Initial commit of uma stuff

.gitignore

@@ -3,3 +3,4 @@
 *.swp
 *.DS_Store
 .sass-cache
+*oauth2.data

admin.py

@@ -0,0 +1,205 @@
+from __future__ import division
+from __future__ import print_function
+
+# -*- coding: utf-8 -*-
+# Copyright 2013 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License")
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+__author__ = ('ericbidelman@chromium.org (Eric Bidelman), '
+              'kassycoan@google.com (Kassy Coan)')
+
+
+import datetime
+import json
+import logging
+import os
+import sys
+import webapp2
+
+# Appengine imports.
+from google.appengine.api import files
+from google.appengine.api import urlfetch
+from google.appengine.ext import blobstore
+from google.appengine.ext.webapp import blobstore_handlers
+
+# File imports.
+import common
+import models
+import settings
+import uma
+
+
+BIGSTORE_BUCKET = '/gs/uma-dashboards/'
+BIGSTORE_RESTFUL_URI = 'https://uma-dashboards.storage.googleapis.com/'
+BIGSTORE_HISTOGRAM_ID = str(0xb7f3cf359f13d209)
+
+# For fetching files from the production BigStore during development.
+OAUTH2_CREDENTIALS_FILENAME = os.path.join(
+    settings.ROOT_DIR, 'scripts', 'oauth2.data')
+
+
+class YesterdayHandler(blobstore_handlers.BlobstoreDownloadHandler):
+  """Loads yesterday's UMA data from BigStore."""
+
+  def _SaveData(self, data, yesterday):
+    # Response format is "bucket-bucket+1=hits".
+    # Example: 10-11=2175995,11-12=56635467,12-13=2432539420
+    values_list = data['kTempHistograms'][BIGSTORE_HISTOGRAM_ID]['b'].split(',')
+
+    #sum_total = int(data['kTempHistograms'][BIGSTORE_HISTOGRAM_ID]['s']) # TODO: use this.
+    
+    # Stores a hit count for each CSS property (properties_dict[bucket] = hits).
+    properties_dict = {}
+
+    for val in values_list:
+      bucket_range, hits_string = val.split('=') # e.g. "10-11=2175995"
+
+      parts = bucket_range.split('-')
+
+      beginning_range = int(parts[0])
+      end_range = int(parts[1])
+
+      # Range > 1 indicates malformed data. Skip it.
+      if end_range - beginning_range > 1:
+        continue
+
+      # beginning_range is our bucket number; the stable CSSPropertyID.
+      properties_dict[beginning_range] = int(hits_string)
+
+    # Bucket 1 is total pages visited. We're guaranteed to have it.
+    # TODO(ericbidelman): If we don't have it, don't set to 1!
+    total_pages = properties_dict.get(1, 1)
+
+    for bucket_id, num_hits in properties_dict.items():
+      # If the id is not in the map, the name will be 'ERROR'.
+      # TODO(ericbidelman): Probably better to leave non-matched bucket ids out.
+      property_name = uma.CSS_PROPERTY_BUCKETS.get(bucket_id, 'ERROR')
+
+      query = models.StableInstance.all()
+      query.filter('bucket_id = ', bucket_id)
+      query.filter('date =', yesterday)
+
+      # Only add this entity if one doesn't already exist with the same
+      # bucket_id and date.
+      if query.count() > 0:
+        continue
+
+      # TODO(ericbidelman): Calculate a rolling average here
+      # This will be done using a GQL query to grab information
+      # for the past 6 days.
+      # We average those past 6 days with the new day's data
+      # and store the result in rolling_percentage
+
+      entity = models.StableInstance(
+          property_name=property_name,
+          bucket_id=bucket_id,
+          date=yesterday,
+          hits=num_hits,
+          total_pages=total_pages,
+          day_percentage=float("%.2f" % (num_hits / total_pages))
+          #rolling_percentage=
+          )
+      entity.put()
+
+  def get(self):
+    """Loads the data file located at |filename|.
+
+    Args:
+      filename: The filename for the data file to be loaded.
+    """
+    yesterday = datetime.date.today() - datetime.timedelta(1)
+    yesterday_formatted = yesterday.strftime("%Y.%m.%d")
+
+    filename = 'histograms/daily/%s/Everything' % (yesterday_formatted)
+
+    if settings.PROD:
+      try:
+        with files.open(BIGSTORE_BUCKET + filename, 'r') as unused_f:
+          pass
+      except files.file.ExistenceError, e:
+        self.response.write(e)
+        return
+
+      # The file exists; serve it.
+      blob_key = blobstore.create_gs_key(BIGSTORE_BUCKET + filename)
+      blob_reader = blobstore.BlobReader(blob_key, buffer_size=3510000)
+      try:
+        result = blob_reader.read()
+      finally:
+        blob_reader.close()
+    else:
+      # From the development server, use the RESTful API to read files from the
+      # production BigStore instance, rather than needing to stage them to the
+      # local BigStore instance.
+      result, response_code = self._FetchFromBigstoreREST(filename)
+
+      if response_code != 200:
+        self.error(response_code)
+        self.response.out.write(
+            ('%s - Error doing BigStore API request. '
+             'Try refreshing your OAuth token?' % response_code))
+        return
+
+    if result:
+      data = json.loads(result)
+      self._SaveData(data, yesterday)
+
+  def _FetchFromBigstoreREST(self, filename):
+    # Read the OAuth2 access token from disk.
+    try:
+      with open(OAUTH2_CREDENTIALS_FILENAME, 'r') as f:
+        credentials_json = json.load(f)
+    except IOError, e:
+      logging.error(e)
+      return [None, 404]
+
+    # Attempt to fetch the file from the production BigStore instance.
+    url = BIGSTORE_RESTFUL_URI + filename
+    headers = {
+        'x-goog-api-version': '2',
+        'Authorization': 'OAuth ' + credentials_json.get('access_token', '')
+        }
+    result = urlfetch.fetch(url, headers=headers)
+    return (result.content, result.status_code)
+      
+
+class FeatureHandler(common.ContentHandler):
+
+  def get(self, path):
+    # feature = models.Feature(
+    #         type=models.Resource.Type.ARTICLE, #TODO: use correct type for content.
+    #         title=doc.title(),
+    #         text=doc.summary(),#.decode('utf-8').decode('ascii','ignore'),
+    #         publication_date=datetime.datetime.today(), #TODO: save real date.
+    #         url=db.Link(result.final_url or url),
+    #         #fetch_date=datetime.date.today(),
+    #         #sharers
+    #         )
+
+    # Remove trailing slash from URL and redirect. e.g. /metrics/ -> /metrics
+    if path[-1] == '/':
+      return self.redirect('/' + path.rstrip('/'))
+
+    template_file = path + '.html'
+    template_data = {
+      'feature_form': models.FeatureForm()
+    }
+
+    self.render(data=template_data, template_path=os.path.join(template_file))
+
+app = webapp2.WSGIApplication([
+  ('/cron/metrics', YesterdayHandler),
+  ('/(.*)', FeatureHandler),
+], debug=settings.DEBUG)
+

app.yaml

@@ -1,5 +1,5 @@
 application: cr-status
-version: 1
+version: v2dash
 runtime: python27
 threadsafe: true
 api_version: 1
@@ -11,10 +11,43 @@ libraries:
   version: "latest"
 - name: django
   version: "latest" #version: "1.3"
+# - name: setuptools
+#   version: latest
 
 env_variables:
   DJANGO_SETTINGS_MODULE: 'settings'
 
+handlers:
+
+# Static handlers ---------------------------------------------------------------
+- url: /favicon\.ico
+  static_files: static/img/chromium-128.png
+  upload: static/img/chromium-128\.png
+
+- url: /static
+  static_dir: static
+
+# Metrics data handlers --------------------------------------------------------
+- url: /data/.*
+  script: metrics.app
+
+# Admin ------------------------------------------------------------------------
+- url: /admin/gae/.*
+  script: google.appengine.ext.admin.application
+  login: admin
+
+- url: /cron/metrics
+  script: admin.app
+  login: admin # Prevents raw access to this handler. Cron runs as admin.
+
+- url: /admin/features/.*
+  script: admin.app
+  login: admin
+
+# Main server ------------------------------------------------------------------
+- url: /.*
+  script: server.app
+
 skip_files:
 - ^(.*/)?app\.yaml
 - ^(.*/)?app\.yml
@@ -30,24 +63,3 @@ skip_files:
 - ^(.*/)?.*\.sql[3]$
 - ^(.*/)?.*\.sh$
 - ^(.*/)?.*\.scss$
-
-handlers:
-- url: /favicon\.ico
-  static_files: static/img/chrome_logo.svg
-  upload: static/img/chrome_logo\.svg
-
-- url: /static
-  static_dir: static
-
-- url: /admin/.*
-  script: google.appengine.ext.admin.application
-  login: admin
-
-- url: /newfeature
-  script: server.app
-  login: admin
-
-- url: /.*
-  script: server.app
-
-

common.py

@@ -0,0 +1,86 @@
+# -*- coding: utf-8 -*-
+# Copyright 2013 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License")
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+__author__ = 'ericbidelman@chromium.org (Eric Bidelman)'
+
+
+import json
+import logging
+import webapp2
+
+import settings
+
+from django.template.loader import render_to_string
+
+
+
+class BaseHandler(webapp2.RequestHandler):
+
+  def __init__(self, request, response):
+    self.initialize(request, response)
+
+    # Add CORS and Chrome Frame to all responses.
+    self.response.headers.add_header('Access-Control-Allow-Origin', '*')
+    self.response.headers.add_header('X-UA-Compatible', 'IE=Edge,chrome=1')
+
+    # Settings can't be global in python 2.7 env.
+    logging.getLogger().setLevel(logging.DEBUG)
+
+
+class JSONHandler(BaseHandler):
+
+  def get(self, data):
+    self.response.headers['Content-Type'] = 'application/json'
+    self.response.write(json.dumps([entity.to_dict() for entity in data]))
+
+
+class ContentHandler(BaseHandler):
+
+  def render(self, data={}, template_path=None, status=None, message=None,
+             relpath=None):
+    if status is not None and status != 200:
+      self.response.set_status(status, message)
+
+    # Add template data to every request.
+    template_data = {
+      #'is_mobile': self.is_awesome_mobile_device(),
+      'prod': settings.PROD,
+      'APP_TITLE': settings.APP_TITLE,
+      'current_path': self.request.path
+    }
+    template_data.update(data) # merge in other data.
+
+    try: 
+      self.response.out.write(render_to_string(template_path, template_data))
+    except Exception:
+      handle_404(self.request, self.response, Exception)
+
+
+def handle_404(request, response, exception):
+  ERROR_404 = (
+    '<title>404 Not Found</title>\n'
+    '<h1>Error: Not Found</h1>\n'
+    '<h2>The requested URL <code>%s</code> was not found on this server.'
+    '</h2>' % request.url)
+  response.write(ERROR_404)
+  response.set_status(404)
+
+def handle_500(request, response, exception):
+  logging.exception(exception)
+  ERROR_500 = (
+    '<title>500 Internal Server Error</title>\n'
+    '<h1>Error: 500 Internal Server Error</h1>')
+  response.write(ERROR_500)
+  response.set_status(500)

cron.yaml

@@ -0,0 +1,4 @@
+cron:
+- description: retrieve from UMA Cloud Storage data gathered yesterday
+  url: /cron/metrics
+  schedule: every day 05:00

index.yaml

@@ -0,0 +1,17 @@
+indexes:
+
+# AUTOGENERATED
+
+# This index.yaml is automatically updated whenever the dev_appserver
+# detects that a new type of query is run.  If you want to manage the
+# index.yaml file manually, remove the above marker line (the line
+# saying "# AUTOGENERATED").  If you want to manage some indexes
+# manually, move them above the marker line.  The index.yaml file is
+# automatically uploaded to the admin console when you next deploy
+# your application using appcfg.py.
+
+- kind: StableInstance
+  properties:
+  - name: date
+  - name: hits
+    direction: desc

metrics.py

@@ -0,0 +1,37 @@
+import webapp2
+
+import common
+import models
+import settings
+
+
+class StableInstances(common.JSONHandler):
+
+  def get(self):
+    data = models.StableInstance.all().order('-date').fetch(limit=None)
+    super(StableInstances, self).get(data)
+
+
+class QueryStackRank(common.JSONHandler):
+
+  def get(self):
+    # Find last date data was fetched by pulling one entry.
+    result = models.StableInstance.all().order('-date').get()
+
+    data = []
+    if result:
+      data_last_added_on = result.date
+
+      query = models.StableInstance.all()
+      query.filter('date =', data_last_added_on)
+      query.order('-hits')
+
+      data = query.fetch(limit=None)
+
+    super(QueryStackRank, self).get(data)
+
+
+app = webapp2.WSGIApplication([
+  ('/data/querystableinstances', StableInstances),
+  ('/data/querystackrank', QueryStackRank)
+], debug=settings.DEBUG)

models.py

@@ -1,3 +1,6 @@
+import datetime
+import time
+
 from google.appengine.api import memcache
 from google.appengine.ext import db
 #from google.appengine.ext.db import djangoforms
@@ -6,14 +9,60 @@ from google.appengine.ext import db
 from django import forms
 
 
+SIMPLE_TYPES = (int, long, float, bool, dict, basestring, list)
+
+
 class DictModel(db.Model):
+  # def to_dict(self):
+  #   return dict([(p, unicode(getattr(self, p))) for p in self.properties()])
+
   def to_dict(self):
-    return dict([(p, getattr(self, p)) for p in self.properties()])
+      output = {}
+
+      for key, prop in self.properties().iteritems():
+          value = getattr(self, key)
+
+          if value is None or isinstance(value, SIMPLE_TYPES):
+              output[key] = value
+          elif isinstance(value, datetime.date):
+              # Convert date/datetime to ms-since-epoch ("new Date()").
+              #ms = time.mktime(value.utctimetuple())
+              #ms += getattr(value, 'microseconds', 0) / 1000
+              #output[key] = int(ms)
+              output[key] = unicode(value)
+          elif isinstance(value, db.GeoPt):
+              output[key] = {'lat': value.lat, 'lon': value.lon}
+          elif isinstance(value, db.Model):
+              output[key] = to_dict(value)
+          else:
+              raise ValueError('cannot encode ' + repr(prop))
+
+      return output
 
 
+# UMA metrics.
+class StableInstance(DictModel):
+  created = db.DateTimeProperty(auto_now_add=True)
+  updated = db.DateTimeProperty(auto_now=True)
+
+  property_name = db.StringProperty(required=True)
+  bucket_id = db.IntegerProperty(required=True)
+  date = db.DateProperty(verbose_name='When the data was fetched',
+                             required=True)
+  hits = db.IntegerProperty(required=True)
+  total_pages = db.IntegerProperty()
+  day_percentage = db.FloatProperty()
+  rolling_percentage = db.FloatProperty()
+
+
+# Feature dashboard.
 class Feature(DictModel):
   """Container for a feature."""
 
+  # Metadata.
+  created = db.DateTimeProperty(auto_now_add=True)
+  updated = db.DateTimeProperty(auto_now=True)
+
   # General info.
   category = db.StringProperty(required=True)
   feature_name = db.StringProperty(required=False)

scripts/client_secrets.json

@@ -0,0 +1,9 @@
+{
+  "installed": {
+    "client_id": "470026626516.apps.googleusercontent.com",
+    "client_secret": "R1uICVrjoYFaOcMI7ISWEZKR",
+    "redirect_uris": ["http://localhost", "urn:ietf:wg:oauth:2.0:oob"],
+    "auth_uri": "https://accounts.google.com/o/oauth2/auth",
+    "token_uri": "https://accounts.google.com/o/oauth2/token"
+  }
+}

scripts/deploy_site.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+#
+# Deploys the app to App Engine.
+# 
+# Note: This script should be used in place of using appcfg.py update directly
+# to update the application on App Engine.
+#
+# Copyright 2013 Eric Bidelman <ericbidelman@chromium.org>
+
+
+# The directory in which this script resides.
+readonly BASEDIR=$(dirname $BASH_SOURCE)
+
+$BASEDIR/oauthtoken.sh deploy
+appcfg.py update $BASEDIR/../

scripts/fetch_oauth_credentials.py

@@ -0,0 +1,139 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+#
+# Copyright 2013 Google Inc. All Rights Reserved.
+
+"""OAuth 2.0 Bootstrapper for App Engine dev server development.
+
+Adapted from:
+https://code.google.com/p/google-cloud-storage-samples/source/browse/gs-oauth.py
+"""
+
+__author__ = ('ericbidelman@chromium.org (Eric Bidelman), '
+              'nherring@google.com (Nathan Herring)')
+
+
+import datetime
+import re
+import os
+import sys
+from pkg_resources import parse_version
+
+
+def downloadUsage(err, downloadUrl=None):
+  """Emit usage statement with download information."""
+  if downloadUrl is None:
+    downloadString = 'Run'
+  else:
+    downloadString = 'Download available at %s or run' % downloadUrl
+  print '%s\n%s%s' % (
+      err,
+      downloadString,
+      ' setup.py on the google-api-python-client:\n' +
+      'https://code.google.com/p/google-api-python-client/downloads')
+  sys.exit(1)
+
+def importUsage(lib, downloadUrl=None):
+  """Emit a failed import error with download information."""
+  downloadUsage('Could not load %s module.' % lib, downloadUrl)
+
+#
+# Import boilerplate to make it easy to diagnose when the right modules
+# are not installed and how to remedy it.
+#
+
+try:
+  from gflags import gflags
+  print gflags.FLAGS
+except:
+  importUsage('gflags', 'https://code.google.com/p/python-gflags/downloads/')
+
+try:
+  import httplib2
+except:
+  importUsage('httplib2', 'https://code.google.com/p/httplib2/downloads/')
+
+OAUTH2CLIENT_REQUIRED_VERSION = '1.0b8'
+try:
+  from oauth2client.file import Storage
+  from oauth2client.client import flow_from_clientsecrets
+  from oauth2client.client import OAuth2WebServerFlow
+  from oauth2client.tools import run
+  import oauth2client
+except:
+  importUsage('oauth2client')
+oauth2client_version = None
+if '__version__' not in oauth2client.__dict__:
+  if '__file__' in oauth2client.__dict__:
+    verMatch = re.search(r'google_api_python_client-([^-]+)',
+                         oauth2client.__dict__['__file__'])
+    if verMatch is not None:
+      oauth2client_version = verMatch.group(1)
+      oauth2client_version = re.sub('beta', 'b', oauth2client_version)
+else:
+  oauth2client_version = oauth2client.__dict__['__version__']
+if oauth2client_version is None:
+  downloadUsage('Could not determine version of oauth2client module.\n' +
+      'Miminum required version is %s.' % OAUTH2CLIENT_REQUIRED_VERSION)
+elif (parse_version(oauth2client_version) <
+      parse_version(OAUTH2CLIENT_REQUIRED_VERSION)):
+  downloadUsage(('oauth2client module version %s is too old.\n' +
+      'Miminum required version is %s.') % (oauth2client_version, 
+      OAUTH2CLIENT_REQUIRED_VERSION))
+
+#
+# End of the import boilerplate
+#
+
+FLAGS = gflags.FLAGS
+
+gflags.DEFINE_multistring(
+  'scope',
+  'https://www.googleapis.com/auth/devstorage.read_only',
+  'API scope to use')
+
+gflags.DEFINE_string(
+  'client_secrets_file',
+  os.path.join(os.path.dirname(__file__), 'client_secrets.json'),
+  'File name for client_secrets.json')
+
+gflags.DEFINE_string(
+  'credentials_file',
+  os.path.join(os.path.dirname(__file__), 'oauth2.data2'),
+  'File name for storing OAuth 2.0 credentials.',
+  short_name='f')
+
+
+def main(argv):
+  try:
+    argv = FLAGS(argv)
+  except gflags.FlagsError, e:
+    print '%s\nUsage: %s ARGS\n%s' % (e, sys.argv[0], FLAGS)
+    sys.exit(1)
+
+  storage = Storage(FLAGS.credentials_file)
+  credentials = storage.get()
+  if credentials is None or credentials.invalid:
+    print 'Acquiring initial credentials...'
+    
+    # Need to acquire token using @google.com account.
+    flow = flow_from_clientsecrets(
+        FLAGS.client_secrets_file,
+        scope=' '.join(FLAGS.scope),
+        redirect_uri='urn:ietf:wg:oauth:2.0:oob',
+        message='Error - client_secrets_file not found')
+
+    credentials = run(flow, storage)
+  elif credentials.access_token_expired:
+    print 'Refreshing access token...'
+    credentials.refresh(httplib2.Http())
+
+  print 'Refresh token:', credentials.refresh_token
+  print 'Access token:', credentials.access_token
+  delta = credentials.token_expiry - datetime.datetime.utcnow()
+  print 'Access token expires: %sZ (%dm %ds)' % (credentials.token_expiry,
+      delta.seconds / 60, delta.seconds % 60)
+
+
+if __name__ == '__main__':
+  main(sys.argv)

scripts/gflags/AUTHORS

@@ -0,0 +1,2 @@
+google-gflags@googlegroups.com
+

scripts/gflags/COPYING

@@ -0,0 +1,28 @@
+Copyright (c) 2006, Google Inc.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+    * Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the following disclaimer
+in the documentation and/or other materials provided with the
+distribution.
+    * Neither the name of Google Inc. nor the names of its
+contributors may be used to endorse or promote products derived from
+this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

scripts/gflags/ChangeLog

@@ -0,0 +1,62 @@
+Wed Jan 18 13:57:39 2012  Google Inc. <google-gflags@googlegroups.com>
+
+	* python-gflags: version 2.0
+	* No changes from version 1.8.
+
+Wed Jan 18 11:54:03 2012  Google Inc. <google-gflags@googlegroups.com>
+
+	* python-gflags: version 1.8
+	* Don't raise DuplicateFlag when re-importing a module (mmcdonald)
+	* Changed the 'official' python-gflags email in setup.py/etc
+	* Changed copyright text to reflect Google's relinquished ownership
+
+Tue Dec 20 17:10:41 2011  Google Inc. <opensource@google.com>
+
+	* python-gflags: version 1.7
+	* Prepare gflags for python 3.x, keeping 2.4 compatibility (twouters)
+	* If output is a tty, use terminal's width to wrap help-text (wiesmann)
+	* PORTING: Fix ImportError for non-Unix platforms (kdeus)
+	* PORTING: Run correctly when termios isn't available (shines)
+	* Add unicode support to flags (csilvers)
+
+Fri Jul 29 12:24:08 2011  Google Inc. <opensource@google.com>
+
+	* python-gflags: version 1.6
+	* Document FlagValues.UseGnuGetOpt (garymm)
+	* replace fchmod with chmod to work on python 2.4 (mshields)
+	* Fix bug in flag decl reporting for dup flags (craigcitro)
+	* Add multi_float, and tests for multi_float/int (simonf)
+	* Make flagfiles expand in place, to follow docs (dmlynch)
+	* Raise exception if --flagfile can't be read (tlim)
+
+Wed Jan 26 13:50:46 2011  Google Inc. <opensource@google.com>
+
+	* python-gflags: version 1.5.1
+	* Fix manifest and setup.py to include new files
+
+Mon Jan 24 16:58:10 2011  Google Inc. <opensource@google.com>
+
+	* python-gflags: version 1.5
+	* Add support for flag validators (olexiy)
+	* Better reporting on UnrecognizedFlagError (sorenj)
+	* Cache ArgumentParser, to save space (tmarek)
+
+Wed Oct 13 17:40:12 2010  Google Inc. <opensource@google.com>
+
+	* python-gflags: version 1.4
+	* Unregister per-command flags after running the command (dnr)
+	* Allow key-flags to work with special flags (salcianu)
+	* Allow printing flags of a specific module (mikecurtis)
+	* BUGFIX: Fix an error message for float flags (olexiy)
+	* BUGFIX: Can now import while defining flags (salcianu)
+	* BUGFIX: Fix flagfile parsing in python (chronos)
+	* DOC: Better explain the format of --helpxml output (salcianu)
+	* DOC: Better error message on parse failure (tstromberg)
+	* Better test coverage under python 2.2 (mshields)
+	* Added a Makefile for building the packages.
+
+Mon Jan  4 18:46:29 2010  Tim 'mithro' Ansell  <mithro@mithis.com>
+
+	* python-gflags: version 1.3
+	* Fork from the C++ package (google-gflags 1.3)
+	* Add debian packaging

scripts/gflags/MANIFEST.in

@@ -0,0 +1,19 @@
+include AUTHORS
+include COPYING
+include ChangeLog
+include MANIFEST.in
+include Makefile
+include NEWS
+include README
+include debian/README
+include debian/changelog
+include debian/compat
+include debian/control
+include debian/copyright
+include debian/docs
+include debian/rules
+include gflags.py
+include gflags2man.py
+include gflags_validators.py
+include setup.py
+recursive-include tests *.py

scripts/gflags/Makefile

@@ -0,0 +1,69 @@
+
+prep:
+	@echo
+	# Install needed packages
+	sudo apt-get install subversion fakeroot python-setuptools python-subversion
+	#
+	@echo
+	# Check that the person has .pypirc
+	@if [ ! -e ~/.pypirc ]; then \
+		echo "Please create a ~/.pypirc with the following contents:"; \
+		echo "[server-login]"; \
+		echo "username:google_opensource"; \
+		echo "password:<see valentine>"; \
+	fi
+	#
+	@echo
+	# FIXME(tansell): Check that the person has .dputrc for PPA
+
+clean:
+	# Clean up any build files.
+	python setup.py clean --all
+	#
+	# Clean up the debian stuff
+	fakeroot ./debian/rules clean
+	#
+	# Clean up everything else
+	rm MANIFEST || true
+	rm -rf build-*
+	#
+	# Clean up the egg files
+	rm -rf *egg*
+	#
+	# Remove dist
+	rm -rf dist
+
+dist:
+	# Generate the tarball based on MANIFEST.in
+	python setup.py sdist
+	#
+	# Build the debian packages
+	fakeroot ./debian/rules binary
+	mv ../python-gflags*.deb ./dist/
+	#
+	# Build the python Egg
+	python setup.py bdist_egg
+	#
+	@echo
+	@echo "Files to upload:"
+	@echo "--------------------------"
+	@ls -l ./dist/
+
+push:
+	# Send the updates to svn
+	# Upload the source package to code.google.com
+	- /home/build/opensource/tools/googlecode_upload.py \
+		-p python-gflags ./dist/*
+	#
+	# Upload the package to PyPi
+	- python setup.py sdist upload
+	- python setup.py bdist_egg upload
+	#
+	# Upload the package to the ppa
+	# FIXME(tansell): dput should run here
+
+check:
+	# Run all the tests.
+	for test in tests/*.py; do PYTHONPATH=. python $$test || exit 1; done
+
+.PHONY: prep dist clean push check

scripts/gflags/NEWS

@@ -0,0 +1,78 @@
+== 18 January 2012 ==
+
+[Prependum:] I just realized I should have named the new version 2.0,
+to reflect the new ownership and status as a community run project.
+Not too late, I guess.  I've just released python-gflags 2.0, which is
+identical to python-gflags 1.8 except for the version number.
+
+I've just released python-gflags 1.8.  This fixes a bug, allowing
+modules defining flags to be re-imported without raising duplicate
+flag errors.
+
+Administrative note: In the coming weeks, I'll be stepping down as
+maintainer for the python-gflags project, and as part of that Google
+is relinquishing ownership of the project; it will now be entirely
+community run.  The remaining
+[http://python-gflags.googlecode.com/svn/tags/python-gflags-1.8/ChangeLog changes]
+in this release reflect that shift.
+
+
+=== 20 December 2011 ===
+
+I've just released python-gflags 1.7.  The major change here is
+improved unicode support, in both flag default values and
+help-strings.  We've also made big steps toward making gflags work
+with python 3.x (while keeping 2.4 compatibility), and improving
+--help output in the common case where output is a tty.
+
+For a full list of changes since last release, see the
+[http://python-gflags.googlecode.com/svn/tags/python-gflags-1.7/ChangeLog ChangeLog].
+
+=== 29 July 2011 ===
+
+I've just released python-gflags 1.6.  This release has only minor
+changes, including support for multi_float flags.  The full list of
+changes is in the
+[http://python-gflags.googlecode.com/svn/tags/python-gflags-1.6/ChangeLog ChangeLog].
+
+The major change with this release is procedural: I've changed the
+internal tools used to integrate Google-supplied patches for gflags
+into the opensource release.  These new tools should result in more
+frequent updates with better change descriptions.  They will also
+result in future `ChangeLog` entries being much more verbose (for
+better or for worse).
+
+=== 26 January 2011 ===
+
+I've just released python-gflags 1.5.1.  I had improperly packaged
+python-gflags 1.5, so it probably doesn't work.  All users who have
+updated to python-gflags 1.5 are encouraged to update again to 1.5.1.
+
+=== 24 January 2011 ===
+
+I've just released python-gflags 1.5.  This release adds support for
+flag verifiers: small functions you can associate with flags, that are
+called whenever the flag value is set or modified, and can verify that
+the new value is legal.  It also has other, minor changes, described
+in the
+[http://python-gflags.googlecode.com/svn/tags/python-gflags-1.5/ChangeLog ChangeLog].
+
+=== 11 October 2010 ===
+
+I've just released python-gflags 1.4.  This release has only minor
+changes from 1.3, including support for printing flags of a specific
+module, allowing key-flags to work with special flags, somewhat better
+error messaging, and
+[http://python-gflags.googlecode.com/svn/tags/python-gflags-1.4/ChangeLog so forth].
+If 1.3 is working well for you, there's no particular reason to upgrade.
+
+=== 4 January 2010 ===
+
+I just released python-gflags 1.3. This is the first python-gflags
+release; it is version 1.3 because this code is forked from the 1.3
+release of google-gflags.
+
+I don't have a tarball or .deb file up quite yet, so for now you will
+have to get the source files by browsing under the 'source'
+tag. Downloadable files will be available soon.
+

scripts/gflags/PKG-INFO

@@ -0,0 +1,10 @@
+Metadata-Version: 1.0
+Name: python-gflags
+Version: 2.0
+Summary: Google Commandline Flags Module
+Home-page: http://code.google.com/p/python-gflags
+Author: Google Inc. and others
+Author-email: google-gflags@googlegroups.com
+License: BSD
+Description: UNKNOWN
+Platform: UNKNOWN

scripts/gflags/README

@@ -0,0 +1,23 @@
+This repository contains a python implementation of the Google commandline
+flags module.
+
+ GFlags defines a *distributed* command line system, replacing systems like
+ getopt(), optparse and manual argument processing. Rather than an application
+ having to define all flags in or near main(), each python module defines flags
+ that are useful to it.  When one python module imports another, it gains
+ access to the other's flags.
+
+ It includes the ability to define flag types (boolean, float, interger, list),
+ autogeneration of help (in both human and machine readable format) and reading
+ arguments from a file. It also includes the ability to automatically generate
+ man pages from the help flags.
+
+Documentation for implementation is at the top of gflags.py file.
+
+To install the python module, run
+   python ./setup.py install
+
+When you install this library, you also get a helper application,
+gflags2man.py, installed into /usr/local/bin.  You can run gflags2man.py to
+create an instant man page, with all the commandline flags and their docs, for
+any C++ or python program you've written using the gflags library.

scripts/gflags/debian/README

@@ -0,0 +1,7 @@
+The list of files here isn't complete.  For a step-by-step guide on
+how to set this package up correctly, check out
+    http://www.debian.org/doc/maint-guide/
+
+Most of the files that are in this directory are boilerplate.
+However, you may need to change the list of binary-arch dependencies
+in 'rules'.

scripts/gflags/debian/changelog

@@ -0,0 +1,54 @@
+python-gflags (2.0-1) unstable; urgency=low
+
+  * New upstream release.
+
+ -- Google Inc. <google-gflags@googlegroups.com>  Wed, 18 Jan 2012 13:57:39 -0800
+
+python-gflags (1.8-1) unstable; urgency=low
+
+  * New upstream release.
+
+ -- Google Inc. <google-gflags@googlegroups.com>  Wed, 18 Jan 2012 11:54:03 -0800
+
+python-gflags (1.7-1) unstable; urgency=low
+
+  * New upstream release.
+
+ -- Google Inc. <opensource@google.com>  Tue, 20 Dec 2011 17:10:41 -0800
+
+python-gflags (1.6-1) unstable; urgency=low
+
+  * New upstream release.
+
+ -- Google Inc. <opensource@google.com>  Fri, 29 Jul 2011 12:24:08 -0700
+
+python-gflags (1.5.1-1) unstable; urgency=low
+
+  * New upstream release (fixes manifest and setup.py files)
+
+ -- Google Inc. <opensource@google.com>  Wed, 26 Jan 2011 13:50:46 -0800
+
+python-gflags (1.5-1) unstable; urgency=low
+
+  * New upstream release.
+
+ -- Google Inc. <opensource@google.com>  Mon, 24 Jan 2011 16:58:10 -0800
+
+python-gflags (1.4-1) unstable; urgency=low
+
+  * New upstream release.
+
+ -- Google Inc. <opensource@google.com>  Wed, 13 Oct 2010 17:40:12 -0700
+
+python-gflags (1.3-2) unstable; urgency=low
+
+  * Fixed man-page generation.
+
+ -- Tim 'mithro' Ansell <mithro@mithis.com>  Mon, 07 Jan 2010 13:46:10 +1100
+
+python-gflags (1.3-1) unstable; urgency=low
+
+  * Initial release.
+  * Packaging based on gflags 1.3
+
+ -- Tim 'mithro' Ansell <mithro@mithis.com>  Mon, 04 Jan 2010 18:46:10 -0800

scripts/gflags/debian/compat

@@ -0,0 +1 @@
+5

scripts/gflags/debian/control

@@ -0,0 +1,26 @@
+Source: python-gflags
+Section: python
+XS-Python-Version: all
+Priority: optional
+Maintainer: Craig Silverstein <google-gflags@googlegroups.com>
+Build-Depends-Indep: python-central (>= 0.5.6), python-setuptools (>= 0.6b3-1), python-all
+Build-Depends: debhelper (>= 5.0.38)
+Standards-Version: 3.7.2
+
+Package: python-gflags
+Architecture: all
+Depends: ${python:Depends}
+XB-Python-Version: ${python:Versions}
+Description: A Python implementation of the Google commandline flags module
+ .
+ GFlags defines a *distributed* command line system, replacing systems like
+ getopt(), optparse and manual argument processing. Rather than an application
+ having to define all flags in or near main(), each Python module defines flags
+ that are useful to it.  When one Python module imports another, it gains
+ access to the other's flags.
+ .
+ It includes the ability to define flag types (boolean, float, interger, list),
+ autogeneration of help (in both human and machine readable format) and reading
+ arguments from a file. It also includes the ability to automatically generate
+ man pages from the help flags.
+

scripts/gflags/debian/copyright

@@ -0,0 +1,41 @@
+This package was debianized by Craig Silverstein <google-gflags@googlegroups.com> on
+Wed, 18 Jan 2012 13:57:39 -0800.
+
+It was downloaded from http://code.google.com/p/python-gflags/downloads/list
+
+Upstream Author: Google Inc. and others <google-gflags@googlegroups.com>
+Copyright: Google Inc. and others <google-gflags@googlegroups.com> 
+
+License:
+
+Copyright (c) 2006, Google Inc.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+    * Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the following disclaimer
+in the documentation and/or other materials provided with the
+distribution.
+    * Neither the name of Google Inc. nor the names of its
+contributors may be used to endorse or promote products derived from
+this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+The Debian packaging is (C) 2011, Tim 'mithro' Ansell <mithro@mithis.com> and
+is licensed under the above.

