def _patch_pyimport(fspath, **kwargs):
ext_suffix = sysconfig.get_config_var("EXT_SUFFIX")
# XXX EXT_SUFFIX is None for pypy (python2.7)
if ext_suffix is None and '.pypy' not in fspath.basename:
return fspath.pyimport(**kwargs)
else:
# XXX EXT_SUFFIX is None for pypy (python2.7)
if '.pypy' in fspath.basename:
ext_suffix = fspath.ext
basename = fspath.basename.split('.')[0]
fspath = fspath.new(purebasename=basename, ext=fspath.ext)
pkgroot = fspath.dirpath()
fspath._ensuresyspath(True, pkgroot)
names = fspath.relto(pkgroot).split(fspath.sep)
modname = ".".join(names).replace(ext_suffix, "")
__import__(modname)
return sys.modules[modname]
python类get_config_var()的实例源码
def getusersitepackages():
"""Returns the user-specific site-packages directory path.
If the global variable ``USER_SITE`` is not initialized yet, this
function will also set it.
"""
global USER_SITE
user_base = getuserbase() # this will also set USER_BASE
if USER_SITE is not None:
return USER_SITE
from sysconfig import get_path
import os
if sys.platform == 'darwin':
from sysconfig import get_config_var
if get_config_var('PYTHONFRAMEWORK'):
USER_SITE = get_path('purelib', 'osx_framework_user')
return USER_SITE
USER_SITE = get_path('purelib', '%s_user' % os.name)
return USER_SITE
def getusersitepackages():
"""Returns the user-specific site-packages directory path.
If the global variable ``USER_SITE`` is not initialized yet, this
function will also set it.
"""
global USER_SITE
user_base = getuserbase() # this will also set USER_BASE
if USER_SITE is not None:
return USER_SITE
from sysconfig import get_path
import os
if sys.platform == 'darwin':
from sysconfig import get_config_var
if get_config_var('PYTHONFRAMEWORK'):
USER_SITE = get_path('purelib', 'osx_framework_user')
return USER_SITE
USER_SITE = get_path('purelib', '%s_user' % os.name)
return USER_SITE
def _get_xxmodule_path():
# FIXME when run from regrtest, srcdir seems to be '.', which does not help
# us find the xxmodule.c file
srcdir = sysconfig.get_config_var('srcdir')
candidates = [
# use installed copy if available
os.path.join(os.path.dirname(__file__), 'xxmodule.c'),
# otherwise try using copy from build directory
os.path.join(srcdir, 'Modules', 'xxmodule.c'),
# srcdir mysteriously can be $srcdir/Lib/distutils/tests when
# this file is run from its parent directory, so walk up the
# tree to find the real srcdir
os.path.join(srcdir, '..', '..', '..', 'Modules', 'xxmodule.c'),
]
for path in candidates:
if os.path.exists(path):
return path
def test_sysconfig_compiler_vars(self):
# On OS X, binary installers support extension module building on
# various levels of the operating system with differing Xcode
# configurations. This requires customization of some of the
# compiler configuration directives to suit the environment on
# the installed machine. Some of these customizations may require
# running external programs and, so, are deferred until needed by
# the first extension module build. With Python 3.3, only
# the Distutils version of sysconfig is used for extension module
# builds, which happens earlier in the Distutils tests. This may
# cause the following tests to fail since no tests have caused
# the global version of sysconfig to call the customization yet.
# The solution for now is to simply skip this test in this case.
# The longer-term solution is to only have one version of sysconfig.
import sysconfig as global_sysconfig
if sysconfig.get_config_var('CUSTOMIZED_OSX_COMPILER'):
self.skipTest('compiler flags customized')
self.assertEqual(global_sysconfig.get_config_var('LDSHARED'), sysconfig.get_config_var('LDSHARED'))
self.assertEqual(global_sysconfig.get_config_var('CC'), sysconfig.get_config_var('CC'))
def get_soabi():
soabi = None
try:
soabi = sysconfig.get_config_var('SOABI')
arch = sysconfig.get_config_var('MULTIARCH')
except IOError:
pass
if soabi and arch and 'pypy' in sysconfig.get_scheme_names():
soabi = '%s-%s' % (soabi, arch)
if soabi is None and 'pypy' in sysconfig.get_scheme_names():
# NOTE(sigmavirus24): PyPy only added support for the SOABI config var
# to sysconfig in 2015. That was well after 2.2.1 was published in the
# Ubuntu 14.04 archive.
for suffix, _, _ in imp.get_suffixes():
if suffix.startswith('.pypy') and suffix.endswith('.so'):
soabi = suffix.split('.')[1]
break
return soabi
def getusersitepackages():
"""Returns the user-specific site-packages directory path.
