Add programmatic access to protoc in grpcio-tools

pull/6791/head
Masood Malekghassemi 9 years ago
parent d5fee35f93
commit ebf81e7a05
  1. 0
      tools/distrib/python/grpcio_tools/grpc/tools/_protoc_compiler.pyx
  2. 70
      tools/distrib/python/grpcio_tools/grpc/tools/command.py
  3. 13
      tools/distrib/python/grpcio_tools/grpc/tools/protoc.py
  4. 4
      tools/distrib/python/grpcio_tools/setup.py

@ -0,0 +1,70 @@
# Copyright 2016, 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
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * 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.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import os
import sys
import setuptools
from grpc.tools import protoc
class BuildProtoModules(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).
proto_files = []
inclusion_root = os.path.abspath(self.distribution.package_dir[''])
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)))
for proto_file in proto_files:
command = [
'grpc.tools.protoc',
'--proto_path={}'.format(inclusion_root),
'--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))

@ -32,10 +32,17 @@
import pkg_resources
import sys
from grpc.tools import protoc_compiler
from grpc.tools import _protoc_compiler
def main(command_arguments):
"""Run the protocol buffer compiler with the given command-line arguments.
Args:
command_arguments: a list of strings representing command line arguments to
`protoc`.
"""
return _protoc_compiler.run_main(command_arguments)
if __name__ == '__main__':
proto_include = pkg_resources.resource_filename('grpc.tools', '_proto')
protoc_compiler.run_main(
sys.argv + ['-I{}'.format(proto_include)])
sys.exit(main(sys.argv + ['-I{}'.format(proto_include)]))

@ -99,8 +99,8 @@ def protoc_ext_module():
os.path.join(protoc_lib_deps.CC_INCLUDE, cc_file)
for cc_file in protoc_lib_deps.CC_FILES]
plugin_ext = extension.Extension(
name='grpc.tools.protoc_compiler',
sources=['grpc/tools/protoc_compiler.pyx'] + plugin_sources,
name='grpc.tools._protoc_compiler',
sources=['grpc/tools/_protoc_compiler.pyx'] + plugin_sources,
include_dirs=[
'.',
'grpc_root',

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