scripts/gflags/debian/docs

@@ -0,0 +1,2 @@
+AUTHORS
+README

scripts/gflags/debian/rules

@@ -0,0 +1,62 @@
+#!/usr/bin/make -f
+# -*- makefile -*-
+# Sample debian/rules that uses debhelper.
+# GNU copyright 1997 to 1999 by Joey Hess.
+
+# Uncomment this to turn on verbose mode.
+#export DH_VERBOSE=1
+
+PYTHON	:= /usr/bin/python
+#PYVER   := $(shell $(PYTHON) -c 'import sys; print sys.version[:3]')
+PYVERS	= $(shell pyversions -vr)
+
+build: $(PYVERS:%=build-python%)
+	touch $@
+
+build-python%:
+	dh_testdir
+	python$* setup.py build
+	touch $@
+
+clean:
+	dh_testdir
+	dh_testroot
+	rm -f build-python*
+	rm -rf build
+	-find . -name '*.py[co]' | xargs rm -f
+	dh_clean
+
+install: build $(PYVERS:%=install-python%)
+
+install-python%:
+	dh_testdir
+	dh_testroot
+	dh_clean -k
+	dh_installdirs
+	python$* setup.py install --root=$(CURDIR)/debian/python-gflags --prefix=/usr
+	# Scripts should not have a .py on the end of them
+	mv $(CURDIR)/debian/python-gflags/usr/bin/gflags2man.py $(CURDIR)/debian/python-gflags/usr/bin/gflags2man
+	# Generate a man file for gflags2man
+	mkdir -p $(CURDIR)/debian/python-gflags/usr/share/man/man1
+	PYTHONPATH=$(CURDIR)/debian/.. python$* gflags2man.py --dest_dir $(CURDIR)/debian/python-gflags/usr/share/man/man1 $(CURDIR)/debian/python-gflags/usr/bin/gflags2man
+
+# Build architecture-independent files here.
+binary-indep: build install
+	dh_testdir
+	dh_testroot
+	dh_installchangelogs -k ChangeLog
+	dh_installdocs
+	dh_pycentral
+	dh_compress -X.py
+	dh_fixperms
+	dh_installdeb
+	dh_gencontrol
+	dh_md5sums
+	dh_builddeb
+
+# Build architecture-dependent files here.
+binary-arch: build install
+# We have nothing to do by default.
+
+binary: binary-indep binary-arch
+.PHONY: build clean binary-indep binary-arch binary install configure

scripts/gflags/gflags2man.py

@@ -0,0 +1,544 @@
+#!/usr/bin/env python
+
+# Copyright (c) 2006, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+"""gflags2man runs a Google flags base program and generates a man page.
+
+Run the program, parse the output, and then format that into a man
+page.
+
+Usage:
+  gflags2man <program> [program] ...
+"""
+
+# TODO(csilvers): work with windows paths (\) as well as unix (/)
+
+# This may seem a bit of an end run, but it:  doesn't bloat flags, can
+# support python/java/C++, supports older executables, and can be
+# extended to other document formats.
+# Inspired by help2man.
+
+
+
+import os
+import re
+import sys
+import stat
+import time
+
+import gflags
+
+_VERSION = '0.1'
+
+
+def _GetDefaultDestDir():
+  home = os.environ.get('HOME', '')
+  homeman = os.path.join(home, 'man', 'man1')
+  if home and os.path.exists(homeman):
+    return homeman
+  else:
+    return os.environ.get('TMPDIR', '/tmp')
+
+FLAGS = gflags.FLAGS
+gflags.DEFINE_string('dest_dir', _GetDefaultDestDir(),
+                    'Directory to write resulting manpage to.'
+                    ' Specify \'-\' for stdout')
+gflags.DEFINE_string('help_flag', '--help',
+                    'Option to pass to target program in to get help')
+gflags.DEFINE_integer('v', 0, 'verbosity level to use for output')
+
+
+_MIN_VALID_USAGE_MSG = 9         # if fewer lines than this, help is suspect
+
+
+class Logging:
+  """A super-simple logging class"""
+  def error(self, msg): print >>sys.stderr, "ERROR: ", msg
+  def warn(self, msg): print >>sys.stderr, "WARNING: ", msg
+  def info(self, msg): print msg
+  def debug(self, msg): self.vlog(1, msg)
+  def vlog(self, level, msg):
+    if FLAGS.v >= level: print msg
+logging = Logging()
+class App:
+  def usage(self, shorthelp=0):
+    print >>sys.stderr, __doc__
+    print >>sys.stderr, "flags:"
+    print >>sys.stderr, str(FLAGS)
+  def run(self):
+    main(sys.argv)
+app = App()
+
+
+def GetRealPath(filename):
+  """Given an executable filename, find in the PATH or find absolute path.
+  Args:
+    filename  An executable filename (string)
+  Returns:
+    Absolute version of filename.
+    None if filename could not be found locally, absolutely, or in PATH
+  """
+  if os.path.isabs(filename):                # already absolute
+    return filename
+
+  if filename.startswith('./') or  filename.startswith('../'): # relative
+    return os.path.abspath(filename)
+
+  path = os.getenv('PATH', '')
+  for directory in path.split(':'):
+    tryname = os.path.join(directory, filename)
+    if os.path.exists(tryname):
+      if not os.path.isabs(directory):  # relative directory
+        return os.path.abspath(tryname)
+      return tryname
+  if os.path.exists(filename):
+    return os.path.abspath(filename)
+  return None                         # could not determine
+
+class Flag(object):
+  """The information about a single flag."""
+
+  def __init__(self, flag_desc, help):
+    """Create the flag object.
+    Args:
+      flag_desc  The command line forms this could take. (string)
+      help       The help text (string)
+    """
+    self.desc = flag_desc               # the command line forms
+    self.help = help                    # the help text
+    self.default = ''                   # default value
+    self.tips = ''                      # parsing/syntax tips
+
+
+class ProgramInfo(object):
+  """All the information gleaned from running a program with --help."""
+
+  # Match a module block start, for python scripts --help
+  # "goopy.logging:"
+  module_py_re = re.compile(r'(\S.+):$')
+  # match the start of a flag listing
+  # " -v,--verbosity:  Logging verbosity"
+  flag_py_re         = re.compile(r'\s+(-\S+):\s+(.*)$')
+  # "   (default: '0')"
+  flag_default_py_re = re.compile(r'\s+\(default:\s+\'(.*)\'\)$')
+  # "   (an integer)"
+  flag_tips_py_re    = re.compile(r'\s+\((.*)\)$')
+
+  # Match a module block start, for c++ programs --help
+  # "google/base/commandlineflags":
+  module_c_re = re.compile(r'\s+Flags from (\S.+):$')
+  # match the start of a flag listing
+  # " -v,--verbosity:  Logging verbosity"
+  flag_c_re         = re.compile(r'\s+(-\S+)\s+(.*)$')
+
+  # Match a module block start, for java programs --help
+  # "com.google.common.flags"
+  module_java_re = re.compile(r'\s+Flags for (\S.+):$')
+  # match the start of a flag listing
+  # " -v,--verbosity:  Logging verbosity"
+  flag_java_re         = re.compile(r'\s+(-\S+)\s+(.*)$')
+
+  def __init__(self, executable):
+    """Create object with executable.
+    Args:
+      executable  Program to execute (string)
+    """
+    self.long_name = executable
+    self.name = os.path.basename(executable)  # name
+    # Get name without extension (PAR files)
+    (self.short_name, self.ext) = os.path.splitext(self.name)
+    self.executable = GetRealPath(executable)  # name of the program
+    self.output = []          # output from the program.  List of lines.
+    self.desc = []            # top level description.  List of lines
+    self.modules = {}         # { section_name(string), [ flags ] }
+    self.module_list = []     # list of module names in their original order
+    self.date = time.localtime(time.time())   # default date info
+
+  def Run(self):
+    """Run it and collect output.
+
+    Returns:
+      1 (true)   If everything went well.
+      0 (false)  If there were problems.
+    """
+    if not self.executable:
+      logging.error('Could not locate "%s"' % self.long_name)
+      return 0
+
+    finfo = os.stat(self.executable)
+    self.date = time.localtime(finfo[stat.ST_MTIME])
+
+    logging.info('Running: %s %s </dev/null 2>&1'
+                 % (self.executable, FLAGS.help_flag))
+    # --help output is often routed to stderr, so we combine with stdout.
+    # Re-direct stdin to /dev/null to encourage programs that
+    # don't understand --help to exit.
+    (child_stdin, child_stdout_and_stderr) = os.popen4(
+      [self.executable, FLAGS.help_flag])
+    child_stdin.close()       # '</dev/null'
+    self.output = child_stdout_and_stderr.readlines()
+    child_stdout_and_stderr.close()
+    if len(self.output) < _MIN_VALID_USAGE_MSG:
+      logging.error('Error: "%s %s" returned only %d lines: %s'
+                    % (self.name, FLAGS.help_flag,
+                       len(self.output), self.output))
+      return 0
+    return 1
+
+  def Parse(self):
+    """Parse program output."""
+    (start_line, lang) = self.ParseDesc()
+    if start_line < 0:
+      return
+    if 'python' == lang:
+      self.ParsePythonFlags(start_line)
+    elif 'c' == lang:
+      self.ParseCFlags(start_line)
+    elif 'java' == lang:
+      self.ParseJavaFlags(start_line)
+
+  def ParseDesc(self, start_line=0):
+    """Parse the initial description.
+
+    This could be Python or C++.
+
+    Returns:
+      (start_line, lang_type)
+        start_line  Line to start parsing flags on (int)
+        lang_type   Either 'python' or 'c'
+       (-1, '')  if the flags start could not be found
+    """
+    exec_mod_start = self.executable + ':'
+
+    after_blank = 0
+    start_line = 0             # ignore the passed-in arg for now (?)
+    for start_line in range(start_line, len(self.output)): # collect top description
+      line = self.output[start_line].rstrip()
+      # Python flags start with 'flags:\n'
+      if ('flags:' == line
+          and len(self.output) > start_line+1
+          and '' == self.output[start_line+1].rstrip()):
+        start_line += 2
+        logging.debug('Flags start (python): %s' % line)
+        return (start_line, 'python')
+      # SWIG flags just have the module name followed by colon.
+      if exec_mod_start == line:
+        logging.debug('Flags start (swig): %s' % line)
+        return (start_line, 'python')
+      # C++ flags begin after a blank line and with a constant string
+      if after_blank and line.startswith('  Flags from '):
+        logging.debug('Flags start (c): %s' % line)
+        return (start_line, 'c')
+      # java flags begin with a constant string
+      if line == 'where flags are':
+        logging.debug('Flags start (java): %s' % line)
+        start_line += 2                        # skip "Standard flags:"
+        return (start_line, 'java')
+
+      logging.debug('Desc: %s' % line)
+      self.desc.append(line)
+      after_blank = (line == '')
+    else:
+      logging.warn('Never found the start of the flags section for "%s"!'
+                   % self.long_name)
+      return (-1, '')
+
+  def ParsePythonFlags(self, start_line=0):
+    """Parse python/swig style flags."""
+    modname = None                      # name of current module
+    modlist = []
+    flag = None
+    for line_num in range(start_line, len(self.output)): # collect flags
+      line = self.output[line_num].rstrip()
+      if not line:                      # blank
+        continue
+
+      mobj = self.module_py_re.match(line)
+      if mobj:                          # start of a new module
+        modname = mobj.group(1)
+        logging.debug('Module: %s' % line)
+        if flag:
+          modlist.append(flag)
+        self.module_list.append(modname)
+        self.modules.setdefault(modname, [])
+        modlist = self.modules[modname]
+        flag = None
+        continue
+
+      mobj = self.flag_py_re.match(line)
+      if mobj:                          # start of a new flag
+        if flag:
+          modlist.append(flag)
+        logging.debug('Flag: %s' % line)
+        flag = Flag(mobj.group(1),  mobj.group(2))
+        continue
+
+      if not flag:                    # continuation of a flag
+        logging.error('Flag info, but no current flag "%s"' % line)
+      mobj = self.flag_default_py_re.match(line)
+      if mobj:                          # (default: '...')
+        flag.default = mobj.group(1)
+        logging.debug('Fdef: %s' % line)
+        continue
+      mobj = self.flag_tips_py_re.match(line)
+      if mobj:                          # (tips)
+        flag.tips = mobj.group(1)
+        logging.debug('Ftip: %s' % line)
+        continue
+      if flag and flag.help:
+        flag.help += line              # multiflags tack on an extra line
+      else:
+        logging.info('Extra: %s' % line)
+    if flag:
+      modlist.append(flag)
+
+  def ParseCFlags(self, start_line=0):
+    """Parse C style flags."""
+    modname = None                      # name of current module
+    modlist = []
+    flag = None
+    for line_num in range(start_line, len(self.output)):  # collect flags
+      line = self.output[line_num].rstrip()
+      if not line:                      # blank lines terminate flags
+        if flag:                        # save last flag
+          modlist.append(flag)
+          flag = None
+        continue
+
+      mobj = self.module_c_re.match(line)
+      if mobj:                          # start of a new module
+        modname = mobj.group(1)
+        logging.debug('Module: %s' % line)
+        if flag:
+          modlist.append(flag)
+        self.module_list.append(modname)
+        self.modules.setdefault(modname, [])
+        modlist = self.modules[modname]
+        flag = None
+        continue
+
+      mobj = self.flag_c_re.match(line)
+      if mobj:                          # start of a new flag
+        if flag:                        # save last flag
+          modlist.append(flag)
+        logging.debug('Flag: %s' % line)
+        flag = Flag(mobj.group(1),  mobj.group(2))
+        continue
+
+      # append to flag help.  type and default are part of the main text
+      if flag:
+        flag.help += ' ' + line.strip()
+      else:
+        logging.info('Extra: %s' % line)
+    if flag:
+      modlist.append(flag)
+
+  def ParseJavaFlags(self, start_line=0):
+    """Parse Java style flags (com.google.common.flags)."""
+    # The java flags prints starts with a "Standard flags" "module"
+    # that doesn't follow the standard module syntax.
+    modname = 'Standard flags'          # name of current module
+    self.module_list.append(modname)
+    self.modules.setdefault(modname, [])
+    modlist = self.modules[modname]
+    flag = None
+
+    for line_num in range(start_line, len(self.output)): # collect flags
+      line = self.output[line_num].rstrip()
+      logging.vlog(2, 'Line: "%s"' % line)
+      if not line:                      # blank lines terminate module
+        if flag:                        # save last flag
+          modlist.append(flag)
+          flag = None
+        continue
+
+      mobj = self.module_java_re.match(line)
+      if mobj:                          # start of a new module
+        modname = mobj.group(1)
+        logging.debug('Module: %s' % line)
+        if flag:
+          modlist.append(flag)
+        self.module_list.append(modname)
+        self.modules.setdefault(modname, [])
+        modlist = self.modules[modname]
+        flag = None
+        continue
+
+      mobj = self.flag_java_re.match(line)
+      if mobj:                          # start of a new flag
+        if flag:                        # save last flag
+          modlist.append(flag)
+        logging.debug('Flag: %s' % line)
+        flag = Flag(mobj.group(1),  mobj.group(2))
+        continue
+
+      # append to flag help.  type and default are part of the main text
+      if flag:
+        flag.help += ' ' + line.strip()
+      else:
+        logging.info('Extra: %s' % line)
+    if flag:
+      modlist.append(flag)
+
+  def Filter(self):
+    """Filter parsed data to create derived fields."""
+    if not self.desc:
+      self.short_desc = ''
+      return
+
+    for i in range(len(self.desc)):   # replace full path with name
+      if self.desc[i].find(self.executable) >= 0:
+        self.desc[i] = self.desc[i].replace(self.executable, self.name)
+
+    self.short_desc = self.desc[0]
+    word_list = self.short_desc.split(' ')
+    all_names = [ self.name, self.short_name, ]
+    # Since the short_desc is always listed right after the name,
+    #  trim it from the short_desc
+    while word_list and (word_list[0] in all_names
+                         or word_list[0].lower() in all_names):
+      del word_list[0]
+      self.short_desc = ''              # signal need to reconstruct
+    if not self.short_desc and word_list:
+      self.short_desc = ' '.join(word_list)
+
+
+class GenerateDoc(object):
+  """Base class to output flags information."""
+
+  def __init__(self, proginfo, directory='.'):
+    """Create base object.
+    Args:
+      proginfo   A ProgramInfo object
+      directory  Directory to write output into
+    """
+    self.info = proginfo
+    self.dirname = directory
+
+  def Output(self):
+    """Output all sections of the page."""
+    self.Open()
+    self.Header()
+    self.Body()
+    self.Footer()
+
+  def Open(self): raise NotImplementedError    # define in subclass
+  def Header(self): raise NotImplementedError  # define in subclass
+  def Body(self): raise NotImplementedError    # define in subclass
+  def Footer(self): raise NotImplementedError  # define in subclass
+
+
+class GenerateMan(GenerateDoc):
+  """Output a man page."""
+
+  def __init__(self, proginfo, directory='.'):
+    """Create base object.
+    Args:
+      proginfo   A ProgramInfo object
+      directory  Directory to write output into
+    """
+    GenerateDoc.__init__(self, proginfo, directory)
+
+  def Open(self):
+    if self.dirname == '-':
+      logging.info('Writing to stdout')
+      self.fp = sys.stdout
+    else:
+      self.file_path = '%s.1' % os.path.join(self.dirname, self.info.name)
+      logging.info('Writing: %s' % self.file_path)
+      self.fp = open(self.file_path, 'w')
+
+  def Header(self):
+    self.fp.write(
+      '.\\" DO NOT MODIFY THIS FILE!  It was generated by gflags2man %s\n'
+      % _VERSION)
+    self.fp.write(
+      '.TH %s "1" "%s" "%s" "User Commands"\n'
+      % (self.info.name, time.strftime('%x', self.info.date), self.info.name))
+    self.fp.write(
+      '.SH NAME\n%s \\- %s\n' % (self.info.name, self.info.short_desc))
+    self.fp.write(
+      '.SH SYNOPSIS\n.B %s\n[\\fIFLAGS\\fR]...\n' % self.info.name)
+
+  def Body(self):
+    self.fp.write(
+      '.SH DESCRIPTION\n.\\" Add any additional description here\n.PP\n')
+    for ln in self.info.desc:
+      self.fp.write('%s\n' % ln)
+    self.fp.write(
+      '.SH OPTIONS\n')
+    # This shows flags in the original order
+    for modname in self.info.module_list:
+      if modname.find(self.info.executable) >= 0:
+        mod = modname.replace(self.info.executable, self.info.name)
+      else:
+        mod = modname
+      self.fp.write('\n.P\n.I %s\n' % mod)
+      for flag in self.info.modules[modname]:
+        help_string = flag.help
+        if flag.default or flag.tips:
+          help_string += '\n.br\n'
+        if flag.default:
+          help_string += '  (default: \'%s\')' % flag.default
+        if flag.tips:
+          help_string += '  (%s)' % flag.tips
+        self.fp.write(
+          '.TP\n%s\n%s\n' % (flag.desc, help_string))
+
+  def Footer(self):
+    self.fp.write(
+      '.SH COPYRIGHT\nCopyright \(co %s Google.\n'
+      % time.strftime('%Y', self.info.date))
+    self.fp.write('Gflags2man created this page from "%s %s" output.\n'
+                  % (self.info.name, FLAGS.help_flag))
+    self.fp.write('\nGflags2man was written by Dan Christian. '
+                  ' Note that the date on this'
+                  ' page is the modification date of %s.\n' % self.info.name)
+
+
+def main(argv):
+  argv = FLAGS(argv)           # handles help as well
+  if len(argv) <= 1:
+    app.usage(shorthelp=1)
+    return 1
+
+  for arg in argv[1:]:
+    prog = ProgramInfo(arg)
+    if not prog.Run():
+      continue
+    prog.Parse()
+    prog.Filter()
+    doc = GenerateMan(prog, FLAGS.dest_dir)
+    doc.Output()
+  return 0
+
+if __name__ == '__main__':
+  app.run()

scripts/gflags/gflags_validators.py

@@ -0,0 +1,187 @@
+#!/usr/bin/env python
+
+# Copyright (c) 2010, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+"""Module to enforce different constraints on flags.
+
+A validator represents an invariant, enforced over a one or more flags.
+See 'FLAGS VALIDATORS' in gflags.py's docstring for a usage manual.
+"""
+
+__author__ = 'olexiy@google.com (Olexiy Oryeshko)'
+
+
+class Error(Exception):
+  """Thrown If validator constraint is not satisfied."""
+
+
+class Validator(object):
+  """Base class for flags validators.
+
+  Users should NOT overload these classes, and use gflags.Register...
+  methods instead.
+  """
+
+  # Used to assign each validator an unique insertion_index
+  validators_count = 0
+
+  def __init__(self, checker, message):
+    """Constructor to create all validators.
+
+    Args:
+      checker: function to verify the constraint.
+        Input of this method varies, see SimpleValidator and
+          DictionaryValidator for a detailed description.
+      message: string, error message to be shown to the user
+    """
+    self.checker = checker
+    self.message = message
+    Validator.validators_count += 1
+    # Used to assert validators in the order they were registered (CL/18694236)
+    self.insertion_index = Validator.validators_count
+
+  def Verify(self, flag_values):
+    """Verify that constraint is satisfied.
+
+    flags library calls this method to verify Validator's constraint.
+    Args:
+      flag_values: gflags.FlagValues, containing all flags
+    Raises:
+      Error: if constraint is not satisfied.
+    """
+    param = self._GetInputToCheckerFunction(flag_values)
+    if not self.checker(param):
+      raise Error(self.message)
+
+  def GetFlagsNames(self):
+    """Return the names of the flags checked by this validator.
+
+    Returns:
+      [string], names of the flags
+    """
+    raise NotImplementedError('This method should be overloaded')
+
+  def PrintFlagsWithValues(self, flag_values):
+    raise NotImplementedError('This method should be overloaded')
+
+  def _GetInputToCheckerFunction(self, flag_values):
+    """Given flag values, construct the input to be given to checker.
+
+    Args:
+      flag_values: gflags.FlagValues, containing all flags.
+    Returns:
+      Return type depends on the specific validator.
+    """
+    raise NotImplementedError('This method should be overloaded')
+
+
+class SimpleValidator(Validator):
+  """Validator behind RegisterValidator() method.
+
+  Validates that a single flag passes its checker function. The checker function
+  takes the flag value and returns True (if value looks fine) or, if flag value
+  is not valid, either returns False or raises an Exception."""
+  def __init__(self, flag_name, checker, message):
+    """Constructor.
+
+    Args:
+      flag_name: string, name of the flag.
+      checker: function to verify the validator.
+        input  - value of the corresponding flag (string, boolean, etc).
+        output - Boolean. Must return True if validator constraint is satisfied.
+          If constraint is not satisfied, it should either return False or
+          raise Error.
+      message: string, error message to be shown to the user if validator's
+        condition is not satisfied
+    """
+    super(SimpleValidator, self).__init__(checker, message)
+    self.flag_name = flag_name
+
+  def GetFlagsNames(self):
+    return [self.flag_name]
+
+  def PrintFlagsWithValues(self, flag_values):
+    return 'flag --%s=%s' % (self.flag_name, flag_values[self.flag_name].value)
+
+  def _GetInputToCheckerFunction(self, flag_values):
+    """Given flag values, construct the input to be given to checker.
+
+    Args:
+      flag_values: gflags.FlagValues
+    Returns:
+      value of the corresponding flag.
+    """
+    return flag_values[self.flag_name].value
+
+
+class DictionaryValidator(Validator):
+  """Validator behind RegisterDictionaryValidator method.
+
+  Validates that flag values pass their common checker function. The checker
+  function takes flag values and returns True (if values look fine) or,
+  if values are not valid, either returns False or raises an Exception.
+  """
+  def __init__(self, flag_names, checker, message):
+    """Constructor.
+
+    Args:
+      flag_names: [string], containing names of the flags used by checker.
+      checker: function to verify the validator.
+        input  - dictionary, with keys() being flag_names, and value for each
+          key being the value of the corresponding flag (string, boolean, etc).
+        output - Boolean. Must return True if validator constraint is satisfied.
+          If constraint is not satisfied, it should either return False or
+          raise Error.
+      message: string, error message to be shown to the user if validator's
+        condition is not satisfied
+    """
+    super(DictionaryValidator, self).__init__(checker, message)
+    self.flag_names = flag_names
+
+  def _GetInputToCheckerFunction(self, flag_values):
+    """Given flag values, construct the input to be given to checker.
+
+    Args:
+      flag_values: gflags.FlagValues
+    Returns:
+      dictionary, with keys() being self.lag_names, and value for each key
+        being the value of the corresponding flag (string, boolean, etc).
+    """
+    return dict([key, flag_values[key].value] for key in self.flag_names)
+
+  def PrintFlagsWithValues(self, flag_values):
+    prefix = 'flags '
+    flags_with_values = []
+    for key in self.flag_names:
+      flags_with_values.append('%s=%s' % (key, flag_values[key].value))
+    return prefix + ', '.join(flags_with_values)
+
+  def GetFlagsNames(self):
+    return self.flag_names

scripts/gflags/python_gflags.egg-info/PKG-INFO

@@ -0,0 +1,10 @@
+Metadata-Version: 1.0
+Name: python-gflags
+Version: 2.0
+Summary: Google Commandline Flags Module
+Home-page: http://code.google.com/p/python-gflags
+Author: Google Inc. and others
+Author-email: google-gflags@googlegroups.com
+License: BSD
+Description: UNKNOWN
+Platform: UNKNOWN

scripts/gflags/python_gflags.egg-info/SOURCES.txt

@@ -0,0 +1,30 @@
+AUTHORS
+COPYING
+ChangeLog
+MANIFEST.in
+Makefile
+NEWS
+README
+gflags.py
+gflags2man.py
+gflags_validators.py
+setup.py
+debian/README
+debian/changelog
+debian/compat
+debian/control
+debian/copyright
+debian/docs
+debian/rules
+python_gflags.egg-info/PKG-INFO
+python_gflags.egg-info/SOURCES.txt
+python_gflags.egg-info/dependency_links.txt
+python_gflags.egg-info/top_level.txt
+tests/gflags_googletest.py
+tests/gflags_helpxml_test.py
+tests/gflags_unittest.py
+tests/gflags_validators_test.py
+tests/flags_modules_for_testing/__init__.py
+tests/flags_modules_for_testing/module_bar.py
+tests/flags_modules_for_testing/module_baz.py
+tests/flags_modules_for_testing/module_foo.py

scripts/gflags/python_gflags.egg-info/dependency_links.txt

@@ -0,0 +1 @@
+

scripts/gflags/python_gflags.egg-info/top_level.txt

@@ -0,0 +1,2 @@
+gflags
+gflags_validators

scripts/gflags/setup.cfg

@@ -0,0 +1,5 @@
+[egg_info]
+tag_build = 
+tag_date = 0
+tag_svn_revision = 0
+

scripts/gflags/setup.py

@@ -0,0 +1,44 @@
+#!/usr/bin/env python
+
+# Copyright (c) 2007, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+from setuptools import setup
+
+setup(name='python-gflags',
+      version='2.0',
+      description='Google Commandline Flags Module',
+      license='BSD',
+      author='Google Inc. and others',
+      author_email='google-gflags@googlegroups.com',
+      url='http://code.google.com/p/python-gflags',
+      py_modules=["gflags", "gflags_validators"],
+      data_files=[("bin", ["gflags2man.py"])],
+      include_package_data=True,
+      )

scripts/gflags/tests/flags_modules_for_testing/module_bar.py

@@ -0,0 +1,135 @@
+#!/usr/bin/env python
+
+# Copyright (c) 2009, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+"""Auxiliary module for testing gflags.py.
+
+The purpose of this module is to define a few flags.  We want to make
+sure the unit tests for gflags.py involve more than one module.
+"""
+
+__author__ = 'salcianu@google.com (Alex Salcianu)'
+
+__pychecker__ = 'no-local'  # for unittest
+
+import gflags
+
+FLAGS = gflags.FLAGS
+
+
+def DefineFlags(flag_values=FLAGS):
+  """Defines some flags.
+
+  Args:
+    flag_values: The FlagValues object we want to register the flags
+      with.
+  """
+  # The 'tmod_bar_' prefix (short for 'test_module_bar') ensures there
+  # is no name clash with the existing flags.
+  gflags.DEFINE_boolean('tmod_bar_x', True, 'Boolean flag.',
+                       flag_values=flag_values)
+  gflags.DEFINE_string('tmod_bar_y', 'default', 'String flag.',
+                      flag_values=flag_values)
+  gflags.DEFINE_boolean('tmod_bar_z', False,
+                       'Another boolean flag from module bar.',
+                       flag_values=flag_values)
+  gflags.DEFINE_integer('tmod_bar_t', 4, 'Sample int flag.',
+                       flag_values=flag_values)
+  gflags.DEFINE_integer('tmod_bar_u', 5, 'Sample int flag.',
+                       flag_values=flag_values)
+  gflags.DEFINE_integer('tmod_bar_v', 6, 'Sample int flag.',
+                       flag_values=flag_values)
+
+
+def RemoveOneFlag(flag_name, flag_values=FLAGS):
+  """Removes the definition of one flag from gflags.FLAGS.
+
+  Note: if the flag is not defined in gflags.FLAGS, this function does
+  not do anything (in particular, it does not raise any exception).
+
+  Motivation: We use this function for cleanup *after* a test: if
+  there was a failure during a test and not all flags were declared,
+  we do not want the cleanup code to crash.
+
+  Args:
+    flag_name: A string, the name of the flag to delete.
+    flag_values: The FlagValues object we remove the flag from.
+  """
+  if flag_name in flag_values.FlagDict():
+    flag_values.__delattr__(flag_name)
+
+
+def NamesOfDefinedFlags():
+  """Returns: List of names of the flags declared in this module."""
+  return ['tmod_bar_x',
+          'tmod_bar_y',
+          'tmod_bar_z',
+          'tmod_bar_t',
+          'tmod_bar_u',
+          'tmod_bar_v']
+
+
+def RemoveFlags(flag_values=FLAGS):
+  """Deletes the flag definitions done by the above DefineFlags().
+
+  Args:
+    flag_values: The FlagValues object we remove the flags from.
+  """
+  for flag_name in NamesOfDefinedFlags():
+    RemoveOneFlag(flag_name, flag_values=flag_values)
+
+
+def GetModuleName():
+  """Uses gflags._GetCallingModule() to return the name of this module.
+
+  For checking that _GetCallingModule works as expected.
+
+  Returns:
+    A string, the name of this module.
+  """
+  # Calling the protected _GetCallingModule generates a lint warning,
+  # but we do not have any other alternative to test that function.
+  return gflags._GetCallingModule()
+
+
+def ExecuteCode(code, global_dict):
+  """Executes some code in a given global environment.
+
+  For testing of _GetCallingModule.
+
+  Args:
+    code: A string, the code to be executed.
+    global_dict: A dictionary, the global environment that code should
+      be executed in.
+  """
+  # Indeed, using exec generates a lint warning.  But some user code
+  # actually uses exec, and we have to test for it ...
+  exec code in global_dict

scripts/gflags/tests/flags_modules_for_testing/module_baz.py

@@ -0,0 +1,45 @@
+#!/usr/bin/env python
+
+# Copyright (c) 2009, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+"""Auxiliary module for testing gflags.py.
+
+The purpose of this module is to test the behavior of flags that are defined
+before main() executes.
+"""
+
+
+
+
+import gflags
+
+FLAGS = gflags.FLAGS
+
+gflags.DEFINE_boolean('tmod_baz_x', True, 'Boolean flag.')