If the global variable ``USER_SITE`` is not initialized yet, this
function will also set it.
"""
global USER_SITE
user_base = getuserbase() # this will also set USER_BASE
if USER_SITE is not None:
return USER_SITE
from sysconfig import get_path
import os
if sys.platform == 'darwin':
from sysconfig import get_config_var
if get_config_var('PYTHONFRAMEWORK'):
USER_SITE = get_path('purelib', 'osx_framework_user')
return USER_SITE
USER_SITE = get_path('purelib', '%s_user' % os.name)
return USER_SITE
def getusersitepackages():
"""Returns the user-specific site-packages directory path.
If the global variable ``USER_SITE`` is not initialized yet, this
function will also set it.
"""
global USER_SITE
user_base = getuserbase() # this will also set USER_BASE
if USER_SITE is not None:
return USER_SITE
from sysconfig import get_path
import os
if sys.platform == 'darwin':
from sysconfig import get_config_var
if get_config_var('PYTHONFRAMEWORK'):
USER_SITE = get_path('purelib', 'osx_framework_user')
return USER_SITE
USER_SITE = get_path('purelib', '%s_user' % os.name)
return USER_SITE
def get_config_var(var):
try:
return sysconfig.get_config_var(var)
except IOError as e: # Issue #1074
warnings.warn("{0}".format(e), RuntimeWarning)
return None
def get_impl_ver():
"""Return implementation version."""
impl_ver = get_config_var("py_version_nodot")
if not impl_ver or get_abbr_impl() == 'pp':
impl_ver = ''.join(map(str, get_impl_version_info()))
return impl_ver
def get_flag(var, fallback, expected=True, warn=True):
"""Use a fallback method for determining SOABI flags if the needed config
var is unset or unavailable."""
val = get_config_var(var)
if val is None:
if warn:
logger.debug("Config variable '%s' is unset, Python ABI tag may "
"be incorrect", var)
return fallback()
return val == expected
def get_abi_tag():
"""Return the ABI tag based on SOABI (if available) or emulate SOABI
(CPython 2, PyPy)."""
soabi = get_config_var('SOABI')
impl = get_abbr_impl()
if not soabi and impl in ('cp', 'pp') and hasattr(sys, 'maxunicode'):
d = ''
m = ''
u = ''
if get_flag('Py_DEBUG',
lambda: hasattr(sys, 'gettotalrefcount'),
warn=(impl == 'cp')):
d = 'd'
if get_flag('WITH_PYMALLOC',
lambda: impl == 'cp',
warn=(impl == 'cp')):
m = 'm'
if get_flag('Py_UNICODE_SIZE',
lambda: sys.maxunicode == 0x10ffff,
expected=4,
warn=(impl == 'cp' and
sys.version_info < (3, 3))) \
and sys.version_info < (3, 3):
u = 'u'
abi = '%s%s%s%s%s' % (impl, get_impl_ver(), d, m, u)
elif soabi and soabi.startswith('cpython-'):
abi = 'cp' + soabi.split('-')[1]
elif soabi:
abi = soabi.replace('.', '_').replace('-', '_')
else:
abi = None
return abi
def get_config_var(var):
try:
return sysconfig.get_config_var(var)
except IOError as e: # pip Issue #1074
warnings.warn("{0}".format(e), RuntimeWarning)
return None
def get_flag(var, fallback, expected=True, warn=True):
"""Use a fallback method for determining SOABI flags if the needed config
var is unset or unavailable."""
val = get_config_var(var)
if val is None:
if warn:
warnings.warn("Config variable '{0}' is unset, Python ABI tag may "
"be incorrect".format(var), RuntimeWarning, 2)
return fallback()
return val == expected
def get_abi_tag():
"""Return the ABI tag based on SOABI (if available) or emulate SOABI
(CPython 2, PyPy)."""
