Shofel2_T124_python/venv/lib/python3.10/site-packages/gevent/testing/sysinfo.py

221 lines
7.0 KiB
Python

# Copyright (c) 2018 gevent community
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
import errno
import os
import sys
import gevent.core
from gevent import _compat as gsysinfo
VERBOSE = sys.argv.count('-v') > 1
# Python implementations
PYPY = gsysinfo.PYPY
CPYTHON = not PYPY
# Platform/operating system
WIN = gsysinfo.WIN
LINUX = gsysinfo.LINUX
OSX = gsysinfo.OSX
PURE_PYTHON = gsysinfo.PURE_PYTHON
get_this_psutil_process = gsysinfo.get_this_psutil_process
# XXX: Formalize this better
LIBUV = 'libuv' in gevent.core.loop.__module__ # pylint:disable=no-member
CFFI_BACKEND = PYPY or LIBUV or 'cffi' in os.getenv('GEVENT_LOOP', '')
if '--debug-greentest' in sys.argv:
sys.argv.remove('--debug-greentest')
DEBUG = True
else:
DEBUG = False
RUN_LEAKCHECKS = os.getenv('GEVENTTEST_LEAKCHECK')
RUN_COVERAGE = os.getenv("COVERAGE_PROCESS_START") or os.getenv("GEVENTTEST_COVERAGE")
# Generally, ignore the portions that are only implemented
# on particular platforms; they generally contain partial
# implementations completed in different modules.
PLATFORM_SPECIFIC_SUFFIXES = ('2', '279', '3')
if WIN:
PLATFORM_SPECIFIC_SUFFIXES += ('posix',)
PY2 = None
PY3 = None
PY35 = None
PY36 = None
PY37 = None
PY38 = None
PY39 = None
PY310 = None
PY311 = None
PY312 = None
NON_APPLICABLE_SUFFIXES = ()
if sys.version_info[0] == 3:
# Python 3
NON_APPLICABLE_SUFFIXES += ('2', '279')
PY2 = False
PY3 = True
if sys.version_info[1] >= 5:
PY35 = True
if sys.version_info[1] >= 6:
PY36 = True
if sys.version_info[1] >= 7:
PY37 = True
if sys.version_info[1] >= 8:
PY38 = True
if sys.version_info[1] >= 9:
PY39 = True
if sys.version_info[1] >= 10:
PY310 = True
if sys.version_info[1] >= 11:
PY311 = True
if sys.version_info[1] >= 12:
PY312 = True
elif sys.version_info[0] == 2:
# Any python 2
PY3 = False
PY2 = True
NON_APPLICABLE_SUFFIXES += ('3',)
if (sys.version_info[1] < 7
or (sys.version_info[1] == 7 and sys.version_info[2] < 9)):
# Python 2, < 2.7.9
NON_APPLICABLE_SUFFIXES += ('279',)
else: # pragma: no cover
# Python 4?
raise ImportError('Unsupported major python version')
PYPY3 = PYPY and PY3
PY27_ONLY = sys.version_info[0] == 2 and sys.version_info[1] == 7
PYGTE279 = (
sys.version_info[0] == 2
and sys.version_info[1] >= 7
and sys.version_info[2] >= 9
)
if WIN:
NON_APPLICABLE_SUFFIXES += ("posix",)
# This is intimately tied to FileObjectPosix
NON_APPLICABLE_SUFFIXES += ("fileobject2",)
SHARED_OBJECT_EXTENSION = ".pyd"
else:
SHARED_OBJECT_EXTENSION = ".so"
# We define GitHub actions to be similar to travis
RUNNING_ON_GITHUB_ACTIONS = os.environ.get('GITHUB_ACTIONS')
RUNNING_ON_TRAVIS = os.environ.get('TRAVIS') or RUNNING_ON_GITHUB_ACTIONS
RUNNING_ON_APPVEYOR = os.environ.get('APPVEYOR')
RUNNING_ON_CI = RUNNING_ON_TRAVIS or RUNNING_ON_APPVEYOR
RUNNING_ON_MANYLINUX = os.environ.get('GEVENT_MANYLINUX')
# I'm not sure how to reliably auto-detect this, without
# importing platform, something we don't want to do.
RUNNING_ON_MUSLLINUX = 'musllinux' in os.environ.get('GEVENT_MANYLINUX_NAME', '')
if RUNNING_ON_APPVEYOR:
# We can't exec corecext on appveyor if we haven't run setup.py in
# 'develop' mode (i.e., we install)
NON_APPLICABLE_SUFFIXES += ('corecext',)
EXPECT_POOR_TIMER_RESOLUTION = (
PYPY3
# Really, this is probably only in VMs. But that's all I test
# Windows with.
or WIN
or (LIBUV and PYPY)
or RUN_COVERAGE
or (OSX and RUNNING_ON_CI)
)
CONN_ABORTED_ERRORS = []
def _make_socket_errnos(*names):
result = []
for name in names:
try:
x = getattr(errno, name)
except AttributeError:
pass
else:
result.append(x)
return frozenset(result)
CONN_ABORTED_ERRORS = _make_socket_errnos('WSAECONNABORTED', 'ECONNRESET')
CONN_REFUSED_ERRORS = _make_socket_errnos('WSAECONNREFUSED', 'ECONNREFUSED')
RESOLVER_ARES = os.getenv('GEVENT_RESOLVER') == 'ares'
RESOLVER_DNSPYTHON = os.getenv('GEVENT_RESOLVER') == 'dnspython'
RESOLVER_NOT_SYSTEM = RESOLVER_ARES or RESOLVER_DNSPYTHON
def get_python_version():
"""
Return a string of the simple python version,
such as '3.8.0b4'. Handles alpha, beta, release candidate, and final releases.
"""
version = '%s.%s.%s' % sys.version_info[:3]
if sys.version_info[3] == 'alpha':
version += 'a%s' % sys.version_info[4]
elif sys.version_info[3] == 'beta':
version += 'b%s' % sys.version_info[4]
elif sys.version_info[3] == 'candidate':
version += 'rc%s' % sys.version_info[4]
return version
# XXX: In Python 3.10, distutils is deprecated and slated for removal in
# 3.12. The suggestion is to use setuptools, but it only has LooseVersion
# in an internal package and suggests using the new dependency of 'packaging'
def libev_supports_linux_aio():
# libev requires kernel 4.19 or above to be able to support
# linux AIO. It can still be compiled in, but will fail to create
# the loop at runtime.
from distutils.version import LooseVersion # pylint:disable=deprecated-module
from platform import system
from platform import release
return system() == 'Linux' and LooseVersion(release() or '0') >= LooseVersion('4.19')
def libev_supports_linux_iouring():
# libev requires kernel XXX to be able to support linux io_uring.
# It fails with the kernel in fedora rawhide (4.19.76) but
# works (doesn't fail catastrophically when asked to create one)
# with kernel 5.3.0 (Ubuntu Bionic)
from distutils.version import LooseVersion # pylint:disable=deprecated-module
from platform import system
from platform import release
return system() == 'Linux' and LooseVersion(release() or '0') >= LooseVersion('5.3')
def resolver_dnspython_available():
# Try hard not to leave around junk we don't have to.
from importlib import metadata
try:
metadata.distribution('dnspython')
except metadata.PackageNotFoundError:
return False
return True