83 lines
2.6 KiB
Python
83 lines
2.6 KiB
Python
# Copyright (c) 2011 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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from cef_parser import *
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import datetime
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from optparse import OptionParser
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import os
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import shutil
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import sys
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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 creates the version header file.
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"""
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parser = OptionParser(description=disc)
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parser.add_option('--header', dest='header', metavar='FILE',
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help='output version header file [required]')
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parser.add_option('-q', '--quiet',
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action='store_true', dest='quiet', default=False,
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help='do not output detailed status information')
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(options, args) = parser.parse_args()
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# the header option is required
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if options.header is None:
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parser.print_help(sys.stdout)
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sys.exit()
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def get_revision():
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""" Retrieves the revision number from stdin. """
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try:
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# read the revision number
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for line in sys.stdin:
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if line[0:9] == "Revision:":
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return line[10:-1];
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raise IOError("Revision line not found.")
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except IOError, (errno, strerror):
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sys.stderr.write('Failed to read revision from stdin: ' + strerror)
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raise
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def get_year():
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""" Returns the current year. """
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return str(datetime.datetime.now().year)
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def write_svn_header(file):
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""" Creates the header file for the current revision if the revision has
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changed or if the file doesn't already exist. """
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if file_exists(file):
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oldcontents = read_file(file)
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else:
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oldcontents = ''
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newcontents = '// This file is generated by the make_version_header.py tool.\n'+\
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'#ifndef _VERSION_H\n'+\
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'#define _VERSION_H\n'+\
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'\n'+\
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'#define SVN_REVISION ' + get_revision() + '\n'+\
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'#define COPYRIGHT_YEAR ' + get_year() + '\n'+\
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'\n'+\
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'#define DO_MAKE_STRING(p) #p\n'+\
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'#define MAKE_STRING(p) DO_MAKE_STRING(p)\n'+\
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'\n'+\
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'#endif\n'
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if newcontents != oldcontents:
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write_file(file, newcontents)
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return True
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return False
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written = write_svn_header(options.header)
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if not options.quiet:
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if written:
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sys.stdout.write('File '+options.header+' updated.\n')
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else:
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sys.stdout.write('File '+options.header+' is already up to date.\n')
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