protoc_plugin.py

#!/usr/bin/env python

import sys

from google.protobuf.compiler import plugin_pb2 as plugin


def generate_code(req):
    res = plugin.CodeGeneratorResponse()
    for input in req.proto_file:
        output = res.file.add(
            name=input.name.replace('.proto', '_prpc_pb2.py'),
            content='# generated',
        )
    return res


def main():
    data = sys.stdin.read()
    req = plugin.CodeGeneratorRequest()
    req.ParseFromString(data)
    res = generate_code(request, response)
    sys.stdout.write(response.SerializeToString())

if __name__ == '__main__':
   main()