scripts/gflags/tests/flags_modules_for_testing/module_foo.py

@@ -0,0 +1,141 @@
+#!/usr/bin/env python
+#
+# Copyright (c) 2009, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+"""Auxiliary module for testing gflags.py.
+
+The purpose of this module is to define a few flags, and declare some
+other flags as being important.  We want to make sure the unit tests
+for gflags.py involve more than one module.
+"""
+
+__author__ = 'salcianu@google.com (Alex Salcianu)'
+
+__pychecker__ = 'no-local'  # for unittest
+
+import gflags
+from flags_modules_for_testing import module_bar
+
+FLAGS = gflags.FLAGS
+
+
+DECLARED_KEY_FLAGS = ['tmod_bar_x', 'tmod_bar_z', 'tmod_bar_t',
+                      # Special (not user-defined) flag:
+                      'flagfile']
+
+
+def DefineFlags(flag_values=FLAGS):
+  """Defines a few flags."""
+  module_bar.DefineFlags(flag_values=flag_values)
+  # The 'tmod_foo_' prefix (short for 'test_module_foo') ensures that we
+  # have no name clash with existing flags.
+  gflags.DEFINE_boolean('tmod_foo_bool', True, 'Boolean flag from module foo.',
+                       flag_values=flag_values)
+  gflags.DEFINE_string('tmod_foo_str', 'default', 'String flag.',
+                      flag_values=flag_values)
+  gflags.DEFINE_integer('tmod_foo_int', 3, 'Sample int flag.',
+                       flag_values=flag_values)
+
+
+def DeclareKeyFlags(flag_values=FLAGS):
+  """Declares a few key flags."""
+  for flag_name in DECLARED_KEY_FLAGS:
+    gflags.DECLARE_key_flag(flag_name, flag_values=flag_values)
+
+
+def DeclareExtraKeyFlags(flag_values=FLAGS):
+  """Declares some extra key flags."""
+  gflags.ADOPT_module_key_flags(module_bar, flag_values=flag_values)
+
+
+def NamesOfDefinedFlags():
+  """Returns: list of names of flags defined by this module."""
+  return ['tmod_foo_bool', 'tmod_foo_str', 'tmod_foo_int']
+
+
+def NamesOfDeclaredKeyFlags():
+  """Returns: list of names of key flags for this module."""
+  return NamesOfDefinedFlags() + DECLARED_KEY_FLAGS
+
+
+def NamesOfDeclaredExtraKeyFlags():
+  """Returns the list of names of additional key flags for this module.
+
+  These are the flags that became key for this module only as a result
+  of a call to DeclareExtraKeyFlags() above.  I.e., the flags declared
+  by module_bar, that were not already declared as key for this
+  module.
+
+  Returns:
+    The list of names of additional key flags for this module.
+  """
+  names_of_extra_key_flags = list(module_bar.NamesOfDefinedFlags())
+  for flag_name in NamesOfDeclaredKeyFlags():
+    while flag_name in names_of_extra_key_flags:
+      names_of_extra_key_flags.remove(flag_name)
+  return names_of_extra_key_flags
+
+
+def RemoveFlags(flag_values=FLAGS):
+  """Deletes the flag definitions done by the above DefineFlags()."""
+  for flag_name in NamesOfDefinedFlags():
+    module_bar.RemoveOneFlag(flag_name, flag_values=flag_values)
+  module_bar.RemoveFlags(flag_values=flag_values)
+
+
+def GetModuleName():
+  """Uses gflags._GetCallingModule() to return the name of this module.
+
+  For checking that _GetCallingModule works as expected.
+
+  Returns:
+    A string, the name of this module.
+  """
+  # Calling the protected _GetCallingModule generates a lint warning,
+  # but we do not have any other alternative to test that function.
+  return gflags._GetCallingModule()
+
+
+def DuplicateFlags(flagnames=None):
+  """Returns a new FlagValues object with the requested flagnames.
+
+  Used to test DuplicateFlagError detection.
+
+  Args:
+    flagnames: str, A list of flag names to create.
+
+  Returns:
+    A FlagValues object with one boolean flag for each name in flagnames.
+  """
+  flag_values = gflags.FlagValues()
+  for name in flagnames:
+    gflags.DEFINE_boolean(name, False, 'Flag named %s' % (name,),
+                         flag_values=flag_values)
+  return flag_values

scripts/gflags/tests/gflags_googletest.py

@@ -0,0 +1,119 @@
+#!/usr/bin/env python
+
+# Copyright (c) 2011, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+"""Some simple additions to the unittest framework useful for gflags testing."""
+
+
+
+import re
+import unittest
+
+
+def Sorted(lst):
+  """Equivalent of sorted(), but not dependent on python version."""
+  sorted_list = lst[:]
+  sorted_list.sort()
+  return sorted_list
+
+
+def MultiLineEqual(expected, actual):
+  """Returns True if expected == actual, or returns False and logs."""
+  if actual == expected:
+    return True
+
+  print "Error: FLAGS.MainModuleHelp() didn't return the expected result."
+  print "Got:"
+  print actual
+  print "[End of got]"
+
+  actual_lines = actual.split("\n")
+  expected_lines = expected.split("\n")
+
+  num_actual_lines = len(actual_lines)
+  num_expected_lines = len(expected_lines)
+
+  if num_actual_lines != num_expected_lines:
+    print "Number of actual lines = %d, expected %d" % (
+        num_actual_lines, num_expected_lines)
+
+  num_to_match = min(num_actual_lines, num_expected_lines)
+
+  for i in range(num_to_match):
+    if actual_lines[i] != expected_lines[i]:
+      print "One discrepancy: Got:"
+      print actual_lines[i]
+      print "Expected:"
+      print expected_lines[i]
+      break
+  else:
+    # If we got here, found no discrepancy, print first new line.
+    if num_actual_lines > num_expected_lines:
+      print "New help line:"
+      print actual_lines[num_expected_lines]
+    elif num_expected_lines > num_actual_lines:
+      print "Missing expected help line:"
+      print expected_lines[num_actual_lines]
+    else:
+      print "Bug in this test -- discrepancy detected but not found."
+
+  return False
+
+
+class TestCase(unittest.TestCase):
+  def assertListEqual(self, list1, list2):
+    """Asserts that, when sorted, list1 and list2 are identical."""
+    # This exists in python 2.7, but not previous versions.  Use the
+    # built-in version if possible.
+    if hasattr(unittest.TestCase, "assertListEqual"):
+      unittest.TestCase.assertListEqual(self, Sorted(list1), Sorted(list2))
+    else:
+      self.assertEqual(Sorted(list1), Sorted(list2))
+
+  def assertMultiLineEqual(self, expected, actual):
+    # This exists in python 2.7, but not previous versions.  Use the
+    # built-in version if possible.
+    if hasattr(unittest.TestCase, "assertMultiLineEqual"):
+      unittest.TestCase.assertMultiLineEqual(self, expected, actual)
+    else:
+      self.assertTrue(MultiLineEqual(expected, actual))
+
+  def assertRaisesWithRegexpMatch(self, exception, regexp, fn, *args, **kwargs):
+    try:
+      fn(*args, **kwargs)
+    except exception, why:
+      self.assertTrue(re.search(regexp, str(why)),
+                      "'%s' does not match '%s'" % (regexp, why))
+      return
+    self.fail(exception.__name__ + " not raised")
+
+
+def main():
+  unittest.main()

scripts/gflags/tests/gflags_helpxml_test.py

@@ -0,0 +1,535 @@
+#!/usr/bin/env python
+
+# Copyright (c) 2009, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+"""Unit tests for the XML-format help generated by the gflags.py module."""
+
+__author__ = 'salcianu@google.com (Alex Salcianu)'
+
+
+import string
+import StringIO
+import sys
+import xml.dom.minidom
+import xml.sax.saxutils
+import gflags_googletest as googletest
+import gflags
+from flags_modules_for_testing import module_bar
+
+
+class _MakeXMLSafeTest(googletest.TestCase):
+
+  def _Check(self, s, expected_output):
+    self.assertEqual(gflags._MakeXMLSafe(s), expected_output)
+
+  def testMakeXMLSafe(self):
+    self._Check('plain text', 'plain text')
+    self._Check('(x < y) && (a >= b)',
+                '(x &lt; y) &amp;&amp; (a &gt;= b)')
+    # Some characters with ASCII code < 32 are illegal in XML 1.0 and
+    # are removed by us.  However, '\n', '\t', and '\r' are legal.
+    self._Check('\x09\x0btext \x02 with\x0dsome \x08 good & bad chars',
+                '\ttext  with\rsome  good &amp; bad chars')
+
+
+def _ListSeparatorsInXMLFormat(separators, indent=''):
+  """Generates XML encoding of a list of list separators.
+
+  Args:
+    separators: A list of list separators.  Usually, this should be a
+      string whose characters are the valid list separators, e.g., ','
+      means that both comma (',') and space (' ') are valid list
+      separators.
+    indent: A string that is added at the beginning of each generated
+      XML element.
+
+  Returns:
+    A string.
+  """
+  result = ''
+  separators = list(separators)
+  separators.sort()
+  for sep_char in separators:
+    result += ('%s<list_separator>%s</list_separator>\n' %
+               (indent, repr(sep_char)))
+  return result
+
+
+class WriteFlagHelpInXMLFormatTest(googletest.TestCase):
+  """Test the XML-format help for a single flag at a time.
+
+  There is one test* method for each kind of DEFINE_* declaration.
+  """
+
+  def setUp(self):
+    # self.fv is a FlagValues object, just like gflags.FLAGS.  Each
+    # test registers one flag with this FlagValues.
+    self.fv = gflags.FlagValues()
+
+  def _CheckFlagHelpInXML(self, flag_name, module_name,
+                          expected_output, is_key=False):
+    # StringIO.StringIO is a file object that writes into a memory string.
+    sio = StringIO.StringIO()
+    flag_obj = self.fv[flag_name]
+    flag_obj.WriteInfoInXMLFormat(sio, module_name, is_key=is_key, indent=' ')
+    self.assertMultiLineEqual(sio.getvalue(), expected_output)
+    sio.close()
+
+  def testFlagHelpInXML_Int(self):
+    gflags.DEFINE_integer('index', 17, 'An integer flag', flag_values=self.fv)
+    expected_output_pattern = (
+        ' <flag>\n'
+        '   <file>module.name</file>\n'
+        '   <name>index</name>\n'
+        '   <meaning>An integer flag</meaning>\n'
+        '   <default>17</default>\n'
+        '   <current>%d</current>\n'
+        '   <type>int</type>\n'
+        ' </flag>\n')
+    self._CheckFlagHelpInXML('index', 'module.name',
+                             expected_output_pattern % 17)
+    # Check that the output is correct even when the current value of
+    # a flag is different from the default one.
+    self.fv['index'].value = 20
+    self._CheckFlagHelpInXML('index', 'module.name',
+                             expected_output_pattern % 20)
+
+  def testFlagHelpInXML_IntWithBounds(self):
+    gflags.DEFINE_integer('nb_iters', 17, 'An integer flag',
+                         lower_bound=5, upper_bound=27,
+                         flag_values=self.fv)
+    expected_output = (
+        ' <flag>\n'
+        '   <key>yes</key>\n'
+        '   <file>module.name</file>\n'
+        '   <name>nb_iters</name>\n'
+        '   <meaning>An integer flag</meaning>\n'
+        '   <default>17</default>\n'
+        '   <current>17</current>\n'
+        '   <type>int</type>\n'
+        '   <lower_bound>5</lower_bound>\n'
+        '   <upper_bound>27</upper_bound>\n'
+        ' </flag>\n')
+    self._CheckFlagHelpInXML('nb_iters', 'module.name',
+                             expected_output, is_key=True)
+
+  def testFlagHelpInXML_String(self):
+    gflags.DEFINE_string('file_path', '/path/to/my/dir', 'A test string flag.',
+                        flag_values=self.fv)
+    expected_output = (
+        ' <flag>\n'
+        '   <file>simple_module</file>\n'
+        '   <name>file_path</name>\n'
+        '   <meaning>A test string flag.</meaning>\n'
+        '   <default>/path/to/my/dir</default>\n'
+        '   <current>/path/to/my/dir</current>\n'
+        '   <type>string</type>\n'
+        ' </flag>\n')
+    self._CheckFlagHelpInXML('file_path', 'simple_module',
+                             expected_output)
+
+  def testFlagHelpInXML_StringWithXMLIllegalChars(self):
+    gflags.DEFINE_string('file_path', '/path/to/\x08my/dir',
+                        'A test string flag.', flag_values=self.fv)
+    # '\x08' is not a legal character in XML 1.0 documents.  Our
+    # current code purges such characters from the generated XML.
+    expected_output = (
+        ' <flag>\n'
+        '   <file>simple_module</file>\n'
+        '   <name>file_path</name>\n'
+        '   <meaning>A test string flag.</meaning>\n'
+        '   <default>/path/to/my/dir</default>\n'
+        '   <current>/path/to/my/dir</current>\n'
+        '   <type>string</type>\n'
+        ' </flag>\n')
+    self._CheckFlagHelpInXML('file_path', 'simple_module',
+                             expected_output)
+
+  def testFlagHelpInXML_Boolean(self):
+    gflags.DEFINE_boolean('use_hack', False, 'Use performance hack',
+                         flag_values=self.fv)
+    expected_output = (
+        ' <flag>\n'
+        '   <key>yes</key>\n'
+        '   <file>a_module</file>\n'
+        '   <name>use_hack</name>\n'
+        '   <meaning>Use performance hack</meaning>\n'
+        '   <default>false</default>\n'
+        '   <current>false</current>\n'
+        '   <type>bool</type>\n'
+        ' </flag>\n')
+    self._CheckFlagHelpInXML('use_hack', 'a_module',
+                             expected_output, is_key=True)
+
+  def testFlagHelpInXML_Enum(self):
+    gflags.DEFINE_enum('cc_version', 'stable', ['stable', 'experimental'],
+                      'Compiler version to use.', flag_values=self.fv)
+    expected_output = (
+        ' <flag>\n'
+        '   <file>tool</file>\n'
+        '   <name>cc_version</name>\n'
+        '   <meaning>&lt;stable|experimental&gt;: '
+        'Compiler version to use.</meaning>\n'
+        '   <default>stable</default>\n'
+        '   <current>stable</current>\n'
+        '   <type>string enum</type>\n'
+        '   <enum_value>stable</enum_value>\n'
+        '   <enum_value>experimental</enum_value>\n'
+        ' </flag>\n')
+    self._CheckFlagHelpInXML('cc_version', 'tool', expected_output)
+
+  def testFlagHelpInXML_CommaSeparatedList(self):
+    gflags.DEFINE_list('files', 'a.cc,a.h,archive/old.zip',
+                      'Files to process.', flag_values=self.fv)
+    expected_output = (
+        ' <flag>\n'
+        '   <file>tool</file>\n'
+        '   <name>files</name>\n'
+        '   <meaning>Files to process.</meaning>\n'
+        '   <default>a.cc,a.h,archive/old.zip</default>\n'
+        '   <current>[\'a.cc\', \'a.h\', \'archive/old.zip\']</current>\n'
+        '   <type>comma separated list of strings</type>\n'
+        '   <list_separator>\',\'</list_separator>\n'
+        ' </flag>\n')
+    self._CheckFlagHelpInXML('files', 'tool', expected_output)
+
+  def testListAsDefaultArgument_CommaSeparatedList(self):
+    gflags.DEFINE_list('allow_users', ['alice', 'bob'],
+                      'Users with access.', flag_values=self.fv)
+    expected_output = (
+        ' <flag>\n'
+        '   <file>tool</file>\n'
+        '   <name>allow_users</name>\n'
+        '   <meaning>Users with access.</meaning>\n'
+        '   <default>alice,bob</default>\n'
+        '   <current>[\'alice\', \'bob\']</current>\n'
+        '   <type>comma separated list of strings</type>\n'
+        '   <list_separator>\',\'</list_separator>\n'
+        ' </flag>\n')
+    self._CheckFlagHelpInXML('allow_users', 'tool', expected_output)
+
+  def testFlagHelpInXML_SpaceSeparatedList(self):
+    gflags.DEFINE_spaceseplist('dirs', 'src libs bin',
+                              'Directories to search.', flag_values=self.fv)
+    expected_output = (
+        ' <flag>\n'
+        '   <file>tool</file>\n'
+        '   <name>dirs</name>\n'
+        '   <meaning>Directories to search.</meaning>\n'
+        '   <default>src libs bin</default>\n'
+        '   <current>[\'src\', \'libs\', \'bin\']</current>\n'
+        '   <type>whitespace separated list of strings</type>\n'
+        'LIST_SEPARATORS'
+        ' </flag>\n').replace('LIST_SEPARATORS',
+                              _ListSeparatorsInXMLFormat(string.whitespace,
+                                                         indent='   '))
+    self._CheckFlagHelpInXML('dirs', 'tool', expected_output)
+
+  def testFlagHelpInXML_MultiString(self):
+    gflags.DEFINE_multistring('to_delete', ['a.cc', 'b.h'],
+                             'Files to delete', flag_values=self.fv)
+    expected_output = (
+        ' <flag>\n'
+        '   <file>tool</file>\n'
+        '   <name>to_delete</name>\n'
+        '   <meaning>Files to delete;\n    '
+        'repeat this option to specify a list of values</meaning>\n'
+        '   <default>[\'a.cc\', \'b.h\']</default>\n'
+        '   <current>[\'a.cc\', \'b.h\']</current>\n'
+        '   <type>multi string</type>\n'
+        ' </flag>\n')
+    self._CheckFlagHelpInXML('to_delete', 'tool', expected_output)
+
+  def testFlagHelpInXML_MultiInt(self):
+    gflags.DEFINE_multi_int('cols', [5, 7, 23],
+                           'Columns to select', flag_values=self.fv)
+    expected_output = (
+        ' <flag>\n'
+        '   <file>tool</file>\n'
+        '   <name>cols</name>\n'
+        '   <meaning>Columns to select;\n    '
+        'repeat this option to specify a list of values</meaning>\n'
+        '   <default>[5, 7, 23]</default>\n'
+        '   <current>[5, 7, 23]</current>\n'
+        '   <type>multi int</type>\n'
+        ' </flag>\n')
+    self._CheckFlagHelpInXML('cols', 'tool', expected_output)
+
+
+# The next EXPECTED_HELP_XML_* constants are parts of a template for
+# the expected XML output from WriteHelpInXMLFormatTest below.  When
+# we assemble these parts into a single big string, we'll take into
+# account the ordering between the name of the main module and the
+# name of module_bar.  Next, we'll fill in the docstring for this
+# module (%(usage_doc)s), the name of the main module
+# (%(main_module_name)s) and the name of the module module_bar
+# (%(module_bar_name)s).  See WriteHelpInXMLFormatTest below.
+#
+# NOTE: given the current implementation of _GetMainModule(), we
+# already know the ordering between the main module and module_bar.
+# However, there is no guarantee that _GetMainModule will never be
+# changed in the future (especially since it's far from perfect).
+EXPECTED_HELP_XML_START = """\
+<?xml version="1.0"?>
+<AllFlags>
+  <program>gflags_helpxml_test.py</program>
+  <usage>%(usage_doc)s</usage>
+"""
+
+EXPECTED_HELP_XML_FOR_FLAGS_FROM_MAIN_MODULE = """\
+  <flag>
+    <key>yes</key>
+    <file>%(main_module_name)s</file>
+    <name>allow_users</name>
+    <meaning>Users with access.</meaning>
+    <default>alice,bob</default>
+    <current>['alice', 'bob']</current>
+    <type>comma separated list of strings</type>
+    <list_separator>','</list_separator>
+  </flag>
+  <flag>
+    <key>yes</key>
+    <file>%(main_module_name)s</file>
+    <name>cc_version</name>
+    <meaning>&lt;stable|experimental&gt;: Compiler version to use.</meaning>
+    <default>stable</default>
+    <current>stable</current>
+    <type>string enum</type>
+    <enum_value>stable</enum_value>
+    <enum_value>experimental</enum_value>
+  </flag>
+  <flag>
+    <key>yes</key>
+    <file>%(main_module_name)s</file>
+    <name>cols</name>
+    <meaning>Columns to select;
+    repeat this option to specify a list of values</meaning>
+    <default>[5, 7, 23]</default>
+    <current>[5, 7, 23]</current>
+    <type>multi int</type>
+  </flag>
+  <flag>
+    <key>yes</key>
+    <file>%(main_module_name)s</file>
+    <name>dirs</name>
+    <meaning>Directories to create.</meaning>
+    <default>src libs bins</default>
+    <current>['src', 'libs', 'bins']</current>
+    <type>whitespace separated list of strings</type>
+%(whitespace_separators)s  </flag>
+  <flag>
+    <key>yes</key>
+    <file>%(main_module_name)s</file>
+    <name>file_path</name>
+    <meaning>A test string flag.</meaning>
+    <default>/path/to/my/dir</default>
+    <current>/path/to/my/dir</current>
+    <type>string</type>
+  </flag>
+  <flag>
+    <key>yes</key>
+    <file>%(main_module_name)s</file>
+    <name>files</name>
+    <meaning>Files to process.</meaning>
+    <default>a.cc,a.h,archive/old.zip</default>
+    <current>['a.cc', 'a.h', 'archive/old.zip']</current>
+    <type>comma separated list of strings</type>
+    <list_separator>\',\'</list_separator>
+  </flag>
+  <flag>
+    <key>yes</key>
+    <file>%(main_module_name)s</file>
+    <name>index</name>
+    <meaning>An integer flag</meaning>
+    <default>17</default>
+    <current>17</current>
+    <type>int</type>
+  </flag>
+  <flag>
+    <key>yes</key>
+    <file>%(main_module_name)s</file>
+    <name>nb_iters</name>
+    <meaning>An integer flag</meaning>
+    <default>17</default>
+    <current>17</current>
+    <type>int</type>
+    <lower_bound>5</lower_bound>
+    <upper_bound>27</upper_bound>
+  </flag>
+  <flag>
+    <key>yes</key>
+    <file>%(main_module_name)s</file>
+    <name>to_delete</name>
+    <meaning>Files to delete;
+    repeat this option to specify a list of values</meaning>
+    <default>['a.cc', 'b.h']</default>
+    <current>['a.cc', 'b.h']</current>
+    <type>multi string</type>
+  </flag>
+  <flag>
+    <key>yes</key>
+    <file>%(main_module_name)s</file>
+    <name>use_hack</name>
+    <meaning>Use performance hack</meaning>
+    <default>false</default>
+    <current>false</current>
+    <type>bool</type>
+  </flag>
+"""
+
+EXPECTED_HELP_XML_FOR_FLAGS_FROM_MODULE_BAR = """\
+  <flag>
+    <file>%(module_bar_name)s</file>
+    <name>tmod_bar_t</name>
+    <meaning>Sample int flag.</meaning>
+    <default>4</default>
+    <current>4</current>
+    <type>int</type>
+  </flag>
+  <flag>
+    <key>yes</key>
+    <file>%(module_bar_name)s</file>
+    <name>tmod_bar_u</name>
+    <meaning>Sample int flag.</meaning>
+    <default>5</default>
+    <current>5</current>
+    <type>int</type>
+  </flag>
+  <flag>
+    <file>%(module_bar_name)s</file>
+    <name>tmod_bar_v</name>
+    <meaning>Sample int flag.</meaning>
+    <default>6</default>
+    <current>6</current>
+    <type>int</type>
+  </flag>
+  <flag>
+    <file>%(module_bar_name)s</file>
+    <name>tmod_bar_x</name>
+    <meaning>Boolean flag.</meaning>
+    <default>true</default>
+    <current>true</current>
+    <type>bool</type>
+  </flag>
+  <flag>
+    <file>%(module_bar_name)s</file>
+    <name>tmod_bar_y</name>
+    <meaning>String flag.</meaning>
+    <default>default</default>
+    <current>default</current>
+    <type>string</type>
+  </flag>
+  <flag>
+    <key>yes</key>
+    <file>%(module_bar_name)s</file>
+    <name>tmod_bar_z</name>
+    <meaning>Another boolean flag from module bar.</meaning>
+    <default>false</default>
+    <current>false</current>
+    <type>bool</type>
+  </flag>
+"""
+
+EXPECTED_HELP_XML_END = """\
+</AllFlags>
+"""
+
+
+class WriteHelpInXMLFormatTest(googletest.TestCase):
+  """Big test of FlagValues.WriteHelpInXMLFormat, with several flags."""
+
+  def testWriteHelpInXMLFormat(self):
+    fv = gflags.FlagValues()
+    # Since these flags are defined by the top module, they are all key.
+    gflags.DEFINE_integer('index', 17, 'An integer flag', flag_values=fv)
+    gflags.DEFINE_integer('nb_iters', 17, 'An integer flag',
+                         lower_bound=5, upper_bound=27, flag_values=fv)
+    gflags.DEFINE_string('file_path', '/path/to/my/dir', 'A test string flag.',
+                        flag_values=fv)
+    gflags.DEFINE_boolean('use_hack', False, 'Use performance hack',
+                         flag_values=fv)
+    gflags.DEFINE_enum('cc_version', 'stable', ['stable', 'experimental'],
+                      'Compiler version to use.', flag_values=fv)
+    gflags.DEFINE_list('files', 'a.cc,a.h,archive/old.zip',
+                      'Files to process.', flag_values=fv)
+    gflags.DEFINE_list('allow_users', ['alice', 'bob'],
+                      'Users with access.', flag_values=fv)
+    gflags.DEFINE_spaceseplist('dirs', 'src libs bins',
+                              'Directories to create.', flag_values=fv)
+    gflags.DEFINE_multistring('to_delete', ['a.cc', 'b.h'],
+                             'Files to delete', flag_values=fv)
+    gflags.DEFINE_multi_int('cols', [5, 7, 23],
+                           'Columns to select', flag_values=fv)
+    # Define a few flags in a different module.
+    module_bar.DefineFlags(flag_values=fv)
+    # And declare only a few of them to be key.  This way, we have
+    # different kinds of flags, defined in different modules, and not
+    # all of them are key flags.
+    gflags.DECLARE_key_flag('tmod_bar_z', flag_values=fv)
+    gflags.DECLARE_key_flag('tmod_bar_u', flag_values=fv)
+
+    # Generate flag help in XML format in the StringIO sio.
+    sio = StringIO.StringIO()
+    fv.WriteHelpInXMLFormat(sio)
+
+    # Check that we got the expected result.
+    expected_output_template = EXPECTED_HELP_XML_START
+    main_module_name = gflags._GetMainModule()
+    module_bar_name = module_bar.__name__
+
+    if main_module_name < module_bar_name:
+      expected_output_template += EXPECTED_HELP_XML_FOR_FLAGS_FROM_MAIN_MODULE
+      expected_output_template += EXPECTED_HELP_XML_FOR_FLAGS_FROM_MODULE_BAR
+    else:
+      expected_output_template += EXPECTED_HELP_XML_FOR_FLAGS_FROM_MODULE_BAR
+      expected_output_template += EXPECTED_HELP_XML_FOR_FLAGS_FROM_MAIN_MODULE
+
+    expected_output_template += EXPECTED_HELP_XML_END
+
+    # XML representation of the whitespace list separators.
+    whitespace_separators = _ListSeparatorsInXMLFormat(string.whitespace,
+                                                       indent='    ')
+    expected_output = (
+        expected_output_template %
+        {'usage_doc': sys.modules['__main__'].__doc__,
+         'main_module_name': main_module_name,
+         'module_bar_name': module_bar_name,
+         'whitespace_separators': whitespace_separators})
+
+    actual_output = sio.getvalue()
+    self.assertMultiLineEqual(actual_output, expected_output)
+
+    # Also check that our result is valid XML.  minidom.parseString
+    # throws an xml.parsers.expat.ExpatError in case of an error.
+    xml.dom.minidom.parseString(actual_output)
+
+
+if __name__ == '__main__':
+  googletest.main()

scripts/gflags/tests/gflags_validators_test.py

@@ -0,0 +1,220 @@
+#!/usr/bin/env python
+
+# Copyright (c) 2010, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+"""Testing that flags validators framework does work.
+
+This file tests that each flag validator called when it should be, and that
+failed validator will throw an exception, etc.
+"""
+
+__author__ = 'olexiy@google.com (Olexiy Oryeshko)'
+
+import gflags_googletest as googletest
+import gflags
+import gflags_validators
+
+
+class SimpleValidatorTest(googletest.TestCase):
+  """Testing gflags.RegisterValidator() method."""
+
+  def setUp(self):
+    super(SimpleValidatorTest, self).setUp()
+    self.flag_values = gflags.FlagValues()
+    self.call_args = []
+
+  def testSuccess(self):
+    def Checker(x):
+      self.call_args.append(x)
+      return True
+    gflags.DEFINE_integer('test_flag', None, 'Usual integer flag',
+                         flag_values=self.flag_values)
+    gflags.RegisterValidator('test_flag',
+                            Checker,
+                            message='Errors happen',
+                            flag_values=self.flag_values)
+
+    argv = ('./program')
+    self.flag_values(argv)
+    self.assertEquals(None, self.flag_values.test_flag)
+    self.flag_values.test_flag = 2
+    self.assertEquals(2, self.flag_values.test_flag)
+    self.assertEquals([None, 2], self.call_args)
+
+  def testDefaultValueNotUsedSuccess(self):
+    def Checker(x):
+      self.call_args.append(x)
+      return True
+    gflags.DEFINE_integer('test_flag', None, 'Usual integer flag',
+                         flag_values=self.flag_values)
+    gflags.RegisterValidator('test_flag',
+                            Checker,
+                            message='Errors happen',
+                            flag_values=self.flag_values)
+
+    argv = ('./program', '--test_flag=1')
+    self.flag_values(argv)
+    self.assertEquals(1, self.flag_values.test_flag)
+    self.assertEquals([1], self.call_args)
+
+  def testValidatorNotCalledWhenOtherFlagIsChanged(self):
+    def Checker(x):
+      self.call_args.append(x)
+      return True
+    gflags.DEFINE_integer('test_flag', 1, 'Usual integer flag',
+                         flag_values=self.flag_values)
+    gflags.DEFINE_integer('other_flag', 2, 'Other integer flag',
+                         flag_values=self.flag_values)
+    gflags.RegisterValidator('test_flag',
+                            Checker,
+                            message='Errors happen',
+                            flag_values=self.flag_values)
+
+    argv = ('./program')
+    self.flag_values(argv)
+    self.assertEquals(1, self.flag_values.test_flag)
+    self.flag_values.other_flag = 3
+    self.assertEquals([1], self.call_args)
+
+  def testExceptionRaisedIfCheckerFails(self):
+    def Checker(x):
+      self.call_args.append(x)
+      return x == 1
+    gflags.DEFINE_integer('test_flag', None, 'Usual integer flag',
+                         flag_values=self.flag_values)
+    gflags.RegisterValidator('test_flag',
+                            Checker,
+                            message='Errors happen',
+                            flag_values=self.flag_values)
+
+    argv = ('./program', '--test_flag=1')
+    self.flag_values(argv)
+    try:
+      self.flag_values.test_flag = 2
+      raise AssertionError('gflags.IllegalFlagValue expected')
+    except gflags.IllegalFlagValue, e:
+      self.assertEquals('flag --test_flag=2: Errors happen', str(e))
+    self.assertEquals([1, 2], self.call_args)
+
+  def testExceptionRaisedIfCheckerRaisesException(self):
+    def Checker(x):
+      self.call_args.append(x)
+      if x == 1:
+        return True
+      raise gflags_validators.Error('Specific message')
+    gflags.DEFINE_integer('test_flag', None, 'Usual integer flag',
+                         flag_values=self.flag_values)
+    gflags.RegisterValidator('test_flag',
+                            Checker,
+                            message='Errors happen',
+                            flag_values=self.flag_values)
+
+    argv = ('./program', '--test_flag=1')
+    self.flag_values(argv)
+    try:
+      self.flag_values.test_flag = 2
+      raise AssertionError('gflags.IllegalFlagValue expected')
+    except gflags.IllegalFlagValue, e:
+      self.assertEquals('flag --test_flag=2: Specific message', str(e))
+    self.assertEquals([1, 2], self.call_args)
+
+  def testErrorMessageWhenCheckerReturnsFalseOnStart(self):
+    def Checker(x):
+      self.call_args.append(x)
+      return False
+    gflags.DEFINE_integer('test_flag', None, 'Usual integer flag',
+                         flag_values=self.flag_values)
+    gflags.RegisterValidator('test_flag',
+                            Checker,
+                            message='Errors happen',
+                            flag_values=self.flag_values)
+
+    argv = ('./program', '--test_flag=1')
+    try:
+      self.flag_values(argv)
+      raise AssertionError('gflags.IllegalFlagValue expected')
+    except gflags.IllegalFlagValue, e:
+      self.assertEquals('flag --test_flag=1: Errors happen', str(e))
+    self.assertEquals([1], self.call_args)
+
+  def testErrorMessageWhenCheckerRaisesExceptionOnStart(self):
+    def Checker(x):
+      self.call_args.append(x)
+      raise gflags_validators.Error('Specific message')
+    gflags.DEFINE_integer('test_flag', None, 'Usual integer flag',
+                         flag_values=self.flag_values)
+    gflags.RegisterValidator('test_flag',
+                            Checker,
+                            message='Errors happen',
+                            flag_values=self.flag_values)
+
+    argv = ('./program', '--test_flag=1')
+    try:
+      self.flag_values(argv)
+      raise AssertionError('IllegalFlagValue expected')
+    except gflags.IllegalFlagValue, e:
+      self.assertEquals('flag --test_flag=1: Specific message', str(e))
+    self.assertEquals([1], self.call_args)
+
+  def testValidatorsCheckedInOrder(self):
+
+    def Required(x):
+      self.calls.append('Required')
+      return x is not None
+
+    def Even(x):
+      self.calls.append('Even')
+      return x % 2 == 0
+
+    self.calls = []
+    self._DefineFlagAndValidators(Required, Even)
+    self.assertEquals(['Required', 'Even'], self.calls)
+
+    self.calls = []
+    self._DefineFlagAndValidators(Even, Required)
+    self.assertEquals(['Even', 'Required'], self.calls)
+
+  def _DefineFlagAndValidators(self, first_validator, second_validator):
+    local_flags = gflags.FlagValues()
+    gflags.DEFINE_integer('test_flag', 2, 'test flag', flag_values=local_flags)
+    gflags.RegisterValidator('test_flag',
+                            first_validator,
+                            message='',
+                            flag_values=local_flags)
+    gflags.RegisterValidator('test_flag',
+                            second_validator,
+                            message='',
+                            flag_values=local_flags)
+    argv = ('./program')
+    local_flags(argv)
+
+
+if __name__ == '__main__':
+  googletest.main()

