gecko-dev/tools/moztreedocs/mach_commands.py

316 строки
11 KiB
Python

# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, # You can obtain one at http://mozilla.org/MPL/2.0/.
from __future__ import absolute_import, print_function, unicode_literals
import fnmatch
import multiprocessing
import os
import re
import subprocess
import sys
import time
import yaml
from functools import partial
from pprint import pprint
from mozbuild.base import MachCommandBase
from mach.decorators import (
Command,
CommandArgument,
CommandProvider,
)
here = os.path.abspath(os.path.dirname(__file__))
topsrcdir = os.path.abspath(os.path.dirname(os.path.dirname(here)))
DOC_ROOT = os.path.join(topsrcdir, 'docs')
JSDOC_NOT_FOUND = """\
JSDoc==3.5.5 is required to build the docs but was not found on your system.
Please install it globally by running:
$ npm install -g jsdoc@3.5.5
Bug 1498604 tracks bootstrapping jsdoc properly.
Bug 1556460 tracks supporting newer versions of jsdoc.
"""
@CommandProvider
class Documentation(MachCommandBase):
"""Helps manage in-tree documentation."""
def __init__(self, context):
super(Documentation, self).__init__(context)
self._manager = None
self._project = None
self._version = None
@Command('doc', category='devenv',
description='Generate and serve documentation from the tree.')
@CommandArgument('path', default=None, metavar='DIRECTORY', nargs='?',
help='Path to documentation to build and display.')
@CommandArgument('--format', default='html', dest='fmt',
help='Documentation format to write.')
@CommandArgument('--outdir', default=None, metavar='DESTINATION',
help='Where to write output.')
@CommandArgument('--archive', action='store_true',
help='Write a gzipped tarball of generated docs.')
@CommandArgument('--no-open', dest='auto_open', default=True,
action='store_false',
help="Don't automatically open HTML docs in a browser.")
@CommandArgument('--no-serve', dest='serve', default=True, action='store_false',
help="Don't serve the generated docs after building.")
@CommandArgument('--http', default='localhost:5500', metavar='ADDRESS',
help='Serve documentation on the specified host and port, '
'default "localhost:5500".')
@CommandArgument('--upload', action='store_true',
help='Upload generated files to S3.')
@CommandArgument('-j', '--jobs', default=str(multiprocessing.cpu_count()), dest='jobs',
help='Distribute the build over N processes in parallel.')
def build_docs(self, path=None, fmt='html', outdir=None, auto_open=True,
serve=True, http=None, archive=False, upload=False, jobs=None):
if self.check_jsdoc():
return die(JSDOC_NOT_FOUND)
self.activate_pipenv(os.path.join(here, 'Pipfile'))
import webbrowser
from livereload import Server
from moztreedocs.package import create_tarball
outdir = outdir or os.path.join(self.topobjdir, 'docs')
savedir = os.path.join(outdir, fmt)
path = path or self.topsrcdir
path = os.path.normpath(os.path.abspath(path))
docdir = self._find_doc_dir(path)
if not docdir:
print(self._dump_sphinx_backtrace())
return die('failed to generate documentation:\n'
'%s: could not find docs at this location' % path)
result = self._run_sphinx(docdir, savedir, fmt=fmt, jobs=jobs)
if result != 0:
print(self._dump_sphinx_backtrace())
return die('failed to generate documentation:\n'
'%s: sphinx return code %d' % (path, result))
else:
print('\nGenerated documentation:\n%s' % savedir)
print('Post processing HTML files')
self._post_process_html(savedir)
if archive:
archive_path = os.path.join(outdir, '%s.tar.gz' % self.project)
create_tarball(archive_path, savedir)
print('Archived to %s' % archive_path)
if upload:
self._s3_upload(savedir, self.project, self.version)
if not serve:
index_path = os.path.join(savedir, 'index.html')
if auto_open and os.path.isfile(index_path):
webbrowser.open(index_path)
return
# Create livereload server. Any files modified in the specified docdir
# will cause a re-build and refresh of the browser (if open).
try:
host, port = http.split(':', 1)
port = int(port)
except ValueError:
return die('invalid address: %s' % http)
server = Server()
sphinx_trees = self.manager.trees or {savedir: docdir}
for _, src in sphinx_trees.items():
run_sphinx = partial(self._run_sphinx, src, savedir, fmt=fmt, jobs=jobs)
server.watch(src, run_sphinx)
server.serve(host=host, port=port, root=savedir,
open_url_delay=0.1 if auto_open else None)
def _dump_sphinx_backtrace(self):
"""
If there is a sphinx dump file, read and return
its content.