soabi = get_config_var('SOABI')
impl = get_abbr_impl()
if not soabi and impl in ('cp', 'pp') and hasattr(sys, 'maxunicode'):
d = ''
m = ''
u = ''
if get_flag('Py_DEBUG',
lambda: hasattr(sys, 'gettotalrefcount'),
warn=(impl == 'cp')):
d = 'd'
if get_flag('WITH_PYMALLOC',
lambda: impl == 'cp',
warn=(impl == 'cp')):
m = 'm'
if get_flag('Py_UNICODE_SIZE',
lambda: sys.maxunicode == 0x10ffff,
expected=4,
warn=(impl == 'cp' and
sys.version_info < (3, 3))) \
and sys.version_info < (3, 3):
u = 'u'
abi = '%s%s%s%s%s' % (impl, get_impl_ver(), d, m, u)
elif soabi and soabi.startswith('cpython-'):
abi = 'cp' + soabi.split('-')[1]
elif soabi:
abi = soabi.replace('.', '_').replace('-', '_')
else:
abi = None
return abi
def pytest_collect_file(path, parent):
bin_exts = ['.so']
cy_exts = ['.pyx', '.py'] # collect .so files if .py file exists
ext_suffix = sysconfig.get_config_var("EXT_SUFFIX")
config = parent.config
if path.ext in bin_exts:
if config.getoption('--doctest-cython'):
if ext_suffix is None:
bin_file = path
# XXX EXT_SUFFIX is None for pypy (python2.7)
if '.pypy' in path.basename:
basename = path.basename.split('.')[0]
bin_file = path.new(purebasename=basename, ext=path.ext)
else:
basename = path.basename.replace(ext_suffix, "")
bin_file = path.new(purebasename=basename, ext=path.ext)
pyx_file = _find_matching_pyx_file(bin_file, cy_exts)
# only run test if matching .so and .pyx files exist
# create addoption for this ??
if pyx_file is not None:
return DoctestModule(path, parent)
# XXX patch pyimport to support PEP 3149
def get_config_var(var):
try:
return sysconfig.get_config_var(var)
except IOError as e: # Issue #1074
warnings.warn("{0}".format(e), RuntimeWarning)
return None
def get_impl_ver():
"""Return implementation version."""
impl_ver = get_config_var("py_version_nodot")
if not impl_ver or get_abbr_impl() == 'pp':
impl_ver = ''.join(map(str, get_impl_version_info()))
return impl_ver
def get_flag(var, fallback, expected=True, warn=True):
"""Use a fallback method for determining SOABI flags if the needed config
var is unset or unavailable."""
val = get_config_var(var)
if val is None:
if warn:
logger.debug("Config variable '%s' is unset, Python ABI tag may "
"be incorrect", var)
return fallback()
return val == expected
def get_abi_tag():
"""Return the ABI tag based on SOABI (if available) or emulate SOABI
(CPython 2, PyPy)."""
soabi = get_config_var('SOABI')
impl = get_abbr_impl()
if not soabi and impl in ('cp', 'pp') and hasattr(sys, 'maxunicode'):
d = ''
m = ''
u = ''
if get_flag('Py_DEBUG',
lambda: hasattr(sys, 'gettotalrefcount'),
warn=(impl == 'cp')):
d = 'd'
if get_flag('WITH_PYMALLOC',
lambda: impl == 'cp',
warn=(impl == 'cp')):
m = 'm'
if get_flag('Py_UNICODE_SIZE',
lambda: sys.maxunicode == 0x10ffff,
expected=4,
warn=(impl == 'cp' and
sys.version_info < (3, 3))) \
and sys.version_info < (3, 3):
u = 'u'
abi = '%s%s%s%s%s' % (impl, get_impl_ver(), d, m, u)
elif soabi and soabi.startswith('cpython-'):
abi = 'cp' + soabi.split('-')[1]
elif soabi:
abi = soabi.replace('.', '_').replace('-', '_')
else:
abi = None
return abi
def get_config_var(var):
try:
return sysconfig.get_config_var(var)
except IOError as e: # pip Issue #1074
warnings.warn("{0}".format(e), RuntimeWarning)
return None
def get_flag(var, fallback, expected=True, warn=True):
"""Use a fallback method for determining SOABI flags if the needed config
var is unset or unavailable."""
val = get_config_var(var)
if val is None:
if warn:
warnings.warn("Config variable '{0}' is unset, Python ABI tag may "
"be incorrect".format(var), RuntimeWarning, 2)
return fallback()
return val == expected
def get_abi_tag():
"""Return the ABI tag based on SOABI (if available) or emulate SOABI
(CPython 2, PyPy)."""