scripts/httplib2/__init__.py.rej

@@ -0,0 +1,36 @@
+--- __init__.py
++++ __init__.py
+@@ -1058,15 +1062,26 @@
+ 
+ # Use a different connection object for Google App Engine
+ try:
+-  from google.appengine.api import apiproxy_stub_map
+-  if apiproxy_stub_map.apiproxy.GetStub('urlfetch') is None:
+-    raise ImportError  # Bail out; we're not actually running on App Engine.
+-  from google.appengine.api.urlfetch import fetch
+-  from google.appengine.api.urlfetch import InvalidURLError
++  try:
++    from google.appengine.api import apiproxy_stub_map
++    if apiproxy_stub_map.apiproxy.GetStub('urlfetch') is None:
++      raise ImportError  # Bail out; we're not actually running on App Engine.
++    from google.appengine.api.urlfetch import fetch
++    from google.appengine.api.urlfetch import InvalidURLError
++  except ImportError:
++    from google3.apphosting.api import apiproxy_stub_map
++    if apiproxy_stub_map.apiproxy.GetStub('urlfetch') is None:
++      raise ImportError  # Bail out; we're not actually running on App Engine.
++    from google3.apphosting.api.urlfetch import fetch
++    from google3.apphosting.api.urlfetch import InvalidURLError
+ 
+   def _new_fixed_fetch(validate_certificate):
+-    def fixed_fetch(url, payload=None, method="GET", headers={}, allow_truncated=False, follow_redirects=True, deadline=5):
+-      return fetch(url, payload=payload, method=method, headers=header, allow_truncated=allow_truncated, follow_redirects=follow_redirects, deadline=deadline, validate_certificate=validate_certificate)
++    def fixed_fetch(url, payload=None, method="GET", headers={},
++                    allow_truncated=False, follow_redirects=True, deadline=5):
++      return fetch(url, payload=payload, method=method, headers=header,
++                   allow_truncated=allow_truncated,
++                   follow_redirects=follow_redirects, deadline=deadline,
++                   validate_certificate=validate_certificate)
+     return fixed_fetch
+ 
+   class AppEngineHttpConnection(httplib.HTTPConnection):

scripts/httplib2/cacerts.txt

@@ -0,0 +1,739 @@
+# Certifcate Authority certificates for validating SSL connections.
+#
+# This file contains PEM format certificates generated from
+# http://mxr.mozilla.org/seamonkey/source/security/nss/lib/ckfw/builtins/certdata.txt
+#
+# ***** BEGIN LICENSE BLOCK *****
+# Version: MPL 1.1/GPL 2.0/LGPL 2.1
+#
+# The contents of this file are subject to the Mozilla Public License Version
+# 1.1 (the "License"); you may not use this file except in compliance with
+# the License. You may obtain a copy of the License at
+# http://www.mozilla.org/MPL/
+#
+# Software distributed under the License is distributed on an "AS IS" basis,
+# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+# for the specific language governing rights and limitations under the
+# License.
+#
+# The Original Code is the Netscape security libraries.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corporation.
+# Portions created by the Initial Developer are Copyright (C) 1994-2000
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#
+# Alternatively, the contents of this file may be used under the terms of
+# either the GNU General Public License Version 2 or later (the "GPL"), or
+# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+# in which case the provisions of the GPL or the LGPL are applicable instead
+# of those above. If you wish to allow use of your version of this file only
+# under the terms of either the GPL or the LGPL, and not to allow others to
+# use your version of this file under the terms of the MPL, indicate your
+# decision by deleting the provisions above and replace them with the notice
+# and other provisions required by the GPL or the LGPL. If you do not delete
+# the provisions above, a recipient may use your version of this file under
+# the terms of any one of the MPL, the GPL or the LGPL.
+#
+# ***** END LICENSE BLOCK *****
+
+Verisign/RSA Secure Server CA
+=============================
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+-----END CERTIFICATE-----
+-----BEGIN CERTIFICATE-----
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+
+GeoTrust Global CA
+==================
+
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+

scripts/httplib2/iri2uri.py

@@ -0,0 +1,110 @@
+"""
+iri2uri
+
+Converts an IRI to a URI.
+
+"""
+__author__ = "Joe Gregorio (joe@bitworking.org)"
+__copyright__ = "Copyright 2006, Joe Gregorio"
+__contributors__ = []
+__version__ = "1.0.0"
+__license__ = "MIT"
+__history__ = """
+"""
+
+import urlparse
+
+
+# Convert an IRI to a URI following the rules in RFC 3987
+#
+# The characters we need to enocde and escape are defined in the spec:
+#
+# iprivate =  %xE000-F8FF / %xF0000-FFFFD / %x100000-10FFFD
+# ucschar = %xA0-D7FF / %xF900-FDCF / %xFDF0-FFEF
+#         / %x10000-1FFFD / %x20000-2FFFD / %x30000-3FFFD
+#         / %x40000-4FFFD / %x50000-5FFFD / %x60000-6FFFD
+#         / %x70000-7FFFD / %x80000-8FFFD / %x90000-9FFFD
+#         / %xA0000-AFFFD / %xB0000-BFFFD / %xC0000-CFFFD
+#         / %xD0000-DFFFD / %xE1000-EFFFD
+
+escape_range = [
+    (0xA0, 0xD7FF),
+    (0xE000, 0xF8FF),
+    (0xF900, 0xFDCF),
+    (0xFDF0, 0xFFEF),
+    (0x10000, 0x1FFFD),
+    (0x20000, 0x2FFFD),
+    (0x30000, 0x3FFFD),
+    (0x40000, 0x4FFFD),
+    (0x50000, 0x5FFFD),
+    (0x60000, 0x6FFFD),
+    (0x70000, 0x7FFFD),
+    (0x80000, 0x8FFFD),
+    (0x90000, 0x9FFFD),
+    (0xA0000, 0xAFFFD),
+    (0xB0000, 0xBFFFD),
+    (0xC0000, 0xCFFFD),
+    (0xD0000, 0xDFFFD),
+    (0xE1000, 0xEFFFD),
+    (0xF0000, 0xFFFFD),
+    (0x100000, 0x10FFFD),
+]
+
+def encode(c):
+    retval = c
+    i = ord(c)
+    for low, high in escape_range:
+        if i < low:
+            break
+        if i >= low and i <= high:
+            retval = "".join(["%%%2X" % ord(o) for o in c.encode('utf-8')])
+            break
+    return retval
+
+
+def iri2uri(uri):
+    """Convert an IRI to a URI. Note that IRIs must be
+    passed in a unicode strings. That is, do not utf-8 encode
+    the IRI before passing it into the function."""
+    if isinstance(uri ,unicode):
+        (scheme, authority, path, query, fragment) = urlparse.urlsplit(uri)
+        authority = authority.encode('idna')
+        # For each character in 'ucschar' or 'iprivate'
+        #  1. encode as utf-8
+        #  2. then %-encode each octet of that utf-8
+        uri = urlparse.urlunsplit((scheme, authority, path, query, fragment))
+        uri = "".join([encode(c) for c in uri])
+    return uri
+
+if __name__ == "__main__":
+    import unittest
+
+    class Test(unittest.TestCase):
+
+        def test_uris(self):
+            """Test that URIs are invariant under the transformation."""
+            invariant = [
+                u"ftp://ftp.is.co.za/rfc/rfc1808.txt",
+                u"http://www.ietf.org/rfc/rfc2396.txt",
+                u"ldap://[2001:db8::7]/c=GB?objectClass?one",
+                u"mailto:John.Doe@example.com",
+                u"news:comp.infosystems.www.servers.unix",
+                u"tel:+1-816-555-1212",
+                u"telnet://192.0.2.16:80/",
+                u"urn:oasis:names:specification:docbook:dtd:xml:4.1.2" ]
+            for uri in invariant:
+                self.assertEqual(uri, iri2uri(uri))
+
+        def test_iri(self):
+            """ Test that the right type of escaping is done for each part of the URI."""
+            self.assertEqual("http://xn--o3h.com/%E2%98%84", iri2uri(u"http://\N{COMET}.com/\N{COMET}"))
+            self.assertEqual("http://bitworking.org/?fred=%E2%98%84", iri2uri(u"http://bitworking.org/?fred=\N{COMET}"))
+            self.assertEqual("http://bitworking.org/#%E2%98%84", iri2uri(u"http://bitworking.org/#\N{COMET}"))
+            self.assertEqual("#%E2%98%84", iri2uri(u"#\N{COMET}"))
+            self.assertEqual("/fred?bar=%E2%98%9A#%E2%98%84", iri2uri(u"/fred?bar=\N{BLACK LEFT POINTING INDEX}#\N{COMET}"))
+            self.assertEqual("/fred?bar=%E2%98%9A#%E2%98%84", iri2uri(iri2uri(u"/fred?bar=\N{BLACK LEFT POINTING INDEX}#\N{COMET}")))
+            self.assertNotEqual("/fred?bar=%E2%98%9A#%E2%98%84", iri2uri(u"/fred?bar=\N{BLACK LEFT POINTING INDEX}#\N{COMET}".encode('utf-8')))
+
+    unittest.main()
+
+

scripts/httplib2/socks.py

@@ -0,0 +1,438 @@
+"""SocksiPy - Python SOCKS module.
+Version 1.00
+
+Copyright 2006 Dan-Haim. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+3. Neither the name of Dan Haim nor the names of his contributors may be used
+   to endorse or promote products derived from this software without specific
+   prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY DAN HAIM "AS IS" AND ANY EXPRESS OR IMPLIED
+WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+EVENT SHALL DAN HAIM OR HIS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA
+OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMANGE.
+
+
+This module provides a standard socket-like interface for Python
+for tunneling connections through SOCKS proxies.
+
+"""
+
+"""
+
+Minor modifications made by Christopher Gilbert (http://motomastyle.com/)
+for use in PyLoris (http://pyloris.sourceforge.net/)
+
+Minor modifications made by Mario Vilas (http://breakingcode.wordpress.com/)
+mainly to merge bug fixes found in Sourceforge
+
+"""
+
+import base64
+import socket
+import struct
+import sys
+
+if getattr(socket, 'socket', None) is None:
+    raise ImportError('socket.socket missing, proxy support unusable')
+
+PROXY_TYPE_SOCKS4 = 1
+PROXY_TYPE_SOCKS5 = 2
+PROXY_TYPE_HTTP = 3
+PROXY_TYPE_HTTP_NO_TUNNEL = 4
+
+_defaultproxy = None
+_orgsocket = socket.socket
+
+class ProxyError(Exception): pass
+class GeneralProxyError(ProxyError): pass
+class Socks5AuthError(ProxyError): pass
+class Socks5Error(ProxyError): pass
+class Socks4Error(ProxyError): pass
+class HTTPError(ProxyError): pass
+
+_generalerrors = ("success",
+    "invalid data",
+    "not connected",
+    "not available",
+    "bad proxy type",
+    "bad input")
+
+_socks5errors = ("succeeded",
+    "general SOCKS server failure",
+    "connection not allowed by ruleset",
+    "Network unreachable",
+    "Host unreachable",
+    "Connection refused",
+    "TTL expired",
+    "Command not supported",
+    "Address type not supported",
+    "Unknown error")
+
+_socks5autherrors = ("succeeded",
+    "authentication is required",
+    "all offered authentication methods were rejected",
+    "unknown username or invalid password",
+    "unknown error")
+
+_socks4errors = ("request granted",
+    "request rejected or failed",
+    "request rejected because SOCKS server cannot connect to identd on the client",
+    "request rejected because the client program and identd report different user-ids",
+    "unknown error")
+
+def setdefaultproxy(proxytype=None, addr=None, port=None, rdns=True, username=None, password=None):
+    """setdefaultproxy(proxytype, addr[, port[, rdns[, username[, password]]]])
+    Sets a default proxy which all further socksocket objects will use,
+    unless explicitly changed.
+    """
+    global _defaultproxy
+    _defaultproxy = (proxytype, addr, port, rdns, username, password)
+
+def wrapmodule(module):
+    """wrapmodule(module)
+    Attempts to replace a module's socket library with a SOCKS socket. Must set
+    a default proxy using setdefaultproxy(...) first.
+    This will only work on modules that import socket directly into the namespace;
+    most of the Python Standard Library falls into this category.
+    """
+    if _defaultproxy != None:
+        module.socket.socket = socksocket
+    else:
+        raise GeneralProxyError((4, "no proxy specified"))
+
+class socksocket(socket.socket):
+    """socksocket([family[, type[, proto]]]) -> socket object
+    Open a SOCKS enabled socket. The parameters are the same as
+    those of the standard socket init. In order for SOCKS to work,
+    you must specify family=AF_INET, type=SOCK_STREAM and proto=0.
+    """
+
+    def __init__(self, family=socket.AF_INET, type=socket.SOCK_STREAM, proto=0, _sock=None):
+        _orgsocket.__init__(self, family, type, proto, _sock)
+        if _defaultproxy != None:
+            self.__proxy = _defaultproxy
+        else:
+            self.__proxy = (None, None, None, None, None, None)
+        self.__proxysockname = None
+        self.__proxypeername = None
+        self.__httptunnel = True
+
+    def __recvall(self, count):
+        """__recvall(count) -> data
+        Receive EXACTLY the number of bytes requested from the socket.
+        Blocks until the required number of bytes have been received.
+        """
+        data = self.recv(count)
+        while len(data) < count:
+            d = self.recv(count-len(data))
+            if not d: raise GeneralProxyError((0, "connection closed unexpectedly"))
+            data = data + d
+        return data
+
+    def sendall(self, content, *args):
+        """ override socket.socket.sendall method to rewrite the header
+        for non-tunneling proxies if needed
+        """
+        if not self.__httptunnel:
+            content = self.__rewriteproxy(content)
+        return super(socksocket, self).sendall(content, *args)
+
+    def __rewriteproxy(self, header):
+        """ rewrite HTTP request headers to support non-tunneling proxies
+        (i.e. those which do not support the CONNECT method).
+        This only works for HTTP (not HTTPS) since HTTPS requires tunneling.
+        """
+        host, endpt = None, None
+        hdrs = header.split("\r\n")
+        for hdr in hdrs:
+            if hdr.lower().startswith("host:"):
+                host = hdr
+            elif hdr.lower().startswith("get") or hdr.lower().startswith("post"):
+                endpt = hdr
+        if host and endpt:
+            hdrs.remove(host)
+            hdrs.remove(endpt)
+            host = host.split(" ")[1]
+            endpt = endpt.split(" ")
+            if (self.__proxy[4] != None and self.__proxy[5] != None):
+                hdrs.insert(0, self.__getauthheader())
+            hdrs.insert(0, "Host: %s" % host)
+            hdrs.insert(0, "%s http://%s%s %s" % (endpt[0], host, endpt[1], endpt[2]))
+        return "\r\n".join(hdrs)
+
+    def __getauthheader(self):
+        auth = self.__proxy[4] + ":" + self.__proxy[5]
+        return "Proxy-Authorization: Basic " + base64.b64encode(auth)
+
+    def setproxy(self, proxytype=None, addr=None, port=None, rdns=True, username=None, password=None):
+        """setproxy(proxytype, addr[, port[, rdns[, username[, password]]]])
+        Sets the proxy to be used.
+        proxytype -    The type of the proxy to be used. Three types
+                are supported: PROXY_TYPE_SOCKS4 (including socks4a),
+                PROXY_TYPE_SOCKS5 and PROXY_TYPE_HTTP
+        addr -        The address of the server (IP or DNS).
+        port -        The port of the server. Defaults to 1080 for SOCKS
+                servers and 8080 for HTTP proxy servers.
+        rdns -        Should DNS queries be preformed on the remote side
+                (rather than the local side). The default is True.
+                Note: This has no effect with SOCKS4 servers.
+        username -    Username to authenticate with to the server.
+                The default is no authentication.
+        password -    Password to authenticate with to the server.
+                Only relevant when username is also provided.
+        """
+        self.__proxy = (proxytype, addr, port, rdns, username, password)
+
+    def __negotiatesocks5(self, destaddr, destport):
+        """__negotiatesocks5(self,destaddr,destport)
+        Negotiates a connection through a SOCKS5 server.
+        """
+        # First we'll send the authentication packages we support.
+        if (self.__proxy[4]!=None) and (self.__proxy[5]!=None):
+            # The username/password details were supplied to the
+            # setproxy method so we support the USERNAME/PASSWORD
+            # authentication (in addition to the standard none).
+            self.sendall(struct.pack('BBBB', 0x05, 0x02, 0x00, 0x02))
+        else:
+            # No username/password were entered, therefore we
+            # only support connections with no authentication.
+            self.sendall(struct.pack('BBB', 0x05, 0x01, 0x00))
+        # We'll receive the server's response to determine which
+        # method was selected
+        chosenauth = self.__recvall(2)
+        if chosenauth[0:1] != chr(0x05).encode():
+            self.close()
+            raise GeneralProxyError((1, _generalerrors[1]))
+        # Check the chosen authentication method
+        if chosenauth[1:2] == chr(0x00).encode():
+            # No authentication is required
+            pass
+        elif chosenauth[1:2] == chr(0x02).encode():
+            # Okay, we need to perform a basic username/password
+            # authentication.
+            self.sendall(chr(0x01).encode() + chr(len(self.__proxy[4])) + self.__proxy[4] + chr(len(self.__proxy[5])) + self.__proxy[5])
+            authstat = self.__recvall(2)
+            if authstat[0:1] != chr(0x01).encode():
+                # Bad response
+                self.close()
+                raise GeneralProxyError((1, _generalerrors[1]))
+            if authstat[1:2] != chr(0x00).encode():
+                # Authentication failed
+                self.close()
+                raise Socks5AuthError((3, _socks5autherrors[3]))
+            # Authentication succeeded
+        else:
+            # Reaching here is always bad
+            self.close()
+            if chosenauth[1] == chr(0xFF).encode():
+                raise Socks5AuthError((2, _socks5autherrors[2]))
+            else:
+                raise GeneralProxyError((1, _generalerrors[1]))
+        # Now we can request the actual connection
+        req = struct.pack('BBB', 0x05, 0x01, 0x00)
+        # If the given destination address is an IP address, we'll
+        # use the IPv4 address request even if remote resolving was specified.
+        try:
+            ipaddr = socket.inet_aton(destaddr)
+            req = req + chr(0x01).encode() + ipaddr
+        except socket.error:
+            # Well it's not an IP number,  so it's probably a DNS name.
+            if self.__proxy[3]:
+                # Resolve remotely
+                ipaddr = None
+                req = req + chr(0x03).encode() + chr(len(destaddr)).encode() + destaddr
+            else:
+                # Resolve locally
+                ipaddr = socket.inet_aton(socket.gethostbyname(destaddr))
+                req = req + chr(0x01).encode() + ipaddr
+        req = req + struct.pack(">H", destport)
+        self.sendall(req)
+        # Get the response
+        resp = self.__recvall(4)
+        if resp[0:1] != chr(0x05).encode():
+            self.close()
+            raise GeneralProxyError((1, _generalerrors[1]))
+        elif resp[1:2] != chr(0x00).encode():
+            # Connection failed
+            self.close()
+            if ord(resp[1:2])<=8:
+                raise Socks5Error((ord(resp[1:2]), _socks5errors[ord(resp[1:2])]))
+            else:
+                raise Socks5Error((9, _socks5errors[9]))
+        # Get the bound address/port
+        elif resp[3:4] == chr(0x01).encode():
+            boundaddr = self.__recvall(4)
+        elif resp[3:4] == chr(0x03).encode():
+            resp = resp + self.recv(1)
+            boundaddr = self.__recvall(ord(resp[4:5]))
+        else:
+            self.close()
+            raise GeneralProxyError((1,_generalerrors[1]))
+        boundport = struct.unpack(">H", self.__recvall(2))[0]
+        self.__proxysockname = (boundaddr, boundport)
+        if ipaddr != None:
+            self.__proxypeername = (socket.inet_ntoa(ipaddr), destport)
+        else:
+            self.__proxypeername = (destaddr, destport)
+
+    def getproxysockname(self):
+        """getsockname() -> address info
+        Returns the bound IP address and port number at the proxy.
+        """
+        return self.__proxysockname
+
+    def getproxypeername(self):
+        """getproxypeername() -> address info
+        Returns the IP and port number of the proxy.
+        """
+        return _orgsocket.getpeername(self)
+
+    def getpeername(self):
+        """getpeername() -> address info
+        Returns the IP address and port number of the destination
+        machine (note: getproxypeername returns the proxy)
+        """
+        return self.__proxypeername
+
+    def __negotiatesocks4(self,destaddr,destport):
+        """__negotiatesocks4(self,destaddr,destport)
+        Negotiates a connection through a SOCKS4 server.
+        """
+        # Check if the destination address provided is an IP address
+        rmtrslv = False
+        try:
+            ipaddr = socket.inet_aton(destaddr)
+        except socket.error:
+            # It's a DNS name. Check where it should be resolved.
+            if self.__proxy[3]:
+                ipaddr = struct.pack("BBBB", 0x00, 0x00, 0x00, 0x01)
+                rmtrslv = True
+            else:
+                ipaddr = socket.inet_aton(socket.gethostbyname(destaddr))
+        # Construct the request packet
+        req = struct.pack(">BBH", 0x04, 0x01, destport) + ipaddr
+        # The username parameter is considered userid for SOCKS4
+        if self.__proxy[4] != None:
+            req = req + self.__proxy[4]
+        req = req + chr(0x00).encode()
+        # DNS name if remote resolving is required
+        # NOTE: This is actually an extension to the SOCKS4 protocol
+        # called SOCKS4A and may not be supported in all cases.
+        if rmtrslv:
+            req = req + destaddr + chr(0x00).encode()
+        self.sendall(req)
+        # Get the response from the server
+        resp = self.__recvall(8)
+        if resp[0:1] != chr(0x00).encode():
+            # Bad data
+            self.close()
+            raise GeneralProxyError((1,_generalerrors[1]))
+        if resp[1:2] != chr(0x5A).encode():
+            # Server returned an error
+            self.close()
+            if ord(resp[1:2]) in (91, 92, 93):
+                self.close()
+                raise Socks4Error((ord(resp[1:2]), _socks4errors[ord(resp[1:2]) - 90]))
+            else:
+                raise Socks4Error((94, _socks4errors[4]))
+        # Get the bound address/port
+        self.__proxysockname = (socket.inet_ntoa(resp[4:]), struct.unpack(">H", resp[2:4])[0])
+        if rmtrslv != None:
+            self.__proxypeername = (socket.inet_ntoa(ipaddr), destport)
+        else:
+            self.__proxypeername = (destaddr, destport)
+
+    def __negotiatehttp(self, destaddr, destport):
+        """__negotiatehttp(self,destaddr,destport)
+        Negotiates a connection through an HTTP server.
+        """
+        # If we need to resolve locally, we do this now
+        if not self.__proxy[3]:
+            addr = socket.gethostbyname(destaddr)
+        else:
+            addr = destaddr
+        headers =  ["CONNECT ", addr, ":", str(destport), " HTTP/1.1\r\n"]
+        headers += ["Host: ", destaddr, "\r\n"]
+        if (self.__proxy[4] != None and self.__proxy[5] != None):
+                headers += [self.__getauthheader(), "\r\n"]
+        headers.append("\r\n")
+        self.sendall("".join(headers).encode())
+        # We read the response until we get the string "\r\n\r\n"
+        resp = self.recv(1)
+        while resp.find("\r\n\r\n".encode()) == -1:
+            resp = resp + self.recv(1)
+        # We just need the first line to check if the connection
+        # was successful
+        statusline = resp.splitlines()[0].split(" ".encode(), 2)
+        if statusline[0] not in ("HTTP/1.0".encode(), "HTTP/1.1".encode()):
+            self.close()
+            raise GeneralProxyError((1, _generalerrors[1]))
+        try:
+            statuscode = int(statusline[1])
+        except ValueError:
+            self.close()
+            raise GeneralProxyError((1, _generalerrors[1]))
+        if statuscode != 200:
+            self.close()
+            raise HTTPError((statuscode, statusline[2]))
+        self.__proxysockname = ("0.0.0.0", 0)
+        self.__proxypeername = (addr, destport)
+
+    def connect(self, destpair):
+        """connect(self, despair)
+        Connects to the specified destination through a proxy.
+        destpar - A tuple of the IP/DNS address and the port number.
+        (identical to socket's connect).
+        To select the proxy server use setproxy().
+        """
+        # Do a minimal input check first
+        if (not type(destpair) in (list,tuple)) or (len(destpair) < 2) or (not isinstance(destpair[0], basestring)) or (type(destpair[1]) != int):
+            raise GeneralProxyError((5, _generalerrors[5]))
+        if self.__proxy[0] == PROXY_TYPE_SOCKS5:
+            if self.__proxy[2] != None:
+                portnum = self.__proxy[2]
+            else:
+                portnum = 1080
+            _orgsocket.connect(self, (self.__proxy[1], portnum))
+            self.__negotiatesocks5(destpair[0], destpair[1])
+        elif self.__proxy[0] == PROXY_TYPE_SOCKS4:
+            if self.__proxy[2] != None:
+                portnum = self.__proxy[2]
+            else:
+                portnum = 1080
+            _orgsocket.connect(self,(self.__proxy[1], portnum))
+            self.__negotiatesocks4(destpair[0], destpair[1])
+        elif self.__proxy[0] == PROXY_TYPE_HTTP:
+            if self.__proxy[2] != None:
+                portnum = self.__proxy[2]
+            else:
+                portnum = 8080
+            _orgsocket.connect(self,(self.__proxy[1], portnum))
+            self.__negotiatehttp(destpair[0], destpair[1])
+        elif self.__proxy[0] == PROXY_TYPE_HTTP_NO_TUNNEL:
+            if self.__proxy[2] != None:
+                portnum = self.__proxy[2]
+            else:
+                portnum = 8080
+            _orgsocket.connect(self,(self.__proxy[1],portnum))
+            if destpair[1] == 443:
+                self.__negotiatehttp(destpair[0],destpair[1])
+            else:
+                self.__httptunnel = False
+        elif self.__proxy[0] == None:
+            _orgsocket.connect(self, (destpair[0], destpair[1]))
+        else:
+            raise GeneralProxyError((4, _generalerrors[4]))

scripts/httplib2/test/brokensocket/socket.py

@@ -0,0 +1 @@
+from realsocket import gaierror, error, getaddrinfo, SOCK_STREAM

scripts/httplib2/test/functional/test_proxies.py

@@ -0,0 +1,88 @@
+import unittest
+import errno
+import os
+import signal
+import subprocess
+import tempfile
+
+import nose
+
+import httplib2
+from httplib2 import socks
+from httplib2.test import miniserver
+
+tinyproxy_cfg = """
+User "%(user)s"
+Port %(port)s
+Listen 127.0.0.1
+PidFile "%(pidfile)s"
+LogFile "%(logfile)s"
+MaxClients 2
+StartServers 1
+LogLevel Info
+"""
+
+
+class FunctionalProxyHttpTest(unittest.TestCase):
+    def setUp(self):
+        if not socks:
+            raise nose.SkipTest('socks module unavailable')
+        if not subprocess:
+            raise nose.SkipTest('subprocess module unavailable')
+
+        # start a short-lived miniserver so we can get a likely port
+        # for the proxy
+        self.httpd, self.proxyport = miniserver.start_server(
+            miniserver.ThisDirHandler)
+        self.httpd.shutdown()
+        self.httpd, self.port = miniserver.start_server(
+            miniserver.ThisDirHandler)
+
+        self.pidfile = tempfile.mktemp()
+        self.logfile = tempfile.mktemp()
+        fd, self.conffile = tempfile.mkstemp()
+        f = os.fdopen(fd, 'w')
+        our_cfg = tinyproxy_cfg % {'user': os.getlogin(),
+                                   'pidfile': self.pidfile,
+                                   'port': self.proxyport,
+                                   'logfile': self.logfile}
+        f.write(our_cfg)
+        f.close()
+        try:
+            # TODO use subprocess.check_call when 2.4 is dropped
+            ret = subprocess.call(['tinyproxy', '-c', self.conffile])
+            self.assertEqual(0, ret)
+        except OSError, e:
+            if e.errno == errno.ENOENT:
+                raise nose.SkipTest('tinyproxy not available')
+            raise
+
+    def tearDown(self):
+        self.httpd.shutdown()
+        try:
+            pid = int(open(self.pidfile).read())
+            os.kill(pid, signal.SIGTERM)
+        except OSError, e:
+            if e.errno == errno.ESRCH:
+                print '\n\n\nTinyProxy Failed to start, log follows:'
+                print open(self.logfile).read()
+                print 'end tinyproxy log\n\n\n'
+            raise
+        map(os.unlink, (self.pidfile,
+                        self.logfile,
+                        self.conffile))
+
+    def testSimpleProxy(self):
+        proxy_info = httplib2.ProxyInfo(socks.PROXY_TYPE_HTTP,
+                                        'localhost', self.proxyport)
+        client = httplib2.Http(proxy_info=proxy_info)
+        src = 'miniserver.py'
+        response, body = client.request('http://localhost:%d/%s' %
+                                        (self.port, src))
+        self.assertEqual(response.status, 200)
+        self.assertEqual(body, open(os.path.join(miniserver.HERE, src)).read())
+        lf = open(self.logfile).read()
+        expect = ('Established connection to host "127.0.0.1" '
+                  'using file descriptor')
+        self.assertTrue(expect in lf,
+                        'tinyproxy did not proxy a request for miniserver')

scripts/httplib2/test/miniserver.py

@@ -0,0 +1,100 @@
+import logging
+import os
+import select
+import SimpleHTTPServer
+import SocketServer
+import threading
+
+HERE = os.path.dirname(__file__)
+logger = logging.getLogger(__name__)
+
+
+class ThisDirHandler(SimpleHTTPServer.SimpleHTTPRequestHandler):
+    def translate_path(self, path):
+        path = path.split('?', 1)[0].split('#', 1)[0]
+        return os.path.join(HERE, *filter(None, path.split('/')))
+
+    def log_message(self, s, *args):
+        # output via logging so nose can catch it
+        logger.info(s, *args)
+
+
+class ShutdownServer(SocketServer.TCPServer):
+    """Mixin that allows serve_forever to be shut down.
+
+    The methods in this mixin are backported from SocketServer.py in the Python
+    2.6.4 standard library. The mixin is unnecessary in 2.6 and later, when
+    BaseServer supports the shutdown method directly.
+    """
+
+    def __init__(self, *args, **kwargs):
+        SocketServer.TCPServer.__init__(self, *args, **kwargs)
+        self.__is_shut_down = threading.Event()
+        self.__serving = False
+
+    def serve_forever(self, poll_interval=0.1):
+        """Handle one request at a time until shutdown.
+
+        Polls for shutdown every poll_interval seconds. Ignores
+        self.timeout. If you need to do periodic tasks, do them in
+        another thread.
+        """
+        self.__serving = True
+        self.__is_shut_down.clear()
+        while self.__serving:
+            r, w, e = select.select([self.socket], [], [], poll_interval)
+            if r:
+                self._handle_request_noblock()
+        self.__is_shut_down.set()
+
+    def shutdown(self):
+        """Stops the serve_forever loop.
+
+        Blocks until the loop has finished. This must be called while
+        serve_forever() is running in another thread, or it will deadlock.
+        """
+        self.__serving = False
+        self.__is_shut_down.wait()
+
+    def handle_request(self):
+        """Handle one request, possibly blocking.
+
+        Respects self.timeout.
+        """
+        # Support people who used socket.settimeout() to escape
+        # handle_request before self.timeout was available.
+        timeout = self.socket.gettimeout()
+        if timeout is None:
+            timeout = self.timeout
+        elif self.timeout is not None:
+            timeout = min(timeout, self.timeout)
+        fd_sets = select.select([self], [], [], timeout)
+        if not fd_sets[0]:
+            self.handle_timeout()
+            return
+        self._handle_request_noblock()
+
+    def _handle_request_noblock(self):
+        """Handle one request, without blocking.
+
+        I assume that select.select has returned that the socket is
+        readable before this function was called, so there should be
+        no risk of blocking in get_request().
+        """
+        try:
+            request, client_address = self.get_request()
+        except socket.error:
+            return
+        if self.verify_request(request, client_address):
+            try:
+                self.process_request(request, client_address)
+            except:
+                self.handle_error(request, client_address)
+                self.close_request(request)
+
+
+def start_server(handler):
+    httpd = ShutdownServer(("", 0), handler)
+    threading.Thread(target=httpd.serve_forever).start()
+    _, port = httpd.socket.getsockname()
+    return httpd, port

