Initial commit of sync engine code to browser/sync....

chrome/browser/sync/protocol/proto2_to_oproto.py

+# 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)
+