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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 pathlib import Path from test.support import unload, check_warnings, CleanImport import unittest import sys import importlib from importlib.util import spec_from_file_location import pkgutil import os import os.path import tempfile import shutil import zipfile # Note: pkgutil.walk_packages is currently tested in test_runpy. This is # a hack to get a major issue resolved for 3.3b2. Longer term, it should # be moved back here, perhaps by factoring out the helper code for # creating interesting package layouts to a separate module. # Issue #15348 declares this is indeed a dodgy hack ;) class PkgutilTests(unittest.TestCase): def setUp(self): self.dirname = tempfile.mkdtemp() self.addCleanup(shutil.rmtree, self.dirname) sys.path.insert(0, self.dirname) def tearDown(self): del sys.path[0] def test_getdata_filesys(self): pkg = 'test_getdata_filesys' # Include a LF and a CRLF, to test that binary data is read back RESOURCE_DATA = b'Hello, world!\nSecond line\r\nThird line' # Make a package with some resources package_dir = os.path.join(self.dirname, pkg) os.mkdir(package_dir) # Empty init.py f = open(os.path.join(package_dir, '__init__.py'), "wb") f.close() # Resource files, res.txt, sub/res.txt f = open(os.path.join(package_dir, 'res.txt'), "wb") f.write(RESOURCE_DATA) f.close() os.mkdir(os.path.join(package_dir, 'sub')) f = open(os.path.join(package_dir, 'sub', 'res.txt'), "wb") f.write(RESOURCE_DATA) f.close() # Check we can read the resources res1 = pkgutil.get_data(pkg, 'res.txt') self.assertEqual(res1, RESOURCE_DATA) res2 = pkgutil.get_data(pkg, 'sub/res.txt') self.assertEqual(res2, RESOURCE_DATA) del sys.modules[pkg] def test_getdata_zipfile(self): zip = 'test_getdata_zipfile.zip' pkg = 'test_getdata_zipfile' # Include a LF and a CRLF, to test that binary data is read back RESOURCE_DATA = b'Hello, world!\nSecond line\r\nThird line' # Make a package with some resources zip_file = os.path.join(self.dirname, zip) z = zipfile.ZipFile(zip_file, 'w') # Empty init.py z.writestr(pkg + '/__init__.py', "") # Resource files, res.txt, sub/res.txt z.writestr(pkg + '/res.txt', RESOURCE_DATA) z.writestr(pkg + '/sub/res.txt', RESOURCE_DATA) z.close() # Check we can read the resources sys.path.insert(0, zip_file) res1 = pkgutil.get_data(pkg, 'res.txt') self.assertEqual(res1, RESOURCE_DATA) res2 = pkgutil.get_data(pkg, 'sub/res.txt') self.assertEqual(res2, RESOURCE_DATA) names = [] for moduleinfo in pkgutil.iter_modules([zip_file]): self.assertIsInstance(moduleinfo, pkgutil.ModuleInfo) names.append(moduleinfo.name) self.assertEqual(names, ['test_getdata_zipfile']) del sys.path[0] del sys.modules[pkg] def test_issue44061_iter_modules(self): #see: issue44061 zip = 'test_getdata_zipfile.zip' pkg = 'test_getdata_zipfile' # Include a LF and a CRLF, to test that binary data is read back RESOURCE_DATA = b'Hello, world!\nSecond line\r\nThird line' # Make a package with some resources zip_file = os.path.join(self.dirname, zip) z = zipfile.ZipFile(zip_file, 'w') # Empty init.py z.writestr(pkg + '/__init__.py', "") # Resource files, res.txt z.writestr(pkg + '/res.txt', RESOURCE_DATA) z.close() # Check we can read the resources sys.path.insert(0, zip_file) try: res = pkgutil.get_data(pkg, 'res.txt') self.assertEqual(res, RESOURCE_DATA) # make sure iter_modules accepts Path objects names = [] for moduleinfo in pkgutil.iter_modules([Path(zip_file)]): self.assertIsInstance(moduleinfo, pkgutil.ModuleInfo) names.append(moduleinfo.name) self.assertEqual(names, [pkg]) finally: del sys.path[0] sys.modules.pop(pkg, None) # assert