scripts/httplib2/test/other_cacerts.txt

@@ -0,0 +1,70 @@
+# Certifcate Authority certificates for validating SSL connections.
+#
+# This file contains PEM format certificates generated from
+# http://mxr.mozilla.org/seamonkey/source/security/nss/lib/ckfw/builtins/certdata.txt
+#
+# ***** BEGIN LICENSE BLOCK *****
+# Version: MPL 1.1/GPL 2.0/LGPL 2.1
+#
+# The contents of this file are subject to the Mozilla Public License Version
+# 1.1 (the "License"); you may not use this file except in compliance with
+# the License. You may obtain a copy of the License at
+# http://www.mozilla.org/MPL/
+#
+# Software distributed under the License is distributed on an "AS IS" basis,
+# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+# for the specific language governing rights and limitations under the
+# License.
+#
+# The Original Code is the Netscape security libraries.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corporation.
+# Portions created by the Initial Developer are Copyright (C) 1994-2000
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#
+# Alternatively, the contents of this file may be used under the terms of
+# either the GNU General Public License Version 2 or later (the "GPL"), or
+# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+# in which case the provisions of the GPL or the LGPL are applicable instead
+# of those above. If you wish to allow use of your version of this file only
+# under the terms of either the GPL or the LGPL, and not to allow others to
+# use your version of this file under the terms of the MPL, indicate your
+# decision by deleting the provisions above and replace them with the notice
+# and other provisions required by the GPL or the LGPL. If you do not delete
+# the provisions above, a recipient may use your version of this file under
+# the terms of any one of the MPL, the GPL or the LGPL.
+#
+# ***** END LICENSE BLOCK *****
+
+
+Comodo CA Limited, CN=Trusted Certificate Services
+==================================================
+
+-----BEGIN CERTIFICATE-----
+MIIEQzCCAyugAwIBAgIBATANBgkqhkiG9w0BAQUFADB/MQswCQYDVQQGEwJHQjEb
+MBkGA1UECAwSR3JlYXRlciBNYW5jaGVzdGVyMRAwDgYDVQQHDAdTYWxmb3JkMRow
+GAYDVQQKDBFDb21vZG8gQ0EgTGltaXRlZDElMCMGA1UEAwwcVHJ1c3RlZCBDZXJ0
+aWZpY2F0ZSBTZXJ2aWNlczAeFw0wNDAxMDEwMDAwMDBaFw0yODEyMzEyMzU5NTla
+MH8xCzAJBgNVBAYTAkdCMRswGQYDVQQIDBJHcmVhdGVyIE1hbmNoZXN0ZXIxEDAO
+BgNVBAcMB1NhbGZvcmQxGjAYBgNVBAoMEUNvbW9kbyBDQSBMaW1pdGVkMSUwIwYD
+VQQDDBxUcnVzdGVkIENlcnRpZmljYXRlIFNlcnZpY2VzMIIBIjANBgkqhkiG9w0B
+AQEFAAOCAQ8AMIIBCgKCAQEA33FvNlhTWvI2VFeAxHQIIO0Yfyod5jWaHiWsnOWW
+fnJSoBVC21ndZHoa0Lh73TkVvFVIxO06AOoxEbrycXQaZ7jPM8yoMa+j49d/vzMt
+TGo87IvDktJTdyR0nAducPy9C1t2ul/y/9c3S0pgePfw+spwtOpZqqPOSC+pw7IL
+fhdyFgymBwwbOM/JYrc/oJOlh0Hyt3BAd9i+FHzjqMB6juljatEPmsbS9Is6FARW
+1O24zG71++IsWL1/T2sr92AkWCTOJu80kTrV44HQsvAEAtdbtz6SrGsSivnkBbA7
+kUlcsutT6vifR4buv5XAwAaf0lteERv0xwQ1KdJVXOTt6wIDAQABo4HJMIHGMB0G
+A1UdDgQWBBTFe1i97doladL3WRaoszLAeydb9DAOBgNVHQ8BAf8EBAMCAQYwDwYD
+VR0TAQH/BAUwAwEB/zCBgwYDVR0fBHwwejA8oDqgOIY2aHR0cDovL2NybC5jb21v
+ZG9jYS5jb20vVHJ1c3RlZENlcnRpZmljYXRlU2VydmljZXMuY3JsMDqgOKA2hjRo
+dHRwOi8vY3JsLmNvbW9kby5uZXQvVHJ1c3RlZENlcnRpZmljYXRlU2VydmljZXMu
+Y3JsMA0GCSqGSIb3DQEBBQUAA4IBAQDIk4E7ibSvuIQSTI3S8NtwuleGFTQQuS9/
+HrCoiWChisJ3DFBKmwCL2Iv0QeLQg4pKHBQGsKNoBXAxMKdTmw7pSqBYaWcOrp32
+pSxBvzwGa+RZzG0Q8ZZvH9/0BAKkn0U+yNj6NkZEUD+Cl5EfKNsYEYwq5GWDVxIS
+jBc/lDb+XbDABHcTuPQV1T84zJQ6VdCsmPW6AF/ghhmBeC8owH7TzEIK9a5QoNE+
+xqFx7D+gIIxmOom0jtTYsU0lR+4viMi14QVFwL4Ucd56/Y57fU0IlqUSc/Atyjcn
+dBInTMu2l+nZrghtWjlA3QVHdWpaIbOjGM9O9y5Xt5hwXsjEeLBi
+-----END CERTIFICATE-----

scripts/httplib2/test/smoke_test.py

@@ -0,0 +1,23 @@
+import os
+import unittest
+
+import httplib2
+
+from httplib2.test import miniserver
+
+
+class HttpSmokeTest(unittest.TestCase):
+    def setUp(self):
+        self.httpd, self.port = miniserver.start_server(
+            miniserver.ThisDirHandler)
+
+    def tearDown(self):
+        self.httpd.shutdown()
+
+    def testGetFile(self):
+        client = httplib2.Http()
+        src = 'miniserver.py'
+        response, body = client.request('http://localhost:%d/%s' %
+                                        (self.port, src))
+        self.assertEqual(response.status, 200)
+        self.assertEqual(body, open(os.path.join(miniserver.HERE, src)).read())

scripts/httplib2/test/test_no_socket.py

@@ -0,0 +1,24 @@
+"""Tests for httplib2 when the socket module is missing.
+
+This helps ensure compatibility with environments such as AppEngine.
+"""
+import os
+import sys
+import unittest
+
+import httplib2
+
+class MissingSocketTest(unittest.TestCase):
+    def setUp(self):
+        self._oldsocks = httplib2.socks
+        httplib2.socks = None
+
+    def tearDown(self):
+        httplib2.socks = self._oldsocks
+
+    def testProxyDisabled(self):
+        proxy_info = httplib2.ProxyInfo('blah',
+                                        'localhost', 0)
+        client = httplib2.Http(proxy_info=proxy_info)
+        self.assertRaises(httplib2.ProxiesUnavailableError,
+                          client.request, 'http://localhost:-1/')

scripts/oauth2client/__init__.py

@@ -0,0 +1,5 @@
+__version__ = "1.1"
+
+GOOGLE_AUTH_URI = 'https://accounts.google.com/o/oauth2/auth'
+GOOGLE_REVOKE_URI = 'https://accounts.google.com/o/oauth2/revoke'
+GOOGLE_TOKEN_URI = 'https://accounts.google.com/o/oauth2/token'

scripts/oauth2client/anyjson.py

@@ -0,0 +1,32 @@
+# Copyright (C) 2010 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Utility module to import a JSON module
+
+Hides all the messy details of exactly where
+we get a simplejson module from.
+"""
+
+__author__ = 'jcgregorio@google.com (Joe Gregorio)'
+
+
+try: # pragma: no cover
+  # Should work for Python2.6 and higher.
+  import json as simplejson
+except ImportError: # pragma: no cover
+  try:
+    import simplejson
+  except ImportError:
+    # Try to import from django, should work on App Engine
+    from django.utils import simplejson

scripts/oauth2client/appengine.py

@@ -0,0 +1,896 @@
+# Copyright (C) 2010 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Utilities for Google App Engine
+
+Utilities for making it easier to use OAuth 2.0 on Google App Engine.
+"""
+
+__author__ = 'jcgregorio@google.com (Joe Gregorio)'
+
+import base64
+import cgi
+import httplib2
+import logging
+import os
+import pickle
+import time
+
+from google.appengine.api import app_identity
+from google.appengine.api import memcache
+from google.appengine.api import users
+from google.appengine.ext import db
+from google.appengine.ext import webapp
+from google.appengine.ext.webapp.util import login_required
+from google.appengine.ext.webapp.util import run_wsgi_app
+from oauth2client import GOOGLE_AUTH_URI
+from oauth2client import GOOGLE_REVOKE_URI
+from oauth2client import GOOGLE_TOKEN_URI
+from oauth2client import clientsecrets
+from oauth2client import util
+from oauth2client import xsrfutil
+from oauth2client.anyjson import simplejson
+from oauth2client.client import AccessTokenRefreshError
+from oauth2client.client import AssertionCredentials
+from oauth2client.client import Credentials
+from oauth2client.client import Flow
+from oauth2client.client import OAuth2WebServerFlow
+from oauth2client.client import Storage
+
+# TODO(dhermes): Resolve import issue.
+# This is a temporary fix for a Google internal issue.
+try:
+  from google.appengine.ext import ndb
+except ImportError:
+  ndb = None
+
+
+logger = logging.getLogger(__name__)
+
+OAUTH2CLIENT_NAMESPACE = 'oauth2client#ns'
+
+XSRF_MEMCACHE_ID = 'xsrf_secret_key'
+
+
+def _safe_html(s):
+  """Escape text to make it safe to display.
+
+  Args:
+    s: string, The text to escape.
+
+  Returns:
+    The escaped text as a string.
+  """
+  return cgi.escape(s, quote=1).replace("'", ''')
+
+
+class InvalidClientSecretsError(Exception):
+  """The client_secrets.json file is malformed or missing required fields."""
+
+
+class InvalidXsrfTokenError(Exception):
+  """The XSRF token is invalid or expired."""
+
+
+class SiteXsrfSecretKey(db.Model):
+  """Storage for the sites XSRF secret key.
+
+  There will only be one instance stored of this model, the one used for the
+  site.
+  """
+  secret = db.StringProperty()
+
+if ndb is not None:
+  class SiteXsrfSecretKeyNDB(ndb.Model):
+    """NDB Model for storage for the sites XSRF secret key.
+
+    Since this model uses the same kind as SiteXsrfSecretKey, it can be used
+    interchangeably. This simply provides an NDB model for interacting with the
+    same data the DB model interacts with.
+
+    There should only be one instance stored of this model, the one used for the
+    site.
+    """
+    secret = ndb.StringProperty()
+
+    @classmethod
+    def _get_kind(cls):
+      """Return the kind name for this class."""
+      return 'SiteXsrfSecretKey'
+
+
+def _generate_new_xsrf_secret_key():
+  """Returns a random XSRF secret key.
+  """
+  return os.urandom(16).encode("hex")
+
+
+def xsrf_secret_key():
+  """Return the secret key for use for XSRF protection.
+
+  If the Site entity does not have a secret key, this method will also create
+  one and persist it.
+
+  Returns:
+    The secret key.
+  """
+  secret = memcache.get(XSRF_MEMCACHE_ID, namespace=OAUTH2CLIENT_NAMESPACE)
+  if not secret:
+    # Load the one and only instance of SiteXsrfSecretKey.
+    model = SiteXsrfSecretKey.get_or_insert(key_name='site')
+    if not model.secret:
+      model.secret = _generate_new_xsrf_secret_key()
+      model.put()
+    secret = model.secret
+    memcache.add(XSRF_MEMCACHE_ID, secret, namespace=OAUTH2CLIENT_NAMESPACE)
+
+  return str(secret)
+
+
+class AppAssertionCredentials(AssertionCredentials):
+  """Credentials object for App Engine Assertion Grants
+
+  This object will allow an App Engine application to identify itself to Google
+  and other OAuth 2.0 servers that can verify assertions. It can be used for the
+  purpose of accessing data stored under an account assigned to the App Engine
+  application itself.
+
+  This credential does not require a flow to instantiate because it represents
+  a two legged flow, and therefore has all of the required information to
+  generate and refresh its own access tokens.
+  """
+
+  @util.positional(2)
+  def __init__(self, scope, **kwargs):
+    """Constructor for AppAssertionCredentials
+
+    Args:
+      scope: string or iterable of strings, scope(s) of the credentials being
+        requested.
+    """
+    self.scope = util.scopes_to_string(scope)
+
+    # Assertion type is no longer used, but still in the parent class signature.
+    super(AppAssertionCredentials, self).__init__(None)
+
+  @classmethod
+  def from_json(cls, json):
+    data = simplejson.loads(json)
+    return AppAssertionCredentials(data['scope'])
+
+  def _refresh(self, http_request):
+    """Refreshes the access_token.
+
+    Since the underlying App Engine app_identity implementation does its own
+    caching we can skip all the storage hoops and just to a refresh using the
+    API.
+
+    Args:
+      http_request: callable, a callable that matches the method signature of
+        httplib2.Http.request, used to make the refresh request.
+
+    Raises:
+      AccessTokenRefreshError: When the refresh fails.
+    """
+    try:
+      scopes = self.scope.split()
+      (token, _) = app_identity.get_access_token(scopes)
+    except app_identity.Error, e:
+      raise AccessTokenRefreshError(str(e))
+    self.access_token = token
+
+
+class FlowProperty(db.Property):
+  """App Engine datastore Property for Flow.
+
+  Utility property that allows easy storage and retrieval of an
+  oauth2client.Flow"""
+
+  # Tell what the user type is.
+  data_type = Flow
+
+  # For writing to datastore.
+  def get_value_for_datastore(self, model_instance):
+    flow = super(FlowProperty,
+                 self).get_value_for_datastore(model_instance)
+    return db.Blob(pickle.dumps(flow))
+
+  # For reading from datastore.
+  def make_value_from_datastore(self, value):
+    if value is None:
+      return None
+    return pickle.loads(value)
+
+  def validate(self, value):
+    if value is not None and not isinstance(value, Flow):
+      raise db.BadValueError('Property %s must be convertible '
+                          'to a FlowThreeLegged instance (%s)' %
+                          (self.name, value))
+    return super(FlowProperty, self).validate(value)
+
+  def empty(self, value):
+    return not value
+
+
+if ndb is not None:
+  class FlowNDBProperty(ndb.PickleProperty):
+    """App Engine NDB datastore Property for Flow.
+
+    Serves the same purpose as the DB FlowProperty, but for NDB models. Since
+    PickleProperty inherits from BlobProperty, the underlying representation of
+    the data in the datastore will be the same as in the DB case.
+
+    Utility property that allows easy storage and retrieval of an
+    oauth2client.Flow
+    """
+
+    def _validate(self, value):
+      """Validates a value as a proper Flow object.
+
+      Args:
+        value: A value to be set on the property.
+
+      Raises:
+        TypeError if the value is not an instance of Flow.
+      """
+      logger.info('validate: Got type %s', type(value))
+      if value is not None and not isinstance(value, Flow):
+        raise TypeError('Property %s must be convertible to a flow '
+                        'instance; received: %s.' % (self._name, value))
+
+
+class CredentialsProperty(db.Property):
+  """App Engine datastore Property for Credentials.
+
+  Utility property that allows easy storage and retrieval of
+  oath2client.Credentials
+  """
+
+  # Tell what the user type is.
+  data_type = Credentials
+
+  # For writing to datastore.
+  def get_value_for_datastore(self, model_instance):
+    logger.info("get: Got type " + str(type(model_instance)))
+    cred = super(CredentialsProperty,
+                 self).get_value_for_datastore(model_instance)
+    if cred is None:
+      cred = ''
+    else:
+      cred = cred.to_json()
+    return db.Blob(cred)
+
+  # For reading from datastore.
+  def make_value_from_datastore(self, value):
+    logger.info("make: Got type " + str(type(value)))
+    if value is None:
+      return None
+    if len(value) == 0:
+      return None
+    try:
+      credentials = Credentials.new_from_json(value)
+    except ValueError:
+      credentials = None
+    return credentials
+
+  def validate(self, value):
+    value = super(CredentialsProperty, self).validate(value)
+    logger.info("validate: Got type " + str(type(value)))
+    if value is not None and not isinstance(value, Credentials):
+      raise db.BadValueError('Property %s must be convertible '
+                          'to a Credentials instance (%s)' %
+                            (self.name, value))
+    #if value is not None and not isinstance(value, Credentials):
+    #  return None
+    return value
+
+
+if ndb is not None:
+  # TODO(dhermes): Turn this into a JsonProperty and overhaul the Credentials
+  #                and subclass mechanics to use new_from_dict, to_dict,
+  #                from_dict, etc.
+  class CredentialsNDBProperty(ndb.BlobProperty):
+    """App Engine NDB datastore Property for Credentials.
+
+    Serves the same purpose as the DB CredentialsProperty, but for NDB models.
+    Since CredentialsProperty stores data as a blob and this inherits from
+    BlobProperty, the data in the datastore will be the same as in the DB case.
+
+    Utility property that allows easy storage and retrieval of Credentials and
+    subclasses.
+    """
+    def _validate(self, value):
+      """Validates a value as a proper credentials object.
+
+      Args:
+        value: A value to be set on the property.
+
+      Raises:
+        TypeError if the value is not an instance of Credentials.
+      """
+      logger.info('validate: Got type %s', type(value))
+      if value is not None and not isinstance(value, Credentials):
+        raise TypeError('Property %s must be convertible to a credentials '
+                        'instance; received: %s.' % (self._name, value))
+
+    def _to_base_type(self, value):
+      """Converts our validated value to a JSON serialized string.
+
+      Args:
+        value: A value to be set in the datastore.
+
+      Returns:
+        A JSON serialized version of the credential, else '' if value is None.
+      """
+      if value is None:
+        return ''
+      else:
+        return value.to_json()
+
+    def _from_base_type(self, value):
+      """Converts our stored JSON string back to the desired type.
+
+      Args:
+        value: A value from the datastore to be converted to the desired type.
+
+      Returns:
+        A deserialized Credentials (or subclass) object, else None if the
+            value can't be parsed.
+      """
+      if not value:
+        return None
+      try:
+        # Uses the from_json method of the implied class of value
+        credentials = Credentials.new_from_json(value)
+      except ValueError:
+        credentials = None
+      return credentials
+
+
+class StorageByKeyName(Storage):
+  """Store and retrieve a credential to and from the App Engine datastore.
+
+  This Storage helper presumes the Credentials have been stored as a
+  CredentialsProperty or CredentialsNDBProperty on a datastore model class, and
+  that entities are stored by key_name.
+  """
+
+  @util.positional(4)
+  def __init__(self, model, key_name, property_name, cache=None):
+    """Constructor for Storage.
+
+    Args:
+      model: db.Model or ndb.Model, model class
+      key_name: string, key name for the entity that has the credentials
+      property_name: string, name of the property that is a CredentialsProperty
+        or CredentialsNDBProperty.
+      cache: memcache, a write-through cache to put in front of the datastore.
+        If the model you are using is an NDB model, using a cache will be
+        redundant since the model uses an instance cache and memcache for you.
+    """
+    self._model = model
+    self._key_name = key_name
+    self._property_name = property_name
+    self._cache = cache
+
+  def _is_ndb(self):
+    """Determine whether the model of the instance is an NDB model.
+
+    Returns:
+      Boolean indicating whether or not the model is an NDB or DB model.
+    """
+    # issubclass will fail if one of the arguments is not a class, only need
+    # worry about new-style classes since ndb and db models are new-style
+    if isinstance(self._model, type):
+      if ndb is not None and issubclass(self._model, ndb.Model):
+        return True
+      elif issubclass(self._model, db.Model):
+        return False
+
+    raise TypeError('Model class not an NDB or DB model: %s.' % (self._model,))
+
+  def _get_entity(self):
+    """Retrieve entity from datastore.
+
+    Uses a different model method for db or ndb models.
+
+    Returns:
+      Instance of the model corresponding to the current storage object
+          and stored using the key name of the storage object.
+    """
+    if self._is_ndb():
+      return self._model.get_by_id(self._key_name)
+    else:
+      return self._model.get_by_key_name(self._key_name)
+
+  def _delete_entity(self):
+    """Delete entity from datastore.
+
+    Attempts to delete using the key_name stored on the object, whether or not
+    the given key is in the datastore.
+    """
+    if self._is_ndb():
+      ndb.Key(self._model, self._key_name).delete()
+    else:
+      entity_key = db.Key.from_path(self._model.kind(), self._key_name)
+      db.delete(entity_key)
+
+  def locked_get(self):
+    """Retrieve Credential from datastore.
+
+    Returns:
+      oauth2client.Credentials
+    """
+    if self._cache:
+      json = self._cache.get(self._key_name)
+      if json:
+        return Credentials.new_from_json(json)
+
+    credentials = None
+    entity = self._get_entity()
+    if entity is not None:
+      credentials = getattr(entity, self._property_name)
+      if credentials and hasattr(credentials, 'set_store'):
+        credentials.set_store(self)
+        if self._cache:
+          self._cache.set(self._key_name, credentials.to_json())
+
+    return credentials
+
+  def locked_put(self, credentials):
+    """Write a Credentials to the datastore.
+
+    Args:
+      credentials: Credentials, the credentials to store.
+    """
+    entity = self._model.get_or_insert(self._key_name)
+    setattr(entity, self._property_name, credentials)
+    entity.put()
+    if self._cache:
+      self._cache.set(self._key_name, credentials.to_json())
+
+  def locked_delete(self):
+    """Delete Credential from datastore."""
+
+    if self._cache:
+      self._cache.delete(self._key_name)
+
+    self._delete_entity()
+
+
+class CredentialsModel(db.Model):
+  """Storage for OAuth 2.0 Credentials
+
+  Storage of the model is keyed by the user.user_id().
+  """
+  credentials = CredentialsProperty()
+
+
+if ndb is not None:
+  class CredentialsNDBModel(ndb.Model):
+    """NDB Model for storage of OAuth 2.0 Credentials
+
+    Since this model uses the same kind as CredentialsModel and has a property
+    which can serialize and deserialize Credentials correctly, it can be used
+    interchangeably with a CredentialsModel to access, insert and delete the
+    same entities. This simply provides an NDB model for interacting with the
+    same data the DB model interacts with.
+
+    Storage of the model is keyed by the user.user_id().
+    """
+    credentials = CredentialsNDBProperty()
+
+    @classmethod
+    def _get_kind(cls):
+      """Return the kind name for this class."""
+      return 'CredentialsModel'
+
+
+def _build_state_value(request_handler, user):
+  """Composes the value for the 'state' parameter.
+
+  Packs the current request URI and an XSRF token into an opaque string that
+  can be passed to the authentication server via the 'state' parameter.
+
+  Args:
+    request_handler: webapp.RequestHandler, The request.
+    user: google.appengine.api.users.User, The current user.
+
+  Returns:
+    The state value as a string.
+  """
+  uri = request_handler.request.url
+  token = xsrfutil.generate_token(xsrf_secret_key(), user.user_id(),
+                                  action_id=str(uri))
+  return  uri + ':' + token
+
+
+def _parse_state_value(state, user):
+  """Parse the value of the 'state' parameter.
+
+  Parses the value and validates the XSRF token in the state parameter.
+
+  Args:
+    state: string, The value of the state parameter.
+    user: google.appengine.api.users.User, The current user.
+
+  Raises:
+    InvalidXsrfTokenError: if the XSRF token is invalid.
+
+  Returns:
+    The redirect URI.
+  """
+  uri, token = state.rsplit(':', 1)
+  if not xsrfutil.validate_token(xsrf_secret_key(), token, user.user_id(),
+                                 action_id=uri):
+    raise InvalidXsrfTokenError()
+
+  return uri
+
+
+class OAuth2Decorator(object):
+  """Utility for making OAuth 2.0 easier.
+
+  Instantiate and then use with oauth_required or oauth_aware
+  as decorators on webapp.RequestHandler methods.
+
+  Example:
+
+    decorator = OAuth2Decorator(
+        client_id='837...ent.com',
+        client_secret='Qh...wwI',
+        scope='https://www.googleapis.com/auth/plus')
+
+
+    class MainHandler(webapp.RequestHandler):
+
+      @decorator.oauth_required
+      def get(self):
+        http = decorator.http()
+        # http is authorized with the user's Credentials and can be used
+        # in API calls
+
+  """
+
+  @util.positional(4)
+  def __init__(self, client_id, client_secret, scope,
+               auth_uri=GOOGLE_AUTH_URI,
+               token_uri=GOOGLE_TOKEN_URI,
+               revoke_uri=GOOGLE_REVOKE_URI,
+               user_agent=None,
+               message=None,
+               callback_path='/oauth2callback',
+               token_response_param=None,
+               **kwargs):
+
+    """Constructor for OAuth2Decorator
+
+    Args:
+      client_id: string, client identifier.
+      client_secret: string client secret.
+      scope: string or iterable of strings, scope(s) of the credentials being
+        requested.
+      auth_uri: string, URI for authorization endpoint. For convenience
+        defaults to Google's endpoints but any OAuth 2.0 provider can be used.
+      token_uri: string, URI for token endpoint. For convenience
+        defaults to Google's endpoints but any OAuth 2.0 provider can be used.
+      revoke_uri: string, URI for revoke endpoint. For convenience
+        defaults to Google's endpoints but any OAuth 2.0 provider can be used.
+      user_agent: string, User agent of your application, default to None.
+      message: Message to display if there are problems with the OAuth 2.0
+        configuration. The message may contain HTML and will be presented on the
+        web interface for any method that uses the decorator.
+      callback_path: string, The absolute path to use as the callback URI. Note
+        that this must match up with the URI given when registering the
+        application in the APIs Console.
+      token_response_param: string. If provided, the full JSON response
+        to the access token request will be encoded and included in this query
+        parameter in the callback URI. This is useful with providers (e.g.
+        wordpress.com) that include extra fields that the client may want.
+      **kwargs: dict, Keyword arguments are be passed along as kwargs to the
+        OAuth2WebServerFlow constructor.
+    """
+    self.flow = None
+    self.credentials = None
+    self._client_id = client_id
+    self._client_secret = client_secret
+    self._scope = util.scopes_to_string(scope)
+    self._auth_uri = auth_uri
+    self._token_uri = token_uri
+    self._revoke_uri = revoke_uri
+    self._user_agent = user_agent
+    self._kwargs = kwargs
+    self._message = message
+    self._in_error = False
+    self._callback_path = callback_path
+    self._token_response_param = token_response_param
+
+  def _display_error_message(self, request_handler):
+    request_handler.response.out.write('<html><body>')
+    request_handler.response.out.write(_safe_html(self._message))
+    request_handler.response.out.write('</body></html>')
+
+  def oauth_required(self, method):
+    """Decorator that starts the OAuth 2.0 dance.
+
+    Starts the OAuth dance for the logged in user if they haven't already
+    granted access for this application.
+
+    Args:
+      method: callable, to be decorated method of a webapp.RequestHandler
+        instance.
+    """
+
+    def check_oauth(request_handler, *args, **kwargs):
+      if self._in_error:
+        self._display_error_message(request_handler)
+        return
+
+      user = users.get_current_user()
+      # Don't use @login_decorator as this could be used in a POST request.
+      if not user:
+        request_handler.redirect(users.create_login_url(
+            request_handler.request.uri))
+        return
+
+      self._create_flow(request_handler)
+
+      # Store the request URI in 'state' so we can use it later
+      self.flow.params['state'] = _build_state_value(request_handler, user)
+      self.credentials = StorageByKeyName(
+          CredentialsModel, user.user_id(), 'credentials').get()
+
+      if not self.has_credentials():
+        return request_handler.redirect(self.authorize_url())
+      try:
+        return method(request_handler, *args, **kwargs)
+      except AccessTokenRefreshError:
+        return request_handler.redirect(self.authorize_url())
+
+    return check_oauth
+
+  def _create_flow(self, request_handler):
+    """Create the Flow object.
+
+    The Flow is calculated lazily since we don't know where this app is
+    running until it receives a request, at which point redirect_uri can be
+    calculated and then the Flow object can be constructed.
+
+    Args:
+      request_handler: webapp.RequestHandler, the request handler.
+    """
+    if self.flow is None:
+      redirect_uri = request_handler.request.relative_url(
+          self._callback_path) # Usually /oauth2callback
+      self.flow = OAuth2WebServerFlow(self._client_id, self._client_secret,
+                                      self._scope, redirect_uri=redirect_uri,
+                                      user_agent=self._user_agent,
+                                      auth_uri=self._auth_uri,
+                                      token_uri=self._token_uri,
+                                      revoke_uri=self._revoke_uri,
+                                      **self._kwargs)
+
+  def oauth_aware(self, method):
+    """Decorator that sets up for OAuth 2.0 dance, but doesn't do it.
+
+    Does all the setup for the OAuth dance, but doesn't initiate it.
+    This decorator is useful if you want to create a page that knows
+    whether or not the user has granted access to this application.
+    From within a method decorated with @oauth_aware the has_credentials()
+    and authorize_url() methods can be called.
+
+    Args:
+      method: callable, to be decorated method of a webapp.RequestHandler
+        instance.
+    """
+
+    def setup_oauth(request_handler, *args, **kwargs):
+      if self._in_error:
+        self._display_error_message(request_handler)
+        return
+
+      user = users.get_current_user()
+      # Don't use @login_decorator as this could be used in a POST request.
+      if not user:
+        request_handler.redirect(users.create_login_url(
+            request_handler.request.uri))
+        return
+
+      self._create_flow(request_handler)
+
+      self.flow.params['state'] = _build_state_value(request_handler, user)
+      self.credentials = StorageByKeyName(
+          CredentialsModel, user.user_id(), 'credentials').get()
+      return method(request_handler, *args, **kwargs)
+    return setup_oauth
+
+  def has_credentials(self):
+    """True if for the logged in user there are valid access Credentials.
+
+    Must only be called from with a webapp.RequestHandler subclassed method
+    that had been decorated with either @oauth_required or @oauth_aware.
+    """
+    return self.credentials is not None and not self.credentials.invalid
+
+  def authorize_url(self):
+    """Returns the URL to start the OAuth dance.
+
+    Must only be called from with a webapp.RequestHandler subclassed method
+    that had been decorated with either @oauth_required or @oauth_aware.
+    """
+    url = self.flow.step1_get_authorize_url()
+    return str(url)
+
+  def http(self):
+    """Returns an authorized http instance.
+
+    Must only be called from within an @oauth_required decorated method, or
+    from within an @oauth_aware decorated method where has_credentials()
+    returns True.
+    """
+    return self.credentials.authorize(httplib2.Http())
+
+  @property
+  def callback_path(self):
+    """The absolute path where the callback will occur.
+
+    Note this is the absolute path, not the absolute URI, that will be
+    calculated by the decorator at runtime. See callback_handler() for how this
+    should be used.
+
+    Returns:
+      The callback path as a string.
+    """
+    return self._callback_path
+
+
+  def callback_handler(self):
+    """RequestHandler for the OAuth 2.0 redirect callback.
+
+    Usage:
+       app = webapp.WSGIApplication([
+         ('/index', MyIndexHandler),
+         ...,
+         (decorator.callback_path, decorator.callback_handler())
+       ])
+
+    Returns:
+      A webapp.RequestHandler that handles the redirect back from the
+      server during the OAuth 2.0 dance.
+    """
+    decorator = self
+
+    class OAuth2Handler(webapp.RequestHandler):
+      """Handler for the redirect_uri of the OAuth 2.0 dance."""
+
+      @login_required
+      def get(self):
+        error = self.request.get('error')
+        if error:
+          errormsg = self.request.get('error_description', error)
+          self.response.out.write(
+              'The authorization request failed: %s' % _safe_html(errormsg))
+        else:
+          user = users.get_current_user()
+          decorator._create_flow(self)
+          credentials = decorator.flow.step2_exchange(self.request.params)
+          StorageByKeyName(
+              CredentialsModel, user.user_id(), 'credentials').put(credentials)
+          redirect_uri = _parse_state_value(str(self.request.get('state')),
+                                            user)
+
+          if decorator._token_response_param and credentials.token_response:
+            resp_json = simplejson.dumps(credentials.token_response)
+            redirect_uri = util._add_query_parameter(
+                redirect_uri, decorator._token_response_param, resp_json)
+
+          self.redirect(redirect_uri)
+
+    return OAuth2Handler
+
+  def callback_application(self):
+    """WSGI application for handling the OAuth 2.0 redirect callback.
+
+    If you need finer grained control use `callback_handler` which returns just
+    the webapp.RequestHandler.
+
+    Returns:
+      A webapp.WSGIApplication that handles the redirect back from the
+      server during the OAuth 2.0 dance.
+    """
+    return webapp.WSGIApplication([
+        (self.callback_path, self.callback_handler())
+        ])
+
+
+class OAuth2DecoratorFromClientSecrets(OAuth2Decorator):
+  """An OAuth2Decorator that builds from a clientsecrets file.
+
+  Uses a clientsecrets file as the source for all the information when
+  constructing an OAuth2Decorator.
+
+  Example:
+
+    decorator = OAuth2DecoratorFromClientSecrets(
+      os.path.join(os.path.dirname(__file__), 'client_secrets.json')
+      scope='https://www.googleapis.com/auth/plus')
+
+
+    class MainHandler(webapp.RequestHandler):
+
+      @decorator.oauth_required
+      def get(self):
+        http = decorator.http()
+        # http is authorized with the user's Credentials and can be used
+        # in API calls
+  """
+
+  @util.positional(3)
+  def __init__(self, filename, scope, message=None, cache=None):
+    """Constructor
+
+    Args:
+      filename: string, File name of client secrets.
+      scope: string or iterable of strings, scope(s) of the credentials being
+        requested.
+      message: string, A friendly string to display to the user if the
+        clientsecrets file is missing or invalid. The message may contain HTML
+        and will be presented on the web interface for any method that uses the
+        decorator.
+      cache: An optional cache service client that implements get() and set()
+        methods. See clientsecrets.loadfile() for details.
+    """
+    client_type, client_info = clientsecrets.loadfile(filename, cache=cache)
+    if client_type not in [
+        clientsecrets.TYPE_WEB, clientsecrets.TYPE_INSTALLED]:
+      raise InvalidClientSecretsError(
+          'OAuth2Decorator doesn\'t support this OAuth 2.0 flow.')
+    constructor_kwargs = {
+      'auth_uri': client_info['auth_uri'],
+      'token_uri': client_info['token_uri'],
+      'message': message,
+    }
+    revoke_uri = client_info.get('revoke_uri')
+    if revoke_uri is not None:
+      constructor_kwargs['revoke_uri'] = revoke_uri
+    super(OAuth2DecoratorFromClientSecrets, self).__init__(
+        client_info['client_id'], client_info['client_secret'],
+        scope, **constructor_kwargs)
+    if message is not None:
+      self._message = message
+    else:
+      self._message = 'Please configure your application for OAuth 2.0.'
+
+
+@util.positional(2)
+def oauth2decorator_from_clientsecrets(filename, scope,
+                                       message=None, cache=None):
+  """Creates an OAuth2Decorator populated from a clientsecrets file.
+
+  Args:
+    filename: string, File name of client secrets.
+    scope: string or list of strings, scope(s) of the credentials being
+      requested.
+    message: string, A friendly string to display to the user if the
+      clientsecrets file is missing or invalid. The message may contain HTML and
+      will be presented on the web interface for any method that uses the
+      decorator.
+    cache: An optional cache service client that implements get() and set()
+      methods. See clientsecrets.loadfile() for details.
+
+  Returns: An OAuth2Decorator
+
+  """
+  return OAuth2DecoratorFromClientSecrets(filename, scope,
+                                          message=message, cache=cache)

