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# 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.
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
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 = '-fno-wrapv -frtti -std=c++11'
if 'win32' in sys.platform:
# 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'
else:
EXTRA_ENV_COMPILE_ARGS += ' -D_ftime=_ftime64 -D_timeb=__timeb64'
if EXTRA_ENV_LINK_ARGS is None:
EXTRA_ENV_LINK_ARGS = '-lpthread'
if 'win32' in sys.platform:
# TODO(atash) check if this is actually safe to just import and call on
# non-Windows (to avoid breaking import style)
from distutils.cygwinccompiler import get_msvcr
msvcr = get_msvcr()[0]
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 = (('HAVE_PTHREAD', 1),)
if "win32" in sys.platform and '64bit' in platform.architecture()[0]:
DEFINE_MACROS += (('MS_WIN64', 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')] + [
os.path.join(CC_INCLUDE, cc_file)
for cc_file in CC_FILES]
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,
license='3-clause BSD',
ext_modules=extension_modules(),
packages=setuptools.find_packages('.'),
namespace_packages=['grpc'],
install_requires=[
'protobuf>=3.0.0',
'grpcio>=0.15.0',
],
package_data=package_data(),
)
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