зеркало из https://github.com/mozilla/gecko-dev.git
490 строки
17 KiB
Python
490 строки
17 KiB
Python
# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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'''jarmaker.py provides a python class to package up chrome content by
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processing jar.mn files.
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See the documentation for jar.mn on MDC for further details on the format.
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'''
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import sys
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import os
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import os.path
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import errno
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import re
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import logging
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from time import localtime
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from optparse import OptionParser
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from MozZipFile import ZipFile
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from cStringIO import StringIO
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from datetime import datetime
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from utils import pushback_iter, lockFile
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from Preprocessor import Preprocessor
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from buildlist import addEntriesToListFile
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if sys.platform == "win32":
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from ctypes import windll, WinError
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CreateHardLink = windll.kernel32.CreateHardLinkA
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__all__ = ['JarMaker']
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class ZipEntry:
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'''Helper class for jar output.
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This class defines a simple file-like object for a zipfile.ZipEntry
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so that we can consecutively write to it and then close it.
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This methods hooks into ZipFile.writestr on close().
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'''
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def __init__(self, name, zipfile):
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self._zipfile = zipfile
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self._name = name
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self._inner = StringIO()
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def write(self, content):
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'Append the given content to this zip entry'
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self._inner.write(content)
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return
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def close(self):
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'The close method writes the content back to the zip file.'
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self._zipfile.writestr(self._name, self._inner.getvalue())
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def getModTime(aPath):
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if not os.path.isfile(aPath):
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return 0
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mtime = os.stat(aPath).st_mtime
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return localtime(mtime)
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class JarMaker(object):
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'''JarMaker reads jar.mn files and process those into jar files or
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flat directories, along with chrome.manifest files.
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'''
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ignore = re.compile('\s*(\#.*)?$')
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jarline = re.compile('(?:(?P<jarfile>[\w\d.\-\_\\\/]+).jar\:)|(?:\s*(\#.*)?)\s*$')
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regline = re.compile('\%\s+(.*)$')
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entryre = '(?P<optPreprocess>\*)?(?P<optOverwrite>\+?)\s+'
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entryline = re.compile(entryre + '(?P<output>[\w\d.\-\_\\\/\+]+)\s*(\((?P<locale>\%?)(?P<source>[\w\d.\-\_\\\/]+)\))?\s*$')
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def __init__(self, outputFormat = 'flat', useJarfileManifest = True,
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useChromeManifest = False):
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self.outputFormat = outputFormat
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self.useJarfileManifest = useJarfileManifest
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self.useChromeManifest = useChromeManifest
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self.pp = Preprocessor()
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def getCommandLineParser(self):
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'''Get a optparse.OptionParser for jarmaker.
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This OptionParser has the options for jarmaker as well as
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the options for the inner PreProcessor.
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'''
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# HACK, we need to unescape the string variables we get,
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# the perl versions didn't grok strings right
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p = self.pp.getCommandLineParser(unescapeDefines = True)
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p.add_option('-f', type="choice", default="jar",
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choices=('jar', 'flat', 'symlink'),
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help="fileformat used for output", metavar="[jar, flat, symlink]")
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p.add_option('-v', action="store_true", dest="verbose",
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help="verbose output")
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p.add_option('-q', action="store_false", dest="verbose",
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help="verbose output")
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p.add_option('-e', action="store_true",
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help="create chrome.manifest instead of jarfile.manifest")
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p.add_option('--both-manifests', action="store_true",
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dest="bothManifests",
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help="create chrome.manifest and jarfile.manifest")
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p.add_option('-s', type="string", action="append", default=[],
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help="source directory")
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p.add_option('-t', type="string",
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help="top source directory")
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p.add_option('-c', '--l10n-src', type="string", action="append",
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help="localization directory")
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p.add_option('--l10n-base', type="string", action="append", default=[],
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help="base directory to be used for localization (multiple)")
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p.add_option('-j', type="string",
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help="jarfile directory")
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# backwards compat, not needed
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p.add_option('-a', action="store_false", default=True,
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help="NOT SUPPORTED, turn auto-registration of chrome off (installed-chrome.txt)")
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p.add_option('-d', type="string",
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help="UNUSED, chrome directory")
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p.add_option('-o', help="cross compile for auto-registration, ignored")
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p.add_option('-l', action="store_true",
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help="ignored (used to switch off locks)")
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p.add_option('-x', action="store_true",
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help="force Unix")
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p.add_option('-z', help="backwards compat, ignored")
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p.add_option('-p', help="backwards compat, ignored")
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return p
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def processIncludes(self, includes):
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'''Process given includes with the inner PreProcessor.
