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Þ'¯°ÌME[YéïĵÂCå½ Ué©Áû'Ê9%eÔðNU”ë‘ÌsD3/®+UI˜9h.WC”빓$#:pz:YÓ ¿xž* ³$Í +$kñAŠ‹†¢ Uê>¸)_š¬÷©ßAÂÔb9ÇU ¯¾á•9¯ÏÏ÷O÷¼¼Fähal1‰3Ì[Ïr•´UCksNÐ] R‘¸¥H+§Šé†c©vÖÞ0iÓ76s†î!§=ß ¼~Ô'°Ãmäoäš³ªøi1úÉ)³yV8 CLÄØÁ‘WYïi€H6ÖÑiámø^ÈY´°Ñ7¥Û*—Ñ©L«Qƒï—Ùrÿ ›£Ð*š¸ˆL©ˆ$ˆ ÷¾D§9È®«qbqC)–ˆïv´çñsÑVT­Ø, <àïºÀO«Jý·õ àfPìð .wFšir´þ’2_Y *Æ€x\« ì€9š@ Ž|F⇥ˆkZ@hÖÄ0t¿-<“‹qµ¾*ZL¤Ú)&BJpÓF5=$„at*Zš$’ÑtdûÝRI1 2Ž‰$€$I$#‰SÞ’Hë¬ï;Á$¡t$’`<(ñÇt)$‡Ð.Êf¢X’Kt=Éé$‚ˆªè¢oÝëòI%Rgcª÷ŠyI%¡‰ÿ !ñ)´õ $¤ Ô’IIGÿÙfrom . import util as test_util init = test_util.import_importlib('importlib') util = test_util.import_importlib('importlib.util') machinery = test_util.import_importlib('importlib.machinery') import os.path import sys from test import support import types import unittest import warnings class ImportModuleTests: """Test importlib.import_module.""" def test_module_import(self): # Test importing a top-level module. with test_util.mock_modules('top_level') as mock: with test_util.import_state(meta_path=[mock]): module = self.init.import_module('top_level') self.assertEqual(module.__name__, 'top_level') def test_absolute_package_import(self): # Test importing a module from a package with an absolute name. pkg_name = 'pkg' pkg_long_name = '{0}.__init__'.format(pkg_name) name = '{0}.mod'.format(pkg_name) with test_util.mock_modules(pkg_long_name, name) as mock: with test_util.import_state(meta_path=[mock]): module = self.init.import_module(name) self.assertEqual(module.__name__, name) def test_shallow_relative_package_import(self): # Test importing a module from a package through a relative import. pkg_name = 'pkg' pkg_long_name = '{0}.__init__'.format(pkg_name) module_name = 'mod' absolute_name = '{0}.{1}'.format(pkg_name, module_name) relative_name = '.{0}'.format(module_name) with test_util.mock_modules(pkg_long_name, absolute_name) as mock: with test_util.import_state(meta_path=[mock]): self.init.import_module(pkg_name) module = self.init.import_module(relative_name, pkg_name) self.assertEqual(module.__name__, absolute_name) def test_deep_relative_package_import(self): modules = ['a.__init__', 'a.b.__init__', 'a.c'] with test_util.mock_modules(*modules) as mock: with test_util.import_state(meta_path=[mock]): self.init.import_module('a') self.init.import_module('a.b') module = self.init.import_module('..c', 'a.b') self.assertEqual(module.__name__, 'a.c') def test_absolute_import_with_package(self): # Test importing a module from a package with an absolute name with # the 'package' argument given. pkg_name = 'pkg' pkg_long_name = '{0}.__init__'.format(pkg_name) name = '{0}.mod'.format(pkg_name) with test_util.mock_modules(pkg_long_name, name) as mock: with test_util.import_state(meta_path=[mock]): self.init.import_module(pkg_name) module = self.init.import_module(name, pkg_name) self.assertEqual(module.__name__, name) def test_relative_import_wo_package(self): # Relative imports cannot happen without the 'package' argument being # set. with self.assertRaises(TypeError): self.init.import_module('.support') def test_loaded_once(self): # Issue #13591: Modules should only be loaded once when # initializing the parent package attempts to import the # module currently being imported. b_load_count = 0 def load_a(): self.init.import_module('a.b') def load_b(): nonlocal b_load_count b_load_count += 1 code = {'a': load_a, 'a.b': load_b} modules = ['a.