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#!/usr/bin/env python

# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
#     * Redistributions of source code must retain the above copyright
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#     * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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import cStringIO

import make_grpcio_tools as make

OUT_OF_DATE_MESSAGE = """file {} is out of date

Have you called tools/distrib/python/make_grpcio_tools.py since upgrading protobuf?"""

check_protoc_lib_deps_content = make.get_deps()

with open(make.GRPC_PYTHON_PROTOC_LIB_DEPS, 'r') as protoc_lib_deps_file:
  if protoc_lib_deps_file.read() != check_protoc_lib_deps_content:
    print(OUT_OF_DATE_MESSAGE.format(make.GRPC_PYTHON_PROTOC_LIB_DEPS))
    raise SystemExit(1)