# 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.""" # NOTE(https://github.com/grpc/grpc/issues/24028): allow setuptools to monkey # patch distutils import setuptools # isort:skip # Monkey Patch the unix compiler to accept ASM # files used by boring SSL. from distutils.unixccompiler import UnixCCompiler UnixCCompiler.src_extensions.append('.S') del UnixCCompiler from distutils import cygwinccompiler from distutils import extension as _extension from distutils import util import os import os.path import platform import re import shlex import shutil import subprocess from subprocess import PIPE import sys import sysconfig import _metadata import pkg_resources 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', '.', ) ABSL_INCLUDE = (os.path.join('third_party', 'abseil-cpp'),) ADDRESS_SORTING_INCLUDE = (os.path.join('third_party', 'address_sorting', 'include'),) CARES_INCLUDE = ( os.path.join('third_party', 'cares', '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'),) RE2_INCLUDE = (os.path.join('third_party', 're2'),) SSL_INCLUDE = (os.path.join('third_party', 'boringssl-with-bazel', 'src', 'include'),) UPB_INCLUDE = (os.path.join('third_party', 'upb'),) UPB_GRPC_GENERATED_INCLUDE = (os.path.join('src', 'core', 'ext', 'upb-generated'),) UPBDEFS_GRPC_GENERATED_INCLUDE = (os.path.join('src', 'core', 'ext', 'upbdefs-generated'),) XXHASH_INCLUDE = (os.path.join('third_party', 'xxhash'),) ZLIB_INCLUDE = (os.path.join('third_party', 'zlib'),) 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 _parallel_compile_patch import _spawn_patch import grpc_core_dependencies import commands import grpc_version _parallel_compile_patch.monkeypatch_compile_maybe() _spawn_patch.monkeypatch_spawn() LICENSE = 'Apache License 2.0' CLASSIFIERS = [ 'Development Status :: 5 - Production/Stable', 'Programming Language :: Python', 'Programming Language :: Python :: 3', 'Programming Language :: Python :: 3.5', 'Programming Language :: Python :: 3.6', 'Programming Language :: Python :: 3.7', 'Programming Language :: Python :: 3.8', 'Programming Language :: Python :: 3.9', 'Programming Language :: Python :: 3.10', 'License :: OSI Approved :: Apache Software License', ] def _env_bool_value(env_name, default): """Parses a bool option from an environment variable""" return os.environ.get(env_name, default).upper() not in ['FALSE', '0', ''] BUILD_WITH_BORING_SSL_ASM = _env_bool_value('GRPC_BUILD_WITH_BORING_SSL_ASM', 'True') # Export this environment variable to override the platform variant that will # be chosen for boringssl assembly optimizations. This option is useful when # crosscompiling and the host platform as obtained by distutils.utils.get_platform() # doesn't match the platform we are targetting. # Example value: "linux-aarch64" BUILD_OVERRIDE_BORING_SSL_ASM_PLATFORM = os.environ.get( 'GRPC_BUILD_OVERRIDE_BORING_SSL_ASM_PLATFORM', '') # 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 = _env_bool_value('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 library must be installed BUILD_WITH_SYSTEM_OPENSSL = _env_bool_value('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 library must be installed BUILD_WITH_SYSTEM_ZLIB = _env_bool_value('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 library must be installed BUILD_WITH_SYSTEM_CARES = _env_bool_value('GRPC_PYTHON_BUILD_SYSTEM_CARES', 'False') # Export this variable to use the system installation of re2. You need to # have the header files installed (in /usr/include/re2) and during # runtime, the shared library must be installed BUILD_WITH_SYSTEM_RE2 = _env_bool_value('GRPC_PYTHON_BUILD_SYSTEM_RE2', 'False') # Export this variable to