__init__', 'a.b'] with test_util.mock_modules(*modules, module_code=code) as mock: with test_util.import_state(meta_path=[mock]): self.init.import_module('a.b') self.assertEqual(b_load_count, 1) (Frozen_ImportModuleTests, Source_ImportModuleTests ) = test_util.test_both(ImportModuleTests, init=init) class FindLoaderTests: FakeMetaFinder = None def test_sys_modules(self): # If a module with __loader__ is in sys.modules, then return it. name = 'some_mod' with test_util.uncache(name): module = types.ModuleType(name) loader = 'a loader!' module.__loader__ = loader sys.modules[name] = module with warnings.catch_warnings(): warnings.simplefilter('ignore', DeprecationWarning) found = self.init.find_loader(name) self.assertEqual(loader, found) def test_sys_modules_loader_is_None(self): # If sys.modules[name].__loader__ is None, raise ValueError. name = 'some_mod' with test_util.uncache(name): module = types.ModuleType(name) module.__loader__ = None sys.modules[name] = module with self.assertRaises(ValueError): with warnings.catch_warnings(): warnings.simplefilter('ignore', DeprecationWarning) self.init.find_loader(name) def test_sys_modules_loader_is_not_set(self): # Should raise ValueError # Issue #17099 name = 'some_mod' with test_util.uncache(name): module = types.ModuleType(name) try: del module.__loader__ except AttributeError: pass sys.modules[name] = module with self.assertRaises(ValueError): with warnings.catch_warnings(): warnings.simplefilter('ignore', DeprecationWarning) self.init.find_loader(name) def test_success(self): # Return the loader found on sys.meta_path. name = 'some_mod' with test_util.uncache(name): with test_util.import_state(meta_path=[self.FakeMetaFinder]): with warnings.catch_warnings(): warnings.simplefilter('ignore', DeprecationWarning) self.assertEqual((name, None), self.init.find_loader(name)) def test_success_path(self): # Searching on a path should work. name = 'some_mod' path = 'path to some place' with test_util.uncache(name): with test_util.import_state(meta_path=[self.FakeMetaFinder]): with warnings.catch_warnings(): warnings.simplefilter('ignore', DeprecationWarning) self.assertEqual((name, path), self.init.find_loader(name, path)) def test_nothing(self): # None is returned upon failure to find a loader. with warnings.catch_warnings(): warnings.simplefilter('ignore', DeprecationWarning) self.assertIsNone(self.init.find_loader('nevergoingtofindthismodule')) class FindLoaderPEP451Tests(FindLoaderTests): class FakeMetaFinder: @staticmethod def find_spec(name, path=None, target=None): return machinery['Source'].ModuleSpec(name, (name, path)) (Frozen_FindLoaderPEP451Tests, Source_FindLoaderPEP451Tests ) = test_util.test_both(FindLoaderPEP451Tests, init=init) class FindLoaderPEP302Tests(FindLoaderTests): class FakeMetaFinder: @staticmethod def find_module(name, path=None): return name, path (Frozen_FindLoaderPEP302Tests, Source_FindLoaderPEP302Tests ) = test_util.test_both(FindLoaderPEP302Tests, init=init) class ReloadTests: def test_reload_modules(self): for mod in ('tokenize', 'time', 'marshal'): with self.subTest(module=mod): with support.CleanImport(mod): module = self.init.import_module(mod) self.init.reload(module) def test_module_replaced(self): def code(): import sys module = type(sys)('top_level') module.spam = 3 sys.modules['top_level'] = module mock = test_util.mock_modules('top_level', module_code={'top_level': code}) with mock: with test_util.import_state(meta_path=[mock]): module = self.init.import_module('top_level') reloaded = self.init.reload(module) actual = sys.modules['top_level'] self.assertEqual(actual.spam, 3) self.assertEqual(reloaded.spam, 3) def test_reload_missing_loader(self): with support.CleanImport('types'): import types loader = types.