scripts/oauth2client/clientsecrets.py

@@ -0,0 +1,153 @@
+# Copyright (C) 2011 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Utilities for reading OAuth 2.0 client secret files.
+
+A client_secrets.json file contains all the information needed to interact with
+an OAuth 2.0 protected service.
+"""
+
+__author__ = 'jcgregorio@google.com (Joe Gregorio)'
+
+
+from anyjson import simplejson
+
+# Properties that make a client_secrets.json file valid.
+TYPE_WEB = 'web'
+TYPE_INSTALLED = 'installed'
+
+VALID_CLIENT = {
+    TYPE_WEB: {
+        'required': [
+            'client_id',
+            'client_secret',
+            'redirect_uris',
+            'auth_uri',
+            'token_uri',
+        ],
+        'string': [
+            'client_id',
+            'client_secret',
+        ],
+    },
+    TYPE_INSTALLED: {
+        'required': [
+            'client_id',
+            'client_secret',
+            'redirect_uris',
+            'auth_uri',
+            'token_uri',
+        ],
+        'string': [
+            'client_id',
+            'client_secret',
+        ],
+    },
+}
+
+
+class Error(Exception):
+  """Base error for this module."""
+  pass
+
+
+class InvalidClientSecretsError(Error):
+  """Format of ClientSecrets file is invalid."""
+  pass
+
+
+def _validate_clientsecrets(obj):
+  if obj is None or len(obj) != 1:
+    raise InvalidClientSecretsError('Invalid file format.')
+  client_type = obj.keys()[0]
+  if client_type not in VALID_CLIENT.keys():
+    raise InvalidClientSecretsError('Unknown client type: %s.' % client_type)
+  client_info = obj[client_type]
+  for prop_name in VALID_CLIENT[client_type]['required']:
+    if prop_name not in client_info:
+      raise InvalidClientSecretsError(
+        'Missing property "%s" in a client type of "%s".' % (prop_name,
+                                                           client_type))
+  for prop_name in VALID_CLIENT[client_type]['string']:
+    if client_info[prop_name].startswith('[['):
+      raise InvalidClientSecretsError(
+        'Property "%s" is not configured.' % prop_name)
+  return client_type, client_info
+
+
+def load(fp):
+  obj = simplejson.load(fp)
+  return _validate_clientsecrets(obj)
+
+
+def loads(s):
+  obj = simplejson.loads(s)
+  return _validate_clientsecrets(obj)
+
+
+def _loadfile(filename):
+  try:
+    fp = file(filename, 'r')
+    try:
+      obj = simplejson.load(fp)
+    finally:
+      fp.close()
+  except IOError:
+    raise InvalidClientSecretsError('File not found: "%s"' % filename)
+  return _validate_clientsecrets(obj)
+
+
+def loadfile(filename, cache=None):
+  """Loading of client_secrets JSON file, optionally backed by a cache.
+
+  Typical cache storage would be App Engine memcache service,
+  but you can pass in any other cache client that implements
+  these methods:
+    - get(key, namespace=ns)
+    - set(key, value, namespace=ns)
+
+  Usage:
+    # without caching
+    client_type, client_info = loadfile('secrets.json')
+    # using App Engine memcache service
+    from google.appengine.api import memcache
+    client_type, client_info = loadfile('secrets.json', cache=memcache)
+
+  Args:
+    filename: string, Path to a client_secrets.json file on a filesystem.
+    cache: An optional cache service client that implements get() and set()
+      methods. If not specified, the file is always being loaded from
+      a filesystem.
+
+  Raises:
+    InvalidClientSecretsError: In case of a validation error or some
+      I/O failure. Can happen only on cache miss.
+
+  Returns:
+    (client_type, client_info) tuple, as _loadfile() normally would.
+    JSON contents is validated only during first load. Cache hits are not
+    validated.
+  """
+  _SECRET_NAMESPACE = 'oauth2client:secrets#ns'
+
+  if not cache:
+    return _loadfile(filename)
+
+  obj = cache.get(filename, namespace=_SECRET_NAMESPACE)
+  if obj is None:
+    client_type, client_info = _loadfile(filename)
+    obj = {client_type: client_info}
+    cache.set(filename, obj, namespace=_SECRET_NAMESPACE)
+
+  return obj.iteritems().next()

scripts/oauth2client/crypt.py

@@ -0,0 +1,377 @@
+#!/usr/bin/python2.4
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2011 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import base64
+import hashlib
+import logging
+import time
+
+from anyjson import simplejson
+
+
+CLOCK_SKEW_SECS = 300  # 5 minutes in seconds
+AUTH_TOKEN_LIFETIME_SECS = 300  # 5 minutes in seconds
+MAX_TOKEN_LIFETIME_SECS = 86400  # 1 day in seconds
+
+
+logger = logging.getLogger(__name__)
+
+
+class AppIdentityError(Exception):
+  pass
+
+
+try:
+  from OpenSSL import crypto
+
+
+  class OpenSSLVerifier(object):
+    """Verifies the signature on a message."""
+
+    def __init__(self, pubkey):
+      """Constructor.
+
+      Args:
+        pubkey, OpenSSL.crypto.PKey, The public key to verify with.
+      """
+      self._pubkey = pubkey
+
+    def verify(self, message, signature):
+      """Verifies a message against a signature.
+
+      Args:
+        message: string, The message to verify.
+        signature: string, The signature on the message.
+
+      Returns:
+        True if message was signed by the private key associated with the public
+        key that this object was constructed with.
+      """
+      try:
+        crypto.verify(self._pubkey, signature, message, 'sha256')
+        return True
+      except:
+        return False
+
+    @staticmethod
+    def from_string(key_pem, is_x509_cert):
+      """Construct a Verified instance from a string.
+
+      Args:
+        key_pem: string, public key in PEM format.
+        is_x509_cert: bool, True if key_pem is an X509 cert, otherwise it is
+          expected to be an RSA key in PEM format.
+
+      Returns:
+        Verifier instance.
+
+      Raises:
+        OpenSSL.crypto.Error if the key_pem can't be parsed.
+      """
+      if is_x509_cert:
+        pubkey = crypto.load_certificate(crypto.FILETYPE_PEM, key_pem)
+      else:
+        pubkey = crypto.load_privatekey(crypto.FILETYPE_PEM, key_pem)
+      return OpenSSLVerifier(pubkey)
+
+
+  class OpenSSLSigner(object):
+    """Signs messages with a private key."""
+
+    def __init__(self, pkey):
+      """Constructor.
+
+      Args:
+        pkey, OpenSSL.crypto.PKey (or equiv), The private key to sign with.
+      """
+      self._key = pkey
+
+    def sign(self, message):
+      """Signs a message.
+
+      Args:
+        message: string, Message to be signed.
+
+      Returns:
+        string, The signature of the message for the given key.
+      """
+      return crypto.sign(self._key, message, 'sha256')
+
+    @staticmethod
+    def from_string(key, password='notasecret'):
+      """Construct a Signer instance from a string.
+
+      Args:
+        key: string, private key in PKCS12 or PEM format.
+        password: string, password for the private key file.
+
+      Returns:
+        Signer instance.
+
+      Raises:
+        OpenSSL.crypto.Error if the key can't be parsed.
+      """
+      if key.startswith('-----BEGIN '):
+        pkey = crypto.load_privatekey(crypto.FILETYPE_PEM, key)
+      else:
+        pkey = crypto.load_pkcs12(key, password).get_privatekey()
+      return OpenSSLSigner(pkey)
+
+except ImportError:
+  OpenSSLVerifier = None
+  OpenSSLSigner = None
+
+
+try:
+  from Crypto.PublicKey import RSA
+  from Crypto.Hash import SHA256
+  from Crypto.Signature import PKCS1_v1_5
+
+
+  class PyCryptoVerifier(object):
+    """Verifies the signature on a message."""
+
+    def __init__(self, pubkey):
+      """Constructor.
+
+      Args:
+        pubkey, OpenSSL.crypto.PKey (or equiv), The public key to verify with.
+      """
+      self._pubkey = pubkey
+
+    def verify(self, message, signature):
+      """Verifies a message against a signature.
+
+      Args:
+        message: string, The message to verify.
+        signature: string, The signature on the message.
+
+      Returns:
+        True if message was signed by the private key associated with the public
+        key that this object was constructed with.
+      """
+      try:
+        return PKCS1_v1_5.new(self._pubkey).verify(
+            SHA256.new(message), signature)
+      except:
+        return False
+
+    @staticmethod
+    def from_string(key_pem, is_x509_cert):
+      """Construct a Verified instance from a string.
+
+      Args:
+        key_pem: string, public key in PEM format.
+        is_x509_cert: bool, True if key_pem is an X509 cert, otherwise it is
+          expected to be an RSA key in PEM format.
+
+      Returns:
+        Verifier instance.
+
+      Raises:
+        NotImplementedError if is_x509_cert is true.
+      """
+      if is_x509_cert:
+        raise NotImplementedError(
+            'X509 certs are not supported by the PyCrypto library. '
+            'Try using PyOpenSSL if native code is an option.')
+      else:
+        pubkey = RSA.importKey(key_pem)
+      return PyCryptoVerifier(pubkey)
+
+
+  class PyCryptoSigner(object):
+    """Signs messages with a private key."""
+
+    def __init__(self, pkey):
+      """Constructor.
+
+      Args:
+        pkey, OpenSSL.crypto.PKey (or equiv), The private key to sign with.
+      """
+      self._key = pkey
+
+    def sign(self, message):
+      """Signs a message.
+
+      Args:
+        message: string, Message to be signed.
+
+      Returns:
+        string, The signature of the message for the given key.
+      """
+      return PKCS1_v1_5.new(self._key).sign(SHA256.new(message))
+
+    @staticmethod
+    def from_string(key, password='notasecret'):
+      """Construct a Signer instance from a string.
+
+      Args:
+        key: string, private key in PEM format.
+        password: string, password for private key file. Unused for PEM files.
+
+      Returns:
+        Signer instance.
+
+      Raises:
+        NotImplementedError if they key isn't in PEM format.
+      """
+      if key.startswith('-----BEGIN '):
+        pkey = RSA.importKey(key)
+      else:
+        raise NotImplementedError(
+            'PKCS12 format is not supported by the PyCrpto library. '
+            'Try converting to a "PEM" '
+            '(openssl pkcs12 -in xxxxx.p12 -nodes -nocerts > privatekey.pem) '
+            'or using PyOpenSSL if native code is an option.')
+      return PyCryptoSigner(pkey)
+
+except ImportError:
+  PyCryptoVerifier = None
+  PyCryptoSigner = None
+
+
+if OpenSSLSigner:
+  Signer = OpenSSLSigner
+  Verifier = OpenSSLVerifier
+elif PyCryptoSigner:
+  Signer = PyCryptoSigner
+  Verifier = PyCryptoVerifier
+else:
+  raise ImportError('No encryption library found. Please install either '
+                    'PyOpenSSL, or PyCrypto 2.6 or later')
+
+
+def _urlsafe_b64encode(raw_bytes):
+  return base64.urlsafe_b64encode(raw_bytes).rstrip('=')
+
+
+def _urlsafe_b64decode(b64string):
+  # Guard against unicode strings, which base64 can't handle.
+  b64string = b64string.encode('ascii')
+  padded = b64string + '=' * (4 - len(b64string) % 4)
+  return base64.urlsafe_b64decode(padded)
+
+
+def _json_encode(data):
+  return simplejson.dumps(data, separators = (',', ':'))
+
+
+def make_signed_jwt(signer, payload):
+  """Make a signed JWT.
+
+  See http://self-issued.info/docs/draft-jones-json-web-token.html.
+
+  Args:
+    signer: crypt.Signer, Cryptographic signer.
+    payload: dict, Dictionary of data to convert to JSON and then sign.
+
+  Returns:
+    string, The JWT for the payload.
+  """
+  header = {'typ': 'JWT', 'alg': 'RS256'}
+
+  segments = [
+          _urlsafe_b64encode(_json_encode(header)),
+          _urlsafe_b64encode(_json_encode(payload)),
+  ]
+  signing_input = '.'.join(segments)
+
+  signature = signer.sign(signing_input)
+  segments.append(_urlsafe_b64encode(signature))
+
+  logger.debug(str(segments))
+
+  return '.'.join(segments)
+
+
+def verify_signed_jwt_with_certs(jwt, certs, audience):
+  """Verify a JWT against public certs.
+
+  See http://self-issued.info/docs/draft-jones-json-web-token.html.
+
+  Args:
+    jwt: string, A JWT.
+    certs: dict, Dictionary where values of public keys in PEM format.
+    audience: string, The audience, 'aud', that this JWT should contain. If
+      None then the JWT's 'aud' parameter is not verified.
+
+  Returns:
+    dict, The deserialized JSON payload in the JWT.
+
+  Raises:
+    AppIdentityError if any checks are failed.
+  """
+  segments = jwt.split('.')
+
+  if (len(segments) != 3):
+    raise AppIdentityError(
+      'Wrong number of segments in token: %s' % jwt)
+  signed = '%s.%s' % (segments[0], segments[1])
+
+  signature = _urlsafe_b64decode(segments[2])
+
+  # Parse token.
+  json_body = _urlsafe_b64decode(segments[1])
+  try:
+    parsed = simplejson.loads(json_body)
+  except:
+    raise AppIdentityError('Can\'t parse token: %s' % json_body)
+
+  # Check signature.
+  verified = False
+  for (keyname, pem) in certs.items():
+    verifier = Verifier.from_string(pem, True)
+    if (verifier.verify(signed, signature)):
+      verified = True
+      break
+  if not verified:
+    raise AppIdentityError('Invalid token signature: %s' % jwt)
+
+  # Check creation timestamp.
+  iat = parsed.get('iat')
+  if iat is None:
+    raise AppIdentityError('No iat field in token: %s' % json_body)
+  earliest = iat - CLOCK_SKEW_SECS
+
+  # Check expiration timestamp.
+  now = long(time.time())
+  exp = parsed.get('exp')
+  if exp is None:
+    raise AppIdentityError('No exp field in token: %s' % json_body)
+  if exp >= now + MAX_TOKEN_LIFETIME_SECS:
+    raise AppIdentityError(
+      'exp field too far in future: %s' % json_body)
+  latest = exp + CLOCK_SKEW_SECS
+
+  if now < earliest:
+    raise AppIdentityError('Token used too early, %d < %d: %s' %
+      (now, earliest, json_body))
+  if now > latest:
+    raise AppIdentityError('Token used too late, %d > %d: %s' %
+      (now, latest, json_body))
+
+  # Check audience.
+  if audience is not None:
+    aud = parsed.get('aud')
+    if aud is None:
+      raise AppIdentityError('No aud field in token: %s' % json_body)
+    if aud != audience:
+      raise AppIdentityError('Wrong recipient, %s != %s: %s' %
+          (aud, audience, json_body))
+
+  return parsed

scripts/oauth2client/django_orm.py

@@ -0,0 +1,134 @@
+# Copyright (C) 2010 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""OAuth 2.0 utilities for Django.
+
+Utilities for using OAuth 2.0 in conjunction with
+the Django datastore.
+"""
+
+__author__ = 'jcgregorio@google.com (Joe Gregorio)'
+
+import oauth2client
+import base64
+import pickle
+
+from django.db import models
+from oauth2client.client import Storage as BaseStorage
+
+class CredentialsField(models.Field):
+
+  __metaclass__ = models.SubfieldBase
+
+  def __init__(self, *args, **kwargs):
+    if 'null' not in kwargs:
+      kwargs['null'] = True
+    super(CredentialsField, self).__init__(*args, **kwargs)
+
+  def get_internal_type(self):
+    return "TextField"
+
+  def to_python(self, value):
+    if value is None:
+      return None
+    if isinstance(value, oauth2client.client.Credentials):
+      return value
+    return pickle.loads(base64.b64decode(value))
+
+  def get_db_prep_value(self, value, connection, prepared=False):
+    if value is None:
+      return None
+    return base64.b64encode(pickle.dumps(value))
+
+
+class FlowField(models.Field):
+
+  __metaclass__ = models.SubfieldBase
+
+  def __init__(self, *args, **kwargs):
+    if 'null' not in kwargs:
+      kwargs['null'] = True
+    super(FlowField, self).__init__(*args, **kwargs)
+
+  def get_internal_type(self):
+    return "TextField"
+
+  def to_python(self, value):
+    if value is None:
+      return None
+    if isinstance(value, oauth2client.client.Flow):
+      return value
+    return pickle.loads(base64.b64decode(value))
+
+  def get_db_prep_value(self, value, connection, prepared=False):
+    if value is None:
+      return None
+    return base64.b64encode(pickle.dumps(value))
+
+
+class Storage(BaseStorage):
+  """Store and retrieve a single credential to and from
+  the datastore.
+
+  This Storage helper presumes the Credentials
+  have been stored as a CredenialsField
+  on a db model class.
+  """
+
+  def __init__(self, model_class, key_name, key_value, property_name):
+    """Constructor for Storage.
+
+    Args:
+      model: db.Model, model class
+      key_name: string, key name for the entity that has the credentials
+      key_value: string, key value for the entity that has the credentials
+      property_name: string, name of the property that is an CredentialsProperty
+    """
+    self.model_class = model_class
+    self.key_name = key_name
+    self.key_value = key_value
+    self.property_name = property_name
+
+  def locked_get(self):
+    """Retrieve Credential from datastore.
+
+    Returns:
+      oauth2client.Credentials
+    """
+    credential = None
+
+    query = {self.key_name: self.key_value}
+    entities = self.model_class.objects.filter(**query)
+    if len(entities) > 0:
+      credential = getattr(entities[0], self.property_name)
+      if credential and hasattr(credential, 'set_store'):
+        credential.set_store(self)
+    return credential
+
+  def locked_put(self, credentials):
+    """Write a Credentials to the datastore.
+
+    Args:
+      credentials: Credentials, the credentials to store.
+    """
+    args = {self.key_name: self.key_value}
+    entity = self.model_class(**args)
+    setattr(entity, self.property_name, credentials)
+    entity.save()
+
+  def locked_delete(self):
+    """Delete Credentials from the datastore."""
+
+    query = {self.key_name: self.key_value}
+    entities = self.model_class.objects.filter(**query).delete()

scripts/oauth2client/file.py

@@ -0,0 +1,124 @@
+# Copyright (C) 2010 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Utilities for OAuth.
+
+Utilities for making it easier to work with OAuth 2.0
+credentials.
+"""
+
+__author__ = 'jcgregorio@google.com (Joe Gregorio)'
+
+import os
+import stat
+import threading
+
+from anyjson import simplejson
+from client import Storage as BaseStorage
+from client import Credentials
+
+
+class CredentialsFileSymbolicLinkError(Exception):
+  """Credentials files must not be symbolic links."""
+
+
+class Storage(BaseStorage):
+  """Store and retrieve a single credential to and from a file."""
+
+  def __init__(self, filename):
+    self._filename = filename
+    self._lock = threading.Lock()
+
+  def _validate_file(self):
+    if os.path.islink(self._filename):
+      raise CredentialsFileSymbolicLinkError(
+          'File: %s is a symbolic link.' % self._filename)
+
+  def acquire_lock(self):
+    """Acquires any lock necessary to access this Storage.
+
+    This lock is not reentrant."""
+    self._lock.acquire()
+
+  def release_lock(self):
+    """Release the Storage lock.
+
+    Trying to release a lock that isn't held will result in a
+    RuntimeError.
+    """
+    self._lock.release()
+
+  def locked_get(self):
+    """Retrieve Credential from file.
+
+    Returns:
+      oauth2client.client.Credentials
+
+    Raises:
+      CredentialsFileSymbolicLinkError if the file is a symbolic link.
+    """
+    credentials = None
+    self._validate_file()
+    try:
+      f = open(self._filename, 'rb')
+      content = f.read()
+      f.close()
+    except IOError:
+      return credentials
+
+    try:
+      credentials = Credentials.new_from_json(content)
+      credentials.set_store(self)
+    except ValueError:
+      pass
+
+    return credentials
+
+  def _create_file_if_needed(self):
+    """Create an empty file if necessary.
+
+    This method will not initialize the file. Instead it implements a
+    simple version of "touch" to ensure the file has been created.
+    """
+    if not os.path.exists(self._filename):
+      old_umask = os.umask(0177)
+      try:
+        open(self._filename, 'a+b').close()
+      finally:
+        os.umask(old_umask)
+
+  def locked_put(self, credentials):
+    """Write Credentials to file.
+
+    Args:
+      credentials: Credentials, the credentials to store.
+
+    Raises:
+      CredentialsFileSymbolicLinkError if the file is a symbolic link.
+    """
+
+    self._create_file_if_needed()
+    self._validate_file()
+    f = open(self._filename, 'wb')
+    f.write(credentials.to_json())
+    f.close()
+
+  def locked_delete(self):
+    """Delete Credentials file.
+
+    Args:
+      credentials: Credentials, the credentials to store.
+    """
+
+    os.unlink(self._filename)

scripts/oauth2client/gce.py

@@ -0,0 +1,90 @@
+# Copyright (C) 2012 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Utilities for Google Compute Engine
+
+Utilities for making it easier to use OAuth 2.0 on Google Compute Engine.
+"""
+
+__author__ = 'jcgregorio@google.com (Joe Gregorio)'
+
+import httplib2
+import logging
+import uritemplate
+
+from oauth2client import util
+from oauth2client.anyjson import simplejson
+from oauth2client.client import AccessTokenRefreshError
+from oauth2client.client import AssertionCredentials
+
+logger = logging.getLogger(__name__)
+
+# URI Template for the endpoint that returns access_tokens.
+META = ('http://metadata.google.internal/0.1/meta-data/service-accounts/'
+        'default/acquire{?scope}')
+
+
+class AppAssertionCredentials(AssertionCredentials):
+  """Credentials object for Compute Engine Assertion Grants
+
+  This object will allow a Compute Engine instance to identify itself to
+  Google and other OAuth 2.0 servers that can verify assertions. It can be used
+  for the purpose of accessing data stored under an account assigned to the
+  Compute Engine instance itself.
+
+  This credential does not require a flow to instantiate because it represents
+  a two legged flow, and therefore has all of the required information to
+  generate and refresh its own access tokens.
+  """
+
+  @util.positional(2)
+  def __init__(self, scope, **kwargs):
+    """Constructor for AppAssertionCredentials
+
+    Args:
+      scope: string or iterable of strings, scope(s) of the credentials being
+        requested.
+    """
+    self.scope = util.scopes_to_string(scope)
+
+    # Assertion type is no longer used, but still in the parent class signature.
+    super(AppAssertionCredentials, self).__init__(None)
+
+  @classmethod
+  def from_json(cls, json):
+    data = simplejson.loads(json)
+    return AppAssertionCredentials(data['scope'])
+
+  def _refresh(self, http_request):
+    """Refreshes the access_token.
+
+    Skip all the storage hoops and just refresh using the API.
+
+    Args:
+      http_request: callable, a callable that matches the method signature of
+        httplib2.Http.request, used to make the refresh request.
+
+    Raises:
+      AccessTokenRefreshError: When the refresh fails.
+    """
+    uri = uritemplate.expand(META, {'scope': self.scope})
+    response, content = http_request(uri)
+    if response.status == 200:
+      try:
+        d = simplejson.loads(content)
+      except StandardError, e:
+        raise AccessTokenRefreshError(str(e))
+      self.access_token = d['accessToken']
+    else:
+      raise AccessTokenRefreshError(content)

scripts/oauth2client/keyring_storage.py

@@ -0,0 +1,109 @@
+# Copyright (C) 2012 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""A keyring based Storage.
+
+A Storage for Credentials that uses the keyring module.
+"""
+
+__author__ = 'jcgregorio@google.com (Joe Gregorio)'
+
+import keyring
+import threading
+
+from client import Storage as BaseStorage
+from client import Credentials
+
+
+class Storage(BaseStorage):
+  """Store and retrieve a single credential to and from the keyring.
+
+  To use this module you must have the keyring module installed. See
+  <http://pypi.python.org/pypi/keyring/>. This is an optional module and is not
+  installed with oauth2client by default because it does not work on all the
+  platforms that oauth2client supports, such as Google App Engine.
+
+  The keyring module <http://pypi.python.org/pypi/keyring/> is a cross-platform
+  library for access the keyring capabilities of the local system. The user will
+  be prompted for their keyring password when this module is used, and the
+  manner in which the user is prompted will vary per platform.
+
+  Usage:
+    from oauth2client.keyring_storage import Storage
+
+    s = Storage('name_of_application', 'user1')
+    credentials = s.get()
+
+  """
+
+  def __init__(self, service_name, user_name):
+    """Constructor.
+
+    Args:
+      service_name: string, The name of the service under which the credentials
+        are stored.
+      user_name: string, The name of the user to store credentials for.
+    """
+    self._service_name = service_name
+    self._user_name = user_name
+    self._lock = threading.Lock()
+
+  def acquire_lock(self):
+    """Acquires any lock necessary to access this Storage.
+
+    This lock is not reentrant."""
+    self._lock.acquire()
+
+  def release_lock(self):
+    """Release the Storage lock.
+
+    Trying to release a lock that isn't held will result in a
+    RuntimeError.
+    """
+    self._lock.release()
+
+  def locked_get(self):
+    """Retrieve Credential from file.
+
+    Returns:
+      oauth2client.client.Credentials
+    """
+    credentials = None
+    content = keyring.get_password(self._service_name, self._user_name)
+
+    if content is not None:
+      try:
+        credentials = Credentials.new_from_json(content)
+        credentials.set_store(self)
+      except ValueError:
+        pass
+
+    return credentials
+
+  def locked_put(self, credentials):
+    """Write Credentials to file.
+
+    Args:
+      credentials: Credentials, the credentials to store.
+    """
+    keyring.set_password(self._service_name, self._user_name,
+                         credentials.to_json())
+
+  def locked_delete(self):
+    """Delete Credentials file.
+
+    Args:
+      credentials: Credentials, the credentials to store.
+    """
+    keyring.set_password(self._service_name, self._user_name, '')

scripts/oauth2client/locked_file.py

@@ -0,0 +1,361 @@
+# Copyright 2011 Google Inc. All Rights Reserved.
+
+"""Locked file interface that should work on Unix and Windows pythons.
+
+This module first tries to use fcntl locking to ensure serialized access
+to a file, then falls back on a lock file if that is unavialable.
+
+Usage:
+    f = LockedFile('filename', 'r+b', 'rb')
+    f.open_and_lock()
+    if f.is_locked():
+      print 'Acquired filename with r+b mode'
+      f.file_handle().write('locked data')
+    else:
+      print 'Aquired filename with rb mode'
+    f.unlock_and_close()
+"""
+
+__author__ = 'cache@google.com (David T McWherter)'
+
+import errno
+import logging
+import os
+import time
+
+from oauth2client import util
+
+logger = logging.getLogger(__name__)
+
+
+class CredentialsFileSymbolicLinkError(Exception):
+  """Credentials files must not be symbolic links."""
+
+
+class AlreadyLockedException(Exception):
+  """Trying to lock a file that has already been locked by the LockedFile."""
+  pass
+
+
+def validate_file(filename):
+  if os.path.islink(filename):
+    raise CredentialsFileSymbolicLinkError(
+        'File: %s is a symbolic link.' % filename)
+
+class _Opener(object):
+  """Base class for different locking primitives."""
+
+  def __init__(self, filename, mode, fallback_mode):
+    """Create an Opener.
+
+    Args:
+      filename: string, The pathname of the file.
+      mode: string, The preferred mode to access the file with.
+      fallback_mode: string, The mode to use if locking fails.
+    """
+    self._locked = False
+    self._filename = filename
+    self._mode = mode
+    self._fallback_mode = fallback_mode
+    self._fh = None
+
+  def is_locked(self):
+    """Was the file locked."""
+    return self._locked
+
+  def file_handle(self):
+    """The file handle to the file. Valid only after opened."""
+    return self._fh
+
+  def filename(self):
+    """The filename that is being locked."""
+    return self._filename
+
+  def open_and_lock(self, timeout, delay):
+    """Open the file and lock it.
+
+    Args:
+      timeout: float, How long to try to lock for.
+      delay: float, How long to wait between retries.
+    """
+    pass
+
+  def unlock_and_close(self):
+    """Unlock and close the file."""
+    pass
+
+
+class _PosixOpener(_Opener):
+  """Lock files using Posix advisory lock files."""
+
+  def open_and_lock(self, timeout, delay):
+    """Open the file and lock it.
+
+    Tries to create a .lock file next to the file we're trying to open.
+
+    Args:
+      timeout: float, How long to try to lock for.
+      delay: float, How long to wait between retries.
+
+    Raises:
+      AlreadyLockedException: if the lock is already acquired.
+      IOError: if the open fails.
+      CredentialsFileSymbolicLinkError if the file is a symbolic link.
+    """
+    if self._locked:
+      raise AlreadyLockedException('File %s is already locked' %
+                                   self._filename)
+    self._locked = False
+
+    validate_file(self._filename)
+    try:
+      self._fh = open(self._filename, self._mode)
+    except IOError, e:
+      # If we can't access with _mode, try _fallback_mode and don't lock.
+      if e.errno == errno.EACCES:
+        self._fh = open(self._filename, self._fallback_mode)
+        return
+
+    lock_filename = self._posix_lockfile(self._filename)
+    start_time = time.time()
+    while True:
+      try:
+        self._lock_fd = os.open(lock_filename,
+                                os.O_CREAT|os.O_EXCL|os.O_RDWR)
+        self._locked = True
+        break
+
+      except OSError, e:
+        if e.errno != errno.EEXIST:
+          raise
+        if (time.time() - start_time) >= timeout:
+          logger.warn('Could not acquire lock %s in %s seconds' % (
+              lock_filename, timeout))
+          # Close the file and open in fallback_mode.
+          if self._fh:
+            self._fh.close()
+          self._fh = open(self._filename, self._fallback_mode)
+          return
+        time.sleep(delay)
+
+  def unlock_and_close(self):
+    """Unlock a file by removing the .lock file, and close the handle."""
+    if self._locked:
+      lock_filename = self._posix_lockfile(self._filename)
+      os.close(self._lock_fd)
+      os.unlink(lock_filename)
+      self._locked = False
+      self._lock_fd = None
+    if self._fh:
+      self._fh.close()
+
+  def _posix_lockfile(self, filename):
+    """The name of the lock file to use for posix locking."""
+    return '%s.lock' % filename
+
+
+try:
+  import fcntl
+
+  class _FcntlOpener(_Opener):
+    """Open, lock, and unlock a file using fcntl.lockf."""
+
+    def open_and_lock(self, timeout, delay):
+      """Open the file and lock it.
+
+      Args:
+        timeout: float, How long to try to lock for.
+        delay: float, How long to wait between retries
+
+      Raises:
+        AlreadyLockedException: if the lock is already acquired.
+        IOError: if the open fails.
+        CredentialsFileSymbolicLinkError if the file is a symbolic link.
+      """
+      if self._locked:
+        raise AlreadyLockedException('File %s is already locked' %
+                                     self._filename)
+      start_time = time.time()
+
+      validate_file(self._filename)
+      try:
+        self._fh = open(self._filename, self._mode)
+      except IOError, e:
+        # If we can't access with _mode, try _fallback_mode and don't lock.
+        if e.errno == errno.EACCES:
+          self._fh = open(self._filename, self._fallback_mode)
+          return
+
+      # We opened in _mode, try to lock the file.
+      while True:
+        try:
+          fcntl.lockf(self._fh.fileno(), fcntl.LOCK_EX)
+          self._locked = True
+          return
+        except IOError, e:
+          # If not retrying, then just pass on the error.
+          if timeout == 0:
+            raise e
+          if e.errno != errno.EACCES:
+            raise e
+          # We could not acquire the lock. Try again.
+          if (time.time() - start_time) >= timeout:
+            logger.warn('Could not lock %s in %s seconds' % (
+                self._filename, timeout))
+            if self._fh:
+              self._fh.close()
+            self._fh = open(self._filename, self._fallback_mode)
+            return
+          time.sleep(delay)
+
+    def unlock_and_close(self):
+      """Close and unlock the file using the fcntl.lockf primitive."""
+      if self._locked:
+        fcntl.lockf(self._fh.fileno(), fcntl.LOCK_UN)
+      self._locked = False
+      if self._fh:
+        self._fh.close()
+except ImportError:
+  _FcntlOpener = None
+
+
+try:
+  import pywintypes
+  import win32con
+  import win32file
+
+  class _Win32Opener(_Opener):
+    """Open, lock, and unlock a file using windows primitives."""
+
+    # Error #33:
+    #  'The process cannot access the file because another process'
+    FILE_IN_USE_ERROR = 33
+
+    # Error #158:
+    #  'The segment is already unlocked.'
+    FILE_ALREADY_UNLOCKED_ERROR = 158
+
+    def open_and_lock(self, timeout, delay):
+      """Open the file and lock it.
+
+      Args:
+        timeout: float, How long to try to lock for.
+        delay: float, How long to wait between retries
+
+      Raises:
+        AlreadyLockedException: if the lock is already acquired.
+        IOError: if the open fails.
+        CredentialsFileSymbolicLinkError if the file is a symbolic link.
+      """
+      if self._locked:
+        raise AlreadyLockedException('File %s is already locked' %
+                                     self._filename)
+      start_time = time.time()
+
+      validate_file(self._filename)
+      try:
+        self._fh = open(self._filename, self._mode)
+      except IOError, e:
+        # If we can't access with _mode, try _fallback_mode and don't lock.
+        if e.errno == errno.EACCES:
+          self._fh = open(self._filename, self._fallback_mode)
+          return
+
+      # We opened in _mode, try to lock the file.
+      while True:
+        try:
+          hfile = win32file._get_osfhandle(self._fh.fileno())
+          win32file.LockFileEx(
+              hfile,
+              (win32con.LOCKFILE_FAIL_IMMEDIATELY|
+               win32con.LOCKFILE_EXCLUSIVE_LOCK), 0, -0x10000,
+              pywintypes.OVERLAPPED())
+          self._locked = True
+          return
+        except pywintypes.error, e:
+          if timeout == 0:
+            raise e
+
+          # If the error is not that the file is already in use, raise.
+          if e[0] != _Win32Opener.FILE_IN_USE_ERROR:
+            raise
+
+          # We could not acquire the lock. Try again.
+          if (time.time() - start_time) >= timeout:
+            logger.warn('Could not lock %s in %s seconds' % (
+                self._filename, timeout))
+            if self._fh:
+              self._fh.close()
+            self._fh = open(self._filename, self._fallback_mode)
+            return
+          time.sleep(delay)
+
+    def unlock_and_close(self):
+      """Close and unlock the file using the win32 primitive."""
+      if self._locked:
+        try:
+          hfile = win32file._get_osfhandle(self._fh.fileno())
+          win32file.UnlockFileEx(hfile, 0, -0x10000, pywintypes.OVERLAPPED())
+        except pywintypes.error, e:
+          if e[0] != _Win32Opener.FILE_ALREADY_UNLOCKED_ERROR:
+            raise
+      self._locked = False
+      if self._fh:
+        self._fh.close()
+except ImportError:
+  _Win32Opener = None
+
+
+class LockedFile(object):
+  """Represent a file that has exclusive access."""
+
+  @util.positional(4)
+  def __init__(self, filename, mode, fallback_mode, use_native_locking=True):
+    """Construct a LockedFile.
+
+    Args:
+      filename: string, The path of the file to open.
+      mode: string, The mode to try to open the file with.
+      fallback_mode: string, The mode to use if locking fails.
+      use_native_locking: bool, Whether or not fcntl/win32 locking is used.
+    """
+    opener = None
+    if not opener and use_native_locking:
+      if _Win32Opener:
+        opener = _Win32Opener(filename, mode, fallback_mode)
+      if _FcntlOpener:
+        opener = _FcntlOpener(filename, mode, fallback_mode)
+
+    if not opener:
+      opener = _PosixOpener(filename, mode, fallback_mode)
+
+    self._opener = opener
+
+  def filename(self):
+    """Return the filename we were constructed with."""
+    return self._opener._filename
+
+  def file_handle(self):
+    """Return the file_handle to the opened file."""
+    return self._opener.file_handle()
+
+  def is_locked(self):
+    """Return whether we successfully locked the file."""
+    return self._opener.is_locked()
+
+  def open_and_lock(self, timeout=0, delay=0.05):
+    """Open the file, trying to lock it.
+
+    Args:
+      timeout: float, The number of seconds to try to acquire the lock.
+      delay: float, The number of seconds to wait between retry attempts.
+
+    Raises:
+      AlreadyLockedException: if the lock is already acquired.
+      IOError: if the open fails.
+    """
+    self._opener.open_and_lock(timeout, delay)
+
+  def unlock_and_close(self):
+    """Unlock and close a file."""
+    self._opener.unlock_and_close()

