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