import os import platform import subprocess import sys import sysconfig import tempfile import unittest from unittest import mock from test import support class PlatformTest(unittest.TestCase): def clear_caches(self): platform._platform_cache.clear() platform._sys_version_cache.clear() platform._uname_cache = None def test_architecture(self): res = platform.architecture() @support.skip_unless_symlink def test_architecture_via_symlink(self): # issue3762 # On Windows, the EXE needs to know where pythonXY.dll and *.pyd is at # so we add the directory to the path, PYTHONHOME and PYTHONPATH. env = None if sys.platform == "win32": env = {k.upper(): os.environ[k] for k in os.environ} env["PATH"] = "{};{}".format( os.path.dirname(sys.executable), env.get("PATH", "")) env["PYTHONHOME"] = os.path.dirname(sys.executable) if sysconfig.is_python_build(True): env["PYTHONPATH"] = os.path.dirname(os.__file__) def get(python, env=None): cmd = [python, '-c', 'import platform; print(platform.architecture())'] p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, env=env) r = p.communicate() if p.returncode: print(repr(r[0])) print(repr(r[1]), file=sys.stderr) self.fail('unexpected return code: {0} (0x{0:08X})' .format(p.returncode)) return r real = os.path.realpath(sys.executable) link = os.path.abspath(support.TESTFN) os.symlink(real, link) try: self.assertEqual(get(real), get(link, env=env)) finally: os.remove(link) def test_platform(self): for aliased in (False, True): for terse in (False, True): res = platform.platform(aliased, terse) def test_system(self): res = platform.system() def test_node(self): res = platform.node() def test_release(self): res = platform.release() def test_version(self): res = platform.version() def test_machine(self): res = platform.machine() def test_processor(self): res = platform.processor() def setUp(self): self.save_version = sys.version self.save_git = sys._git self.save_platform = sys.platform def tearDown(self): sys.version = self.save_version sys._git = self.save_git sys.platform = self.save_platform def test_sys_version(self): # Old test. for input, output in ( ('2.4.3 (#1, Jun 21 2006, 13:54:21) \n[GCC 3.3.4 (pre 3.3.5 20040809)]', ('CPython', '2.4.3', '', '', '1', 'Jun 21 2006 13:54:21', 'GCC 3.3.4 (pre 3.3.5 20040809)')), ('IronPython 1.0.60816 on .NET 2.0.50727.42', ('IronPython', '1.0.60816', '', '', '', '', '.NET 2.0.50727.42')), ('IronPython 1.0 (1.0.61005.1977) on .NET 2.0.50727.42', ('IronPython', '1.0.0', '', '', '', '', '.NET 2.0.50727.42')), ('2.4.3 (truncation, date, t) \n[GCC]', ('CPython', '2.4.3', '', '', 'truncation', 'date t', 'GCC')), ('2.4.3 (truncation, date, ) \n[GCC]', ('CPython', '2.4.3', '', '', 'truncation', 'date', 'GCC')), ('2.4.3 (truncation, date,) \n[GCC]', ('CPython', '2.4.3', '', '', 'truncation', 'date', 'GCC')), ('2.4.3 (truncation, date) \n[GCC]', ('CPython', '2.4.3', '', '', 'truncation', 'date', 'GCC')), ('2.4.3 (truncation, d) \n[GCC]', ('CPython', '2.4.3', '', '', 'truncation', 'd', 'GCC')), ('2.4.3 (truncation, ) \n[GCC]', ('CPython', '2.4.3', '', '', 'truncation', '', 'GCC')), ('2.4.3 (truncation,) \n[GCC]', ('CPython', '2.4.3', '', '', 'truncation', '', 'GCC')), ('2.4.3 (truncation) \n[GCC]', ('CPython', '2.4.3', '', '', 'truncation', '', 'GCC')), ): # branch and revision are not "parsed", but fetched # from sys._git. Ignore them (name, version, branch, revision, buildno, builddate, compiler) \ = platform._sys_version(input) self.assertEqual( (name, version, '', '', buildno, builddate, compiler), output) # Tests for python_implementation(), python_version(), python_branch(), # python_revision(), python_build(), and python_compiler(). sys_versions = { ("2.6.1 (r261:67515, Dec 6 2008, 15:26:00) \n[GCC 4.0.1 (Apple Computer, Inc. build 5370)]", ('CPython', 'tags/r261', '67515'), self.save_platform) : ("CPython", "2.6.1", "tags/r261", "67515", ('r261:67515', 'Dec 