mirror of
https://github.com/python/cpython.git
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d3899c1a96
the architecture triplet in the extension name, to make it easy to test builds for different ABIs in the same working tree.
438 lines
17 KiB
Python
438 lines
17 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 (run_unittest, TESTFN, unlink, check_warnings,
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captured_stdout, skip_unless_symlink)
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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, _expand_vars,
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get_scheme_names, get_config_var, _main)
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import _osx_support
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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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# XXX make real tests here
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for scheme in _INSTALL_SCHEMES:
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for name in _INSTALL_SCHEMES[scheme]:
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res = get_path(name, scheme)
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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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# windows XP, itanium
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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 (Itanium)]')
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sys.platform = 'win32'
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self.assertEqual(get_platform(), 'win-ia64')
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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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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', 'nt_user', 'osx_framework_user',
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'posix_home', 'posix_prefix', 'posix_user')
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self.assertEqual(get_scheme_names(), wanted)
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@skip_unless_symlink
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def test_symlink(self):
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# On Windows, the EXE needs to know where pythonXY.dll is at so we have
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# to add the directory to the path.
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if sys.platform == "win32":
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os.environ["PATH"] = "{};{}".format(
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os.path.dirname(sys.executable), os.environ["PATH"])
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# Issue 7880
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def get(python):
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cmd = [python, '-c',
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'import sysconfig; print(sysconfig.get_platform())']
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p = subprocess.Popen(cmd, stdout=subprocess.PIPE, env=os.environ)
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return p.communicate()
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real = os.path.realpath(sys.executable)
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link = os.path.abspath(TESTFN)
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os.symlink(real, link)
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try:
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self.assertEqual(get(real), get(link))
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finally:
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unlink(link)
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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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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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user_path = get_path(name, 'posix_user')
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self.assertEqual(user_path, global_path.replace(base, user, 1))
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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.skipUnless(sys.platform == "darwin", "test only relevant on MacOSX")
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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
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# using a value that is unlikely to be the default one.
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env = os.environ.copy()
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env['MACOSX_DEPLOYMENT_TARGET'] = '10.1'
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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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def test_srcdir(self):
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# See Issues #15322, #15364.
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srcdir = sysconfig.get_config_var('srcdir')
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self.assertTrue(os.path.isabs(srcdir), srcdir)
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self.assertTrue(os.path.isdir(srcdir), srcdir)
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if sysconfig._PYTHON_BUILD:
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# The python executable has not been installed so srcdir
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# should be a full source checkout.
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Python_h = os.path.join(srcdir, 'Include', 'Python.h')
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self.assertTrue(os.path.exists(Python_h), Python_h)
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self.assertTrue(sysconfig._is_python_source_dir(srcdir))
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elif os.name == 'posix':
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makefile_dir = os.path.dirname(sysconfig.get_makefile_filename())
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# Issue #19340: srcdir has been realpath'ed already
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makefile_dir = os.path.realpath(makefile_dir)
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self.assertEqual(makefile_dir, srcdir)
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def test_srcdir_independent_of_cwd(self):
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# srcdir should be independent of the current working directory
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# See Issues #15322, #15364.
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srcdir = sysconfig.get_config_var('srcdir')
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cwd = os.getcwd()
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try:
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os.chdir('..')
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srcdir2 = sysconfig.get_config_var('srcdir')
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finally:
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os.chdir(cwd)
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self.assertEqual(srcdir, srcdir2)
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@unittest.skipIf(sysconfig.get_config_var('EXT_SUFFIX') is None,
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'EXT_SUFFIX required for this test')
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def test_SO_deprecation(self):
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self.assertWarns(DeprecationWarning,
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sysconfig.get_config_var, 'SO')
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@unittest.skipIf(sysconfig.get_config_var('EXT_SUFFIX') is None,
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'EXT_SUFFIX required for this test')
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def test_SO_value(self):
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with check_warnings(('', DeprecationWarning)):
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self.assertEqual(sysconfig.get_config_var('SO'),
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sysconfig.get_config_var('EXT_SUFFIX'))
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@unittest.skipIf(sysconfig.get_config_var('EXT_SUFFIX') is None,
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'EXT_SUFFIX required for this test')
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def test_SO_in_vars(self):
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vars = sysconfig.get_config_vars()
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self.assertIsNotNone(vars['SO'])
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self.assertEqual(vars['SO'], vars['EXT_SUFFIX'])
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@unittest.skipUnless(sys.platform == 'linux', 'Linux-specific test')
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def test_triplet_in_ext_suffix(self):
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import ctypes, platform, re
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machine = platform.machine()
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suffix = sysconfig.get_config_var('EXT_SUFFIX')
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if re.match('(aarch64|arm|mips|ppc|powerpc|s390|sparc)', machine):
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self.assertTrue('linux' in suffix, suffix)
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if re.match('(i[3-6]86|x86_64)$', 'x86_64'):
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if ctypes.sizeof(ctypes.c_char_p()) == 4:
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self.assertTrue(suffix.endswith('i386-linux-gnu.so') \
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or suffix.endswith('x86_64-linux-gnux32.so'),
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suffix)
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else: # 8 byte pointer size
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self.assertTrue(suffix.endswith('x86_64-linux-gnu.so'), suffix)
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class MakefileTests(unittest.TestCase):
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@unittest.skipIf(sys.platform.startswith('win'),
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'Test is not Windows compatible')
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def test_get_makefile_filename(self):
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makefile = sysconfig.get_makefile_filename()
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self.assertTrue(os.path.isfile(makefile), makefile)
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def test_parse_makefile(self):
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self.addCleanup(unlink, TESTFN)
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with open(TESTFN, "w") as makefile:
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print("var1=a$(VAR2)", file=makefile)
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print("VAR2=b$(var3)", file=makefile)
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print("var3=42", file=makefile)
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print("var4=$/invalid", file=makefile)
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print("var5=dollar$$5", file=makefile)
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vars = sysconfig._parse_makefile(TESTFN)
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self.assertEqual(vars, {
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'var1': 'ab42',
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'VAR2': 'b42',
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'var3': 42,
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'var4': '$/invalid',
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'var5': 'dollar$5',
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})
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def test_main():
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run_unittest(TestSysConfig, MakefileTests)
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if __name__ == "__main__":
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test_main()
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