| # 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. |
| |
| from distutils import cygwinccompiler |
| from distutils import extension |
| from distutils import util |
| import errno |
| import os |
| import os.path |
| import pkg_resources |
| import platform |
| import re |
| import shlex |
| import shutil |
| import sys |
| import sysconfig |
| |
| import setuptools |
| from setuptools.command import build_ext |
| |
| # TODO(atash) add flag to disable Cython use |
| |
| os.chdir(os.path.dirname(os.path.abspath(__file__))) |
| sys.path.insert(0, os.path.abspath('.')) |
| |
| import protoc_lib_deps |
| import grpc_version |
| |
| CLASSIFIERS = [ |
| 'Development Status :: 5 - Production/Stable', |
| 'Programming Language :: Python', |
| 'Programming Language :: Python :: 2', |
| 'Programming Language :: Python :: 2.7', |
| 'Programming Language :: Python :: 3', |
| 'Programming Language :: Python :: 3.4', |
| 'Programming Language :: Python :: 3.5', |
| 'Programming Language :: Python :: 3.6', |
| 'License :: OSI Approved :: Apache Software License', |
| ] |
| |
| PY3 = sys.version_info.major == 3 |
| |
| # Environment variable to determine whether or not the Cython extension should |
| # *use* Cython or use the generated C files. Note that this requires the C files |
| # to have been generated by building first *with* Cython support. |
| BUILD_WITH_CYTHON = os.environ.get('GRPC_PYTHON_BUILD_WITH_CYTHON', False) |
| |
| # There are some situations (like on Windows) where CC, CFLAGS, and LDFLAGS are |
| # entirely ignored/dropped/forgotten by distutils and its Cygwin/MinGW support. |
| # We use these environment variables to thus get around that without locking |
| # ourselves in w.r.t. the multitude of operating systems this ought to build on. |
| # We can also use these variables as a way to inject environment-specific |
| # compiler/linker flags. We assume GCC-like compilers and/or MinGW as a |
| # reasonable default. |
| EXTRA_ENV_COMPILE_ARGS = os.environ.get('GRPC_PYTHON_CFLAGS', None) |
| EXTRA_ENV_LINK_ARGS = os.environ.get('GRPC_PYTHON_LDFLAGS', None) |
| if EXTRA_ENV_COMPILE_ARGS is None: |
| EXTRA_ENV_COMPILE_ARGS = '-std=c++11' |
| if 'win32' in sys.platform: |
| if sys.version_info < (3, 5): |
| # We use define flags here and don't directly add to DEFINE_MACROS below to |
| # ensure that the expert user/builder has a way of turning it off (via the |
| # envvars) without adding yet more GRPC-specific envvars. |
| # See https://sourceforge.net/p/mingw-w64/bugs/363/ |
| if '32' in platform.architecture()[0]: |
| EXTRA_ENV_COMPILE_ARGS += ' -D_ftime=_ftime32 -D_timeb=__timeb32 -D_ftime_s=_ftime32_s -D_hypot=hypot' |
| else: |
| EXTRA_ENV_COMPILE_ARGS += ' -D_ftime=_ftime64 -D_timeb=__timeb64 -D_hypot=hypot' |
| else: |
| # We need to statically link the C++ Runtime, only the C runtime is |
| # available dynamically |
| EXTRA_ENV_COMPILE_ARGS += ' /MT' |
| elif "linux" in sys.platform or "darwin" in sys.platform: |
| EXTRA_ENV_COMPILE_ARGS += ' -fno-wrapv -frtti' |
| if EXTRA_ENV_LINK_ARGS is None: |
| EXTRA_ENV_LINK_ARGS = '' |
| if "linux" in sys.platform or "darwin" in sys.platform: |
| EXTRA_ENV_LINK_ARGS += ' -lpthread' |
| elif "win32" in sys.platform and sys.version_info < (3, 5): |
| msvcr = cygwinccompiler.get_msvcr()[0] |
| # TODO(atash) sift through the GCC specs to see if libstdc++ can have any |
| # influence on the linkage outcome on MinGW for non-C++ programs. |
| EXTRA_ENV_LINK_ARGS += ( |
| ' -static-libgcc -static-libstdc++ -mcrtdll={msvcr} ' |
| '-static'.format(msvcr=msvcr)) |
| |
| EXTRA_COMPILE_ARGS = shlex.split(EXTRA_ENV_COMPILE_ARGS) |
| EXTRA_LINK_ARGS = shlex.split(EXTRA_ENV_LINK_ARGS) |
| |
| CC_FILES = [ |
| os.path.normpath(cc_file) for cc_file in protoc_lib_deps.CC_FILES] |
| PROTO_FILES = [ |
| os.path.normpath(proto_file) for proto_file in protoc_lib_deps.PROTO_FILES] |
| CC_INCLUDE = os.path.normpath(protoc_lib_deps.CC_INCLUDE) |
| PROTO_INCLUDE = os.path.normpath(protoc_lib_deps.PROTO_INCLUDE) |
| |
