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# Copyright (c) 2009 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
""" Strip a .proto of options not supported by open-source protobuf tools. """
import re
import sys
if __name__ == '__main__':
if len(sys.argv) != 3:
print "Usage: %s input_file output_file " % sys.argv[0]
sys.exit(1)
input_file = sys.argv[1]
output_file = sys.argv[2]
protobuf = open(input_file).read()
# Comment out lines like "option java_api_version = 1;"
protobuf = re.sub("(option .*api_version.*\=.*)", r"// \1", protobuf)
# Comment out lines like "option java_java5_enums = false;"
protobuf = re.sub("(option .*java_java5_enums.*\=.*)", r"// \1", protobuf)
# Comment out the java package.
protobuf = re.sub("(option .*java_package.*\=.*)", r"// \1", protobuf)
open(output_file, "w").write(protobuf)
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