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#!/usr/bin/env python
# Copyright (c) 2012 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.
"""Generate java DescriptorProto file.
Usage:
protobuf_lite_java_descriptor_proto.py {protoc} {java_out} {include} {proto_files}
This is a helper file for the protobuf_lite_java_gen_descriptor_proto action in
protobuf.gyp.
It performs the following steps:
1. Recursively deletes old java_out directory.
2. Creates java_out directory.
3. Generates Java descriptor proto file using protoc.
"""
import os
import shutil
import subprocess
import sys
def main(argv):
if len(argv) < 4:
usage()
return 1
protoc_path, java_out, include = argv[1:4]
proto_files = argv[4:]
# Delete all old sources
if os.path.exists(java_out):
shutil.rmtree(java_out)
# Create source directory
os.makedirs(java_out)
# Generate Java files using protoc
return subprocess.call(
[protoc_path, '--java_out', java_out, '-I' + include]
+ proto_files)
def usage():
print(__doc__);
if __name__ == '__main__':
sys.exit(main(sys.argv))
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