__loader__ del types.__loader__ reloaded = self.init.reload(types) self.assertIs(reloaded, types) self.assertIs(sys.modules['types'], types) self.assertEqual(reloaded.__loader__.path, loader.path) def test_reload_loader_replaced(self): with support.CleanImport('types'): import types types.__loader__ = None self.init.invalidate_caches() reloaded = self.init.reload(types) self.assertIsNot(reloaded.__loader__, None) self.assertIs(reloaded, types) self.assertIs(sys.modules['types'], types) def test_reload_location_changed(self): name = 'spam' with support.temp_cwd(None) as cwd: with test_util.uncache('spam'): with support.DirsOnSysPath(cwd): # Start as a plain module. self.init.invalidate_caches() path = os.path.join(cwd, name + '.py') cached = self.util.cache_from_source(path) expected = {'__name__': name, '__package__': '', '__file__': path, '__cached__': cached, '__doc__': None, } support.create_empty_file(path) module = self.init.import_module(name) ns = vars(module).copy() loader = ns.pop('__loader__') spec = ns.pop('__spec__') ns.pop('__builtins__', None) # An implementation detail. self.assertEqual(spec.name, name) self.assertEqual(spec.loader, loader) self.assertEqual(loader.path, path) self.assertEqual(ns, expected) # Change to a package. self.init.invalidate_caches() init_path = os.path.join(cwd, name, '__init__.py') cached = self.util.cache_from_source(init_path) expected = {'__name__': name, '__package__': name, '__file__': init_path, '__cached__': cached, '__path__': [os.path.dirname(init_path)], '__doc__': None, } os.mkdir(name) os.rename(path, init_path) reloaded = self.init.reload(module) ns = vars(reloaded).copy() loader = ns.pop('__loader__') spec = ns.pop('__spec__') ns.pop('__builtins__', None) # An implementation detail. self.assertEqual(spec.name, name) self.assertEqual(spec.loader, loader) self.assertIs(reloaded, module) self.assertEqual(loader.path, init_path) self.maxDiff = None self.assertEqual(ns, expected) def test_reload_namespace_changed(self): name = 'spam' with support.temp_cwd(None) as cwd: with test_util.uncache('spam'): with support.DirsOnSysPath(cwd): # Start as a namespace package. self.init.invalidate_caches() bad_path = os.path.join(cwd, name, '__init.py') cached = self.util.cache_from_source(bad_path) expected = {'__name__': name, '__package__': name, '__doc__': None, '__file__': None, } os.mkdir(name) with open(bad_path, 'w') as init_file: init_file.write('eggs = None') module = self.init.import_module(name) ns = vars(module).copy() loader = ns.pop('__loader__') path = ns.pop('__path__') spec = ns.pop('__spec__') ns.pop('__builtins__', None) # An implementation detail. self.assertEqual(spec.name, name) self.assertIsNotNone(spec.loader) self.assertIsNotNone(loader) self.assertEqual(spec.loader, loader) self.assertEqual(set(path), set([os.path.dirname(bad_path)])) with self.assertRaises(AttributeError): # a NamespaceLoader loader.path self.assertEqual(ns, expected) # Change to a regular package. self.init.invalidate_caches() init_path = os.path.join(cwd, name, '__init__.py') cached = self.util.cache_from_source(init_path) expected = {'__name__': name, '__package__': name, '__file__': init_path, '__cached__': cached, '__path__': [os.path.dirname(init_path)], '__doc__': None, 'eggs': None, } os.rename(bad_path, init_path) reloaded = self.init.reload(module) ns = vars(reloaded).copy() loader = ns.pop('__loader__') spec = ns.pop('__spec__') ns.pop('__builtins__', None) # An