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