grpc/tools/distrib/python/check_grpcio_tools.py

#!/usr/bin/env python

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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OUT_OF_DATE_MESSAGE = """file {} is out of date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(make.BAZEL_DEPS_PROTOC_LIB_QUERY)

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)