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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
# 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.
# By default we assume a GCC-like compiler.
EXTRA_COMPILE_ARGS = shlex.split(os.environ.get('GRPC_PYTHON_CFLAGS',
'-fno-wrapv -frtti -std=c++11'))
EXTRA_LINK_ARGS = shlex.split(os.environ.get('GRPC_PYTHON_LDFLAGS',
'-lpthread'))
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 protoc_ext_module():
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=(
[os.path.join('grpc', 'tools', '_protoc_compiler.pyx')] +
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),
)
return plugin_ext
def maybe_cythonize(exts):
from Cython import Build
return Build.cythonize(exts)
setuptools.setup(
name='grpcio_tools',
version=grpc_version.VERSION,
license='3-clause BSD',
ext_modules=maybe_cythonize([
protoc_ext_module(),
]),
packages=setuptools.find_packages('.'),
namespace_packages=['grpc'],
install_requires=[
'protobuf>=3.0.0a3',
'grpcio>=0.15.0',
],
package_data=package_data(),
)
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