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
|
#! /usr/bin/env python
# -*- coding: utf-8 -*-
from __future__ import print_function
import sys
import os
import glob
import platform
# distutils is deprecated and vendored into setuptools now.
from setuptools import setup
from setuptools import Extension
from setuptools import find_packages
# Extra compiler arguments passed to *all* extensions.
global_compile_args = []
# Extra compiler arguments passed to C++ extensions
cpp_compile_args = []
# Extra linker arguments passed to C++ extensions
cpp_link_args = []
# Extra compiler arguments passed to the main extension
main_compile_args = []
is_win = sys.platform.startswith("win")
# workaround segfaults on openbsd and RHEL 3 / CentOS 3 . see
# https://bitbucket.org/ambroff/greenlet/issue/11/segfault-on-openbsd-i386
# https://github.com/python-greenlet/greenlet/issues/4
# https://github.com/python-greenlet/greenlet/issues/94
# pylint:disable=too-many-boolean-expressions
is_linux = sys.platform.startswith('linux') # could be linux or linux2
plat_platform = platform.platform()
plat_machine = platform.machine()
plat_compiler = platform.python_compiler()
try:
# (sysname, nodename, release, version, machine)
unam_machine = os.uname()[-1]
except AttributeError:
unam_machine = ''
if (
(sys.platform == "openbsd4" and unam_machine == "i386")
or ("-with-redhat-3." in plat_platform and plat_machine == 'i686')
or (sys.platform == "sunos5" and unam_machine == "sun4v") # SysV-based Solaris
or ("SunOS" in plat_platform and plat_machine == "sun4v") # Old BSD-based SunOS
or (is_linux and plat_machine == "ppc")
# https://github.com/python-greenlet/greenlet/pull/300: When compiling for RISC-V the command
# ``riscv64-linux-gnu-gcc -pthread -fno-strict-aliasing -Wdate-time \
# -D_FORTIFY_SOURCE=2 -g -ffile-prefix-map=/build/python2.7-7GU7VT/python2.7-2.7.18=. \
# -fstack-protector-strong -Wformat -Werror=format-security -fPIC \
# -I/usr/include/python2.7
# -c src/greenlet/greenlet.cpp -o build/temp.linux-riscv64-2.7/src/greenlet/greenlet.o``
#
# fails with:
#
# src/greenlet/platform/switch_riscv_unix.h:30:1: error: s0 cannot be used in 'asm' here
#
# Adding the -Os flag fixes the problem.
or (is_linux and plat_machine == "riscv64")
):
global_compile_args.append("-Os")
if sys.platform == 'darwin' or 'clang' in plat_compiler:
# The clang compiler doesn't use --std=c++11 by default
cpp_compile_args.append("--std=gnu++11")
elif is_win and "MSC" in plat_compiler:
# Older versions of MSVC (Python 2.7) don't handle C++ exceptions
# correctly by default. While newer versions do handle exceptions
# by default, they don't do it fully correctly ("By default....the
# compiler generates code that only partially supports C++
# exceptions."). So we need an argument on all versions.
#"/EH" == exception handling.
# "s" == standard C++,
# "c" == extern C functions don't throw
# OR
# "a" == standard C++, and Windows SEH; anything may throw, compiler optimizations
# around try blocks are less aggressive. Because this catches SEH,
# which Windows uses internally, the MS docs say this can be a security issue.
# DO NOT USE.
# /EHsc is suggested, and /EHa isn't supposed to be linked to other things not built
# with it. Leaving off the "c" should just result in slower, safer code.
# Other options:
# "r" == Always generate standard confirming checks for noexcept blocks, terminating
# if violated. IMPORTANT: We rely on this.
# See https://docs.microsoft.com/en-us/cpp/build/reference/eh-exception-handling-model?view=msvc-170
handler = "/EHsr"
cpp_compile_args.append(handler)
# To disable most optimizations:
#cpp_compile_args.append('/Od')
# To enable assertions:
#cpp_compile_args.append('/UNDEBUG')
# To enable more compile-time warnings (/Wall produces a mountain of output).
#cpp_compile_args.append('/W4')
# To link with the debug C runtime...except we can't because we need
# the Python debug lib too, and they're not around by default
# cpp_compile_args.append('/MDd')
# Support fiber-safe thread-local storage: "the compiler mustn't
# cache the address of the TLS array, or optimize it as a common
# subexpression across a function call." This would probably solve
# some of the issues we had with MSVC caching the thread local
# variables on the stack, leading to having to split some
# functions up. Revisit those.
cpp_compile_args.append("/GT")
def readfile(filename):
with open(filename, 'r') as f: # pylint:disable=unspecified-encoding
return f.read()
def abspath(rel):
return os.path.join(os.path.dirname(__file__), rel)
GREENLET_SRC_DIR = abspath('src/greenlet/')
GREENLET_HEADER_DIR = GREENLET_SRC_DIR
GREENLET_HEADER = GREENLET_HEADER_DIR + 'greenlet.h'
GREENLET_TEST_DIR = abspath('src/greenlet/tests/')
