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# Copyright (C) 2021 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import argparse
import classpaths_pb2
import google.protobuf.json_format as json_format
import google.protobuf.text_format as text_format
def encode(args):
pb = classpaths_pb2.ExportedClasspathsJars()
if args.format == 'json':
json_format.Parse(args.input.read(), pb)
else:
text_format.Parse(args.input.read(), pb)
args.output.write(pb.SerializeToString())
args.input.close()
args.output.close()
def decode(args):
pb = classpaths_pb2.ExportedClasspathsJars()
pb.ParseFromString(args.input.read())
if args.format == 'json':
args.output.write(json_format.MessageToJson(pb))
else:
args.output.write(text_format.MessageToString(pb).encode('utf_8'))
args.input.close()
args.output.close()
def main():
parser = argparse.ArgumentParser('Convert classpaths.proto messages between binary and '
'human-readable formats.')
parser.add_argument('-f', '--format', default='textproto',
help='human-readable format, either json or text(proto), '
'defaults to textproto')
parser.add_argument('-i', '--input',
nargs='?', type=argparse.FileType('rb'), default=sys.stdin.buffer)
parser.add_argument('-o', '--output',
nargs='?', type=argparse.FileType('wb'),
default=sys.stdout.buffer)
subparsers = parser.add_subparsers()
parser_encode = subparsers.add_parser('encode',
help='convert classpaths protobuf message from '
'JSON to binary format',
parents=[parser], add_help=False)
parser_encode.set_defaults(func=encode)
parser_decode = subparsers.add_parser('decode',
help='print classpaths config in JSON format',
parents=[parser], add_help=False)
parser_decode.set_defaults(func=decode)
args = parser.parse_args()
args.func(args)
if __name__ == '__main__':
main()
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