"""Tests for sysconfig.""" import unittest import sys import os import subprocess import shutil from copy import copy, deepcopy from test.support import (run_unittest, TESTFN, unlink, captured_stdout, skip_unless_symlink) import sysconfig from sysconfig import (get_paths, get_platform, get_config_vars, get_path, get_path_names, _INSTALL_SCHEMES, _get_default_scheme, _expand_vars, get_scheme_names, get_config_var, _main) import _osx_support class TestSysConfig(unittest.TestCase): def setUp(self): """Make a copy of sys.path""" 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._uname = None 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 = copy(sysconfig._CONFIG_VARS) self.old_environ = deepcopy(os.environ) def tearDown(self): """Restore sys.path""" 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 = copy(self._config_vars) for key, value in self.old_environ.items(): if os.environ.get(key) != value: os.environ[key] = value for key in list(os.environ.keys()): if key not in self.old_environ: del os.environ[key] super(TestSysConfig, self).tearDown() def _set_uname(self, uname): self._uname = 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 = list(wanted.items()) wanted.sort() scheme = list(scheme.items()) scheme.sort() self.assertEqual(scheme, wanted) def test_get_path(self): # xxx make real tests here for scheme in _INSTALL_SCHEMES: for name in _INSTALL_SCHEMES[scheme]: res = get_path(name, scheme) def test_get_config_vars(self): cvars = get_config_vars() self.assertTrue(isinstance(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') # windows XP, itanium os.name = 'nt' sys.version = ('2.4.4 (#71, Oct 18 2006, 08:34:43) ' '[MSC v.1310 32 bit (Itanium)]') sys.platform = 'win32' self.assertEqual(get_platform(), 'win-ia64') # 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 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', 'nt_user', 'os2', 'os2_home', 'osx_framework_user', 'posix_home', 'posix_prefix', 'posix_user') self.assertEqual(get_scheme_names(), wanted) @skip_unless_symlink def test_symlink(self): # On Windows, the EXE needs to know where pythonXY.dll is at so we have # to add the directory to the path. if sys.platform == "win32": os.environ["Path"] = "{};{}".format( os.path.dirname(sys.executable), os.environ["Path"]) # Issue 7880 def get(python): cmd = [python, '-c', 'import sysconfig; print(sysconfig.get_platform())'] p = subprocess.Popen(cmd, stdout=subprocess.PIPE, env=os.environ) return p.communicate() real = os.path.realpath(sys.executable) link = os.path.abspath(TESTFN) os.symlink(real, link) try: self.assertEqual(get(real), get(link)) finally: unlink(link) 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') 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.prefix != sys.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.prefix) base = base.replace(sys.exec_prefix, sys.prefix) user_path = get_path(name, 'posix_user') self.assertEqual(user_path, global_path.replace(base, user, 1)) 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") 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'] with open('/dev/null', 'w') as devnull_fp: p = subprocess.Popen([ sys.executable, '-c', 'import sysconfig; print(sysconfig.get_platform())', ], stdout=subprocess.PIPE, stderr=devnull_fp, 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=open('/dev/null'), 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) class MakefileTests(unittest.TestCase): @unittest.skipIf(sys.platform.startswith('win'), 'Test is not Windows compatible') 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) vars = sysconfig._parse_makefile(TESTFN) self.assertEqual(vars, { 'var1': 'ab42', 'VAR2': 'b42', 'var3': 42, 'var4': '$/invalid', 'var5': 'dollar$5', }) def test_main(): run_unittest(TestSysConfig, MakefileTests) if __name__ == "__main__": test_main()