By default, it isn't displayed.
"""
pattern = "sphinx-err-*"
output = ""
tmpdir = "/tmp"
if not os.path.isdir(tmpdir):
# Only run it on Linux
return
files = os.listdir(tmpdir)
for name in files:
if fnmatch.fnmatch(name, pattern):
pathFile = os.path.join(tmpdir, name)
stat = os.stat(pathFile)
output += "Name: {0} / Creation date: {1}\n".format(
pathFile, time.ctime(stat.st_mtime))
with open(pathFile) as f:
output += f.read()
return output
def _run_sphinx(self, docdir, savedir, config=None, fmt='html', jobs=None):
import sphinx.cmd.build
config = config or self.manager.conf_py_path
args = [
'-b', fmt,
'-c', os.path.dirname(config),
docdir,
savedir,
]
if jobs:
args.extend(['-j', jobs])
return sphinx.cmd.build.build_main(args)
def _post_process_html(self, savedir):
"""
Perform some operations on the generated html to fix some URL
"""
MERMAID_VERSION = "8.4.4"
for root, _, files in os.walk(savedir):
for file in files:
if file.endswith(".html"):
p = os.path.join(root, file)
with open(p, 'r') as file:
filedata = file.read()
# Workaround https://bugzilla.mozilla.org/show_bug.cgi?id=1607143
# to avoid a CSP error
# This method should be removed once
# https://github.com/mgaitan/sphinxcontrib-mermaid/pull/37 is merged
# As sphinx-mermaid currently uses an old version, also force
# a more recent version
filedata = re.sub(r'https://unpkg.com/mermaid@.*/dist',
r'https://cdnjs.cloudflare.com/ajax/libs/mermaid/{}'
.format(MERMAID_VERSION), filedata)
with open(p, 'w') as file:
file.write(filedata)
@property
def manager(self):
if not self._manager:
from moztreedocs import manager
self._manager = manager
return self._manager
def _read_project_properties(self):
import imp
path = os.path.normpath(self.manager.conf_py_path)
with open(path, 'r') as fh:
conf = imp.load_module('doc_conf', fh, path,
('.py', 'r', imp.PY_SOURCE))
# Prefer the Mozilla project name, falling back to Sphinx's
# default variable if it isn't defined.
project = getattr(conf, 'moz_project_name', None)
if not project:
project = conf.project.replace(' ', '_')
self._project = project
self._version = getattr(conf, 'version', None)
@property
def project(self):
if not self._project:
self._read_project_properties()
return self._project
@property
def version(self):
if not self._version:
self._read_project_properties()
return self._version
def _find_doc_dir(self, path):
if os.path.isfile(path):
return
valid_doc_dirs = ('doc', 'docs')
if os.path.basename(path) in valid_doc_dirs:
return path
for d in valid_doc_dirs:
p = os.path.join(path, d)
if os.path.isdir(p):
return p
def _s3_upload(self, root, project, version=None):
from moztreedocs.package import distribution_files
from moztreedocs.upload import s3_upload, s3_set_redirects
# Files are uploaded to multiple locations:
#
# <project>/latest
# <project>/<version>
#
# This allows multiple projects and versions to be stored in the
# S3 bucket.
files = list(distribution_files(root))
key_prefixes = ['%s/latest' % project]
if version:
key_prefixes.append('%s/%s' % (project, version))
# Until we redirect / to main/latest, upload the main docs
# to the root.
if project == 'main':
key_prefixes.append('')
with open(os.path.join(DOC_ROOT, 'config.yml'), 'r') as fh:
redirects = yaml.safe_load(fh)['redirects']
redirects = {k.strip("/"): v.strip("/") for k, v in redirects.items()}
all_redirects = {}
for prefix in key_prefixes:
s3_upload(files, prefix)
# Don't setup redirects for the "version" prefix since we are
# exceeding a 50 redirect limit and external things are unlikely to
# link there anyway (see bug 1614908).
if version and prefix.endswith(version):
continue
if prefix:
prefix += '/'
all_redirects.update({prefix + k: prefix + v for k, v in redirects.items()})
print("Redirects currently staged")
pprint(all_redirects, indent=1)
s3_set_redirects(all_redirects)
def check_jsdoc(self):
try:
from mozfile import which
exe_name = which('jsdoc')
if not exe_name:
return 1
out = subprocess.check_output([exe_name, '--version'])
version = out.split()[1]
except subprocess.CalledProcessError:
version = None
if not version or not version.startswith(b'3.5'):
return 1
def die(msg, exit_code=1):
msg = '%s: %s' % (sys.argv[0], msg)
print(msg, file=sys.stderr)
return exit_code