# Copyright 2015 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.
"""A setup module for the GRPC Python package."""
from distutils import cygwinccompiler
from distutils import extension as _extension
from distutils import util
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 egg_info
# Redirect the manifest template from MANIFEST.in to PYTHON-MANIFEST.in.
egg_info.manifest_maker.template = 'PYTHON-MANIFEST.in'
PY3 = sys.version_info.major == 3
PYTHON_STEM = os.path.join('src', 'python', 'grpcio')
CORE_INCLUDE = ('include', '.',)
SSL_INCLUDE = (os.path.join('third_party', 'boringssl', 'include'),)
ZLIB_INCLUDE = (os.path.join('third_party', 'zlib'),)
NANOPB_INCLUDE = (os.path.join('third_party', 'nanopb'),)
CARES_INCLUDE = (
os.path.join('third_party', 'cares'),
os.path.join('third_party', 'cares', 'cares'),)
if 'darwin' in sys.platform:
CARES_INCLUDE += (os.path.join('third_party', 'cares', 'config_darwin'),)
if 'freebsd' in sys.platform:
CARES_INCLUDE += (os.path.join('third_party', 'cares', 'config_freebsd'),)
if 'linux' in sys.platform:
CARES_INCLUDE += (os.path.join('third_party', 'cares', 'config_linux'),)
if 'openbsd' in sys.platform:
CARES_INCLUDE += (os.path.join('third_party', 'cares', 'config_openbsd'),)
ADDRESS_SORTING_INCLUDE = (os.path.join('third_party', 'address_sorting', 'include'),)
README = os.path.join(PYTHON_STEM, 'README.rst')
# Ensure we're in the proper directory whether or not we're being used by pip.
os.chdir(os.path.dirname(os.path.abspath(__file__)))
sys.path.insert(0, os.path.abspath(PYTHON_STEM))
# Break import-style to ensure we can actually find our in-repo dependencies.
import _spawn_patch
import commands
import grpc_core_dependencies
import grpc_version
_spawn_patch.monkeypatch_spawn()
LICENSE = 'Apache License 2.0'
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',
]
# 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. Even if this
# is set to false, if the script detects that the generated `.c` file isn't
# present, then it will still attempt to use Cython.
BUILD_WITH_CYTHON = os.environ.get('GRPC_PYTHON_BUILD_WITH_CYTHON', False)
# Export this variable to use the system installation of openssl. You need to
# have the header files installed (in /usr/include/openssl) and during
# runtime, the shared libary must be installed
BUILD_WITH_SYSTEM_OPENSSL = os.environ.get('GRPC_PYTHON_BUILD_SYSTEM_OPENSSL',
False)
# Export this variable to use the system installation of zlib. You need to
# have the header files installed (in /usr/include/) and during
# runtime, the shared libary must be installed
BUILD_WITH_SYSTEM_ZLIB = os.environ.get('GRPC_PYTHON_BUILD_SYSTEM_ZLIB',
False)
# Export this variable to use the system installation of cares. You need to
# have the header files installed (in /usr/include/) and during
# runtime, the shared libary must be installed
BUILD_WITH_SYSTEM_CARES = os.environ.get('GRPC_PYTHON_BUILD_SYSTEM_CARES',
False)
# Environment variable to determine whether or not to enable coverage analysis
# in Cython modules.
ENABLE_CYTHON_TRACING = os.environ.get(
'GRPC_PYTHON_ENABLE_CYTHON_TRACING', False)