# The location of the platform specific assembly files
# for switching.
GREENLET_PLATFORM_DIR = GREENLET_SRC_DIR + 'platform/'
def _find_platform_headers():
return glob.glob(GREENLET_PLATFORM_DIR + "switch_*.h")
def _find_impl_headers():
return glob.glob(GREENLET_SRC_DIR + "*.hpp") + glob.glob(GREENLET_SRC_DIR + "*.cpp")
if hasattr(sys, "pypy_version_info"):
ext_modules = []
headers = []
else:
headers = [GREENLET_HEADER]
if is_win and '64 bit' in sys.version:
# this works when building with msvc, not with 64 bit gcc
# switch_<platform>_masm.obj can be created with setup_switch_<platform>_masm.cmd
obj_fn = 'switch_arm64_masm.obj' if plat_machine == 'ARM64' else 'switch_x64_masm.obj'
extra_objects = [os.path.join(GREENLET_PLATFORM_DIR, obj_fn)]
else:
extra_objects = []
if is_win and os.environ.get('GREENLET_STATIC_RUNTIME') in ('1', 'yes'):
main_compile_args.append('/MT')
elif unam_machine in ('ppc64el', 'ppc64le'):
main_compile_args.append('-fno-tree-dominator-opts')
ext_modules = [
Extension(
name='greenlet._greenlet',
sources=[
GREENLET_SRC_DIR + 'greenlet.cpp',
],
language='c++',
extra_objects=extra_objects,
extra_compile_args=global_compile_args + main_compile_args + cpp_compile_args,
extra_link_args=cpp_link_args,
depends=[
GREENLET_HEADER,
GREENLET_SRC_DIR + 'slp_platformselect.h',
] + _find_platform_headers() + _find_impl_headers(),
define_macros=[
] + ([
('WIN32', '1'),
] if is_win else [
])
),
# Test extensions.
#
# We used to try hard to not include these in built
# distributions, because we only distributed ``greenlet.so``.
# That's really not important, now we have a clean layout with
# the test directory nested inside a greenlet directory. See
# https://github.com/python-greenlet/greenlet/issues/184 and
# 189
Extension(
name='greenlet.tests._test_extension',
sources=[GREENLET_TEST_DIR + '_test_extension.c'],
include_dirs=[GREENLET_HEADER_DIR],
extra_compile_args=global_compile_args,
),
Extension(
name='greenlet.tests._test_extension_cpp',
sources=[GREENLET_TEST_DIR + '_test_extension_cpp.cpp'],
language="c++",
include_dirs=[GREENLET_HEADER_DIR],
extra_compile_args=global_compile_args + cpp_compile_args,
extra_link_args=cpp_link_args,
),
]
def get_greenlet_version():
with open(abspath('src/greenlet/__init__.py')) as f:
looking_for = '__version__ = \''
for line in f:
if line.startswith(looking_for):
version = line[len(looking_for):-2]
return version
raise ValueError("Unable to find version")
setup(
name="greenlet",
version=get_greenlet_version(),
description='Lightweight in-process concurrent programming',
long_description=readfile(abspath("README.rst")),
long_description_content_type="text/x-rst",
url="https://greenlet.readthedocs.io/",
keywords="greenlet coroutine concurrency threads cooperative",
author="Alexey Borzenkov",
author_email="snaury@gmail.com",
maintainer='Jason Madden',
maintainer_email='jason@seecoresoftware.com',
project_urls={
'Bug Tracker': 'https://github.com/python-greenlet/greenlet/issues',
'Source Code': 'https://github.com/python-greenlet/greenlet/',
'Documentation': 'https://greenlet.readthedocs.io/',
},
license="MIT License",
platforms=['any'],
package_dir={'': 'src'},
packages=find_packages('src'),
include_package_data=True,
headers=headers,
ext_modules=ext_modules,
classifiers=[
"Development Status :: 5 - Production/Stable",
'Intended Audience :: Developers',
'License :: OSI Approved :: MIT License',
'Natural Language :: English',
'Programming Language :: C',
'Programming Language :: Python',
'Programming Language :: Python :: 3',
'Programming Language :: Python :: 3 :: Only',
'Programming Language :: Python :: 3.7',
'Programming Language :: Python :: 3.8',
'Programming Language :: Python :: 3.9',
'Programming Language :: Python :: 3.10',
'Programming Language :: Python :: 3.11',
'Programming Language :: Python :: 3.12',
'Programming Language :: Python :: 3.13',
'Operating System :: OS Independent',
'Topic :: Software Development :: Libraries :: Python Modules'
],
extras_require={
'docs': [
'Sphinx',
'furo',
],
'test': [
'objgraph',
'psutil',
],
},
python_requires=">=3.7",
zip_safe=False,
)
|