path must be None or list of paths expected_msg = "path must be None or list of paths to look for modules in" with self.assertRaisesRegex(ValueError, expected_msg): list(pkgutil.iter_modules("invalid_path")) def test_unreadable_dir_on_syspath(self): # issue7367 - walk_packages failed if unreadable dir on sys.path package_name = "unreadable_package" d = os.path.join(self.dirname, package_name) # this does not appear to create an unreadable dir on Windows # but the test should not fail anyway os.mkdir(d, 0) self.addCleanup(os.rmdir, d) for t in pkgutil.walk_packages(path=[self.dirname]): self.fail("unexpected package found") def test_walkpackages_filesys(self): pkg1 = 'test_walkpackages_filesys' pkg1_dir = os.path.join(self.dirname, pkg1) os.mkdir(pkg1_dir) f = open(os.path.join(pkg1_dir, '__init__.py'), "wb") f.close() os.mkdir(os.path.join(pkg1_dir, 'sub')) f = open(os.path.join(pkg1_dir, 'sub', '__init__.py'), "wb") f.close() f = open(os.path.join(pkg1_dir, 'sub', 'mod.py'), "wb") f.close() # Now, to juice it up, let's add the opposite packages, too. pkg2 = 'sub' pkg2_dir = os.path.join(self.dirname, pkg2) os.mkdir(pkg2_dir) f = open(os.path.join(pkg2_dir, '__init__.py'), "wb") f.close() os.mkdir(os.path.join(pkg2_dir, 'test_walkpackages_filesys')) f = open(os.path.join(pkg2_dir, 'test_walkpackages_filesys', '__init__.py'), "wb") f.close() f = open(os.path.join(pkg2_dir, 'test_walkpackages_filesys', 'mod.py'), "wb") f.close() expected = [ 'sub', 'sub.test_walkpackages_filesys', 'sub.test_walkpackages_filesys.mod', 'test_walkpackages_filesys', 'test_walkpackages_filesys.sub', 'test_walkpackages_filesys.sub.mod', ] actual= [e[1] for e in pkgutil.walk_packages([self.dirname])] self.assertEqual(actual, expected) for pkg in expected: if pkg.endswith('mod'): continue del sys.modules[pkg] def test_walkpackages_zipfile(self): """Tests the same as test_walkpackages_filesys, only with a zip file.""" zip = 'test_walkpackages_zipfile.zip' pkg1 = 'test_walkpackages_zipfile' pkg2 = 'sub' zip_file = os.path.join(self.dirname, zip) z = zipfile.ZipFile(zip_file, 'w') z.writestr(pkg2 + '/__init__.py', "") z.writestr(pkg2 + '/' + pkg1 + '/__init__.py', "") z.writestr(pkg2 + '/' + pkg1 + '/mod.py', "") z.writestr(pkg1 + '/__init__.py', "") z.writestr(pkg1 + '/' + pkg2 + '/__init__.py', "") z.writestr(pkg1 + '/' + pkg2 + '/mod.py', "") z.close() sys.path.insert(0, zip_file) expected = [ 'sub', 'sub.test_walkpackages_zipfile', 'sub.test_walkpackages_zipfile.mod', 'test_walkpackages_zipfile', 'test_walkpackages_zipfile.sub', 'test_walkpackages_zipfile.sub.mod', ] actual= [e[1] for e in pkgutil.walk_packages([zip_file])] self.assertEqual(actual, expected) del sys.path[0] for pkg in expected: if pkg.endswith('mod'): continue del sys.modules[pkg] def test_walk_packages_raises_on_string_or_bytes_input(self): str_input = 'test_dir' with self.assertRaises((TypeError, ValueError)): list(pkgutil.walk_packages(str_input)) bytes_input = b'test_dir' with self.assertRaises((TypeError, ValueError)): list(pkgutil.walk_packages(bytes_input)) def test_name_resolution(self): import logging import logging.handlers success_cases = ( ('os', os), ('os.path', os.path), ('os.path:pathsep', os.path.pathsep), ('logging', logging), ('logging:', logging), ('logging.handlers', logging.handlers), ('logging.handlers:', logging.handlers), ('logging.handlers:SysLogHandler', logging.handlers.SysLogHandler), ('logging.handlers.SysLogHandler', logging.handlers.SysLogHandler), ('logging.handlers:SysLogHandler.LOG_ALERT', logging.handlers.SysLogHandler.LOG_ALERT), ('logging.handlers.SysLogHandler.LOG_ALERT', logging.handlers.SysLogHandler.LOG_ALERT), ('builtins.int', int), ('builtins:int', int), ('builtins.int.from_bytes', int.from_bytes), ('builtins:int.from_bytes', int.from_bytes), ('builtins.ZeroDivisionError', ZeroDivisionError), ('builtins:ZeroDivisionError', ZeroDivisionError), ('os:path', os.path), ) failure_cases = ( (None, TypeError), (1, TypeError), (2.0, TypeError), (True, TypeError), ('', ValueError), ('?abc', ValueError), ('abc/foo', ValueError), ('foo', ImportError), ('os.foo', AttributeError), ('os.foo:', ImportError), ('os.pth:pathsep', ImportError), ('logging.handlers:NoSuchHandler', AttributeError), ('logging.handlers:SysLogHandler.NO_SUCH_VALUE', AttributeError), ('logging.handlers.SysLogHandler.NO_SUCH_VALUE', AttributeError), ('ZeroDivisionError', ImportError), ('os.path.9abc', ValueError), ('9abc', ValueError), ) # add some Unicode package names to the mix. unicode_words = ('\u0935\u092e\u0938', '\xe9', '\xc8', '\uc548\ub155\ud558\uc138\uc694', '\u3055\u3088\u306a\u3089', '\u3042\u308a\u304c\u3068\u3046', '\u0425\u043e\u0440\u043e\u0448\u043e', '\u0441\u043f\u0430\u0441\u0438\u0431\u043e', '\u73b0\u4ee3\u6c49\u8bed\u5e38\u7528\u5b57\u8868') for uw in unicode_words: d = os.path.join(self.dirname, uw) try: os.makedirs(d, exist_ok=True) except UnicodeEncodeError: # When filesystem encoding cannot encode uw: skip this test continue # make an empty __init__.py file f = os.path.join(d, '__init__.py') with open(f, 'w') as f: f.write('') f.flush() # now import the package we just created; clearing the caches is # needed, otherwise the newly created package isn't found importlib.invalidate_caches() mod = importlib.import_module(uw) success_cases += (uw, mod), if len(uw) > 1: failure_cases += (uw[:-1], ImportError), # add an example with a Unicode digit at the start failure_cases += ('\u0966\u0935\u092e\u0938', ValueError), for s, expected in success_cases: with self.subTest(s=s): o = pkgutil.resolve_name(s) self.assertEqual(o, expected) for s, exc in failure_cases: with self.subTest(s=s): with self.assertRaises(exc): pkgutil.resolve_name(s) class PkgutilPEP302Tests(unittest.TestCase): class MyTestLoader(object): def create_module(self, spec): return None def exec_module(self, mod): # Count how many times the module is reloaded mod.__dict__['loads'] = mod.__dict__.get('loads', 0) + 1 def get_data(self, path): return "Hello, world!" class MyTestImporter(object): def find_spec(self, fullname, path=None, target=None): loader = PkgutilPEP302Tests.MyTestLoader() return spec_from_file_location(fullname, '<%s>' % loader.__class__.__name__, loader=loader, submodule_search_locations=[]) def setUp(self): sys.meta_path.insert(0, self.MyTestImporter()) def tearDown(self): del sys.meta_path[0] def test_getdata_pep302(self): # Use a dummy finder/loader self.assertEqual(pkgutil.get_data('foo', 'dummy'), "Hello, world!") del sys.modules['foo'] def test_alreadyloaded(self): # Ensure that get_data works without reloading - the "loads" module # variable in the example loader should count how many times a reload # occurs. import foo self.assertEqual(foo.loads, 1) self.assertEqual(pkgutil.get_data('foo', 'dummy'), "Hello, world!") self.assertEqual(foo.loads, 1) del sys.modules['foo'] # These tests, especially the setup and cleanup, are hideous. They # need to be cleaned up once issue 14715 is addressed. class ExtendPathTests(unittest.TestCase): def create_init(self, pkgname): dirname = tempfile.mkdtemp() sys.path.insert(0, dirname) pkgdir = os.path.join(dirname, pkgname) os.mkdir(pkgdir) with open(os.path.join(pkgdir, '__init__.py'), 'w') as fl: fl.write('from pkgutil import extend_path\n__path__ = extend_path(__path__, __name__)\n') return