implementation detail. self.assertEqual(spec.name, name) self.assertEqual(spec.loader, loader) self.assertIs(reloaded, module) self.assertEqual(loader.path, init_path) self.assertEqual(ns, expected) def test_reload_submodule(self): # See #19851. name = 'spam' subname = 'ham' with test_util.temp_module(name, pkg=True) as pkg_dir: fullname, _ = test_util.submodule(name, subname, pkg_dir) ham = self.init.import_module(fullname) reloaded = self.init.reload(ham) self.assertIs(reloaded, ham) def test_module_missing_spec(self): #Test that reload() throws ModuleNotFounderror when reloading # a module whose missing a spec. (bpo-29851) name = 'spam' with test_util.uncache(name): module = sys.modules[name] = types.ModuleType(name) # Sanity check by attempting an import. module = self.init.import_module(name) self.assertIsNone(module.__spec__) with self.assertRaises(ModuleNotFoundError): self.init.reload(module) (Frozen_ReloadTests, Source_ReloadTests ) = test_util.test_both(ReloadTests, init=init, util=util) class InvalidateCacheTests: def test_method_called(self): # If defined the method should be called. class InvalidatingNullFinder: def __init__(self, *ignored): self.called = False def find_module(self, *args): return None def invalidate_caches(self): self.called = True key = 'gobledeegook' meta_ins = InvalidatingNullFinder() path_ins = InvalidatingNullFinder() sys.meta_path.insert(0, meta_ins) self.addCleanup(lambda: sys.path_importer_cache.__delitem__(key)) sys.path_importer_cache[key] = path_ins self.addCleanup(lambda: sys.meta_path.remove(meta_ins)) self.init.invalidate_caches() self.assertTrue(meta_ins.called) self.assertTrue(path_ins.called) def test_method_lacking(self): # There should be no issues if the method is not defined. key = 'gobbledeegook' sys.path_importer_cache[key] = None self.addCleanup(lambda: sys.path_importer_cache.pop(key, None)) self.init.invalidate_caches() # Shouldn't trigger an exception. (Frozen_InvalidateCacheTests, Source_InvalidateCacheTests ) = test_util.test_both(InvalidateCacheTests, init=init) class FrozenImportlibTests(unittest.TestCase): def test_no_frozen_importlib(self): # Should be able to import w/o _frozen_importlib being defined. # Can't do an isinstance() check since separate copies of importlib # may have been used for import, so just check the name is not for the # frozen loader. source_init = init['Source'] self.assertNotEqual(source_init.__loader__.__class__.__name__, 'FrozenImporter') class StartupTests: def test_everyone_has___loader__(self): # Issue #17098: all modules should have __loader__ defined. for name, module in sys.modules.items(): if isinstance(module, types.ModuleType): with self.subTest(name=name): self.assertTrue(hasattr(module, '__loader__'), '{!r} lacks a __loader__ attribute'.format(name)) if self.machinery.BuiltinImporter.find_module(name): self.assertIsNot(module.__loader__, None) elif self.machinery.FrozenImporter.find_module(name): self.assertIsNot(module.__loader__, None) def test_everyone_has___spec__(self): for name, module in sys.modules.items(): if isinstance(module, types.ModuleType): with self.subTest(name=name): self.assertTrue(hasattr(module, '__spec__')) if self.machinery.BuiltinImporter.find_module(name): self.assertIsNot(module.__spec__, None) elif self.machinery.FrozenImporter.find_module(name): self.assertIsNot(module.__spec__, None) (Frozen_StartupTests, Source_StartupTests ) = test_util.test_both(StartupTests, machinery=machinery) if __name__ == '__main__': unittest.main()