mirror of https://github.com/grpc/grpc.git
The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
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218 lines
8.6 KiB
218 lines
8.6 KiB
# Copyright 2016, Google Inc. |
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# All rights reserved. |
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# |
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# Redistribution and use in source and binary forms, with or without |
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# modification, are permitted provided that the following conditions are |
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# met: |
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# |
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# * Redistributions of source code must retain the above copyright |
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# notice, this list of conditions and the following disclaimer. |
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# * Redistributions in binary form must reproduce the above |
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# copyright notice, this list of conditions and the following disclaimer |
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# in the documentation and/or other materials provided with the |
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# distribution. |
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# * Neither the name of Google Inc. nor the names of its |
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# contributors may be used to endorse or promote products derived from |
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# this software without specific prior written permission. |
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# |
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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from distutils import cygwinccompiler |
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from distutils import extension |
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from distutils import util |
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import errno |
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import os |
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import os.path |
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import pkg_resources |
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import platform |
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import re |
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import shlex |
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import shutil |
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import sys |
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import sysconfig |
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import setuptools |
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from setuptools.command import build_ext |
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# TODO(atash) add flag to disable Cython use |
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os.chdir(os.path.dirname(os.path.abspath(__file__))) |
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sys.path.insert(0, os.path.abspath('.')) |
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import protoc_lib_deps |
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import grpc_version |
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PY3 = sys.version_info.major == 3 |
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# Environment variable to determine whether or not the Cython extension should |
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# *use* Cython or use the generated C files. Note that this requires the C files |
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# to have been generated by building first *with* Cython support. |
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BUILD_WITH_CYTHON = os.environ.get('GRPC_PYTHON_BUILD_WITH_CYTHON', False) |
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# There are some situations (like on Windows) where CC, CFLAGS, and LDFLAGS are |
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# entirely ignored/dropped/forgotten by distutils and its Cygwin/MinGW support. |
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# We use these environment variables to thus get around that without locking |
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# ourselves in w.r.t. the multitude of operating systems this ought to build on. |
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# We can also use these variables as a way to inject environment-specific |
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# compiler/linker flags. We assume GCC-like compilers and/or MinGW as a |
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# reasonable default. |
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EXTRA_ENV_COMPILE_ARGS = os.environ.get('GRPC_PYTHON_CFLAGS', None) |
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EXTRA_ENV_LINK_ARGS = os.environ.get('GRPC_PYTHON_LDFLAGS', None) |
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if EXTRA_ENV_COMPILE_ARGS is None: |
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EXTRA_ENV_COMPILE_ARGS = '-std=c++11' |
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if 'win32' in sys.platform: |
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if sys.version_info < (3, 5): |
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# We use define flags here and don't directly add to DEFINE_MACROS below to |
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# ensure that the expert user/builder has a way of turning it off (via the |
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# envvars) without adding yet more GRPC-specific envvars. |
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# See https://sourceforge.net/p/mingw-w64/bugs/363/ |
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if '32' in platform.architecture()[0]: |
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EXTRA_ENV_COMPILE_ARGS += ' -D_ftime=_ftime32 -D_timeb=__timeb32 -D_ftime_s=_ftime32_s' |
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else: |
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EXTRA_ENV_COMPILE_ARGS += ' -D_ftime=_ftime64 -D_timeb=__timeb64' |
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else: |
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# We need to statically link the C++ Runtime, only the C runtime is |
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# available dynamically |
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EXTRA_ENV_COMPILE_ARGS += ' /MT' |
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elif "linux" in sys.platform or "darwin" in sys.platform: |
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EXTRA_ENV_COMPILE_ARGS += ' -fno-wrapv -frtti' |
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if EXTRA_ENV_LINK_ARGS is None: |
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EXTRA_ENV_LINK_ARGS = '' |
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if "linux" in sys.platform or "darwin" in sys.platform: |
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EXTRA_ENV_LINK_ARGS += ' -lpthread' |
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elif "win32" in sys.platform and sys.version_info < (3, 5): |
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msvcr = cygwinccompiler.get_msvcr()[0] |
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# TODO(atash) sift through the GCC specs to see if libstdc++ can have any |
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# influence on the linkage outcome on MinGW for non-C++ programs. |
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EXTRA_ENV_LINK_ARGS += ( |
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' -static-libgcc -static-libstdc++ -mcrtdll={msvcr} ' |
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'-static'.format(msvcr=msvcr)) |
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EXTRA_COMPILE_ARGS = shlex.split(EXTRA_ENV_COMPILE_ARGS) |
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EXTRA_LINK_ARGS = shlex.split(EXTRA_ENV_LINK_ARGS) |
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CC_FILES = [ |
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os.path.normpath(cc_file) for cc_file in protoc_lib_deps.CC_FILES] |
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PROTO_FILES = [ |
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os.path.normpath(proto_file) for proto_file in protoc_lib_deps.PROTO_FILES] |
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CC_INCLUDE = os.path.normpath(protoc_lib_deps.CC_INCLUDE) |
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PROTO_INCLUDE = os.path.normpath(protoc_lib_deps.PROTO_INCLUDE) |
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GRPC_PYTHON_TOOLS_PACKAGE = 'grpc_tools' |
