mirror of https://github.com/python/cpython
560 lines
23 KiB
Python
560 lines
23 KiB
Python
import unittest
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import sys
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import os
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import subprocess
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import shutil
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from copy import copy
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from test.support import (
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captured_stdout, PythonSymlink, requires_subprocess, is_wasi
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)
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from test.support.import_helper import import_module
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from test.support.os_helper import (TESTFN, unlink, skip_unless_symlink,
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change_cwd)
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import sysconfig
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from sysconfig import (get_paths, get_platform, get_config_vars,
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get_path, get_path_names, _INSTALL_SCHEMES,
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get_default_scheme, get_scheme_names, get_config_var,
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_expand_vars, _get_preferred_schemes)
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from sysconfig.__main__ import _main, _parse_makefile
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import _imp
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import _osx_support
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import _sysconfig
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HAS_USER_BASE = sysconfig._HAS_USER_BASE
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class TestSysConfig(unittest.TestCase):
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def setUp(self):
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super(TestSysConfig, self).setUp()
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self.sys_path = sys.path[:]
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# patching os.uname
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if hasattr(os, 'uname'):
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self.uname = os.uname
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self._uname = os.uname()
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else:
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self.uname = None
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self._set_uname(('',)*5)
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os.uname = self._get_uname
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# saving the environment
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self.name = os.name
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self.platform = sys.platform
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self.version = sys.version
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self.sep = os.sep
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self.join = os.path.join
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self.isabs = os.path.isabs
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self.splitdrive = os.path.splitdrive
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self._config_vars = sysconfig._CONFIG_VARS, copy(sysconfig._CONFIG_VARS)
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self._added_envvars = []
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self._changed_envvars = []
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for var in ('MACOSX_DEPLOYMENT_TARGET', 'PATH'):
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if var in os.environ:
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self._changed_envvars.append((var, os.environ[var]))
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else:
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self._added_envvars.append(var)
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def tearDown(self):
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sys.path[:] = self.sys_path
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self._cleanup_testfn()
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if self.uname is not None:
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os.uname = self.uname
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else:
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del os.uname
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os.name = self.name
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sys.platform = self.platform
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sys.version = self.version
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os.sep = self.sep
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os.path.join = self.join
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os.path.isabs = self.isabs
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os.path.splitdrive = self.splitdrive
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sysconfig._CONFIG_VARS = self._config_vars[0]
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sysconfig._CONFIG_VARS.clear()
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sysconfig._CONFIG_VARS.update(self._config_vars[1])
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for var, value in self._changed_envvars:
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os.environ[var] = value
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for var in self._added_envvars:
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os.environ.pop(var, None)
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super(TestSysConfig, self).tearDown()
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def _set_uname(self, uname):
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self._uname = os.uname_result(uname)
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def _get_uname(self):
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return self._uname
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def _cleanup_testfn(self):
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path = TESTFN
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if os.path.isfile(path):
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os.remove(path)
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elif os.path.isdir(path):
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shutil.rmtree(path)
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def test_get_path_names(self):
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self.assertEqual(get_path_names(), sysconfig._SCHEME_KEYS)
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def test_get_paths(self):
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scheme = get_paths()
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default_scheme = get_default_scheme()
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wanted = _expand_vars(default_scheme, None)
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wanted = sorted(wanted.items())
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scheme = sorted(scheme.items())
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self.assertEqual(scheme, wanted)
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def test_get_path(self):
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config_vars = get_config_vars()
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if os.name == 'nt':
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# On Windows, we replace the native platlibdir name with the
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# default so that POSIX schemes resolve correctly
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config_vars = config_vars | {'platlibdir': 'lib'}
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for scheme in _INSTALL_SCHEMES:
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for name in _INSTALL_SCHEMES[scheme]:
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expected = _INSTALL_SCHEMES[scheme][name].format(**config_vars)
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self.assertEqual(
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os.path.normpath(get_path(name, scheme)),
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os.path.normpath(expected),
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)
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def test_get_default_scheme(self):
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self.assertIn(get_default_scheme(), _INSTALL_SCHEMES)
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def test_get_preferred_schemes(self):
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expected_schemes = {'prefix', 'home', 'user'}
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# Windows.