| GRPC_PYTHON_TOOLS_PACKAGE = 'grpc_tools' |
| GRPC_PYTHON_PROTO_RESOURCES_NAME = '_proto' |
| |
| DEFINE_MACROS = () |
| if "win32" in sys.platform: |
| DEFINE_MACROS += (('WIN32_LEAN_AND_MEAN', 1),) |
| if '64bit' in platform.architecture()[0]: |
| DEFINE_MACROS += (('MS_WIN64', 1),) |
| elif "linux" in sys.platform or "darwin" in sys.platform: |
| DEFINE_MACROS += (('HAVE_PTHREAD', 1),) |
| |
| # By default, Python3 distutils enforces compatibility of |
| # c plugins (.so files) with the OSX version Python3 was built with. |
| # For Python3.4, this is OSX 10.6, but we need Thread Local Support (__thread) |
| if 'darwin' in sys.platform and PY3: |
| mac_target = sysconfig.get_config_var('MACOSX_DEPLOYMENT_TARGET') |
| if mac_target and (pkg_resources.parse_version(mac_target) < |
| pkg_resources.parse_version('10.9.0')): |
| os.environ['MACOSX_DEPLOYMENT_TARGET'] = '10.9' |
| os.environ['_PYTHON_HOST_PLATFORM'] = re.sub( |
| r'macosx-[0-9]+\.[0-9]+-(.+)', |
| r'macosx-10.9-\1', |
| util.get_platform()) |
| |
| def package_data(): |
| tools_path = GRPC_PYTHON_TOOLS_PACKAGE.replace('.', os.path.sep) |
| proto_resources_path = os.path.join(tools_path, |
| GRPC_PYTHON_PROTO_RESOURCES_NAME) |
| proto_files = [] |
| for proto_file in PROTO_FILES: |
| source = os.path.join(PROTO_INCLUDE, proto_file) |
| target = os.path.join(proto_resources_path, proto_file) |
| relative_target = os.path.join(GRPC_PYTHON_PROTO_RESOURCES_NAME, proto_file) |
| try: |
| os.makedirs(os.path.dirname(target)) |
| except OSError as error: |
| if error.errno == errno.EEXIST: |
| pass |
| else: |
| raise |
| shutil.copy(source, target) |
| proto_files.append(relative_target) |
| return {GRPC_PYTHON_TOOLS_PACKAGE: proto_files} |
| |
| def extension_modules(): |
| if BUILD_WITH_CYTHON: |
| plugin_sources = [os.path.join('grpc_tools', '_protoc_compiler.pyx')] |
| else: |
| plugin_sources = [os.path.join('grpc_tools', '_protoc_compiler.cpp')] |
| |
| plugin_sources += [ |
| os.path.join('grpc_tools', 'main.cc'), |
| os.path.join('grpc_root', 'src', 'compiler', 'python_generator.cc')] |
| |
| #HACK: Substitute the embed.cc, which is a JS to C++ |
| # preprocessor with the generated code. |
| # The generated code should not be material |
| # to the parts of protoc we use (it affects |
| # the JavaScript code generator, supposedly), |
| # but we need to be cautious about it. |
| cc_files_clone = list(CC_FILES) |
| embed_cc_file = os.path.normpath('google/protobuf/compiler/js/embed.cc') |
| well_known_types_file = os.path.normpath( |
| 'google/protobuf/compiler/js/well_known_types_embed.cc') |
| if embed_cc_file in cc_files_clone: |
| cc_files_clone.remove(embed_cc_file) |
| if well_known_types_file in cc_files_clone: |
| cc_files_clone.remove(well_known_types_file) |
| plugin_sources += [os.path.join('grpc_tools', 'protobuf_generated_well_known_types_embed.cc')] |
| plugin_sources += [os.path.join(CC_INCLUDE, cc_file) for cc_file in cc_files_clone] |
| |
| plugin_ext = extension.Extension( |
| name='grpc_tools._protoc_compiler', |
| sources=plugin_sources, |
| include_dirs=[ |
| '.', |
| 'grpc_root', |
| os.path.join('grpc_root', 'include'), |
| CC_INCLUDE, |
| ], |
| language='c++', |
| define_macros=list(DEFINE_MACROS), |
| extra_compile_args=list(EXTRA_COMPILE_ARGS), |
| extra_link_args=list(EXTRA_LINK_ARGS), |
| ) |
| extensions = [plugin_ext] |
| if BUILD_WITH_CYTHON: |
| from Cython import Build |
| return Build.cythonize(extensions) |
| else: |
| return extensions |
| |
| setuptools.setup( |
| name='grpcio-tools', |
| version=grpc_version.VERSION, |
| description='Protobuf code generator for gRPC', |
| author='The gRPC Authors', |
| author_email='grpc-io@googlegroups.com', |
| url='https://grpc.io', |
| license='Apache License 2.0', |
| classifiers=CLASSIFIERS, |
| ext_modules=extension_modules(), |
| packages=setuptools.find_packages('.'), |
| install_requires=[ |
| 'protobuf>=3.5.0.post1', |
| 'grpcio>={version}'.format(version=grpc_version.VERSION), |
| ], |
| package_data=package_data(), |
| ) |