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Only use this for #defines, the includes shouldn't generate
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content.
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'''
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self.pp.out = StringIO()
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for inc in includes:
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self.pp.do_include(inc)
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includesvalue = self.pp.out.getvalue()
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if includesvalue:
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logging.info("WARNING: Includes produce non-empty output")
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self.pp.out = None
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pass
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def finalizeJar(self, jarPath, chromebasepath, register,
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doZip=True):
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'''Helper method to write out the chrome registration entries to
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jarfile.manifest or chrome.manifest, or both.
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The actual file processing is done in updateManifest.
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'''
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# rewrite the manifest, if entries given
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if not register:
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return
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chromeManifest = os.path.join(os.path.dirname(jarPath),
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'..', 'chrome.manifest')
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if self.useJarfileManifest:
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self.updateManifest(jarPath + '.manifest', chromebasepath % '',
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register)
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addEntriesToListFile(chromeManifest, ['manifest chrome/%s.manifest' % (os.path.basename(jarPath),)])
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if self.useChromeManifest:
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self.updateManifest(chromeManifest, chromebasepath % 'chrome/',
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register)
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def updateManifest(self, manifestPath, chromebasepath, register):
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'''updateManifest replaces the % in the chrome registration entries
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with the given chrome base path, and updates the given manifest file.
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'''
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lock = lockFile(manifestPath + '.lck')
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try:
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myregister = dict.fromkeys(map(lambda s: s.replace('%', chromebasepath),
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register.iterkeys()))
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manifestExists = os.path.isfile(manifestPath)
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mode = (manifestExists and 'r+b') or 'wb'
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mf = open(manifestPath, mode)
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if manifestExists:
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# import previous content into hash, ignoring empty ones and comments
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imf = re.compile('(#.*)?$')
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for l in re.split('[\r\n]+', mf.read()):
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if imf.match(l):
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continue
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myregister[l] = None
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mf.seek(0)
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for k in myregister.iterkeys():
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mf.write(k + os.linesep)
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mf.close()
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finally:
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lock = None
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def makeJar(self, infile=None,
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jardir='',
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sourcedirs=[], topsourcedir='', localedirs=None):
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'''makeJar is the main entry point to JarMaker.
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It takes the input file, the output directory, the source dirs and the
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top source dir as argument, and optionally the l10n dirs.
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'''
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if isinstance(infile, basestring):
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logging.info("processing " + infile)
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pp = self.pp.clone()
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pp.out = StringIO()
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pp.do_include(infile)
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lines = pushback_iter(pp.out.getvalue().splitlines())
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try:
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while True:
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l = lines.next()
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m = self.jarline.match(l)
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if not m:
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raise RuntimeError(l)
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if m.group('jarfile') is None:
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# comment
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continue
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self.processJarSection(m.group('jarfile'), lines,
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jardir, sourcedirs, topsourcedir,
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localedirs)
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except StopIteration:
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# we read the file
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pass
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return
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def makeJars(self, infiles, l10nbases,
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jardir='',
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sourcedirs=[], topsourcedir='', localedirs=None):
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'''makeJars is the second main entry point to JarMaker.
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It takes an iterable sequence of input file names, the l10nbases,
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the output directory, the source dirs and the
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top source dir as argument, and optionally the l10n dirs.
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It iterates over all inputs, guesses srcdir and l10ndir from the
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path and topsourcedir and calls into makeJar.
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The l10ndirs are created by guessing the relativesrcdir, and resolving
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that against the l10nbases. l10nbases can either be path strings, or
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callables. In the latter case, that will be called with the
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relativesrcdir as argument, and is expected to return a path string.
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This logic is disabled if the jar.mn path is not inside the topsrcdir.