force building the python extension with a statically linked libstdc++. # At least on linux, this is normally not needed as we can build manylinux-compatible wheels on linux just fine # without statically linking libstdc++ (which leads to a slight increase in the wheel size). # This option is useful when crosscompiling wheels for aarch64 where # it's difficult to ensure that the crosscompilation toolchain has a high-enough version # of GCC (we require >=5.1) but still uses old-enough libstdc++ symbols. # TODO(jtattermusch): remove this workaround once issues with crosscompiler version are resolved. BUILD_WITH_STATIC_LIBSTDCXX = _env_bool_value( 'GRPC_PYTHON_BUILD_WITH_STATIC_LIBSTDCXX', 'False') # For local development use only: This skips building gRPC Core and its # dependencies, including protobuf and boringssl. This allows "incremental" # compilation by first building gRPC Core using make, then building only the # Python/Cython layers here. # # Note that this requires libboringssl.a in the libs/{dbg,opt}/ directory, which # may require configuring make to not use the system openssl implementation: # # make HAS_SYSTEM_OPENSSL_ALPN=0 # # TODO(ericgribkoff) Respect the BUILD_WITH_SYSTEM_* flags alongside this option USE_PREBUILT_GRPC_CORE = _env_bool_value('GRPC_PYTHON_USE_PREBUILT_GRPC_CORE', 'False') # If this environmental variable is set, GRPC will not try to be compatible with # libc versions old than the one it was compiled against. DISABLE_LIBC_COMPATIBILITY = _env_bool_value( 'GRPC_PYTHON_DISABLE_LIBC_COMPATIBILITY', 'False') # Environment variable to determine whether or not to enable coverage analysis # in Cython modules. ENABLE_CYTHON_TRACING = _env_bool_value('GRPC_PYTHON_ENABLE_CYTHON_TRACING', 'False') # Environment variable specifying whether or not there's interest in setting up # documentation building. ENABLE_DOCUMENTATION_BUILD = _env_bool_value( 'GRPC_PYTHON_ENABLE_DOCUMENTATION_BUILD', 'False') def check_linker_need_libatomic(): """Test if linker on system needs libatomic.""" code_test = (b'#include \n' + b'int main() { return std::atomic{}; }') cxx = shlex.split(os.environ.get('CXX', 'c++')) cpp_test = subprocess.Popen(cxx + ['-x', 'c++', '-std=c++11', '-'], stdin=PIPE, stdout=PIPE, stderr=PIPE) cpp_test.communicate(input=code_test) if cpp_test.returncode == 0: return False # Double-check to see if -latomic actually can solve the problem. # https://github.com/grpc/grpc/issues/22491 cpp_test = subprocess.Popen( [cxx, '-x', 'c++', '-std=c++11', '-', '-latomic'], stdin=PIPE, stdout=PIPE, stderr=PIPE) cpp_test.communicate(input=code_test) return cpp_test.returncode == 0 # 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): 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' 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: EXTRA_ENV_COMPILE_ARGS += ' -std=gnu99 -fvisibility=hidden -fno-wrapv -fno-exceptions' elif "darwin" in sys.platform: EXTRA_ENV_COMPILE_ARGS += ' -stdlib=libc++ -fvisibility=hidden -fno-wrapv -fno-exceptions -DHAVE_UNISTD_H' 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' if check_linker_need_libatomic(): EXTRA_ENV_LINK_ARGS += ' -latomic' elif "win32" in sys.platform and sys.version_info < (3, 5): msvcr = cygwinccompiler.get_msvcr()[0] EXTRA_ENV_LINK_ARGS += ( ' -static-libgcc -static-libstdc++ -mcrtdll={msvcr}' ' -static -lshlwapi'.format(msvcr=msvcr)) if "linux" in sys.platform: EXTRA_ENV_LINK_ARGS += ' -static-libgcc' EXTRA_COMPILE_ARGS = shlex.split(EXTRA_ENV_COMPILE_ARGS) EXTRA_LINK_ARGS = shlex.split(EXTRA_ENV_LINK_ARGS) if BUILD_WITH_STATIC_LIBSTDCXX: EXTRA_LINK_ARGS.append('-static-libstdc++') 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'),) if