soabi = get_config_var('SOABI')
impl = get_abbr_impl()
if not soabi and impl in ('cp', 'pp') and hasattr(sys, 'maxunicode'):
d = ''
m = ''
u = ''
if get_flag('Py_DEBUG',
lambda: hasattr(sys, 'gettotalrefcount'),
warn=(impl == 'cp')):
d = 'd'
if get_flag('WITH_PYMALLOC',
lambda: impl == 'cp',
warn=(impl == 'cp')):
m = 'm'
if get_flag('Py_UNICODE_SIZE',
lambda: sys.maxunicode == 0x10ffff,
expected=4,
warn=(impl == 'cp' and
sys.version_info < (3, 3))) \
and sys.version_info < (3, 3):
u = 'u'
abi = '%s%s%s%s%s' % (impl, get_impl_ver(), d, m, u)
elif soabi and soabi.startswith('cpython-'):
abi = 'cp' + soabi.split('-')[1]
elif soabi:
abi = soabi.replace('.', '_').replace('-', '_')
else:
abi = None
return abi
def getuserbase():
"""Returns the `user base` directory path.
The `user base` directory can be used to store data. If the global
variable ``USER_BASE`` is not initialized yet, this function will also set
it.
"""
global USER_BASE
if USER_BASE is not None:
return USER_BASE
from sysconfig import get_config_var
USER_BASE = get_config_var('userbase')
return USER_BASE
def getsitepackages():
"""Returns a list containing all global site-packages directories
(and possibly site-python).
For each directory present in the global ``PREFIXES``, this function
will find its `site-packages` subdirectory depending on the system
environment, and will return a list of full paths.
"""
sitepackages = []
seen = set()
for prefix in PREFIXES:
if not prefix or prefix in seen:
continue
seen.add(prefix)
if sys.platform in ('os2emx', 'riscos'):
sitepackages.append(os.path.join(prefix, "Lib", "site-packages"))
elif os.sep == '/':
sitepackages.append(os.path.join(prefix, "lib",
"python" + sys.version[:3],
"site-packages"))
sitepackages.append(os.path.join(prefix, "lib", "site-python"))
else:
sitepackages.append(prefix)
sitepackages.append(os.path.join(prefix, "lib", "site-packages"))
if sys.platform == "darwin":
# for framework builds *only* we add the standard Apple
# locations.
from sysconfig import get_config_var
framework = get_config_var("PYTHONFRAMEWORK")
if framework and "/%s.framework/"%(framework,) in prefix:
sitepackages.append(
os.path.join("/Library", framework,
sys.version[:3], "site-packages"))
return sitepackages
def get_config_var(var):
try:
return sysconfig.get_config_var(var)
except IOError as e: # Issue #1074
warnings.warn("{}".format(e), RuntimeWarning)
return None
def get_impl_ver():
"""Return implementation version."""
impl_ver = get_config_var("py_version_nodot")
if not impl_ver or get_abbr_impl() == 'pp':
impl_ver = ''.join(map(str, get_impl_version_info()))
return impl_ver
def get_flag(var, fallback, expected=True, warn=True):
"""Use a fallback method for determining SOABI flags if the needed config
var is unset or unavailable."""
val = get_config_var(var)
if val is None:
if warn:
logger.debug("Config variable '%s' is unset, Python ABI tag may "
"be incorrect", var)
return fallback()
return val == expected
def get_abi_tag():
"""Return the ABI tag based on SOABI (if available) or emulate SOABI
(CPython 2, PyPy)."""
soabi = get_config_var('SOABI')
impl = get_abbr_impl()
if not soabi and impl in {'cp', 'pp'} and hasattr(sys, 'maxunicode'):
d = ''
m = ''
u = ''
if get_flag('Py_DEBUG',
lambda: hasattr(sys, 'gettotalrefcount'),
warn=(impl == 'cp')):
d = 'd'
if get_flag('WITH_PYMALLOC',
lambda: impl == 'cp',
warn=(impl == 'cp')):
m = 'm'
if get_flag('Py_UNICODE_SIZE',
lambda: sys.maxunicode == 0x10ffff,
expected=4,
warn=(impl == 'cp' and
sys.version_info < (3, 3))) \
and sys.version_info < (3, 3):
u = 'u'
abi = '%s%s%s%s%s' % (impl, get_impl_ver(), d, m, u)
elif soabi and soabi.startswith('cpython-'):
abi = 'cp' + soabi.split('-')[1]
elif soabi:
abi = soabi.replace('.', '_').replace('-', '_')
else:
abi = None
return abi
def get_config_var(var):
try:
return sysconfig.get_config_var(var)
except IOError as e: # Issue #1074
warnings.warn("{0}".format(e), RuntimeWarning)
return None
