зеркало из https://github.com/mozilla/gecko-dev.git
123 строки
4.2 KiB
Python
123 строки
4.2 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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import sys
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import hashlib
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import re
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import os
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from mozbuild.preprocessor import Preprocessor
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from mozbuild.util import DefinesAction
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from mozpack.packager.unpack import UnpackFinder
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from mozpack.files import DeflatedFile
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from collections import OrderedDict
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from StringIO import StringIO
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import argparse
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import buildconfig
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'''
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Find files duplicated in a given packaged directory, independently of its
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package format.
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'''
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def normalize_osx_path(p):
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'''
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Strips the first 3 elements of an OSX app path
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>>> normalize_osx_path('Nightly.app/foo/bar/baz')
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'baz'
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'''
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bits = p.split('/')
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if len(bits) > 3 and bits[0].endswith('.app'):
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return '/'.join(bits[3:])
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return p
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def is_l10n_file(path):
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return ('/locale/' in path or
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'/localization/' in path or
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path.startswith('localization/'))
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def normalize_path(p):
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return normalize_osx_path(p)
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def find_dupes(source, allowed_dupes, bail=True):
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allowed_dupes = set(allowed_dupes)
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md5s = OrderedDict()
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for p, f in UnpackFinder(source):
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content = f.open().read()
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m = hashlib.md5(content).digest()
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if m not in md5s:
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if isinstance(f, DeflatedFile):
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compressed = f.file.compressed_size
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else:
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compressed = len(content)
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md5s[m] = (len(content), compressed, [])
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md5s[m][2].append(p)
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total = 0
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total_compressed = 0
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num_dupes = 0
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unexpected_dupes = []
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for m, (size, compressed, paths) in sorted(md5s.iteritems(),
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key=lambda x: x[1][1]):
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if len(paths) > 1:
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print 'Duplicates %d bytes%s%s:' % (size,
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' (%d compressed)' % compressed if compressed != size else '',
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' (%d times)' % (len(paths) - 1) if len(paths) > 2 else '')
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print ''.join(' %s\n' % p for p in paths)
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total += (len(paths) - 1) * size
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total_compressed += (len(paths) - 1) * compressed
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num_dupes += 1
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for p in paths:
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if not is_l10n_file(p) and normalize_path(p) not in allowed_dupes:
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unexpected_dupes.append(p)
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if num_dupes:
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print "WARNING: Found %d duplicated files taking %d bytes (%s)" % \
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(num_dupes, total,
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'%d compressed' % total_compressed if total_compressed != total
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else 'uncompressed')
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if unexpected_dupes:
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errortype = "ERROR" if bail else "WARNING"
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print "%s: The following duplicated files are not allowed:" % errortype
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print "\n".join(unexpected_dupes)
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if bail:
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sys.exit(1)
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def main():
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parser = argparse.ArgumentParser(description='Find duplicate files in directory.')
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parser.add_argument('--warning', '-w', action='store_true',
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help='Only warn about duplicates, do not exit with an error')
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parser.add_argument('--file', '-f', action='append', dest='dupes_files', default=[],
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help='Add exceptions to the duplicate list from this file')
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parser.add_argument('-D', action=DefinesAction)
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parser.add_argument('-U', action='append', default=[])
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parser.add_argument('directory',
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help='The directory to check for duplicates in')
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args = parser.parse_args()
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allowed_dupes = []
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for filename in args.dupes_files:
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pp = Preprocessor()
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pp.context.update(buildconfig.defines['ALLDEFINES'])
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if args.D:
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pp.context.update(args.D)
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for undefine in args.U:
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if undefine in pp.context:
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del pp.context[undefine]
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pp.out = StringIO()
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pp.do_filter('substitution')
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pp.do_include(filename)
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allowed_dupes.extend([line.partition('#')[0].rstrip()
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for line in pp.out.getvalue().splitlines()])
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find_dupes(args.directory, bail=not args.warning, allowed_dupes=allowed_dupes)
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if __name__ == "__main__":
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main()
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