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os.name = 'nt'
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schemes = _get_preferred_schemes()
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self.assertIsInstance(schemes, dict)
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self.assertEqual(set(schemes), expected_schemes)
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# Mac and Linux, shared library build.
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os.name = 'posix'
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schemes = _get_preferred_schemes()
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self.assertIsInstance(schemes, dict)
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self.assertEqual(set(schemes), expected_schemes)
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# Mac, framework build.
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os.name = 'posix'
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sys.platform = 'darwin'
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sys._framework = True
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self.assertIsInstance(schemes, dict)
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self.assertEqual(set(schemes), expected_schemes)
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def test_posix_venv_scheme(self):
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# The following directories were hardcoded in the venv module
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# before bpo-45413, here we assert the posix_venv scheme does not regress
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binpath = 'bin'
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incpath = 'include'
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libpath = os.path.join('lib',
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'python%d.%d' % sys.version_info[:2],
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'site-packages')
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# Resolve the paths in prefix
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binpath = os.path.join(sys.prefix, binpath)
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incpath = os.path.join(sys.prefix, incpath)
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libpath = os.path.join(sys.prefix, libpath)
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self.assertEqual(binpath, sysconfig.get_path('scripts', scheme='posix_venv'))
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self.assertEqual(libpath, sysconfig.get_path('purelib', scheme='posix_venv'))
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# The include directory on POSIX isn't exactly the same as before,
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# but it is "within"
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sysconfig_includedir = sysconfig.get_path('include', scheme='posix_venv')
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self.assertTrue(sysconfig_includedir.startswith(incpath + os.sep))
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def test_nt_venv_scheme(self):
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# The following directories were hardcoded in the venv module
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# before bpo-45413, here we assert the posix_venv scheme does not regress
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binpath = 'Scripts'
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incpath = 'Include'
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libpath = os.path.join('Lib', 'site-packages')
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# Resolve the paths in prefix
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binpath = os.path.join(sys.prefix, binpath)
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incpath = os.path.join(sys.prefix, incpath)
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libpath = os.path.join(sys.prefix, libpath)
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self.assertEqual(binpath, sysconfig.get_path('scripts', scheme='nt_venv'))
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self.assertEqual(incpath, sysconfig.get_path('include', scheme='nt_venv'))
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self.assertEqual(libpath, sysconfig.get_path('purelib', scheme='nt_venv'))
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def test_venv_scheme(self):
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if sys.platform == 'win32':
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self.assertEqual(
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sysconfig.get_path('scripts', scheme='venv'),
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sysconfig.get_path('scripts', scheme='nt_venv')
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)
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self.assertEqual(
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sysconfig.get_path('include', scheme='venv'),
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sysconfig.get_path('include', scheme='nt_venv')
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)
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self.assertEqual(
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sysconfig.get_path('purelib', scheme='venv'),
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sysconfig.get_path('purelib', scheme='nt_venv')
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)
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else:
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self.assertEqual(
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sysconfig.get_path('scripts', scheme='venv'),
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sysconfig.get_path('scripts', scheme='posix_venv')
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)
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self.assertEqual(
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sysconfig.get_path('include', scheme='venv'),
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sysconfig.get_path('include', scheme='posix_venv')
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)
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self.assertEqual(
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sysconfig.get_path('purelib', scheme='venv'),
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sysconfig.get_path('purelib', scheme='posix_venv')
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)
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def test_get_config_vars(self):
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cvars = get_config_vars()