scripts/oauth2client/multistore_file.py

@@ -0,0 +1,409 @@
+# Copyright 2011 Google Inc. All Rights Reserved.
+
+"""Multi-credential file store with lock support.
+
+This module implements a JSON credential store where multiple
+credentials can be stored in one file. That file supports locking
+both in a single process and across processes.
+
+The credential themselves are keyed off of:
+* client_id
+* user_agent
+* scope
+
+The format of the stored data is like so:
+{
+  'file_version': 1,
+  'data': [
+    {
+      'key': {
+        'clientId': '<client id>',
+        'userAgent': '<user agent>',
+        'scope': '<scope>'
+      },
+      'credential': {
+        # JSON serialized Credentials.
+      }
+    }
+  ]
+}
+"""
+
+__author__ = 'jbeda@google.com (Joe Beda)'
+
+import base64
+import errno
+import logging
+import os
+import threading
+
+from anyjson import simplejson
+from oauth2client.client import Storage as BaseStorage
+from oauth2client.client import Credentials
+from oauth2client import util
+from locked_file import LockedFile
+
+logger = logging.getLogger(__name__)
+
+# A dict from 'filename'->_MultiStore instances
+_multistores = {}
+_multistores_lock = threading.Lock()
+
+
+class Error(Exception):
+  """Base error for this module."""
+  pass
+
+
+class NewerCredentialStoreError(Error):
+  """The credential store is a newer version that supported."""
+  pass
+
+
+@util.positional(4)
+def get_credential_storage(filename, client_id, user_agent, scope,
+                           warn_on_readonly=True):
+  """Get a Storage instance for a credential.
+
+  Args:
+    filename: The JSON file storing a set of credentials
+    client_id: The client_id for the credential
+    user_agent: The user agent for the credential
+    scope: string or iterable of strings, Scope(s) being requested
+    warn_on_readonly: if True, log a warning if the store is readonly
+
+  Returns:
+    An object derived from client.Storage for getting/setting the
+    credential.
+  """
+  # Recreate the legacy key with these specific parameters
+  key = {'clientId': client_id, 'userAgent': user_agent,
+         'scope': util.scopes_to_string(scope)}
+  return get_credential_storage_custom_key(
+      filename, key, warn_on_readonly=warn_on_readonly)
+
+
+@util.positional(2)
+def get_credential_storage_custom_string_key(
+    filename, key_string, warn_on_readonly=True):
+  """Get a Storage instance for a credential using a single string as a key.
+
+  Allows you to provide a string as a custom key that will be used for
+  credential storage and retrieval.
+
+  Args:
+    filename: The JSON file storing a set of credentials
+    key_string: A string to use as the key for storing this credential.
+    warn_on_readonly: if True, log a warning if the store is readonly
+
+  Returns:
+    An object derived from client.Storage for getting/setting the
+    credential.
+  """
+  # Create a key dictionary that can be used
+  key_dict = {'key': key_string}
+  return get_credential_storage_custom_key(
+      filename, key_dict, warn_on_readonly=warn_on_readonly)
+
+
+@util.positional(2)
+def get_credential_storage_custom_key(
+    filename, key_dict, warn_on_readonly=True):
+  """Get a Storage instance for a credential using a dictionary as a key.
+
+  Allows you to provide a dictionary as a custom key that will be used for
+  credential storage and retrieval.
+
+  Args:
+    filename: The JSON file storing a set of credentials
+    key_dict: A dictionary to use as the key for storing this credential. There
+      is no ordering of the keys in the dictionary. Logically equivalent
+      dictionaries will produce equivalent storage keys.
+    warn_on_readonly: if True, log a warning if the store is readonly
+
+  Returns:
+    An object derived from client.Storage for getting/setting the
+    credential.
+  """
+  filename = os.path.expanduser(filename)
+  _multistores_lock.acquire()
+  try:
+    multistore = _multistores.setdefault(
+        filename, _MultiStore(filename, warn_on_readonly=warn_on_readonly))
+  finally:
+    _multistores_lock.release()
+  key = util.dict_to_tuple_key(key_dict)
+  return multistore._get_storage(key)
+
+
+class _MultiStore(object):
+  """A file backed store for multiple credentials."""
+
+  @util.positional(2)
+  def __init__(self, filename, warn_on_readonly=True):
+    """Initialize the class.
+
+    This will create the file if necessary.
+    """
+    self._file = LockedFile(filename, 'r+b', 'rb')
+    self._thread_lock = threading.Lock()
+    self._read_only = False
+    self._warn_on_readonly = warn_on_readonly
+
+    self._create_file_if_needed()
+
+    # Cache of deserialized store. This is only valid after the
+    # _MultiStore is locked or _refresh_data_cache is called. This is
+    # of the form of:
+    #
+    # ((key, value), (key, value)...) -> OAuth2Credential
+    #
+    # If this is None, then the store hasn't been read yet.
+    self._data = None
+
+  class _Storage(BaseStorage):
+    """A Storage object that knows how to read/write a single credential."""
+
+    def __init__(self, multistore, key):
+      self._multistore = multistore
+      self._key = key
+
+    def acquire_lock(self):
+      """Acquires any lock necessary to access this Storage.
+
+      This lock is not reentrant.
+      """
+      self._multistore._lock()
+
+    def release_lock(self):
+      """Release the Storage lock.
+
+      Trying to release a lock that isn't held will result in a
+      RuntimeError.
+      """
+      self._multistore._unlock()
+
+    def locked_get(self):
+      """Retrieve credential.
+
+      The Storage lock must be held when this is called.
+
+      Returns:
+        oauth2client.client.Credentials
+      """
+      credential = self._multistore._get_credential(self._key)
+      if credential:
+        credential.set_store(self)
+      return credential
+
+    def locked_put(self, credentials):
+      """Write a credential.
+
+      The Storage lock must be held when this is called.
+
+      Args:
+        credentials: Credentials, the credentials to store.
+      """
+      self._multistore._update_credential(self._key, credentials)
+
+    def locked_delete(self):
+      """Delete a credential.
+
+      The Storage lock must be held when this is called.
+
+      Args:
+        credentials: Credentials, the credentials to store.
+      """
+      self._multistore._delete_credential(self._key)
+
+  def _create_file_if_needed(self):
+    """Create an empty file if necessary.
+
+    This method will not initialize the file. Instead it implements a
+    simple version of "touch" to ensure the file has been created.
+    """
+    if not os.path.exists(self._file.filename()):
+      old_umask = os.umask(0177)
+      try:
+        open(self._file.filename(), 'a+b').close()
+      finally:
+        os.umask(old_umask)
+
+  def _lock(self):
+    """Lock the entire multistore."""
+    self._thread_lock.acquire()
+    self._file.open_and_lock()
+    if not self._file.is_locked():
+      self._read_only = True
+      if self._warn_on_readonly:
+        logger.warn('The credentials file (%s) is not writable. Opening in '
+                    'read-only mode. Any refreshed credentials will only be '
+                    'valid for this run.' % self._file.filename())
+    if os.path.getsize(self._file.filename()) == 0:
+      logger.debug('Initializing empty multistore file')
+      # The multistore is empty so write out an empty file.
+      self._data = {}
+      self._write()
+    elif not self._read_only or self._data is None:
+      # Only refresh the data if we are read/write or we haven't
+      # cached the data yet. If we are readonly, we assume is isn't
+      # changing out from under us and that we only have to read it
+      # once. This prevents us from whacking any new access keys that
+      # we have cached in memory but were unable to write out.
+      self._refresh_data_cache()
+
+  def _unlock(self):
+    """Release the lock on the multistore."""
+    self._file.unlock_and_close()
+    self._thread_lock.release()
+
+  def _locked_json_read(self):
+    """Get the raw content of the multistore file.
+
+    The multistore must be locked when this is called.
+
+    Returns:
+      The contents of the multistore decoded as JSON.
+    """
+    assert self._thread_lock.locked()
+    self._file.file_handle().seek(0)
+    return simplejson.load(self._file.file_handle())
+
+  def _locked_json_write(self, data):
+    """Write a JSON serializable data structure to the multistore.
+
+    The multistore must be locked when this is called.
+
+    Args:
+      data: The data to be serialized and written.
+    """
+    assert self._thread_lock.locked()
+    if self._read_only:
+      return
+    self._file.file_handle().seek(0)
+    simplejson.dump(data, self._file.file_handle(), sort_keys=True, indent=2)
+    self._file.file_handle().truncate()
+
+  def _refresh_data_cache(self):
+    """Refresh the contents of the multistore.
+
+    The multistore must be locked when this is called.
+
+    Raises:
+      NewerCredentialStoreError: Raised when a newer client has written the
+        store.
+    """
+    self._data = {}
+    try:
+      raw_data = self._locked_json_read()
+    except Exception:
+      logger.warn('Credential data store could not be loaded. '
+                  'Will ignore and overwrite.')
+      return
+
+    version = 0
+    try:
+      version = raw_data['file_version']
+    except Exception:
+      logger.warn('Missing version for credential data store. It may be '
+                  'corrupt or an old version. Overwriting.')
+    if version > 1:
+      raise NewerCredentialStoreError(
+          'Credential file has file_version of %d. '
+          'Only file_version of 1 is supported.' % version)
+
+    credentials = []
+    try:
+      credentials = raw_data['data']
+    except (TypeError, KeyError):
+      pass
+
+    for cred_entry in credentials:
+      try:
+        (key, credential) = self._decode_credential_from_json(cred_entry)
+        self._data[key] = credential
+      except:
+        # If something goes wrong loading a credential, just ignore it
+        logger.info('Error decoding credential, skipping', exc_info=True)
+
+  def _decode_credential_from_json(self, cred_entry):
+    """Load a credential from our JSON serialization.
+
+    Args:
+      cred_entry: A dict entry from the data member of our format
+
+    Returns:
+      (key, cred) where the key is the key tuple and the cred is the
+        OAuth2Credential object.
+    """
+    raw_key = cred_entry['key']
+    key = util.dict_to_tuple_key(raw_key)
+    credential = None
+    credential = Credentials.new_from_json(simplejson.dumps(cred_entry['credential']))
+    return (key, credential)
+
+  def _write(self):
+    """Write the cached data back out.
+
+    The multistore must be locked.
+    """
+    raw_data = {'file_version': 1}
+    raw_creds = []
+    raw_data['data'] = raw_creds
+    for (cred_key, cred) in self._data.items():
+      raw_key = dict(cred_key)
+      raw_cred = simplejson.loads(cred.to_json())
+      raw_creds.append({'key': raw_key, 'credential': raw_cred})
+    self._locked_json_write(raw_data)
+
+  def _get_credential(self, key):
+    """Get a credential from the multistore.
+
+    The multistore must be locked.
+
+    Args:
+      key: The key used to retrieve the credential
+
+    Returns:
+      The credential specified or None if not present
+    """
+    return self._data.get(key, None)
+
+  def _update_credential(self, key, cred):
+    """Update a credential and write the multistore.
+
+    This must be called when the multistore is locked.
+
+    Args:
+      key: The key used to retrieve the credential
+      cred: The OAuth2Credential to update/set
+    """
+    self._data[key] = cred
+    self._write()
+
+  def _delete_credential(self, key):
+    """Delete a credential and write the multistore.
+
+    This must be called when the multistore is locked.
+
+    Args:
+      key: The key used to retrieve the credential
+    """
+    try:
+      del self._data[key]
+    except KeyError:
+      pass
+    self._write()
+
+  def _get_storage(self, key):
+    """Get a Storage object to get/set a credential.
+
+    This Storage is a 'view' into the multistore.
+
+    Args:
+      key: The key used to retrieve the credential
+
+    Returns:
+      A Storage object that can be used to get/set this cred
+    """
+    return self._Storage(self, key)

scripts/oauth2client/tools.py

@@ -0,0 +1,205 @@
+# Copyright (C) 2010 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Command-line tools for authenticating via OAuth 2.0
+
+Do the OAuth 2.0 Web Server dance for a command line application. Stores the
+generated credentials in a common file that is used by other example apps in
+the same directory.
+"""
+
+__author__ = 'jcgregorio@google.com (Joe Gregorio)'
+__all__ = ['run']
+
+
+import BaseHTTPServer
+from gflags import gflags
+import socket
+import sys
+import webbrowser
+
+from oauth2client.client import FlowExchangeError
+from oauth2client.client import OOB_CALLBACK_URN
+from oauth2client import util
+
+try:
+  from urlparse import parse_qsl
+except ImportError:
+  from cgi import parse_qsl
+
+
+FLAGS = gflags.FLAGS
+
+gflags.DEFINE_boolean('auth_local_webserver', True,
+                      ('Run a local web server to handle redirects during '
+                       'OAuth authorization.'))
+
+gflags.DEFINE_string('auth_host_name', 'localhost',
+                     ('Host name to use when running a local web server to '
+                      'handle redirects during OAuth authorization.'))
+
+gflags.DEFINE_multi_int('auth_host_port', [8080, 8090],
+                        ('Port to use when running a local web server to '
+                         'handle redirects during OAuth authorization.'))
+
+
+class ClientRedirectServer(BaseHTTPServer.HTTPServer):
+  """A server to handle OAuth 2.0 redirects back to localhost.
+
+  Waits for a single request and parses the query parameters
+  into query_params and then stops serving.
+  """
+  query_params = {}
+
+
+class ClientRedirectHandler(BaseHTTPServer.BaseHTTPRequestHandler):
+  """A handler for OAuth 2.0 redirects back to localhost.
+
+  Waits for a single request and parses the query parameters
+  into the servers query_params and then stops serving.
+  """
+
+  def do_GET(s):
+    """Handle a GET request.
+
+    Parses the query parameters and prints a message
+    if the flow has completed. Note that we can't detect
+    if an error occurred.
+    """
+    s.send_response(200)
+    s.send_header("Content-type", "text/html")
+    s.end_headers()
+    query = s.path.split('?', 1)[-1]
+    query = dict(parse_qsl(query))
+    s.server.query_params = query
+    s.wfile.write("<html><head><title>Authentication Status</title></head>")
+    s.wfile.write("<body><p>The authentication flow has completed.</p>")
+    s.wfile.write("</body></html>")
+
+  def log_message(self, format, *args):
+    """Do not log messages to stdout while running as command line program."""
+    pass
+
+
+@util.positional(2)
+def run(flow, storage, http=None):
+  """Core code for a command-line application.
+
+  The run() function is called from your application and runs through all the
+  steps to obtain credentials. It takes a Flow argument and attempts to open an
+  authorization server page in the user's default web browser. The server asks
+  the user to grant your application access to the user's data. If the user
+  grants access, the run() function returns new credentials. The new credentials
+  are also stored in the Storage argument, which updates the file associated
+  with the Storage object.
+
+  It presumes it is run from a command-line application and supports the
+  following flags:
+
+    --auth_host_name: Host name to use when running a local web server
+      to handle redirects during OAuth authorization.
+      (default: 'localhost')
+
+    --auth_host_port: Port to use when running a local web server to handle
+      redirects during OAuth authorization.;
+      repeat this option to specify a list of values
+      (default: '[8080, 8090]')
+      (an integer)
+
+    --[no]auth_local_webserver: Run a local web server to handle redirects
+      during OAuth authorization.
+      (default: 'true')
+
+  Since it uses flags make sure to initialize the gflags module before calling
+  run().
+
+  Args:
+    flow: Flow, an OAuth 2.0 Flow to step through.
+    storage: Storage, a Storage to store the credential in.
+    http: An instance of httplib2.Http.request
+         or something that acts like it.
+
+  Returns:
+    Credentials, the obtained credential.
+  """
+  if FLAGS.auth_local_webserver:
+    success = False
+    port_number = 0
+    for port in FLAGS.auth_host_port:
+      port_number = port
+      try:
+        httpd = ClientRedirectServer((FLAGS.auth_host_name, port),
+                                     ClientRedirectHandler)
+      except socket.error, e:
+        pass
+      else:
+        success = True
+        break
+    FLAGS.auth_local_webserver = success
+    if not success:
+      print 'Failed to start a local webserver listening on either port 8080'
+      print 'or port 9090. Please check your firewall settings and locally'
+      print 'running programs that may be blocking or using those ports.'
+      print
+      print 'Falling back to --noauth_local_webserver and continuing with',
+      print 'authorization.'
+      print
+
+  if FLAGS.auth_local_webserver:
+    oauth_callback = 'http://%s:%s/' % (FLAGS.auth_host_name, port_number)
+  else:
+    oauth_callback = OOB_CALLBACK_URN
+  flow.redirect_uri = oauth_callback
+  authorize_url = flow.step1_get_authorize_url()
+
+  if FLAGS.auth_local_webserver:
+    webbrowser.open(authorize_url, new=1, autoraise=True)
+    print 'Your browser has been opened to visit:'
+    print
+    print '    ' + authorize_url
+    print
+    print 'If your browser is on a different machine then exit and re-run this'
+    print 'application with the command-line parameter '
+    print
+    print '  --noauth_local_webserver'
+    print
+  else:
+    print 'Go to the following link in your browser:'
+    print
+    print '    ' + authorize_url
+    print
+
+  code = None
+  if FLAGS.auth_local_webserver:
+    httpd.handle_request()
+    if 'error' in httpd.query_params:
+      sys.exit('Authentication request was rejected.')
+    if 'code' in httpd.query_params:
+      code = httpd.query_params['code']
+    else:
+      print 'Failed to find "code" in the query parameters of the redirect.'
+      sys.exit('Try running with --noauth_local_webserver.')
+  else:
+    code = raw_input('Enter verification code: ').strip()
+
+  try:
+    credential = flow.step2_exchange(code, http=http)
+  except FlowExchangeError, e:
+    sys.exit('Authentication has failed: %s' % e)
+
+  storage.put(credential)
+  credential.set_store(storage)
+  print 'Authentication successful.'
+
+  return credential

scripts/oauth2client/util.py

@@ -0,0 +1,192 @@
+#!/usr/bin/env python
+#
+# Copyright 2010 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+"""Common utility library."""
+
+__author__ = ['rafek@google.com (Rafe Kaplan)',
+              'guido@google.com (Guido van Rossum)',
+]
+__all__ = [
+  'positional',
+]
+
+from gflags import gflags
+import inspect
+import logging
+import types
+import urllib
+import urlparse
+
+try:
+  from urlparse import parse_qsl
+except ImportError:
+  from cgi import parse_qsl
+
+logger = logging.getLogger(__name__)
+
+FLAGS = gflags.FLAGS
+
+gflags.DEFINE_enum('positional_parameters_enforcement', 'WARNING',
+    ['EXCEPTION', 'WARNING', 'IGNORE'],
+    'The action when an oauth2client.util.positional declaration is violated.')
+
+
+def positional(max_positional_args):
+  """A decorator to declare that only the first N arguments my be positional.
+
+  This decorator makes it easy to support Python 3 style key-word only
+  parameters. For example, in Python 3 it is possible to write:
+
+    def fn(pos1, *, kwonly1=None, kwonly1=None):
+      ...
+
+  All named parameters after * must be a keyword:
+
+    fn(10, 'kw1', 'kw2')  # Raises exception.
+    fn(10, kwonly1='kw1')  # Ok.
+
+  Example:
+    To define a function like above, do:
+
+      @positional(1)
+      def fn(pos1, kwonly1=None, kwonly2=None):
+        ...
+
+    If no default value is provided to a keyword argument, it becomes a required
+    keyword argument:
+
+      @positional(0)
+      def fn(required_kw):
+        ...
+
+    This must be called with the keyword parameter:
+
+      fn()  # Raises exception.
+      fn(10)  # Raises exception.
+      fn(required_kw=10)  # Ok.
+
+    When defining instance or class methods always remember to account for
+    'self' and 'cls':
+
+      class MyClass(object):
+
+        @positional(2)
+        def my_method(self, pos1, kwonly1=None):
+          ...
+
+        @classmethod
+        @positional(2)
+        def my_method(cls, pos1, kwonly1=None):
+          ...
+
+  The positional decorator behavior is controlled by the
+  --positional_parameters_enforcement flag. The flag may be set to 'EXCEPTION',
+  'WARNING' or 'IGNORE' to raise an exception, log a warning, or do nothing,
+  respectively, if a declaration is violated.
+
+  Args:
+    max_positional_arguments: Maximum number of positional arguments. All
+      parameters after the this index must be keyword only.
+
+  Returns:
+    A decorator that prevents using arguments after max_positional_args from
+    being used as positional parameters.
+
+  Raises:
+    TypeError if a key-word only argument is provided as a positional parameter,
+    but only if the --positional_parameters_enforcement flag is set to
+    'EXCEPTION'.
+  """
+  def positional_decorator(wrapped):
+    def positional_wrapper(*args, **kwargs):
+      if len(args) > max_positional_args:
+        plural_s = ''
+        if max_positional_args != 1:
+          plural_s = 's'
+        message = '%s() takes at most %d positional argument%s (%d given)' % (
+            wrapped.__name__, max_positional_args, plural_s, len(args))
+        if FLAGS.positional_parameters_enforcement == 'EXCEPTION':
+          raise TypeError(message)
+        elif FLAGS.positional_parameters_enforcement == 'WARNING':
+          logger.warning(message)
+        else: # IGNORE
+          pass
+      return wrapped(*args, **kwargs)
+    return positional_wrapper
+
+  if isinstance(max_positional_args, (int, long)):
+    return positional_decorator
+  else:
+    args, _, _, defaults = inspect.getargspec(max_positional_args)
+    return positional(len(args) - len(defaults))(max_positional_args)
+
+
+def scopes_to_string(scopes):
+  """Converts scope value to a string.
+
+  If scopes is a string then it is simply passed through. If scopes is an
+  iterable then a string is returned that is all the individual scopes
+  concatenated with spaces.
+
+  Args:
+    scopes: string or iterable of strings, the scopes.
+
+  Returns:
+    The scopes formatted as a single string.
+  """
+  if isinstance(scopes, types.StringTypes):
+    return scopes
+  else:
+    return ' '.join(scopes)
+
+
+def dict_to_tuple_key(dictionary):
+  """Converts a dictionary to a tuple that can be used as an immutable key.
+
+  The resulting key is always sorted so that logically equivalent dictionaries
+  always produce an identical tuple for a key.
+
+  Args:
+    dictionary: the dictionary to use as the key.
+
+  Returns:
+    A tuple representing the dictionary in it's naturally sorted ordering.
+  """
+  return tuple(sorted(dictionary.items()))
+
+
+def _add_query_parameter(url, name, value):
+  """Adds a query parameter to a url.
+
+  Replaces the current value if it already exists in the URL.
+
+  Args:
+    url: string, url to add the query parameter to.
+    name: string, query parameter name.
+    value: string, query parameter value.
+
+  Returns:
+    Updated query parameter. Does not update the url if value is None.
+  """
+  if value is None:
+    return url
+  else:
+    parsed = list(urlparse.urlparse(url))
+    q = dict(parse_qsl(parsed[4]))
+    q[name] = value
+    parsed[4] = urllib.urlencode(q)
+    return urlparse.urlunparse(parsed)

scripts/oauth2client/xsrfutil.py

@@ -0,0 +1,113 @@
+#!/usr/bin/python2.5
+#
+# Copyright 2010 the Melange authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Helper methods for creating & verifying XSRF tokens."""
+
+__authors__ = [
+  '"Doug Coker" <dcoker@google.com>',
+  '"Joe Gregorio" <jcgregorio@google.com>',
+]
+
+
+import base64
+import hmac
+import os  # for urandom
+import time
+
+from oauth2client import util
+
+
+# Delimiter character
+DELIMITER = ':'
+
+# 1 hour in seconds
+DEFAULT_TIMEOUT_SECS = 1*60*60
+
+@util.positional(2)
+def generate_token(key, user_id, action_id="", when=None):
+  """Generates a URL-safe token for the given user, action, time tuple.
+
+  Args:
+    key: secret key to use.
+    user_id: the user ID of the authenticated user.
+    action_id: a string identifier of the action they requested
+      authorization for.
+    when: the time in seconds since the epoch at which the user was
+      authorized for this action. If not set the current time is used.
+
+  Returns:
+    A string XSRF protection token.
+  """
+  when = when or int(time.time())
+  digester = hmac.new(key)
+  digester.update(str(user_id))
+  digester.update(DELIMITER)
+  digester.update(action_id)
+  digester.update(DELIMITER)
+  digester.update(str(when))
+  digest = digester.digest()
+
+  token = base64.urlsafe_b64encode('%s%s%d' % (digest,
+                                               DELIMITER,
+                                               when))
+  return token
+
+
+@util.positional(3)
+def validate_token(key, token, user_id, action_id="", current_time=None):
+  """Validates that the given token authorizes the user for the action.
+
+  Tokens are invalid if the time of issue is too old or if the token
+  does not match what generateToken outputs (i.e. the token was forged).
+
+  Args:
+    key: secret key to use.
+    token: a string of the token generated by generateToken.
+    user_id: the user ID of the authenticated user.
+    action_id: a string identifier of the action they requested
+      authorization for.
+
+  Returns:
+    A boolean - True if the user is authorized for the action, False
+    otherwise.
+  """
+  if not token:
+    return False
+  try:
+    decoded = base64.urlsafe_b64decode(str(token))
+    token_time = long(decoded.split(DELIMITER)[-1])
+  except (TypeError, ValueError):
+    return False
+  if current_time is None:
+    current_time = time.time()
+  # If the token is too old it's not valid.
+  if current_time - token_time > DEFAULT_TIMEOUT_SECS:
+    return False
+
+  # The given token should match the generated one with the same time.
+  expected_token = generate_token(key, user_id, action_id=action_id,
+                                  when=token_time)
+  if len(token) != len(expected_token):
+    return False
+
+  # Perform constant time comparison to avoid timing attacks
+  different = 0
+  for x, y in zip(token, expected_token):
+    different |= ord(x) ^ ord(y)
+  if different:
+    return False
+
+  return True

scripts/oauthtoken.sh

@@ -0,0 +1,28 @@
+#!/bin/bash
+
+# A bootstrap for obtaining an OAuth2 access token for querying the BigStore
+# REST API from AppEngine. Run this script before testing from the dev server.
+# It is only necessary for local development.
+#
+# Note: the token needs to be acquired for an @google.com account.
+#
+# Author: Eric Bidelman <ericbidelman@chromium.org>
+
+set -e
+
+# The directory in which this script resides.
+readonly BASEDIR=$(dirname $BASH_SOURCE)
+
+# The filename for the OAuth2 token.  Should be within the app directory.
+readonly OAUTH2_CREDENTIALS_FILENAME="$BASEDIR"'/oauth2.data'
+
+# If deploying to production, delete the OAuth2 access token (if it exists).
+# Otherwise, refresh the OAuth2 access token for fetching data from BigStore.
+if [ "$1" == "deploy" ]; then
+  if [ -a "$OAUTH2_CREDENTIALS_FILENAME" ]; then
+    rm "$OAUTH2_CREDENTIALS_FILENAME"
+  fi
+else
+  $BASEDIR/fetch_oauth_credentials.py --credentials_file="$OAUTH2_CREDENTIALS_FILENAME" \
+                                      --client_secrets_file=client_secrets.json
+fi

server.py

@@ -12,7 +12,6 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-#
 
 __author__ = 'ericbidelman@chromium.org (Eric Bidelman)'
 
@@ -20,83 +19,38 @@ import logging
 import os
 import webapp2
 
-import models
+import common
 import settings
-
-from django.template.loader import render_to_string
-
-class LoggingHandler(webapp2.RequestHandler):
-
-  def __init__(self, request, response):
-    self.initialize(request, response)
-
-    # Settings can't be global in python 2.7 env.
-    logging.getLogger().setLevel(logging.DEBUG)
-    #os.environ['DJANGO_SETTINGS_MODULE'] = 'settings'
+import uma
 
 
-class ContentHandler(LoggingHandler):
-
-  def render(self, data={}, template_path=None, status=None, message=None,
-             relpath=None):
-    if status is not None and status != 200:
-      self.response.set_status(status, message)
-
-    # Add template data to every request.
-    template_data = {
-      #'is_mobile': self.is_awesome_mobile_device(),
-      'prod': settings.PROD,
-      'APP_TITLE': settings.APP_TITLE
-    }
-    template_data.update(data) # merge in other data.
-
-    # Add CORS and Chrome Frame to all responses.
-    self.response.headers.add_header('Access-Control-Allow-Origin', '*')
-    self.response.headers.add_header('X-UA-Compatible', 'IE=Edge,chrome=1')
-    self.response.out.write(render_to_string(template_path, template_data))
-
-class MainHandler(ContentHandler):
+class MainHandler(common.ContentHandler):
 
   def get(self, path):
     # Default to features page.
+    # TODO: remove later when we want an index.html
     if not path:
       return self.redirect('/features')
 
-    if path:
-      template_file = self.request.path[1:] + '.html'
-    else:
-      template_file = 'index.html'
+    # Remove trailing slash from URL and redirect. e.g. /metrics/ -> /metrics
+    if path[-1] == '/':
+      return self.redirect('/' + path.rstrip('/'))
 
-    self.render(template_path=os.path.join(template_file))
+    template_data = {}
+    template_file = path + '.html'
 
+    if path == 'metrics/featurelevel':
+      template_data['CSS_PROPERTY_BUCKETS'] = uma.CSS_PROPERTY_BUCKETS
 
-class AdminHandler(ContentHandler):
+    self.render(data=template_data, template_path=os.path.join(template_file))
 