dirname def create_submodule(self, dirname, pkgname, submodule_name, value): module_name = os.path.join(dirname, pkgname, submodule_name + '.py') with open(module_name, 'w') as fl: print('value={}'.format(value), file=fl) def test_simple(self): pkgname = 'foo' dirname_0 = self.create_init(pkgname) dirname_1 = self.create_init(pkgname) self.create_submodule(dirname_0, pkgname, 'bar', 0) self.create_submodule(dirname_1, pkgname, 'baz', 1) import foo.bar import foo.baz # Ensure we read the expected values self.assertEqual(foo.bar.value, 0) self.assertEqual(foo.baz.value, 1) # Ensure the path is set up correctly self.assertEqual(sorted(foo.__path__), sorted([os.path.join(dirname_0, pkgname), os.path.join(dirname_1, pkgname)])) # Cleanup shutil.rmtree(dirname_0) shutil.rmtree(dirname_1) del sys.path[0] del sys.path[0] del sys.modules['foo'] del sys.modules['foo.bar'] del sys.modules['foo.baz'] # Another awful testing hack to be cleaned up once the test_runpy # helpers are factored out to a common location def test_iter_importers(self): iter_importers = pkgutil.iter_importers get_importer = pkgutil.get_importer pkgname = 'spam' modname = 'eggs' dirname = self.create_init(pkgname) pathitem = os.path.join(dirname, pkgname) fullname = '{}.{}'.format(pkgname, modname) sys.modules.pop(fullname, None) sys.modules.pop(pkgname, None) try: self.create_submodule(dirname, pkgname, modname, 0) importlib.import_module(fullname) importers = list(iter_importers(fullname)) expected_importer = get_importer(pathitem) for finder in importers: spec = pkgutil._get_spec(finder, fullname) loader = spec.loader try: loader = loader.loader except AttributeError: # For now we still allow raw loaders from # find_module(). pass self.assertIsInstance(finder, importlib.machinery.FileFinder) self.assertEqual(finder, expected_importer) self.assertIsInstance(loader, importlib.machinery.SourceFileLoader) self.assertIsNone(pkgutil._get_spec(finder, pkgname)) with self.assertRaises(ImportError): list(iter_importers('invalid.module')) with self.assertRaises(ImportError): list(iter_importers('.spam')) finally: shutil.rmtree(dirname) del sys.path[0] try: del sys.modules['spam'] del sys.modules['spam.eggs'] except KeyError: pass def test_mixed_namespace(self): pkgname = 'foo' dirname_0 = self.create_init(pkgname) dirname_1 = self.create_init(pkgname) self.create_submodule(dirname_0, pkgname, 'bar', 0) # Turn this into a PEP 420 namespace package os.unlink(os.path.join(dirname_0, pkgname, '__init__.py')) self.create_submodule(dirname_1, pkgname, 'baz', 1) import foo.bar import foo.baz # Ensure we read the expected values self.assertEqual(foo.bar.value, 0) self.assertEqual(foo.baz.value, 1) # Ensure the path is set up correctly self.assertEqual(sorted(foo.__path__), sorted([os.path.join(dirname_0, pkgname), os.path.join(dirname_1, pkgname)])) # Cleanup shutil.rmtree(dirname_0) shutil.rmtree(dirname_1) del sys.path[0] del sys.path[0] del sys.modules['foo'] del sys.modules['foo.bar'] del sys.modules['foo.baz'] # XXX: test .pkg files class NestedNamespacePackageTest(unittest.TestCase): def setUp(self): self.basedir = tempfile.mkdtemp() self.old_path = sys.path[:] def tearDown(self): sys.path[:] = self.old_path shutil.rmtree(self.basedir) def create_module(self, name, contents): base, final = name.rsplit('.', 1) base_path = os.path.join(self.basedir, base.replace('.', os.path.sep)) os.makedirs(base_path, exist_ok=True) with open(os.path.join(base_path, final + ".py"), 'w') as f: f.write(contents) def test_nested(self): pkgutil_boilerplate = ( 'import pkgutil; ' '__path__ = pkgutil.extend_path(__path__, __name__)') self.create_module('a.pkg.