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self.assertIsInstance(cvars, dict)
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self.assertTrue(cvars)
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def test_get_platform(self):
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# windows XP, 32bits
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os.name = 'nt'
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sys.version = ('2.4.4 (#71, Oct 18 2006, 08:34:43) '
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'[MSC v.1310 32 bit (Intel)]')
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sys.platform = 'win32'
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self.assertEqual(get_platform(), 'win32')
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# windows XP, amd64
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os.name = 'nt'
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sys.version = ('2.4.4 (#71, Oct 18 2006, 08:34:43) '
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'[MSC v.1310 32 bit (Amd64)]')
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sys.platform = 'win32'
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self.assertEqual(get_platform(), 'win-amd64')
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# macbook
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os.name = 'posix'
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sys.version = ('2.5 (r25:51918, Sep 19 2006, 08:49:13) '
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'\n[GCC 4.0.1 (Apple Computer, Inc. build 5341)]')
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sys.platform = 'darwin'
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self._set_uname(('Darwin', 'macziade', '8.11.1',
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('Darwin Kernel Version 8.11.1: '
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'Wed Oct 10 18:23:28 PDT 2007; '
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'root:xnu-792.25.20~1/RELEASE_I386'), 'PowerPC'))
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_osx_support._remove_original_values(get_config_vars())
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get_config_vars()['MACOSX_DEPLOYMENT_TARGET'] = '10.3'
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get_config_vars()['CFLAGS'] = ('-fno-strict-aliasing -DNDEBUG -g '
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'-fwrapv -O3 -Wall -Wstrict-prototypes')
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maxint = sys.maxsize
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try:
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sys.maxsize = 2147483647
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self.assertEqual(get_platform(), 'macosx-10.3-ppc')
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sys.maxsize = 9223372036854775807
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self.assertEqual(get_platform(), 'macosx-10.3-ppc64')
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finally:
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sys.maxsize = maxint
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self._set_uname(('Darwin', 'macziade', '8.11.1',
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('Darwin Kernel Version 8.11.1: '
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'Wed Oct 10 18:23:28 PDT 2007; '
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'root:xnu-792.25.20~1/RELEASE_I386'), 'i386'))
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_osx_support._remove_original_values(get_config_vars())
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get_config_vars()['MACOSX_DEPLOYMENT_TARGET'] = '10.3'
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get_config_vars()['CFLAGS'] = ('-fno-strict-aliasing -DNDEBUG -g '
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'-fwrapv -O3 -Wall -Wstrict-prototypes')
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maxint = sys.maxsize
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try:
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sys.maxsize = 2147483647
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self.assertEqual(get_platform(), 'macosx-10.3-i386')
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sys.maxsize = 9223372036854775807
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self.assertEqual(get_platform(), 'macosx-10.3-x86_64')
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finally:
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sys.maxsize = maxint
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# macbook with fat binaries (fat, universal or fat64)
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_osx_support._remove_original_values(get_config_vars())
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get_config_vars()['MACOSX_DEPLOYMENT_TARGET'] = '10.4'
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get_config_vars()['CFLAGS'] = ('-arch ppc -arch i386 -isysroot '
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'/Developer/SDKs/MacOSX10.4u.sdk '
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'-fno-strict-aliasing -fno-common '
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'-dynamic -DNDEBUG -g -O3')
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self.assertEqual(get_platform(), 'macosx-10.4-fat')
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_osx_support._remove_original_values(get_config_vars())
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get_config_vars()['CFLAGS'] = ('-arch x86_64 -arch i386 -isysroot '
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'/Developer/SDKs/MacOSX10.4u.sdk '
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'-fno-strict-aliasing -fno-common '
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'-dynamic -DNDEBUG -g -O3')
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self.assertEqual(get_platform(), 'macosx-10.4-intel')
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_osx_support._remove_original_values(get_config_vars())
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get_config_vars()['CFLAGS'] = ('-arch x86_64 -arch ppc -arch i386 -isysroot '
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'/Developer/SDKs/MacOSX10.4u.sdk '
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'-fno-strict-aliasing -fno-common '
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'-dynamic -DNDEBUG -g -O3')
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self.assertEqual(get_platform(), 'macosx-10.4-fat3')
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_osx_support._remove_original_values(get_config_vars())
