old_contents: # Copyright 2016 gRPC authors.
  #
  # 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 os
  import pkg_resources
  import sys
  
  import setuptools
  
  from grpc_tools import protoc
  
  
  def build_package_protos(package_root):
      proto_files = []
      inclusion_root = os.path.abspath(package_root)
      for root, _, files in os.walk(inclusion_root):
          for filename in files:
              if filename.endswith('.proto'):
                  proto_files.append(
                      os.path.abspath(os.path.join(root, filename)))
  
      well_known_protos_include = pkg_resources.resource_filename(
          'grpc_tools', '_proto')
  
      for proto_file in proto_files:
          command = [
              'grpc_tools.protoc',
              '--proto_path={}'.format(inclusion_root),
              '--proto_path={}'.format(well_known_protos_include),
              '--python_out={}'.format(inclusion_root),
              '--grpc_python_out={}'.format(inclusion_root),
          ] + [proto_file]
          if protoc.main(command) != 0:
              sys.stderr.write('warning: {} failed'.format(command))
  
  
  class BuildPackageProtos(setuptools.Command):
      """Command to generate project *_pb2.py modules from proto files."""
  
      description = 'build grpc protobuf modules'
      user_options = []
  
      def initialize_options(self):
          pass
  
      def finalize_options(self):
          pass
  
      def run(self):
          # due to limitations of the proto generator, we require that only *one*
          # directory is provided as an 'include' directory. We assume it's the '' key
          # to `self.distribution.package_dir` (and get a key error if it's not
          # there).
          build_package_protos(self.distribution.package_dir[''])
  
new_contents: # Copyright 2016 gRPC authors.
  #
  # 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 os
  import pkg_resources
  import sys
  
  import setuptools
  
  from grpc_tools import protoc
  
  
  def build_package_protos(package_root):
      proto_files = []
      inclusion_root = os.path.abspath(package_root)
      for root, _, files in os.walk(inclusion_root):
          for filename in files:
              if filename.endswith('.proto'):
                  proto_files.append(
                      os.path.abspath(os.path.join(root, filename)))
  
      well_known_protos_include = pkg_resources.resource_filename(
          'grpc_tools', '_proto')
  
      for proto_file in proto_files:
          command = [
              'grpc_tools.protoc',
              '--proto_path={}'.format(inclusion_root),
              '--proto_path={}'.format(well_known_protos_include),
              '--python_out={}'.format(inclusion_root),
              '--grpc_python_out={}'.format(inclusion_root),
          ] + [proto_file]
          if protoc.main(command) != 0:
              raise RuntimeError('error: {} failed'.format(command))
  
  
  class BuildPackageProtos(setuptools.Command):
      """Command to generate project *_pb2.py modules from proto files."""
  
      description = 'build grpc protobuf modules'
      user_options = []
  
      def initialize_options(self):
          pass
  
      def finalize_options(self):
          pass
  
      def run(self):
          # due to limitations of the proto generator, we require that only *one*
          # directory is provided as an 'include' directory. We assume it's the '' key
          # to `self.distribution.package_dir` (and get a key error if it's not
          # there).
          build_package_protos(self.distribution.package_dir[''])
  
subject: Escalate the failure of protoc execution