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# 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[''])
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