1# Copyright 2016 gRPC authors. 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); 4# you may not use this file except in compliance with the License. 5# You may obtain a copy of the License at 6# 7# http://www.apache.org/licenses/LICENSE-2.0 8# 9# Unless required by applicable law or agreed to in writing, software 10# distributed under the License is distributed on an "AS IS" BASIS, 11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12# See the License for the specific language governing permissions and 13# limitations under the License. 14"""Provides distutils command classes for the GRPC Python setup process.""" 15 16import os 17import shutil 18 19import setuptools 20 21ROOT_DIR = os.path.abspath(os.path.dirname(os.path.abspath(__file__))) 22REFLECTION_PROTO = os.path.join( 23 ROOT_DIR, '../../proto/grpc/reflection/v1alpha/reflection.proto') 24 25 26class CopyProtoModules(setuptools.Command): 27 """Command to copy proto modules from grpc/src/proto.""" 28 29 description = '' 30 user_options = [] 31 32 def initialize_options(self): 33 pass 34 35 def finalize_options(self): 36 pass 37 38 def run(self): 39 if os.path.isfile(REFLECTION_PROTO): 40 shutil.copyfile( 41 REFLECTION_PROTO, 42 os.path.join(ROOT_DIR, 43 'grpc_reflection/v1alpha/reflection.proto')) 44 45 46class BuildPackageProtos(setuptools.Command): 47 """Command to generate project *_pb2.py modules from proto files.""" 48 49 description = 'build grpc protobuf modules' 50 user_options = [] 51 52 def initialize_options(self): 53 pass 54 55 def finalize_options(self): 56 pass 57 58 def run(self): 59 # due to limitations of the proto generator, we require that only *one* 60 # directory is provided as an 'include' directory. We assume it's the '' key 61 # to `self.distribution.package_dir` (and get a key error if it's not 62 # there). 63 from grpc_tools import command 64 command.build_package_protos(self.distribution.package_dir['']) 65