# Environment variable specifying whether or not there's interest in setting up
# documentation building.
ENABLE_DOCUMENTATION_BUILD = os.environ.get(
'GRPC_PYTHON_ENABLE_DOCUMENTATION_BUILD', 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 and sys.version_info < (3, 5):
EXTRA_ENV_COMPILE_ARGS += ' -D_hypot=hypot'
# 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'
elif "linux" in sys.platform:
EXTRA_ENV_COMPILE_ARGS += ' -std=gnu99 -fvisibility=hidden -fno-wrapv -fno-exceptions'
elif "darwin" in sys.platform:
EXTRA_ENV_COMPILE_ARGS += ' -fvisibility=hidden -fno-wrapv -fno-exceptions'
EXTRA_ENV_COMPILE_ARGS += ' -DPB_FIELD_16BIT'
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))
if "linux" in sys.platform:
EXTRA_ENV_LINK_ARGS += ' -Wl,-wrap,memcpy -static-libgcc'
EXTRA_COMPILE_ARGS = shlex.split(EXTRA_ENV_COMPILE_ARGS)
EXTRA_LINK_ARGS = shlex.split(EXTRA_ENV_LINK_ARGS)
CYTHON_EXTENSION_PACKAGE_NAMES = ()
CYTHON_EXTENSION_MODULE_NAMES = ('grpc._cython.cygrpc',)
CYTHON_HELPER_C_FILES = ()
CORE_C_FILES = tuple(grpc_core_dependencies.CORE_SOURCE_FILES)
if "win32" in sys.platform:
CORE_C_FILES = filter(lambda x: 'third_party/cares' not in x, CORE_C_FILES)
if BUILD_WITH_SYSTEM_OPENSSL:
CORE_C_FILES = filter(lambda x: 'third_party/boringssl' not in x, CORE_C_FILES)
CORE_C_FILES = filter(lambda x: 'src/boringssl' not in x, CORE_C_FILES)
SSL_INCLUDE = (os.path.join('/usr', 'include', 'openssl'),)
if BUILD_WITH_SYSTEM_ZLIB:
CORE_C_FILES = filter(lambda x: 'third_party/zlib' not in x, CORE_C_FILES)
ZLIB_INCLUDE = (os.path.join('/usr', 'include'),)
if BUILD_WITH_SYSTEM_CARES:
CORE_C_FILES = filter(lambda x: 'third_party/cares' not in x, CORE_C_FILES)
CARES_INCLUDE = (os.path.join('/usr', 'include'),)
EXTENSION_INCLUDE_DIRECTORIES = (
(PYTHON_STEM,) + CORE_INCLUDE + SSL_INCLUDE + ZLIB_INCLUDE +
NANOPB_INCLUDE + CARES_INCLUDE + ADDRESS_SORTING_INCLUDE)
EXTENSION_LIBRARIES = ()
if "linux" in sys.platform:
EXTENSION_LIBRARIES += ('rt',)
if not "win32" in sys.platform:
EXTENSION_LIBRARIES += ('m',)
if "win32" in sys.platform:
EXTENSION_LIBRARIES += ('advapi32', 'ws2_32',)
if BUILD_WITH_SYSTEM_OPENSSL:
EXTENSION_LIBRARIES += ('ssl', 'crypto',)
if BUILD_WITH_SYSTEM_ZLIB:
EXTENSION_LIBRARIES += ('z',)
if BUILD_WITH_SYSTEM_CARES:
EXTENSION_LIBRARIES += ('cares',)
DEFINE_MACROS = (
('OPENSSL_NO_ASM', 1), ('_WIN32_WINNT', 0x600),
('GPR_BACKWARDS_COMPATIBILITY_MODE', 1))
if "win32" in sys.platform:
# TODO(zyc): Re-enble c-ares on x64 and x86 windows after fixing the
# ares_library_init compilation issue
DEFINE_MACROS += (('WIN32_LEAN_AND_MEAN', 1), ('CARES_STATICLIB', 1),
('GRPC_ARES', 0), ('NTDDI_VERSION', 0x06000000),
('NOMINMAX', 1),)
if '64bit' in platform.architecture()[0]:
DEFINE_MACROS += (('MS_WIN64', 1),)
elif sys.version_info >= (3, 5):
# For some reason, this is needed to get access to inet_pton/inet_ntop
# on msvc, but only for 32 bits
DEFINE_MACROS += (('NTDDI_VERSION', 0x06000000),)
else:
DEFINE_MACROS += (('HAVE_CONFIG_H', 1), ('GRPC_ENABLE_FORK_SUPPORT', 1),)
LDFLAGS = tuple(EXTRA_LINK_ARGS)
CFLAGS = tuple(EXTRA_COMPILE_ARGS)
if "linux" in sys.platform or "darwin" in sys.platform:
pymodinit_type = 'PyObject*' if PY3 else 'void'
pymodinit = 'extern "C" __attribute__((visibility ("default"))) {}'.format(pymodinit_type)
DEFINE_MACROS += (('PyMODINIT_FUNC', pymodinit),)
DEFINE_MACROS += (('GRPC_POSIX_FORK_ALLOW_PTHREAD_ATFORK', 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('10.7.0')):