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'''
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topsourcedir = os.path.normpath(os.path.abspath(topsourcedir))
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def resolveL10nBase(relpath):
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def _resolve(base):
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if isinstance(base, basestring):
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return os.path.join(base, relpath)
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if callable(base):
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return base(relpath)
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return base
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return _resolve
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for infile in infiles:
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srcdir = os.path.normpath(os.path.abspath(os.path.dirname(infile)))
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l10ndir = srcdir
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if os.path.basename(srcdir) == 'locales':
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l10ndir = os.path.dirname(l10ndir)
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l10ndirs = None
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# srcdir may not be a child of topsourcedir, in which case
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# we assume that the caller passed in suitable sourcedirs,
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# and just skip passing in localedirs
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if srcdir.startswith(topsourcedir):
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rell10ndir = l10ndir[len(topsourcedir):].lstrip(os.sep)
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l10ndirs = map(resolveL10nBase(rell10ndir), l10nbases)
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if localedirs is not None:
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l10ndirs += [os.path.normpath(os.path.abspath(s))
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for s in localedirs]
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srcdirs = [os.path.normpath(os.path.abspath(s))
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for s in sourcedirs] + [srcdir]
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self.makeJar(infile=infile,
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sourcedirs=srcdirs, topsourcedir=topsourcedir,
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localedirs=l10ndirs,
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jardir=jardir)
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def processJarSection(self, jarfile, lines,
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jardir, sourcedirs, topsourcedir, localedirs):
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'''Internal method called by makeJar to actually process a section
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of a jar.mn file.
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jarfile is the basename of the jarfile or the directory name for
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flat output, lines is a pushback_iterator of the lines of jar.mn,
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the remaining options are carried over from makeJar.
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'''
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# chromebasepath is used for chrome registration manifests
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# %s is getting replaced with chrome/ for chrome.manifest, and with
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# an empty string for jarfile.manifest
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chromebasepath = '%s' + os.path.basename(jarfile)
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if self.outputFormat == 'jar':
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chromebasepath = 'jar:' + chromebasepath + '.jar!'
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chromebasepath += '/'
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jarfile = os.path.join(jardir, jarfile)
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jf = None
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if self.outputFormat == 'jar':
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#jar
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jarfilepath = jarfile + '.jar'
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try:
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os.makedirs(os.path.dirname(jarfilepath))
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except OSError, error:
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if error.errno != errno.EEXIST:
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raise
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jf = ZipFile(jarfilepath, 'a', lock = True)
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outHelper = self.OutputHelper_jar(jf)
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else:
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outHelper = getattr(self, 'OutputHelper_' + self.outputFormat)(jarfile)
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register = {}
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# This loop exits on either
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# - the end of the jar.mn file
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# - an line in the jar.mn file that's not part of a jar section
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# - on an exception raised, close the jf in that case in a finally
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try:
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while True:
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try:
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l = lines.next()
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except StopIteration:
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# we're done with this jar.mn, and this jar section
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self.finalizeJar(jarfile, chromebasepath, register)
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if jf is not None:
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jf.close()
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# reraise the StopIteration for makeJar
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raise
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if self.ignore.match(l):
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continue
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m = self.regline.match(l)
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if m:
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rline = m.group(1)
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register[rline] = 1
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continue
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m = self.entryline.match(l)
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if not m:
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# neither an entry line nor chrome reg, this jar section is done
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self.finalizeJar(jarfile, chromebasepath, register)
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if jf is not None:
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jf.close()
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lines.pushback(l)
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return
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self._processEntryLine(m, sourcedirs, topsourcedir, localedirs,
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outHelper, jf)
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finally:
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if jf is not None:
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jf.close()
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return
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def _processEntryLine(self, m,
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sourcedirs, topsourcedir, localedirs,
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outHelper, jf):
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out = m.group('output')
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src = m.group('source') or os.path.basename(out)
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# pick the right sourcedir -- l10n, topsrc or src
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if m.group('locale'):
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src_base = localedirs
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elif src.startswith('/'):
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# path/in/jar/file_name.xul (/path/in/sourcetree/file_name.xul)
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# refers to a path relative to topsourcedir, use that as base
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# and strip the leading '/'
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src_base = [topsourcedir]
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src = src[1:]
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else:
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# use srcdirs and the objdir (current working dir) for relative paths
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src_base = sourcedirs + [os.getcwd()]
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# check if the source file exists
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realsrc = None
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for _srcdir in src_base:
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if os.path.isfile(os.path.join(_srcdir, src)):
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realsrc = os.path.join(_srcdir, src)
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break
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if realsrc is None:
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if jf is not None:
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jf.close()
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raise RuntimeError('File "%s" not found in %s' % (src, ', '.join(src_base)))
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if m.group('optPreprocess'):
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outf = outHelper.getOutput(out)
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inf = open(realsrc)
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pp = self.pp.clone()
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if src[-4:] == '.css':
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pp.setMarker('%')
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pp.out = outf
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pp.do_include(inf)
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pp.warnUnused(realsrc)
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outf.close()
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inf.close()
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return
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# copy or symlink if newer or overwrite
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if (m.group('optOverwrite')
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or (getModTime(realsrc) >
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outHelper.getDestModTime(m.group('output')))):
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if self.outputFormat == 'symlink':
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outHelper.symlink(realsrc, out)
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return
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outf = outHelper.getOutput(out)
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# open in binary mode, this can be images etc
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inf = open(realsrc, 'rb')
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outf.write(inf.read())
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outf.close()
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inf.close()
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class OutputHelper_jar(object):
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'''Provide getDestModTime and getOutput for a given jarfile.