__init__', pkgutil_boilerplate) self.create_module('b.pkg.__init__', pkgutil_boilerplate) self.create_module('a.pkg.subpkg.__init__', pkgutil_boilerplate) self.create_module('b.pkg.subpkg.__init__', pkgutil_boilerplate) self.create_module('a.pkg.subpkg.c', 'c = 1') self.create_module('b.pkg.subpkg.d', 'd = 2') sys.path.insert(0, os.path.join(self.basedir, 'a')) sys.path.insert(0, os.path.join(self.basedir, 'b')) import pkg self.addCleanup(unload, 'pkg') self.assertEqual(len(pkg.__path__), 2) import pkg.subpkg self.addCleanup(unload, 'pkg.subpkg') self.assertEqual(len(pkg.subpkg.__path__), 2) from pkg.subpkg.c import c from pkg.subpkg.d import d self.assertEqual(c, 1) self.assertEqual(d, 2) class ImportlibMigrationTests(unittest.TestCase): # With full PEP 302 support in the standard import machinery, the # PEP 302 emulation in this module is in the process of being # deprecated in favour of importlib proper def check_deprecated(self): return check_warnings( ("This emulation is deprecated, use 'importlib' instead", DeprecationWarning)) def test_importer_deprecated(self): with self.check_deprecated(): pkgutil.ImpImporter("") def test_loader_deprecated(self): with self.check_deprecated(): pkgutil.ImpLoader("", "", "", "") def test_get_loader_avoids_emulation(self): with check_warnings() as w: self.assertIsNotNone(pkgutil.get_loader("sys")) self.assertIsNotNone(pkgutil.get_loader("os")) self.assertIsNotNone(pkgutil.get_loader("test.support")) self.assertEqual(len(w.warnings), 0) @unittest.skipIf(__name__ == '__main__', 'not compatible with __main__') def test_get_loader_handles_missing_loader_attribute(self): global __loader__ this_loader = __loader__ del __loader__ try: with check_warnings() as w: self.assertIsNotNone(pkgutil.get_loader(__name__)) self.assertEqual(len(w.warnings), 0) finally: __loader__ = this_loader def test_get_loader_handles_missing_spec_attribute(self): name = 'spam' mod = type(sys)(name) del mod.__spec__ with CleanImport(name): sys.modules[name] = mod loader = pkgutil.get_loader(name) self.assertIsNone(loader) def test_get_loader_handles_spec_attribute_none(self): name = 'spam' mod = type(sys)(name) mod.__spec__ = None with CleanImport(name): sys.modules[name] = mod loader = pkgutil.get_loader(name) self.assertIsNone(loader) def test_get_loader_None_in_sys_modules(self): name = 'totally bogus' sys.modules[name] = None try: loader = pkgutil.get_loader(name) finally: del sys.modules[name] self.assertIsNone(loader) def test_find_loader_missing_module(self): name = 'totally bogus' loader = pkgutil.find_loader(name) self.assertIsNone(loader) def test_find_loader_avoids_emulation(self): with check_warnings() as w: self.assertIsNotNone(pkgutil.find_loader("sys")) self.assertIsNotNone(pkgutil.find_loader("os")) self.assertIsNotNone(pkgutil.find_loader("test.support")) self.assertEqual(len(w.warnings), 0) def test_get_importer_avoids_emulation(self): # We use an illegal path so *none* of the path hooks should fire with check_warnings() as w: self.assertIsNone(pkgutil.get_importer("*??")) self.assertEqual(len(w.warnings), 0) def test_issue44061(self): try: pkgutil.get_importer(Path("/home")) except AttributeError: self.fail("Unexpected AttributeError when calling get_importer") def test_iter_importers_avoids_emulation(self): with check_warnings() as w: for importer in pkgutil.iter_importers(): pass self.assertEqual(len(w.warnings), 0) def tearDownModule(): # this is necessary if test is run repeated (like when finding leaks) import zipimport import importlib zipimport._zip_directory_cache.clear() importlib.invalidate_caches() if __name__ == '__main__': unittest.main()