os.environ['MACOSX_DEPLOYMENT_TARGET'] = '10.7'
os.environ['_PYTHON_HOST_PLATFORM'] = re.sub(
r'macosx-[0-9]+\.[0-9]+-(.+)',
r'macosx-10.7-\1',
util.get_platform())
def cython_extensions_and_necessity():
cython_module_files = [os.path.join(PYTHON_STEM,
name.replace('.', '/') + '.pyx')
for name in CYTHON_EXTENSION_MODULE_NAMES]
config = os.environ.get('CONFIG', 'opt')
prefix = 'libs/' + config + '/'
if "darwin" in sys.platform:
extra_objects = [prefix + 'libares.a',
prefix + 'libboringssl.a',
prefix + 'libgpr.a',
prefix + 'libgrpc.a']
core_c_files = []
else:
core_c_files = list(CORE_C_FILES)
extra_objects = []
extensions = [
_extension.Extension(
name=module_name,
sources=[module_file] + list(CYTHON_HELPER_C_FILES) + core_c_files,
include_dirs=list(EXTENSION_INCLUDE_DIRECTORIES),
libraries=list(EXTENSION_LIBRARIES),
define_macros=list(DEFINE_MACROS),
extra_objects=extra_objects,
extra_compile_args=list(CFLAGS),
extra_link_args=list(LDFLAGS),
) for (module_name, module_file) in zip(list(CYTHON_EXTENSION_MODULE_NAMES), cython_module_files)
]
need_cython = BUILD_WITH_CYTHON
if not BUILD_WITH_CYTHON:
need_cython = need_cython or not commands.check_and_update_cythonization(extensions)
return commands.try_cythonize(extensions, linetracing=ENABLE_CYTHON_TRACING, mandatory=BUILD_WITH_CYTHON), need_cython
CYTHON_EXTENSION_MODULES, need_cython = cython_extensions_and_necessity()
PACKAGE_DIRECTORIES = {
'': PYTHON_STEM,
}
INSTALL_REQUIRES = (
'six>=1.5.2',
)
if not PY3:
INSTALL_REQUIRES += ('futures>=2.2.0', 'enum34>=1.0.4')
SETUP_REQUIRES = INSTALL_REQUIRES + (
'sphinx>=1.3',
'sphinx_rtd_theme>=0.1.8',
'six>=1.10',
) if ENABLE_DOCUMENTATION_BUILD else ()
try:
import Cython
except ImportError:
if BUILD_WITH_CYTHON:
sys.stderr.write(
"You requested a Cython build via GRPC_PYTHON_BUILD_WITH_CYTHON, "
"but do not have Cython installed. We won't stop you from using "
"other commands, but the extension files will fail to build.\n")
elif need_cython:
sys.stderr.write(
'We could not find Cython. Setup may take 10-20 minutes.\n')
SETUP_REQUIRES += ('cython>=0.23',)
COMMAND_CLASS = {
'doc': commands.SphinxDocumentation,
'build_project_metadata': commands.BuildProjectMetadata,
'build_py': commands.BuildPy,
'build_ext': commands.BuildExt,
'gather': commands.Gather,
}
# Ensure that package data is copied over before any commands have been run:
credentials_dir = os.path.join(PYTHON_STEM, 'grpc', '_cython', '_credentials')
try:
os.mkdir(credentials_dir)
except OSError:
pass
shutil.copyfile(os.path.join('etc', 'roots.pem'),
os.path.join(credentials_dir, 'roots.pem'))
PACKAGE_DATA = {
# Binaries that may or may not be present in the final installation, but are
# mentioned here for completeness.
'grpc._cython': [
'_credentials/roots.pem',
'_windows/grpc_c.32.python',
'_windows/grpc_c.64.python',
],
}
PACKAGES = setuptools.find_packages(PYTHON_STEM)
setuptools.setup(
name='grpcio',
version=grpc_version.VERSION,
description='HTTP/2-based RPC framework',
author='The gRPC Authors',
author_email='grpc-io@googlegroups.com',
url='https://grpc.io',
license=LICENSE,
classifiers=CLASSIFIERS,
long_description=open(README).read(),
ext_modules=CYTHON_EXTENSION_MODULES,
packages=list(PACKAGES),
package_dir=PACKAGE_DIRECTORIES,
package_data=PACKAGE_DATA,
install_requires=INSTALL_REQUIRES,
setup_requires=SETUP_REQUIRES,
cmdclass=COMMAND_CLASS,
)