1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
|
# 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'),)
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 +
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,
)
|