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'''
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def __init__(self, jarfile):
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self.jarfile = jarfile
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def getDestModTime(self, aPath):
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try :
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info = self.jarfile.getinfo(aPath)
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return info.date_time
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except:
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return 0
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def getOutput(self, name):
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return ZipEntry(name, self.jarfile)
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class OutputHelper_flat(object):
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'''Provide getDestModTime and getOutput for a given flat
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output directory. The helper method ensureDirFor is used by
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the symlink subclass.
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'''
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def __init__(self, basepath):
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self.basepath = basepath
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def getDestModTime(self, aPath):
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return getModTime(os.path.join(self.basepath, aPath))
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def getOutput(self, name):
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out = self.ensureDirFor(name)
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# remove previous link or file
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try:
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os.remove(out)
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except OSError, e:
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if e.errno != errno.ENOENT:
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raise
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return open(out, 'wb')
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def ensureDirFor(self, name):
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out = os.path.join(self.basepath, name)
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outdir = os.path.dirname(out)
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if not os.path.isdir(outdir):
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try:
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os.makedirs(outdir)
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except OSError, error:
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if error.errno != errno.EEXIST:
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raise
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return out
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class OutputHelper_symlink(OutputHelper_flat):
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'''Subclass of OutputHelper_flat that provides a helper for
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creating a symlink including creating the parent directories.
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'''
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def symlink(self, src, dest):
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out = self.ensureDirFor(dest)
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# remove previous link or file
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try:
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os.remove(out)
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except OSError, e:
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if e.errno != errno.ENOENT:
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raise
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if sys.platform != "win32":
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os.symlink(src, out)
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else:
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# On Win32, use ctypes to create a hardlink
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rv = CreateHardLink(out, src, None)
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if rv == 0:
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raise WinError()
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def main():
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jm = JarMaker()
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p = jm.getCommandLineParser()
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(options, args) = p.parse_args()
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jm.processIncludes(options.I)
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jm.outputFormat = options.f
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if options.e:
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jm.useChromeManifest = True
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jm.useJarfileManifest = False
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if options.bothManifests:
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jm.useChromeManifest = True
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jm.useJarfileManifest = True
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noise = logging.INFO
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if options.verbose is not None:
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noise = (options.verbose and logging.DEBUG) or logging.WARN
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if sys.version_info[:2] > (2,3):
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logging.basicConfig(format = "%(message)s")
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else:
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logging.basicConfig()
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logging.getLogger().setLevel(noise)
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topsrc = options.t
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topsrc = os.path.normpath(os.path.abspath(topsrc))
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if not args:
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jm.makeJar(infile=sys.stdin,
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sourcedirs=options.s, topsourcedir=topsrc,
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localedirs=options.l10n_src,
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jardir=options.j)
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else:
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jm.makeJars(args, options.l10n_base,
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jardir=options.j,
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sourcedirs=options.s, topsourcedir=topsrc,
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localedirs=options.l10n_src)
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|
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if __name__ == "__main__":
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main()
|