BUILD_WITH_SYSTEM_RE2: CORE_C_FILES = filter(lambda x: 'third_party/re2' not in x, CORE_C_FILES) RE2_INCLUDE = (os.path.join('/usr', 'include', 're2'),) EXTENSION_INCLUDE_DIRECTORIES = ((PYTHON_STEM,) + CORE_INCLUDE + ABSL_INCLUDE + ADDRESS_SORTING_INCLUDE + CARES_INCLUDE + RE2_INCLUDE + SSL_INCLUDE + UPB_INCLUDE + UPB_GRPC_GENERATED_INCLUDE + UPBDEFS_GRPC_GENERATED_INCLUDE + XXHASH_INCLUDE + ZLIB_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', 'bcrypt', 'dbghelp', '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',) if BUILD_WITH_SYSTEM_RE2: EXTENSION_LIBRARIES += ('re2',) DEFINE_MACROS = (('_WIN32_WINNT', 0x600),) asm_files = [] # Quotes on Windows build macros are evaluated differently from other platforms, # so we must apply quotes asymmetrically in order to yield the proper result in # the binary. def _quote_build_define(argument): if "win32" in sys.platform: return '"\\\"{}\\\""'.format(argument) return '"{}"'.format(argument) DEFINE_MACROS += ( ("GRPC_XDS_USER_AGENT_NAME_SUFFIX", _quote_build_define("Python")), ("GRPC_XDS_USER_AGENT_VERSION_SUFFIX", _quote_build_define(_metadata.__version__)), ) asm_key = '' if BUILD_WITH_BORING_SSL_ASM and not BUILD_WITH_SYSTEM_OPENSSL: boringssl_asm_platform = BUILD_OVERRIDE_BORING_SSL_ASM_PLATFORM if BUILD_OVERRIDE_BORING_SSL_ASM_PLATFORM else util.get_platform( ) LINUX_X86_64 = 'linux-x86_64' LINUX_ARM = 'linux-arm' LINUX_AARCH64 = 'linux-aarch64' if LINUX_X86_64 == boringssl_asm_platform: asm_key = 'crypto_linux_x86_64' elif LINUX_ARM == boringssl_asm_platform: asm_key = 'crypto_linux_arm' elif LINUX_AARCH64 == boringssl_asm_platform: asm_key = 'crypto_linux_aarch64' elif "mac" in boringssl_asm_platform and "x86_64" in boringssl_asm_platform: asm_key = 'crypto_mac_x86_64' else: print("ASM Builds for BoringSSL currently not supported on:", boringssl_asm_platform) if asm_key: asm_files = grpc_core_dependencies.ASM_SOURCE_FILES[asm_key] else: DEFINE_MACROS += (('OPENSSL_NO_ASM', 1),) if not DISABLE_LIBC_COMPATIBILITY: DEFINE_MACROS += (('GPR_BACKWARDS_COMPATIBILITY_MODE', 1),) if "win32" in sys.platform: # TODO(zyc): Re-enable 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 Python was built with. # We need OSX 10.10, the oldest which supports C++ thread_local. # Python 3.9: Mac OS Big Sur sysconfig.get_config_var('MACOSX_DEPLOYMENT_TARGET') returns int (11) if 'darwin' in sys.platform: mac_target = sysconfig.get_config_var('MACOSX_DEPLOYMENT_TARGET') if mac_target: mac_target = pkg_resources.parse_version(str(mac_target)) if mac_target < pkg_resources.parse_version('10.10.0'): os.environ['MACOSX_DEPLOYMENT_TARGET'] = '10.10' os.environ['_PYTHON_HOST_PLATFORM'] = re.sub( r'macosx-[0-9]+\.[0-9]+-(.+)', r'macosx-10.10-\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 USE_PREBUILT_GRPC_CORE: 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 + asm_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) # TODO: the strategy for conditional compiling and exposing the aio Cython # dependencies will be revisited by https://github.com/grpc/grpc/issues/19728 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", "futures>=2.2.0; python_version<'3.2'", "enum34>=1.0.4; python_version<'3.4'", ) EXTRAS_REQUIRES = { 'protobuf': 'grpcio-tools>={version}'.format(version=grpc_version.VERSION), } SETUP_REQUIRES = INSTALL_REQUIRES + ( 'Sphinx~=1.8.1', '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, 'clean': commands.Clean, } # 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, python_requires='>=3.6', install_requires=INSTALL_REQUIRES, extras_require=EXTRAS_REQUIRES, setup_requires=SETUP_REQUIRES, cmdclass=COMMAND_CLASS, )