90 lines
2.7 KiB
Python
90 lines
2.7 KiB
Python
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# Copyright (c) 2009 The Chromium Embedded Framework Authors. All rights
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# reserved. Use of this source code is governed by a BSD-style license that
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# can be found in the LICENSE file.
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import pickle
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from optparse import OptionParser
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from os.path import isfile
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import sys
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from file_util import *
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from patch_util import *
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# cannot be loaded as a module
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if __name__ != "__main__":
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sys.stderr.write('This file cannot be loaded as a module!')
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sys.exit()
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# parse command-line options
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disc = """
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This utility applies patch files.
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"""
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parser = OptionParser(description=disc)
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parser.add_option('--patch-dir', dest='patchdir', metavar='DIR',
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help='source directory for patch files')
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(options, args) = parser.parse_args()
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# the patchdir option is required
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if options.patchdir is None:
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parser.print_help(sys.stdout)
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sys.exit()
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# normalize the directory value
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patchdir = options.patchdir.replace('\\', '/')
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if patchdir[-1] != '/':
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patchdir += '/'
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# check if the patching should be skipped
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if isfile(patchdir + 'NOPATCH'):
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nopatch = True
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sys.stdout.write('NOPATCH exists -- files have not been patched.\n')
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else:
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nopatch = False
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# locate the patch configuration file
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patchcfg = patchdir + 'patch.cfg'
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if not isfile(patchcfg):
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sys.stderr.write('File '+patchcfg+' does not exist.\n')
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sys.exit()
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scope = {}
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execfile(patchcfg, scope)
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patches = scope["patches"]
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for name in patches.keys():
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file = patchdir+'patches/'+name+'.patch'
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if not isfile(file):
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sys.stderr.write('Patch file '+file+' does not exist.\n')
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else:
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sys.stderr.write('Reading patch file '+file+'\n')
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dir = patches[name]
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patchObj = from_file(file)
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patchObj.apply(dir)
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# read the current include file, if any
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incfile = patchdir + 'patch_state.h'
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if nopatch:
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incnew = """// This file is generated by the patch tool and should not be edited manually.
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#ifndef _PATCH_STATE_H
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#define _PATCH_STATE_H
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// No patches have been applied to the Chromium/WebKit source base.
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#define CEF_PATCHES_APPLIED 0
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#endif // _PATCH_STATE_H
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"""
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else:
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incnew = """// This file is generated by the patch tool and should not be edited manually.
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#ifndef _PATCH_STATE_H
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#define _PATCH_STATE_H
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// Patches have been applied to the Chromium/WebKit source base.
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#define CEF_PATCHES_APPLIED 1
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#endif // _PATCH_STATE_H
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"""
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inccur = ''
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if isfile(incfile):
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inccur = read_file(incfile)
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if inccur != incnew:
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sys.stdout.write('Writing file '+incfile+'.\n')
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write_file(incfile, incnew)
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