-  def get(self):
-    # feature = models.Feature(
-    #         type=models.Resource.Type.ARTICLE, #TODO: use correct type for content.
-    #         title=doc.title(),
-    #         text=doc.summary(),#.decode('utf-8').decode('ascii','ignore'),
-    #         publication_date=datetime.datetime.today(), #TODO: save real date.
-    #         url=db.Link(result.final_url or url),
-    #         #fetch_date=datetime.date.today(),
-    #         #sharers
-    #         )
-    template_data = {
-      'feature_form': models.FeatureForm()
-    }
-    self.render(data=template_data, template_path=os.path.join('newfeature.html'))
-
-
-def handle_404(request, response, exception):
-  response.write('Oops! Not Found.')
-  response.set_status(404)
 
 # Main URL routes.
 routes = [
-  ('/newfeature', AdminHandler),
   ('/(.*)', MainHandler),
 ]
 
 app = webapp2.WSGIApplication(routes, debug=settings.DEBUG)
-app.error_handlers[404] = handle_404
+app.error_handlers[404] = common.handle_404
+if settings.PROD and not settings.DEBUG:
+  app.error_handlers[500] = common.handle_500

settings.py

@@ -9,7 +9,7 @@ INSTALLED_APPS = (
 ROOT_DIR = os.path.abspath(os.path.dirname(__file__))
 
 TEMPLATE_DIRS = (
-  os.path.join(ROOT_DIR, 'templates'),
+  os.path.join(ROOT_DIR, 'templates')
 )
 ################################################################################
 

static/css/metrics/metrics.css

@@ -0,0 +1 @@
+.line_chart{height:500px;width:900px;margin:0 auto}#dashboard-table{margin:0 auto}.metric-nav{border-bottom:2px solid #4580c0;text-align:center}.metric-nav li{display:inline-block;border-top-left-radius:3px;border-top-right-radius:3px;background:-webkit-gradient(linear, 50% 0%, 50% 100%, color-stop(0%, #ffffff), color-stop(100%, #f2f2f2));background:-webkit-linear-gradient(top, #ffffff,#f2f2f2);background:-moz-linear-gradient(top, #ffffff,#f2f2f2);background:-o-linear-gradient(top, #ffffff,#f2f2f2);background:linear-gradient(top, #ffffff,#f2f2f2);box-shadow:1px 1px 4px rgba(0,0,0,0.065);padding:0.5em;margin:0 5px}#content section{padding-top:25px}#content section h1{display:inline-block;vertical-align:middle;margin-right:10px}#content section p{margin-top:10px}#content section #stack-rank-list{margin:1em 0}#content section #stack-rank-list li{padding:5px 0}#content section #stack-rank-list li>span{display:inline-block}#content section #stack-rank-list li>span:first-of-type{width:110px;margin-right:10px;text-align:right}@media only screen and (max-width: 700px){.metric-nav{text-align:center;margin-top:15px}}

static/js/angular.min.js

@@ -1,161 +1,173 @@
 /*
- AngularJS v1.0.5
+ AngularJS v1.1.4
  (c) 2010-2012 Google, Inc. http://angularjs.org
  License: MIT
 */
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-d);return b}function mb(b){var a=[],c;for(c in b)b.hasOwnProperty(c)&&a.push(c);return a.sort()}function fc(b,a,c){for(var d=mb(b),e=0;e<d.length;e++)a.call(c,b[d[e]],d[e]);return d}function nb(b){return function(a,c){b(c,a)}}function ya(){for(var b=aa.length,a;b;){b--;a=aa[b].charCodeAt(0);if(a==57)return aa[b]="A",aa.join("");if(a==90)aa[b]="0";else return aa[b]=String.fromCharCode(a+1),aa.join("")}aa.unshift("0");return aa.join("")}function v(b){n(arguments,function(a){a!==b&&n(a,function(a,d){b[d]=
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static/js/angular.resource.min.js

@@ -0,0 +1,11 @@
+/*
+ AngularJS v1.1.4
+ (c) 2010-2012 Google, Inc. http://angularjs.org
+ License: MIT
+*/
+(function(B,f,x){'use strict';f.module("ngResource",["ng"]).factory("$resource",["$http","$parse",function(y,z){function v(g,c){this.template=g+"#";this.defaults=c||{};this.urlParams={}}function w(g,c,d){function j(e,b){var p={},b=q({},c,b);k(b,function(a,b){l(a)&&(a=a());var h;a.charAt&&a.charAt(0)=="@"?(h=a.substr(1),h=z(h)(e)):h=a;p[b]=h});return p}function b(b){u(b||{},this)}var m=new v(g),d=q({},A,d);k(d,function(e,c){e.method=f.uppercase(e.method);var p=e.method=="POST"||e.method=="PUT"||e.method==
+"PATCH";b[c]=function(a,c,h,g){function f(){i.$resolved=!0}var n={},d,o=r,s=null;switch(arguments.length){case 4:s=g,o=h;case 3:case 2:if(l(c)){if(l(a)){o=a;s=c;break}o=c;s=h}else{n=a;d=c;o=h;break}case 1:l(a)?o=a:p?d=a:n=a;break;case 0:break;default:throw"Expected between 0-4 arguments [params, data, success, error], got "+arguments.length+" arguments.";}var i=this instanceof b?this:e.isArray?[]:new b(d),t={};k(e,function(a,b){b!="params"&&b!="isArray"&&(t[b]=u(a))});t.data=d;m.setUrlParams(t,q({},
+j(d,e.params||{}),n),e.url);n=y(t);i.$resolved=!1;n.then(f,f);i.$then=n.then(function(a){var c=a.data,h=i.$then,d=i.$resolved;if(c)e.isArray?(i.length=0,k(c,function(a){i.push(new b(a))})):(u(c,i),i.$then=h,i.$resolved=d);(o||r)(i,a.headers);a.resource=i;return a},s).then;return i};b.prototype["$"+c]=function(a,e,h){var d=j(this),f=r,g;switch(arguments.length){case 3:d=a;f=e;g=h;break;case 2:case 1:l(a)?(f=a,g=e):(d=a,f=e||r);case 0:break;default:throw"Expected between 1-3 arguments [params, success, error], got "+
+arguments.length+" arguments.";}b[c].call(this,d,p?this:x,f,g)}});b.bind=function(b){return w(g,q({},c,b),d)};return b}var A={get:{method:"GET"},save:{method:"POST"},query:{method:"GET",isArray:!0},remove:{method:"DELETE"},"delete":{method:"DELETE"}},r=f.noop,k=f.forEach,q=f.extend,u=f.copy,l=f.isFunction;v.prototype={setUrlParams:function(g,c,d){var j=this,b=d||j.template,m,e,l=j.urlParams={};k(b.split(/\W/),function(c){c&&RegExp("(^|[^\\\\]):"+c+"(\\W|$)").test(b)&&(l[c]=!0)});b=b.replace(/\\:/g,
+":");c=c||{};k(j.urlParams,function(d,a){m=c.hasOwnProperty(a)?c[a]:j.defaults[a];f.isDefined(m)&&m!==null?(e=encodeURIComponent(m).replace(/%40/gi,"@").replace(/%3A/gi,":").replace(/%24/g,"$").replace(/%2C/gi,",").replace(/%20/g,"%20").replace(/%26/gi,"&").replace(/%3D/gi,"=").replace(/%2B/gi,"+"),b=b.replace(RegExp(":"+a+"(\\W|$)","g"),e+"$1")):b=b.replace(RegExp("(/?):"+a+"(\\W|$)","g"),function(a,b,c){return c.charAt(0)=="/"?c:b+c})});g.url=b.replace(/\/?#$/,"").replace(/\/*$/,"");k(c,function(b,
+a){if(!j.urlParams[a])g.params=g.params||{},g.params[a]=b})}};return w}])})(window,window.angular);

static/js/app.js

@@ -0,0 +1 @@
+var dashboardApp = angular.module('dashboardApp', []);

static/js/metrics/featurelevel.js

@@ -0,0 +1,197 @@
+var dashboardApp = angular.module('dashboardApp', []);
+
+var parsedData = null;
+var temp = {};
+var dataArray= [];
+
+
+
+dashboardApp.controller('TimeLineController', function($scope, $http) {
+  $scope.properties = [];
+
+  $scope.fetchData = function() {
+    $http.get('/data/querystableinstances').success(
+      function(resp, status, headers, config) {
+        $scope.properties = resp;
+parsedData = resp;
+        drawVisualization('color');
+      }
+    );
+  };
+
+  $scope.fetchData();
+});
+
+//TimeLineController.$inject = ['$scope', '$http'];
+
+
+function drawVisualization(name) {
+  var data = new google.visualization.DataTable();
+
+  /*Reformat the data
+
+  // TODO use bucket_ids instead of property_name in comparisons.
+
+  // Beginning structure
+  parsedData = [{
+    date: obj,
+    property_name: string,
+    day_percentage: float,
+    bucket_id: int
+  }...
+  ]
+
+  // Intermediate structure
+  temp = {
+    date1: {
+     property_name1: hits1
+     property_name2: hits2
+    }
+  }
+
+  // Final structure
+  [
+    [date1, hits1, hits2]
+    [date2, hits3, hits4]
+  ]*/
+
+  // Build structure of dates
+  for (var i = 0, item; item = parsedData[i]; ++i) {
+    var date = item.date;
+    if (!temp[date]) {
+      temp[date] = {};
+    }
+    temp[date][item.property_name] = item.day_percentage;
+  }
+
+  var dates = [];
+  for (var date in temp) {
+    dates.push(temp[date]);
+  }
+
+console.log(dates)
+
+  data.addColumn('date', 'Date');
+
+  var namesArray = getNamesArray(name);
+
+  for (var property_name in dates[0]) {
+    if (namesArray.indexOf(property_name) != -1) {
+      data.addColumn('number', property_name);
+    }
+  }
+
+  var rowArray = [];
+  for (var date in temp) {
+    var r = [];
+    var d = temp[date];
+    var fullDate = new Date((parseInt(date) * 1000));
+    r.push(new Date(fullDate.getYear(), fullDate.getMonth(), fullDate.getDay()));
+    
+    for (var property_name in d) {
+      if (namesArray.indexOf(property_name) != -1) {
+        r.push(d[property_name]);
+      }
+    }
+    rowArray.push(r);
+  }
+
+  console.log(rowArray)
+
+  data.addRows(rowArray);
+
+  var options = {
+    vAxis: {title: 'Percentage'},
+    hAxis: {title: 'Time Range'},
+    width: 900,
+    height: 500,
+    chartArea: {width: '50%'},
+  };
+
+  var chart = new google.visualization.LineChart(document.querySelector('#chart'));
+  chart.draw(data, options);
+}
+
+function goToChart(id) {
+  var node = document.getElementById(id);
+
+  if (node && node.tagName == "SELECT") {
+    var selectedValue = node.options[node.selectedIndex].innerText;
+    drawVisualization(selectedValue);
+  }
+}
+
+function getNamesArray(name) {
+  var namesArray = [name];
+  
+  if (name.substr(0, 7) === 'webkit-') {
+    var nameToCheck = name.substr(7);
+    var index = CSS_PROPERTIES_LIST.indexOf(nameToCheck);
+    if (index != -1) {
+      namesArray.push(CSS_PROPERTIES_LIST[index]);
+    }
+  } else {
+    var nameToCheck = 'webkit-' + name;
+    var index = CSS_PROPERTIES_LIST.indexOf(nameToCheck);
+    if (index != -1) {
+      namesArray.push(CSS_PROPERTIES_LIST[index]);
+    }
+  }
+
+  return namesArray;
+}
+
+
+var CSS_PROPERTIES_LIST = [];
+
+function init() {
+  var options = document.querySelector("#property-selector").options;
+  for (var i = 0, opt; opt = options[i]; ++i) {
+    CSS_PROPERTIES_LIST.push(options[i].textContent);
+  }
+}
+
+init();
+
+
+// (function(exports) {
+
+// var allProperties = [];
+// var temp = {};
+// var dataArray= [];
+
+// google.load('visualization', '1.0', {packages:['corechart']});
+// //google.setOnLoadCallback(visualizationReady);
+
+// function getData() {
+// 	var xhr = new XMLHttpRequest();
+// 	xhr.open('GET', '/data/querystableinstances');
+	
+//   xhr.onloadend = function(e) {
+//     if (this.status == 200) {
+//       parsedData = JSON.parse(this.response);
+
+// console.log(parsedData);
+
+
+//       // Sort by date.
+//       parsedData.sort(function(obj1, obj2) {
+//         return obj1.date.epoch - obj2.date.epoch;
+//       });
+
+// console.log(parsedData)
+
+//       drawVisualization('color');
+//     }
+//   };
+
+//   xhr.send();
+// }
+
+
+
+// getData();
+
+// exports.goToChart = goToChart;
+
+// })(window);

static/js/metrics/mostPopular.js

@@ -0,0 +1,26 @@
+(function() {
+
+var parsedData;
+var propertyOrder = 'greatestToLeast';
+
+function getData() {
+  var xhr = new XMLHttpRequest();
+  xhr.open('GET', '/data/querystackrank');
+
+  xhr.onloadend = function(e) {
+    if (this.status == 200) {
+      parsedData = JSON.parse(this.responseText);
+      writeProperties();
+    }
+  }
+
+  xhr.send();
+}
+
+function writeProperties() {
+    
+}
+
+getData();
+
+})();

static/js/metrics/stackrank.js

@@ -0,0 +1,30 @@
+var dashboardApp = angular.module('dashboardApp', []);
+
+dashboardApp.controller('StackRankController', function($scope, $http) {
+  $scope.properties = [];
+  $scope.sortBy = '-day_percentage';
+
+  var desc = true;
+
+  $scope.fetchData = function() {
+    $http.get('/data/querystackrank').success(
+      function(resp, status, headers, config) {
+        // Filter out bad results.
+        $scope.properties = resp.filter(function(el, i) {
+          return el.property_name != 'ERROR' && el.bucket_id != 1;
+        });
+      }
+    );
+  };
+
+  $scope.sortList = function() {
+    desc = !desc;
+    $scope.sortBy = (desc ? '-' : '') + 'day_percentage';
+  };
+
+  $scope.fetchData();
+});
+
+//StackRankController.$inject = ['$scope', '$http'];
+
+

static/sass/_base.scss

@@ -4,131 +4,15 @@
 //@import "compass/css3/text-shadow";
 //@import "compass/css3/background-size";
 
-$default-font-color: #666666;
-$light-grey: #eee;
-
-@mixin display-flex() {
-  display: -webkit-flex;
-  display: -moz-flex;
-  display: -ms-flex;
-  display: -o-flex;
-  display: flex;
-}
-
-@mixin flex($val) {
-  -webkit-flex: $val;
-  -moz-flex: $val;
-  -ms-flex: $val;
-  -o-flex: $val;
-  flex: $val;
-}
-
-@mixin justify-content($val: center) {
-  -webkit-justify-content: $val;
-  -moz-justify-content: $val;
-  -ms-justify-content: $val;
-  -o-justify-content: $val;
-  justify-content: $val;
-}
-
-@mixin align-items($val: center) {
-  -webkit-align-items: $val;
-  -moz-align-items: $val;
-  -ms-align-items: $val;
-  -o-align-items: $val;
-  align-items: $val;
-}
-
-@mixin align-self($val: center) {
-  -webkit-align-self: $val;
-  -moz-align-self: $val;
-  -ms-align-self: $val;
-  -o-align-self: $val;
-  align-self: $val;
-}
-
-@mixin flex-direction($val) {
-  -webkit-flex-direction: $val;
-  -moz-flex-direction: $val;
-  -ms-flex-direction: $val;
-  -o-flex-direction: $val;
-  flex-direction: $val;
-}
-
-@mixin flex-wrap($val: nowrap) {
-  -webkit-flex-wrap: $val;
-  -moz-flex-wrap: $val;
-  -ms-flex-wrap: $val;
-  -o-flex-wrap: $val;
-  flex-wrap: $val;
-}
-
-// Old flexbox.
-@mixin display-box() {
-  display: -webkit-box;
-  display: -moz-box;
-  display: -ms-box;
-  display: -o-box;
-  display: box;
-}
-
-@mixin box-orient($val) {
-  -webkit-box-orient: $val;
-  -moz-box-orient: $val;
-  -ms-box-orient: $val;
-  -o-box-orient: $val;
-  box-orient: $val;
-}
-
-@mixin box-flex($val) {
-  -webkit-box-flex: $val;
-  -moz-box-flex: $val;
-  -ms-box-flex: $val;
-  -o-box-flex: $val;
-  box-flex: $val;
-}
-
-@mixin box-pack($val) {
-  -webkit-box-pack: $val;
-  -moz-box-pack: $val;
-  -ms-box-pack: $val;
-  -o-box-pack: $val;
-  box-pack: $val;
-}
-
-@mixin width-max-content() {
-  width: -webkit-max-content;
-  width: -moz-max-content;
-  width: -ms-max-content;
-  width: -o-max-content;
-  width: max-content;
-}
-
-@mixin user-select() {
-	-webkit-user-select: none;
-	-moz-user-select: none;
-	-o-user-select: none;
-	-ms-user-select: none;
-  user-select: none;
-}
-
-@mixin calc-width($val) {
-  width: -webkit-calc($val);
-  width: -moz-calc($val);
-  width: -ms-calc($val);
-  width: -o-calc($val);
-  width: calc($val);
-}
+@import "vars";
 
 * {
   box-sizing: border-box;
 }
 
 a {
-	color: navy;
 	text-decoration: none;
 }
 a:hover {
-	color: navy;
 	text-decoration: underline;
 }

static/sass/main.scss

@@ -1,15 +1,6 @@
 @import "base";
 @import "compass/css3/images";
 
-$bar-shadow-color: rgba(0, 0, 0, .065);
-$bar-border-color: #D4D4D4;
-$bar-gradient: linear-gradient(top, white, #F2F2F2);
-
-$chromium-color-dark: #366597;
-$chromium-color-medium: #85b4df;
-$chromium-color-light: #bdd6ed;
-$chromium-color-center: #4580c0;
-
 html, body {
 	height: 100%;
 }
@@ -31,6 +22,7 @@ a {
   color: $chromium-color-center;
 }
 a:hover {
+  color: $chromium-color-dark;
   text-decoration: none
 }
 b {
@@ -51,18 +43,18 @@ header, footer {
 }
 
 header {
-  margin: 15px 0 30px 0;
+  margin: 15px 0 0 0;
   @include user-select;
 
   aside {
     //@include display-box; //@include display-flex;
     @include align-items(center);
-    // @include gradient-bar-bg;
+    @include gradient-bar-bg;
     border-top-right-radius: 5px;
     border-bottom-right-radius: 5px;
     /* Uncomment gradient-bar-bg and these 2 to make pretty again */
-    //border-bottom: 1px solid $bar-border-color;
-    //border-right: 1px solid $bar-border-color;
+    border-bottom: 1px solid $bar-border-color;
+    border-right: 1px solid $bar-border-color;
     background-color: #FAFAFA;
     padding: 0.75em 1em;
 
@@ -95,7 +87,8 @@ header {
 
   nav {
     @include display-box; //@include display-flex;
-    width: 400px;
+    @include box-align(center); // TODO: remove. Needed because Safari and FF don't have new flexbox.
+    //width: 400px;
     margin-left: 3em;
 
     a {
@@ -108,6 +101,8 @@ header {
       border-radius: 3px;
       border-bottom: 1px solid $bar-border-color;
       border-right: 1px solid $bar-border-color;
+      padding-left: 3em;
+      text-transform: uppercase;
 
       &:hover {
         color: $chromium-color-center;
@@ -146,7 +141,7 @@ header {
   color: black;
   @include align-self(center);
   border-radius: 3px;
-  margin: 0 30px;
+  margin: 0 30px 30px 30px;
 }
 
 footer {
@@ -179,8 +174,10 @@ footer {
   @include display-box; //@include display-flex;
   @include justify-content(center);
   @include flex(1 0 0);
+  @include box-orient(vertical);
 
   margin: 30px;
+  overflow: auto;
 
   @include box-flex(1); // TODO: remove. Needed because Safari and FF don't have new flexbox.
 
@@ -237,9 +234,24 @@ footer {
 }
 
 
-
 @media only screen and (max-width: 700px) {
   #content { margin: 0; }
-  .warning { margin: 0; }
-  header   { margin: 0; }
+  .warning {
+    margin: 15px 0 0 0;
+  }
+  header {
+    margin: 0;
+    display: block;
+    aside {
+      padding-left: 100px;
+    }
+    nav {
+      margin: 10px 0;
+      @include box-pack(center);
+      a {
+        display: inline-block;
+        padding: 5px 10px 5px 40px;
+      }
+    }
+  }
 }

static/sass/metrics/metrics.scss

@@ -0,0 +1,73 @@
+@import "compass/css3/images";
+
+@import "vars";
+
+.line_chart {
+  height: 500px;
+  width: 900px;
+  margin: 0 auto;
+}
+
+#dashboard-table {
+  margin: 0 auto;
+}
+
+.metric-nav {
+  //border-bottom: 1px solid $bar-border-color;
+  //background: $chromium-color-light;
+  border-bottom: 2px solid $chromium-color-center;
+  text-align: center;
+
+  li {
+    display: inline-block;
+    border-top-left-radius: 3px;
+    border-top-right-radius: 3px;
+    @include background($bar-gradient);
+    box-shadow: 1px 1px 4px $bar-shadow-color;
+    padding: 0.5em;
+    margin: 0 5px;
+  }
+}
+
+#content section {
+  padding-top: 25px;
+
+  h1 {
+    display: inline-block;
+    vertical-align: middle;
+    margin-right: 10px;
+  }
+
+  p {
+    margin-top: 10px;
+  }
+
+  #stack-rank-list {
+    margin: 1em 0;
+
+    li {
+      padding: 5px 0;
+
+      // &:nth-child(even):hover {
+      //   background-color: #ccc;
+      // }
+
+      > span {
+        display: inline-block;
+
+        &:first-of-type {
+          width: 110px;
+          margin-right: 10px;
+          text-align: right;
+        }
+      }
+    }
+  }
+}
+
+@media only screen and (max-width: 700px) {
+  .metric-nav {
+    text-align: center;
+    margin-top: 15px;
+  }
+}

static/sass/vars.scss

@@ -0,0 +1,132 @@
+$default-font-color: #666666;
+$light-grey: #eee;
+
+$bar-shadow-color: rgba(0, 0, 0, .065);
+$bar-border-color: #D4D4D4;
+$bar-gradient: linear-gradient(top, white, #F2F2F2);
+
+$chromium-color-dark: #366597;
+$chromium-color-medium: #85b4df;
+$chromium-color-light: #bdd6ed;
+$chromium-color-center: #4580c0;
+
+@mixin display-flex() {
+  display: -webkit-flex;
+  display: -moz-flex;
+  display: -ms-flex;
+  display: -o-flex;
+  display: flex;
+}
+
+@mixin flex($val) {
+  -webkit-flex: $val;
+  -moz-flex: $val;
+  -ms-flex: $val;
+  -o-flex: $val;
+  flex: $val;
+}
+
+@mixin justify-content($val: center) {
+  -webkit-justify-content: $val;
+  -moz-justify-content: $val;
+  -ms-justify-content: $val;
+  -o-justify-content: $val;
+  justify-content: $val;
+}
+
+@mixin align-items($val: center) {
+  -webkit-align-items: $val;
+  -moz-align-items: $val;
+  -ms-align-items: $val;
+  -o-align-items: $val;
+  align-items: $val;
+}
+
+@mixin align-self($val: center) {
+  -webkit-align-self: $val;
+  -moz-align-self: $val;
+  -ms-align-self: $val;
+  -o-align-self: $val;
+  align-self: $val;
+}
+
+@mixin flex-direction($val) {
+  -webkit-flex-direction: $val;
+  -moz-flex-direction: $val;
+  -ms-flex-direction: $val;
+  -o-flex-direction: $val;
+  flex-direction: $val;
+}
+
+@mixin flex-wrap($val: nowrap) {
+  -webkit-flex-wrap: $val;
+  -moz-flex-wrap: $val;
+  -ms-flex-wrap: $val;
+  -o-flex-wrap: $val;
+  flex-wrap: $val;
+}
+
+// Old flexbox.
+@mixin display-box() {
+  display: -webkit-box;
+  display: -moz-box;
+  display: -ms-box;
+  display: -o-box;
+  display: box;
+}
+
+@mixin box-orient($val) {
+  -webkit-box-orient: $val;
+  -moz-box-orient: $val;
+  -ms-box-orient: $val;
+  -o-box-orient: $val;
+  box-orient: $val;
+}
+
+@mixin box-align($val) {
+  -webkit-box-align: $val;
+  -moz-box-align: $val;
+  -ms-box-align: $val;
+  -o-box-align: $val;
+  box-align: $val;
+}
+
+@mixin box-flex($val) {
+  -webkit-box-flex: $val;
+  -moz-box-flex: $val;
+  -ms-box-flex: $val;
+  -o-box-flex: $val;
+  box-flex: $val;
+}
+
+@mixin box-pack($val) {
+  -webkit-box-pack: $val;
+  -moz-box-pack: $val;
+  -ms-box-pack: $val;
+  -o-box-pack: $val;
+  box-pack: $val;
+}
+
+@mixin width-max-content() {
+  width: -webkit-max-content;
+  width: -moz-max-content;
+  width: -ms-max-content;
+  width: -o-max-content;
+  width: max-content;
+}
+
+@mixin user-select() {
+  -webkit-user-select: none;
+  -moz-user-select: none;
+  -o-user-select: none;
+  -ms-user-select: none;
+  user-select: none;
+}
+
+@mixin calc-width($val) {
+  width: -webkit-calc($val);
+  width: -moz-calc($val);
+  width: -ms-calc($val);
+  width: -o-calc($val);
+  width: calc($val);
+}

templates/admin/features/new.html

@@ -4,7 +4,7 @@
 
 <section>
   <h2>Add a feature:</h2>
-  <form name="feature_form" method="POST" action="/newfeature">
+  <form name="feature_form" method="POST" action="{{current_path}}">
     <table>
       <!--<tr><th><label for="id_key_name">key_name:</label></th><td><input type="text" name="key_name" id="id_key_name" required /></td></tr>-->
       {{ feature_form }}

templates/base.html

@@ -30,7 +30,7 @@
 // Author: Eric Bidelman (ericbidelman@chromium.org)
 -->
 <!DOCTYPE html>
-<html ng-app>
+<html ng-app="dashboardApp">
 <head>
 <meta charset="utf-8">
 <title>{{ APP_TITLE }}</title>
@@ -38,6 +38,8 @@
 <link rel="stylesheet" type="text/css" href="//fonts.googleapis.com/css?family=Open+Sans:300,300italic,600,800">
 <link rel="stylesheet" type="text/css" href="/static/css/main.css?2012-03-06">
 
+{% block css %} {% endblock %}
+
 <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0">
 
 <!-- iOS: run in full-screen mode and display upper status bar as translucent -->
@@ -47,7 +49,7 @@
 <!--<link rel="apple-touch-icon" href="/static/images/identity/HTML5_Badge_64.png">
 <link rel="apple-touch-icon-precomposed" href="/static/images/identity/HTML5_Badge_64.png">-->
 
-<!-- <script src="/static/js/angular.min.js"></script> -->
+<script src="/static/js/angular.min.js"></script>
 </head>
 
 <body>
@@ -60,7 +62,8 @@
   {% include "footer.html" %}
 </div>
 
-<!-- <script src="/static/js/app.js"></script> -->
+<script src="/static/js/app.js"></script>
+{% block js %}{% endblock %}
 <script>
   var _gaq = _gaq || [];
   _gaq.push(['_setAccount', 'UA-39048143-1']);

templates/features.html

@@ -1,8 +1,11 @@
 {% extends "base.html" %}
 
-
 {% block content %}
 
+<div class="warning">
+  <b>April 3, 2013</b>: This dashboard is under construction. For an older snapshot of some of this data see <a href="https://sites.google.com/a/chromium.org/dev/developers/web-platform-status" target="_blank">Web Platform Status</a>. For more info, read our <a href="https://groups.google.com/a/chromium.org/d/topic/chromium-dev/E6lCV7diafU/discussion" target="_blank">chromium-dev announcement</a> or visit the <a href="https://docs.google.com/document/d/1jrSlM4Yhae7XCJ8BuasWx71CvDEMMbSKbXwx7hoh1Co/edit?pli=1" target="_blank">FAQ</a>. The raw spreadsheet data is <a href="https://docs.google.com/spreadsheet/ccc?key=0AjGgk26K1Cc-dFdfUlRQRWtjUm5XdjB4cmFGWjhTZmc#gid=0" target="_blank">here</a>.
+</div>
+
 <!--
 {% load verbatim %}
 

templates/header.html

@@ -6,11 +6,8 @@
       <span>a status of what we're up to</span>
     </hgroup>
   </aside>
-<!--   <nav>
+  <nav>
     <a href="/features" class="features">Features</a>
-    <a href="/metrics" class="metrics disabled">Metrics</a>
-  </nav> -->
+    <a href="/metrics" class="metrics">Metrics</a>
+  </nav>
 </header>
-<div class="warning">
-  <b>April 3, 2013</b>: This dashboard is under construction. For an older snapshot of some of this data see <a href="https://sites.google.com/a/chromium.org/dev/developers/web-platform-status" target="_blank">Web Platform Status</a>. For more info, read our <a href="https://groups.google.com/a/chromium.org/d/topic/chromium-dev/E6lCV7diafU/discussion" target="_blank">chromium-dev announcement</a> or visit the <a href="https://docs.google.com/document/d/1jrSlM4Yhae7XCJ8BuasWx71CvDEMMbSKbXwx7hoh1Co/edit?pli=1" target="_blank">FAQ</a>. The raw spreadsheet data is <a href="https://docs.google.com/spreadsheet/ccc?key=0AjGgk26K1Cc-dFdfUlRQRWtjUm5XdjB4cmFGWjhTZmc#gid=0" target="_blank">here</a>.
-</div>

templates/index.html

@@ -1,11 +1,6 @@
 
 {% block content %}
 
-<style>
-body {
-  overflow: hidden;
-}
-</style>
-<iframe seamless src="//sites.google.com/a/chromium.org/dev/developers/web-platform-status" style="width:100%;height:100%;"></iframe>
+NOTHING HERE
 
 {% endblock %}

templates/metrics.html

@@ -1,7 +1,26 @@
 {% extends "base.html" %}
 
+{% block css %}
+<link rel="stylesheet" type="text/css" href="/static/css/metrics/metrics.css">
+{% endblock %}
+
+{% block js %}
+<script src="/static/js/metrics/mostPopular.js"></script>
+{% endblock %}
+
 {% block content %}
 
-Come back soon :)
+{% include "metrics/_nav.html" %}
+
+<section>
+<h1>CSS Property Usage</h1>
+<p>CSS Properties in order of calls made to each property. Currently counting all calls, including the user agent style sheet. Per-page stats, excluding the user agent style sheet to come soon!</p>
+</section>
+
+<!-- NOT COMPLETE. Depends on stack. -->
+<!--
+<section><h1>Most Popular</h1>
+<p>Top 10 CSS Properties by percentage of pages which use each property. Statistics excluding the user agent style sheet to come soon!</p>
+</section>-->
 
 {% endblock %}

templates/metrics/_nav.html

@@ -0,0 +1,5 @@
+<ul class="metric-nav">
+  <li><a href="/metrics">Most Popular</a></li>
+  <li><a href="/metrics/featurelevel">Feature Level</a></li>
+  <li><a href="/metrics/stackrank">Stack Rank</a></li>
+</ul>

templates/metrics/featurelevel.html

@@ -0,0 +1,35 @@
+{% extends "base.html" %}
+{% load verbatim %}
+
+{% block css %}
+<link rel="stylesheet" type="text/css" href="/static/css/metrics/metrics.css">
+{% endblock %}
+
+{% block js %}
+<!-- <script src='//www.google.com/jsapi?autoload={"modules":[{"name":"visualization","version":"1","packages":["corechart"],"callback": "onGoogLoad"}]}'></script> -->
+<script src='//www.google.com/jsapi?autoload={"modules":[{"name":"visualization","version":"1","packages":["corechart"]}]}'></script>
+<!-- <script src="https://www.google.com/jsapi"></script> -->
+<script src="/static/js/metrics/featurelevel.js"></script>
+{% endblock %}
+
+{% block content %}
+
+{% include "metrics/_nav.html" %}
+
+<section ng-controller="TimeLineController">
+<h1>CSS Feature Over Time</h1>
+<select id="property-selector" onchange="goToChart('property-selector')">
+  {% for key, value in CSS_PROPERTY_BUCKETS.items %}
+    <option value="{{key}}">{{value}}</option>
+  {% endfor %}
+</select>
+<p>Use of CSS properties over time. Statistics excluding the user agent style sheet to come soon!</p>
+
+{% verbatim %}
+<div id="chart-container" style="width:900px;margin: 0 auto;">  
+  <div id="chart"></div>
+</div>
+</section>
+{% endverbatim %}
+
+{% endblock %}

templates/metrics/stackrank.html

@@ -0,0 +1,33 @@
+{% extends "base.html" %}
+{% load verbatim %}
+
+{% block css %}
+<link rel="stylesheet" type="text/css" href="/static/css/metrics/metrics.css">
+{% endblock %}
+
+{% block js %}
+<script src="/static/js/angular.resource.min.js"></script>
+<script src="/static/js/metrics/stackrank.js"></script>
+{% endblock %}
+
+{% block content %}
+
+{% include "metrics/_nav.html" %}
+
+{% verbatim %}
+<section ng-controller="StackRankController">
+<h1>Stack Rank</h1>
+<p>CSS Properties in order of popularity. Values reflect the percentage of
+  surveyed pages which use each property.</p>
+<p><button ng-click="sortList()">Swap order</button><p>
+
+<ol id="stack-rank-list">
+  <li ng-show="!properties.length" class="loading">Loading...</li>
+  <li ng-repeat="prop in properties | orderBy:sortBy">
+    <span>{{prop.day_percentage | number }}%</span><span>{{prop.property_name}}</span>
+  </li>
+</ol>
+</section>
+{% endverbatim %}
+
+{% endblock %}