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get_config_vars()['CFLAGS'] = ('-arch ppc64 -arch x86_64 -arch ppc -arch i386 -isysroot '
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'/Developer/SDKs/MacOSX10.4u.sdk '
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'-fno-strict-aliasing -fno-common '
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'-dynamic -DNDEBUG -g -O3')
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self.assertEqual(get_platform(), 'macosx-10.4-universal')
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_osx_support._remove_original_values(get_config_vars())
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get_config_vars()['CFLAGS'] = ('-arch x86_64 -arch ppc64 -isysroot '
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'/Developer/SDKs/MacOSX10.4u.sdk '
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'-fno-strict-aliasing -fno-common '
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'-dynamic -DNDEBUG -g -O3')
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self.assertEqual(get_platform(), 'macosx-10.4-fat64')
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for arch in ('ppc', 'i386', 'x86_64', 'ppc64'):
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_osx_support._remove_original_values(get_config_vars())
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get_config_vars()['CFLAGS'] = ('-arch %s -isysroot '
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'/Developer/SDKs/MacOSX10.4u.sdk '
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'-fno-strict-aliasing -fno-common '
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'-dynamic -DNDEBUG -g -O3' % arch)
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self.assertEqual(get_platform(), 'macosx-10.4-%s' % arch)
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# linux debian sarge
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os.name = 'posix'
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sys.version = ('2.3.5 (#1, Jul 4 2007, 17:28:59) '
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'\n[GCC 4.1.2 20061115 (prerelease) (Debian 4.1.1-21)]')
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sys.platform = 'linux2'
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self._set_uname(('Linux', 'aglae', '2.6.21.1dedibox-r7',
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'#1 Mon Apr 30 17:25:38 CEST 2007', 'i686'))
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self.assertEqual(get_platform(), 'linux-i686')
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# XXX more platforms to tests here
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@unittest.skipIf(is_wasi, "Incompatible with WASI mapdir and OOT builds")
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def test_get_config_h_filename(self):
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config_h = sysconfig.get_config_h_filename()
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self.assertTrue(os.path.isfile(config_h), config_h)
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def test_get_scheme_names(self):
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wanted = ['nt', 'posix_home', 'posix_prefix', 'posix_venv', 'nt_venv', 'venv']
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if HAS_USER_BASE:
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wanted.extend(['nt_user', 'osx_framework_user', 'posix_user'])
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self.assertEqual(get_scheme_names(), tuple(sorted(wanted)))
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@skip_unless_symlink
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@requires_subprocess()
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def test_symlink(self): # Issue 7880
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with PythonSymlink() as py:
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cmd = "-c", "import sysconfig; print(sysconfig.get_platform())"
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self.assertEqual(py.call_real(*cmd), py.call_link(*cmd))
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def test_user_similar(self):
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# Issue #8759: make sure the posix scheme for the users
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# is similar to the global posix_prefix one
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base = get_config_var('base')
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if HAS_USER_BASE:
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user = get_config_var('userbase')
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# the global scheme mirrors the distinction between prefix and
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# exec-prefix but not the user scheme, so we have to adapt the paths
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# before comparing (issue #9100)
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adapt = sys.base_prefix != sys.base_exec_prefix
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for name in ('stdlib', 'platstdlib', 'purelib', 'platlib'):
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global_path = get_path(name, 'posix_prefix')
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if adapt:
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global_path = global_path.replace(sys.exec_prefix, sys.base_prefix)
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base = base.replace(sys.exec_prefix, sys.base_prefix)
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elif sys.base_prefix != sys.prefix:
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# virtual environment? Likewise, we have to adapt the paths
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# before comparing
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global_path = global_path.replace(sys.base_prefix, sys.prefix)
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base = base.replace(sys.base_prefix, sys.prefix)
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if HAS_USER_BASE:
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user_path = get_path(name, 'posix_user')
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expected = os.path.normpath(global_path.replace(base, user, 1))
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# bpo-44860: platlib of posix_user doesn't use sys.platlibdir,
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# whereas posix_prefix does.
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if name == 'platlib':
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# Replace "/lib64/python3.11/site-packages" suffix
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# with "/lib/python3.11/site-packages".