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GRPC_PYTHON_PROTO_RESOURCES_NAME = '_proto' |
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DEFINE_MACROS = () |
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if "win32" in sys.platform: |
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DEFINE_MACROS += (('WIN32_LEAN_AND_MEAN', 1),) |
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if '64bit' in platform.architecture()[0]: |
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DEFINE_MACROS += (('MS_WIN64', 1),) |
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elif "linux" in sys.platform or "darwin" in sys.platform: |
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DEFINE_MACROS += (('HAVE_PTHREAD', 1),) |
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# By default, Python3 distutils enforces compatibility of |
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# c plugins (.so files) with the OSX version Python3 was built with. |
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# For Python3.4, this is OSX 10.6, but we need Thread Local Support (__thread) |
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if 'darwin' in sys.platform and PY3: |
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mac_target = sysconfig.get_config_var('MACOSX_DEPLOYMENT_TARGET') |
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if mac_target and (pkg_resources.parse_version(mac_target) < |
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pkg_resources.parse_version('10.9.0')): |
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os.environ['MACOSX_DEPLOYMENT_TARGET'] = '10.9' |
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os.environ['_PYTHON_HOST_PLATFORM'] = re.sub( |
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r'macosx-[0-9]+\.[0-9]+-(.+)', |
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r'macosx-10.9-\1', |
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util.get_platform()) |
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def package_data(): |
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tools_path = GRPC_PYTHON_TOOLS_PACKAGE.replace('.', os.path.sep) |
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proto_resources_path = os.path.join(tools_path, |
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GRPC_PYTHON_PROTO_RESOURCES_NAME) |
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proto_files = [] |
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for proto_file in PROTO_FILES: |
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source = os.path.join(PROTO_INCLUDE, proto_file) |
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target = os.path.join(proto_resources_path, proto_file) |
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relative_target = os.path.join(GRPC_PYTHON_PROTO_RESOURCES_NAME, proto_file) |
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try: |
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os.makedirs(os.path.dirname(target)) |
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except OSError as error: |
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if error.errno == errno.EEXIST: |
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pass |
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else: |
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raise |
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shutil.copy(source, target) |
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proto_files.append(relative_target) |
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return {GRPC_PYTHON_TOOLS_PACKAGE: proto_files} |
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def extension_modules(): |
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if BUILD_WITH_CYTHON: |
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plugin_sources = [os.path.join('grpc_tools', '_protoc_compiler.pyx')] |
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else: |
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plugin_sources = [os.path.join('grpc_tools', '_protoc_compiler.cpp')] |
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plugin_sources += [ |
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os.path.join('grpc_tools', 'main.cc'), |
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os.path.join('grpc_root', 'src', 'compiler', 'python_generator.cc')] |
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#HACK: Substitute the embed.cc, which is a JS to C++ |
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# preprocessor with the generated code. |
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# The generated code should not be material |
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# to the parts of protoc we use (it affects |
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# the JavaScript code generator, supposedly), |
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# but we need to be cautious about it. |
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cc_files_clone = list(CC_FILES) |
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embed_cc_file = os.path.normpath('google/protobuf/compiler/js/embed.cc') |
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well_known_types_file = os.path.normpath( |
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'google/protobuf/compiler/js/well_known_types_embed.cc') |
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if embed_cc_file in cc_files_clone: |
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cc_files_clone.remove(embed_cc_file) |
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if well_known_types_file in cc_files_clone: |
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cc_files_clone.remove(well_known_types_file) |
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plugin_sources += [os.path.join('grpc_tools', 'protobuf_generated_well_known_types_embed.cc')] |
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plugin_sources += [os.path.join(CC_INCLUDE, cc_file) for cc_file in cc_files_clone] |
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plugin_ext = extension.Extension( |
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name='grpc_tools._protoc_compiler', |
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sources=plugin_sources, |
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include_dirs=[ |
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'.', |
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'grpc_root', |
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os.path.join('grpc_root', 'include'), |
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CC_INCLUDE, |
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], |
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language='c++', |
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define_macros=list(DEFINE_MACROS), |
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extra_compile_args=list(EXTRA_COMPILE_ARGS), |
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extra_link_args=list(EXTRA_LINK_ARGS), |
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) |
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extensions = [plugin_ext] |
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if BUILD_WITH_CYTHON: |
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from Cython import Build |
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return Build.cythonize(extensions) |
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else: |
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return extensions |
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setuptools.setup( |
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name='grpcio-tools', |
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version=grpc_version.VERSION, |
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description='Protobuf code generator for gRPC', |
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author='The gRPC Authors', |
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author_email='grpc-io@googlegroups.com', |
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url='http://www.grpc.io', |
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license='3-clause BSD', |
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ext_modules=extension_modules(), |
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packages=setuptools.find_packages('.'), |
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install_requires=[ |
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'protobuf>=3.2.0', |
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'grpcio>={version}'.format(version=grpc_version.VERSION), |
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], |
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package_data=package_data(), |
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)
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