6 2008 15:26:00'), 'GCC 4.0.1 (Apple Computer, Inc. build 5370)'), ("IronPython 2.0 (2.0.0.0) on .NET 2.0.50727.3053", None, "cli") : ("IronPython", "2.0.0", "", "", ("", ""), ".NET 2.0.50727.3053"), ("2.6.1 (IronPython 2.6.1 (2.6.10920.0) on .NET 2.0.50727.1433)", None, "cli") : ("IronPython", "2.6.1", "", "", ("", ""), ".NET 2.0.50727.1433"), ("2.7.4 (IronPython 2.7.4 (2.7.0.40) on Mono 4.0.30319.1 (32-bit))", None, "cli") : ("IronPython", "2.7.4", "", "", ("", ""), "Mono 4.0.30319.1 (32-bit)"), ("2.5 (trunk:6107, Mar 26 2009, 13:02:18) \n[Java HotSpot(TM) Client VM (\"Apple Computer, Inc.\")]", ('Jython', 'trunk', '6107'), "java1.5.0_16") : ("Jython", "2.5.0", "trunk", "6107", ('trunk:6107', 'Mar 26 2009'), "java1.5.0_16"), ("2.5.2 (63378, Mar 26 2009, 18:03:29)\n[PyPy 1.0.0]", ('PyPy', 'trunk', '63378'), self.save_platform) : ("PyPy", "2.5.2", "trunk", "63378", ('63378', 'Mar 26 2009'), "") } for (version_tag, scm, sys_platform), info in \ sys_versions.items(): sys.version = version_tag if scm is None: if hasattr(sys, "_git"): del sys._git else: sys._git = scm if sys_platform is not None: sys.platform = sys_platform self.assertEqual(platform.python_implementation(), info[0]) self.assertEqual(platform.python_version(), info[1]) self.assertEqual(platform.python_branch(), info[2]) self.assertEqual(platform.python_revision(), info[3]) self.assertEqual(platform.python_build(), info[4]) self.assertEqual(platform.python_compiler(), info[5]) def test_system_alias(self): res = platform.system_alias( platform.system(), platform.release(), platform.version(), ) def test_uname(self): res = platform.uname() self.assertTrue(any(res)) self.assertEqual(res[0], res.system) self.assertEqual(res[1], res.node) self.assertEqual(res[2], res.release) self.assertEqual(res[3], res.version) self.assertEqual(res[4], res.machine) self.assertEqual(res[5], res.processor) @unittest.skipUnless(sys.platform.startswith('win'), "windows only test") def test_uname_win32_ARCHITEW6432(self): # Issue 7860: make sure we get architecture from the correct variable # on 64 bit Windows: if PROCESSOR_ARCHITEW6432 exists we should be # using it, per # http://blogs.msdn.com/david.wang/archive/2006/03/26/HOWTO-Detect-Process-Bitness.aspx try: with support.EnvironmentVarGuard() as environ: if 'PROCESSOR_ARCHITEW6432' in environ: del environ['PROCESSOR_ARCHITEW6432'] environ['PROCESSOR_ARCHITECTURE'] = 'foo' platform._uname_cache = None system, node, release, version, machine, processor = platform.uname() self.assertEqual(machine, 'foo') environ['PROCESSOR_ARCHITEW6432'] = 'bar' platform._uname_cache = None system, node, release, version, machine, processor = platform.uname() self.assertEqual(machine, 'bar') finally: platform._uname_cache = None def test_java_ver(self): res = platform.java_ver() if sys.platform == 'java': self.assertTrue(all(res)) def test_win32_ver(self): res = platform.win32_ver() def test_mac_ver(self): res = platform.mac_ver() if platform.uname().system == 'Darwin': # We are on a macOS system, check that the right version # information is returned output = subprocess.check_output(['sw_vers'], text=True) for line in output.splitlines(): if line.startswith('ProductVersion:'): real_ver = line.strip().split()[-1] break else: self.fail(f"failed to parse sw_vers output: {output!r}") result_list = res[0].split('.') expect_list = real_ver.split('.') len_diff = len(result_list) - len(expect_list) # On Snow Leopard, sw_vers reports 10.6.0 as 10.6 if len_diff > 0: expect_list.extend(['0'] * len_diff) self.assertEqual(result_list, expect_list) # res[1] claims to contain # (version, dev_stage, non_release_version) # That information is no longer available self.assertEqual(res[1], ('', '', '')) if sys.byteorder == 'little': self.assertIn(res[2], ('i386', 'x86_64')) else: self.assertEqual(res[2], 'PowerPC') @unittest.skipUnless(sys.platform == 'darwin', "OSX only