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py_version_short = sysconfig.get_python_version()
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suffix = f'python{py_version_short}/site-packages'
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expected = expected.replace(f'/{sys.platlibdir}/{suffix}',
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f'/lib/{suffix}')
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self.assertEqual(user_path, expected)
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def test_main(self):
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# just making sure _main() runs and returns things in the stdout
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with captured_stdout() as output:
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_main()
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self.assertTrue(len(output.getvalue().split('\n')) > 0)
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@unittest.skipIf(sys.platform == "win32", "Does not apply to Windows")
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def test_ldshared_value(self):
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ldflags = sysconfig.get_config_var('LDFLAGS')
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ldshared = sysconfig.get_config_var('LDSHARED')
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self.assertIn(ldflags, ldshared)
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@unittest.skipIf(not _imp.extension_suffixes(), "stub loader has no suffixes")
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def test_soabi(self):
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soabi = sysconfig.get_config_var('SOABI')
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self.assertIn(soabi, _imp.extension_suffixes()[0])
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def test_library(self):
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library = sysconfig.get_config_var('LIBRARY')
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ldlibrary = sysconfig.get_config_var('LDLIBRARY')
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major, minor = sys.version_info[:2]
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if sys.platform == 'win32':
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self.assertTrue(library.startswith(f'python{major}{minor}'))
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self.assertTrue(library.endswith('.dll'))
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self.assertEqual(library, ldlibrary)
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else:
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self.assertTrue(library.startswith(f'libpython{major}.{minor}'))
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self.assertTrue(library.endswith('.a'))
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self.assertTrue(ldlibrary.startswith(f'libpython{major}.{minor}'))
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@unittest.skipUnless(sys.platform == "darwin", "test only relevant on MacOSX")
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@requires_subprocess()
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def test_platform_in_subprocess(self):
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my_platform = sysconfig.get_platform()
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# Test without MACOSX_DEPLOYMENT_TARGET in the environment
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env = os.environ.copy()
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if 'MACOSX_DEPLOYMENT_TARGET' in env:
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del env['MACOSX_DEPLOYMENT_TARGET']
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p = subprocess.Popen([
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sys.executable, '-c',
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'import sysconfig; print(sysconfig.get_platform())',
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],
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stdout=subprocess.PIPE,
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stderr=subprocess.DEVNULL,
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env=env)
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test_platform = p.communicate()[0].strip()
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test_platform = test_platform.decode('utf-8')
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status = p.wait()
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self.assertEqual(status, 0)
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self.assertEqual(my_platform, test_platform)
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# Test with MACOSX_DEPLOYMENT_TARGET in the environment, and
|
|
# using a value that is unlikely to be the default one.
|
|
env = os.environ.copy()
|
|
env['MACOSX_DEPLOYMENT_TARGET'] = '10.1'
|
|
|
|
p = subprocess.Popen([
|
|
sys.executable, '-c',
|
|
'import sysconfig; print(sysconfig.get_platform())',
|
|
],
|
|
stdout=subprocess.PIPE,
|
|
stderr=subprocess.DEVNULL,
|
|
env=env)
|
|
test_platform = p.communicate()[0].strip()
|
|
test_platform = test_platform.decode('utf-8')
|
|
status = p.wait()
|
|
|
|
self.assertEqual(status, 0)
|
|
self.assertEqual(my_platform, test_platform)
|
|
|
|
@unittest.skipIf(is_wasi, "Incompatible with WASI mapdir and OOT builds")
|
|
def test_srcdir(self):
|
|
# See Issues #15322, #15364.
|
|
srcdir = sysconfig.get_config_var('srcdir')
|
|
|
|
self.assertTrue(os.path.isabs(srcdir), srcdir)
|
|
self.assertTrue(os.path.isdir(srcdir), srcdir)
|
|
|
|
if sysconfig._PYTHON_BUILD:
|
|
# The python executable has not been installed so srcdir
|
|
# should be a full source checkout.
|
|
Python_h = os.path.join(srcdir, 'Include', 'Python.h')
|
|
self.assertTrue(os.path.exists(Python_h), Python_h)
|
|
# <srcdir>/PC/pyconfig.h.in always exists even if unused
|
|
pyconfig_h = os.path.join(srcdir, 'PC', 'pyconfig.h.in')
|
|
self.assertTrue(os.path.exists(pyconfig_h), pyconfig_h)
|
|
pyconfig_h_in = os.path.join(srcdir, 'pyconfig.h.in')
|
|
self.assertTrue(os.path.exists(pyconfig_h_in), pyconfig_h_in)
|
|
if os.name == 'nt':
|
|
# <executable dir>/pyconfig.h exists on Windows in a build tree
|
|
pyconfig_h = os.path.join(sys.executable, '..', 'pyconfig.h')
|
|
self.assertTrue(os.path.exists(pyconfig_h), pyconfig_h)
|
|
elif os.name == 'posix':
|
|
makefile_dir = os.path.dirname(sysconfig.get_makefile_filename())
|
|
# Issue #19340: srcdir has been realpath'ed already
|
|
makefile_dir = os.path.realpath(makefile_dir)
|
|
self.assertEqual(makefile_dir, srcdir)
|
|
|
|
def test_srcdir_independent_of_cwd(self):
