from test.test_importlib import util as test_util machinery = test_util.import_importlib('importlib.machinery') import os import re import sys import unittest import warnings from test.support import import_helper from contextlib import contextmanager from test.test_importlib.util import temp_module import_helper.import_module('winreg', required_on=['win']) from winreg import ( CreateKey, HKEY_CURRENT_USER, SetValue, REG_SZ, KEY_ALL_ACCESS, EnumKey, CloseKey, DeleteKey, OpenKey ) def get_platform(): # Port of distutils.util.get_platform(). TARGET_TO_PLAT = { 'x86' : 'win32', 'x64' : 'win-amd64', 'arm' : 'win-arm32', } if ('VSCMD_ARG_TGT_ARCH' in os.environ and os.environ['VSCMD_ARG_TGT_ARCH'] in TARGET_TO_PLAT): return TARGET_TO_PLAT[os.environ['VSCMD_ARG_TGT_ARCH']] elif 'amd64' in sys.version.lower(): return 'win-amd64' elif '(arm)' in sys.version.lower(): return 'win-arm32' elif '(arm64)' in sys.version.lower(): return 'win-arm64' else: return sys.platform def delete_registry_tree(root, subkey): try: hkey = OpenKey(root, subkey, access=KEY_ALL_ACCESS) except OSError: # subkey does not exist return while True: try: subsubkey = EnumKey(hkey, 0) except OSError: # no more subkeys break delete_registry_tree(hkey, subsubkey) CloseKey(hkey) DeleteKey(root, subkey) @contextmanager def setup_module(machinery, name, path=None): if machinery.WindowsRegistryFinder.DEBUG_BUILD: root = machinery.WindowsRegistryFinder.REGISTRY_KEY_DEBUG else: root = machinery.WindowsRegistryFinder.REGISTRY_KEY key = root.format(fullname=name, sys_version='%d.%d' % sys.version_info[:2]) base_key = "Software\\Python\\PythonCore\\{}.{}".format( sys.version_info.major, sys.version_info.minor) assert key.casefold().startswith(base_key.casefold()), ( "expected key '{}' to start with '{}'".format(key, base_key)) try: with temp_module(name, "a = 1") as location: try: OpenKey(HKEY_CURRENT_USER, base_key) if machinery.WindowsRegistryFinder.DEBUG_BUILD: delete_key = os.path.dirname(key) else: delete_key = key except OSError: delete_key = base_key subkey = CreateKey(HKEY_CURRENT_USER, key) if path is None: path = location + ".py" SetValue(subkey, "", REG_SZ, path) yield finally: if delete_key: delete_registry_tree(HKEY_CURRENT_USER, delete_key) @unittest.skipUnless(sys.platform.startswith('win'), 'requires Windows') class WindowsRegistryFinderTests: # The module name is process-specific, allowing for # simultaneous runs of the same test on a single machine. test_module = "spamham{}".format(os.getpid()) def test_find_spec_missing(self): spec = self.machinery.WindowsRegistryFinder.find_spec('spam') self.assertIs(spec, None) def test_find_module_missing(self): with warnings.catch_warnings(): warnings.simplefilter("ignore", DeprecationWarning) loader = self.machinery.WindowsRegistryFinder.find_module('spam') self.assertIs(loader, None) def test_module_found(self): with setup_module(self.machinery, self.test_module): with warnings.catch_warnings(): warnings.simplefilter("ignore", DeprecationWarning) loader = self.machinery.WindowsRegistryFinder.find_module(self.test_module) spec = self.machinery.WindowsRegistryFinder.find_spec(self.test_module) self.assertIsNot(loader, None) self.assertIsNot(spec, None) def test_module_not_found(self): with setup_module(self.machinery, self.test_module, path="."): with warnings.catch_warnings(): warnings.simplefilter("ignore", DeprecationWarning) loader = self.machinery.WindowsRegistryFinder.find_module(self.test_module) spec = self.machinery.WindowsRegistryFinder.find_spec(self.test_module) self.assertIsNone(loader) self.assertIsNone(spec) (Frozen_WindowsRegistryFinderTests, Source_WindowsRegistryFinderTests ) = test_util.test_both(WindowsRegistryFinderTests, machinery=machinery) @unittest.skipUnless(sys.platform.startswith('win'), 'requires Windows') class WindowsExtensionSuffixTests: def test_tagged_suffix(self): suffixes = self.machinery.EXTENSION_SUFFIXES expected_tag = ".cp{0.major}{0.minor}-{1}.pyd".format(sys.version_info, re.sub('[^a-zA-Z0-9]', '_', get_platform())) try: untagged_i = suffixes.index(".pyd") except ValueError: untagged_i = suffixes.index("_d.pyd") expected_tag = "_d" + expected_tag self.assertIn(expected_tag, suffixes) # Ensure the tags are in the correct order. tagged_i = suffixes.index(expected_tag) self.assertLess(tagged_i, untagged_i) (Frozen_WindowsExtensionSuffixTests, Source_WindowsExtensionSuffixTests ) = test_util.test_both(WindowsExtensionSuffixTests, machinery=machinery) @unittest.skipUnless(sys.platform.startswith('win'), 'requires Windows') class WindowsBootstrapPathTests(unittest.TestCase): def check_join(self, expected, *inputs): from importlib._bootstrap_external import _path_join actual = _path_join(*inputs) if expected.casefold() == actual.casefold(): return self.assertEqual(expected, actual) def test_path_join(self): self.check_join(r"C:\A\B", "C:\\", "A", "B") self.check_join(r"C:\A\B", "D:\\", "D", "C:\\", "A", "B") self.check_join(r"C:\A\B", "C:\\", "A", "C:B") self.check_join(r"C:\A\B", "C:\\", "A\\B") self.check_join(r"C:\A\B", r"C:\A\B") self.check_join("D:A", r"D:", "A") self.check_join("D:A", r"C:\B\C", "D:", "A") self.check_join("D:A", r"C:\B\C", r"D:A") self.check_join(r"A\B\C", "A", "B", "C") self.check_join(r"A\B\C", "A", r"B\C") self.check_join(r"A\B/C", "A", "B/C") self.check_join(r"A\B\C", "A/", "B\\", "C") # Dots are not normalised by this function self.check_join(r"A\../C", "A", "../C") self.check_join(r"A.\.\B", "A.", ".", "B") self.check_join(r"\\Server\Share\A\B\C", r"\\Server\Share", "A", "B", "C") self.check_join(r"\\Server\Share\A\B\C", r"\\Server\Share", "D", r"\A", "B", "C") self.check_join(r"\\Server\Share\A\B\C", r"\\Server2\Share2", "D", r"\\Server\Share", "A", "B", "C") self.check_join(r"\\Server\Share\A\B\C", r"\\Server", r"\Share", "A", "B", "C") self.check_join(r"\\Server\Share", r"\\Server\Share") self.check_join(r"\\Server\Share\\", r"\\Server\Share\\") # Handle edge cases with empty segments self.check_join("C:\\A", "C:/A", "") self.check_join("C:\\", "C:/", "") self.check_join("C:", "C:", "") self.check_join("//Server/Share\\", "//Server/Share/", "") self.check_join("//Server/Share\\", "//Server/Share", "") if __name__ == '__main__': unittest.main() SIMPAN PERUBAHAN