test") def test_mac_ver_with_fork(self): # Issue7895: platform.mac_ver() crashes when using fork without exec # # This test checks that the fix for that issue works. # pid = os.fork() if pid == 0: # child info = platform.mac_ver() os._exit(0) else: # parent cpid, sts = os.waitpid(pid, 0) self.assertEqual(cpid, pid) self.assertEqual(sts, 0) def test_libc_ver(self): # check that libc_ver(executable) doesn't raise an exception if os.path.isdir(sys.executable) and \ os.path.exists(sys.executable+'.exe'): # Cygwin horror executable = sys.executable + '.exe' else: executable = sys.executable platform.libc_ver(executable) filename = support.TESTFN self.addCleanup(support.unlink, filename) with mock.patch('os.confstr', create=True, return_value='mock 1.0'): # test os.confstr() code path self.assertEqual(platform.libc_ver(), ('mock', '1.0')) # test the different regular expressions for data, expected in ( (b'__libc_init', ('libc', '')), (b'GLIBC_2.9', ('glibc', '2.9')), (b'libc.so.1.2.5', ('libc', '1.2.5')), (b'libc_pthread.so.1.2.5', ('libc', '1.2.5_pthread')), (b'', ('', '')), ): with open(filename, 'wb') as fp: fp.write(b'[xxx%sxxx]' % data) fp.flush() # os.confstr() must not be used if executable is set self.assertEqual(platform.libc_ver(executable=filename), expected) # binary containing multiple versions: get the most recent, # make sure that 1.9 is seen as older than 1.23.4 chunksize = 16384 with open(filename, 'wb') as f: # test match at chunk boundary f.write(b'x'*(chunksize - 10)) f.write(b'GLIBC_1.23.4\0GLIBC_1.9\0GLIBC_1.21\0') self.assertEqual(platform.libc_ver(filename, chunksize=chunksize), ('glibc', '1.23.4')) @support.cpython_only def test__comparable_version(self): from platform import _comparable_version as V self.assertEqual(V('1.2.3'), V('1.2.3')) self.assertLess(V('1.2.3'), V('1.2.10')) self.assertEqual(V('1.2.3.4'), V('1_2-3+4')) self.assertLess(V('1.2spam'), V('1.2dev')) self.assertLess(V('1.2dev'), V('1.2alpha')) self.assertLess(V('1.2dev'), V('1.2a')) self.assertLess(V('1.2alpha'), V('1.2beta')) self.assertLess(V('1.2a'), V('1.2b')) self.assertLess(V('1.2beta'), V('1.2c')) self.assertLess(V('1.2b'), V('1.2c')) self.assertLess(V('1.2c'), V('1.2RC')) self.assertLess(V('1.2c'), V('1.2rc')) self.assertLess(V('1.2RC'), V('1.2.0')) self.assertLess(V('1.2rc'), V('1.2.0')) self.assertLess(V('1.2.0'), V('1.2pl')) self.assertLess(V('1.2.0'), V('1.2p')) self.assertLess(V('1.5.1'), V('1.5.2b2')) self.assertLess(V('3.10a'), V('161')) self.assertEqual(V('8.02'), V('8.02')) self.assertLess(V('3.4j'), V('1996.07.12')) self.assertLess(V('3.1.1.6'), V('3.2.pl0')) self.assertLess(V('2g6'), V('11g')) self.assertLess(V('0.9'), V('2.2')) self.assertLess(V('1.2'), V('1.2.1')) self.assertLess(V('1.1'), V('1.2.2')) self.assertLess(V('1.1'), V('1.2')) self.assertLess(V('1.2.1'), V('1.2.2')) self.assertLess(V('1.2'), V('1.2.2')) self.assertLess(V('0.4'), V('0.4.0')) self.assertLess(V('1.13++'), V('5.5.kw')) self.assertLess(V('0.960923'), V('2.2beta29')) def test_macos(self): self.addCleanup(self.clear_caches) uname = ('Darwin', 'hostname', '17.7.0', ('Darwin Kernel Version 17.7.0: ' 'Thu Jun 21 22:53:14 PDT 2018; ' 'root:xnu-4570.71.2~1/RELEASE_X86_64'), 'x86_64', 'i386') arch = ('64bit', '') with mock.patch.object(platform, 'uname', return_value=uname), \ mock.patch.object(platform, 'architecture', return_value=arch): for mac_ver, expected_terse, expected in [ # darwin: mac_ver() returns empty strings (('', '', ''), 'Darwin-17.7.0', 'Darwin-17.7.0-x86_64-i386-64bit'), # macOS: mac_ver() returns macOS version (('10.13.6', ('', '', ''), 'x86_64'), 'macOS-10.13.6', 'macOS-10.13.6-x86_64-i386-64bit'), ]: with mock.patch.object(platform, 'mac_ver', return_value=mac_ver): self.clear_caches() self.assertEqual(platform.platform(terse=1), expected_terse) self.assertEqual(platform.platform(), expected) if __name__ == '__main__': unittest.main()