|
|
# srcdir should be independent of the current working directory
|
|
# See Issues #15322, #15364.
|
|
srcdir = sysconfig.get_config_var('srcdir')
|
|
with change_cwd(os.pardir):
|
|
srcdir2 = sysconfig.get_config_var('srcdir')
|
|
self.assertEqual(srcdir, srcdir2)
|
|
|
|
@unittest.skipIf(sysconfig.get_config_var('EXT_SUFFIX') is None,
|
|
'EXT_SUFFIX required for this test')
|
|
@unittest.skipIf(not _imp.extension_suffixes(), "stub loader has no suffixes")
|
|
def test_EXT_SUFFIX_in_vars(self):
|
|
vars = sysconfig.get_config_vars()
|
|
self.assertEqual(vars['EXT_SUFFIX'], _imp.extension_suffixes()[0])
|
|
|
|
@unittest.skipUnless(sys.platform == 'linux' and
|
|
hasattr(sys.implementation, '_multiarch'),
|
|
'multiarch-specific test')
|
|
def test_triplet_in_ext_suffix(self):
|
|
ctypes = import_module('ctypes')
|
|
import platform, re
|
|
machine = platform.machine()
|
|
suffix = sysconfig.get_config_var('EXT_SUFFIX')
|
|
if re.match('(aarch64|arm|mips|ppc|powerpc|s390|sparc)', machine):
|
|
self.assertTrue('linux' in suffix, suffix)
|
|
if re.match('(i[3-6]86|x86_64)$', machine):
|
|
if ctypes.sizeof(ctypes.c_char_p()) == 4:
|
|
expected_suffixes = 'i386-linux-gnu.so', 'x86_64-linux-gnux32.so', 'i386-linux-musl.so'
|
|
else: # 8 byte pointer size
|
|
expected_suffixes = 'x86_64-linux-gnu.so', 'x86_64-linux-musl.so'
|
|
self.assertTrue(suffix.endswith(expected_suffixes),
|
|
f'unexpected suffix {suffix!r}')
|
|
|
|
@unittest.skipUnless(sys.platform == 'darwin', 'OS X-specific test')
|
|
def test_osx_ext_suffix(self):
|
|
suffix = sysconfig.get_config_var('EXT_SUFFIX')
|
|
self.assertTrue(suffix.endswith('-darwin.so'), suffix)
|
|
|
|
class MakefileTests(unittest.TestCase):
|
|
|
|
@unittest.skipIf(sys.platform.startswith('win'),
|
|
'Test is not Windows compatible')
|
|
@unittest.skipIf(is_wasi, "Incompatible with WASI mapdir and OOT builds")
|
|
def test_get_makefile_filename(self):
|
|
makefile = sysconfig.get_makefile_filename()
|
|
self.assertTrue(os.path.isfile(makefile), makefile)
|
|
|
|
def test_parse_makefile(self):
|
|
self.addCleanup(unlink, TESTFN)
|
|
with open(TESTFN, "w") as makefile:
|
|
print("var1=a$(VAR2)", file=makefile)
|
|
print("VAR2=b$(var3)", file=makefile)
|
|
print("var3=42", file=makefile)
|
|
print("var4=$/invalid", file=makefile)
|
|
print("var5=dollar$$5", file=makefile)
|
|
print("var6=${var3}/lib/python3.5/config-$(VAR2)$(var5)"
|
|
"-x86_64-linux-gnu", file=makefile)
|
|
vars = _parse_makefile(TESTFN)
|
|
self.assertEqual(vars, {
|
|
'var1': 'ab42',
|
|
'VAR2': 'b42',
|
|
'var3': 42,
|
|
'var4': '$/invalid',
|
|
'var5': 'dollar$5',
|
|
'var6': '42/lib/python3.5/config-b42dollar$5-x86_64-linux-gnu',
|
|
})
|
|
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main()
|