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How to use find_module method in Slash
Best Python code snippet using slash
sandbox_test.py
Source:sandbox_test.py 
...123 class DummyPathHook(object):124 def __init__(self, path):125 if path != 'dummy/path':126 raise ImportError127 def find_module(self, unused_fullname):128 return self129 def load_module(self, fullname):130 return imp.new_module('fake name: %s' % fullname)131 self.test_policies['distutils.util'] = sandbox.ModuleOverridePolicy(132 None, [], {}, default_pass_through=True)133 sys.path_hooks = [DummyPathHook]134 util = self.hook.load_module('distutils.util')135 self.assertEqual('fake name: distutils.util', util.__name__)136 def test_load_with_path_hook_cant_find(self):137 class DummyPathHook(object):138 def __init__(self, path):139 if path != 'dummy/path':140 raise ImportError141 def find_module(self, unused_fullname):142 return None143 def load_module(self, fullname):144 raise ImportError145 self.test_policies['distutils.util'] = sandbox.ModuleOverridePolicy(146 None, [], {}, default_pass_through=True)147 sys.path_hooks = [DummyPathHook]148 util = self.hook.load_module('distutils.util')149 self.assertEqual('distutils.util', util.__name__)150 def test_load_without_path_hook(self):151 self.test_policies['urllib'] = sandbox.ModuleOverridePolicy(152 None, [], {}, default_pass_through=True)153 urllib = self.hook.load_module('urllib')154 self.assertIn('urlopen', urllib.__dict__)155 self.assertEqual('urllib', urllib.__name__)156 def test_load_without_path_hook_not_found(self):157 self.test_policies['urllib'] = sandbox.ModuleOverridePolicy(158 None, [], {}, default_pass_through=True)159 self.assertRaises(ImportError, self.hook.load_module, 'fake_module')160 def test_load_already_in_sys_modules(self):161 module = imp.new_module('foo')162 sys.modules['foo'] = module163 self.assertEqual(module, self.hook.load_module('foo'))164 def test_is_package(self):165 self.assertTrue(self.hook.is_package('distutils'))166 def test_is_package_standard_lib(self):167 self.assertTrue(self.hook.is_package('email'))168 def test_is_package_not_package_standard_lib(self):169 self.assertFalse(self.hook.is_package('urllib'))170 def test_is_package_not_package(self):171 self.assertFalse(self.hook.is_package('distutils.util'))172 def test_is_package_does_not_exist(self):173 self.assertRaises(ImportError, self.hook.is_package, 'foo.bar')174 def test_get_source(self):175 with open(__import__('distutils').__file__.replace('.pyc', '.py')) as f:176 source = f.read()177 self.assertEqual(source, self.hook.get_source('distutils'))178 def test_get_source_does_not_exist(self):179 self.assertRaises(ImportError, self.hook.get_source, 'foo.bar')180 def test_get_source_standard_library(self):181 # The expected value is hard to find if the standard library might or might182 # not be zipped so just check that a value is found.183 self.assertTrue(self.hook.get_source('urllib'))184 def test_get_code(self):185 filename = __import__('distutils').__file__.replace('.pyc', '.py')186 with open(filename) as f:187 expected_code = compile(f.read(), filename, 'exec')188 self.assertEqual(expected_code, self.hook.get_code('distutils'))189 def test_get_code_does_not_exist(self):190 self.assertRaises(ImportError, self.hook.get_code, 'foo.bar')191 def test_get_code_standard_library(self):192 # The expected value is hard to find if the standard library might or might193 # not be zipped so just check that a value is found.194 self.assertTrue(self.hook.get_code('urllib'))195 def test_os_module_policy(self):196 hooked_os = imp.new_module('os')197 hooked_os.__dict__.update(os.__dict__)198 sandbox._MODULE_OVERRIDE_POLICIES['os'].apply_policy(hooked_os.__dict__)199 self.assertEqual(stubs.return_minus_one, hooked_os.getpid)200 self.assertNotIn('execv', hooked_os.__dict__)201 self.assertEqual(stubs.os_error_not_implemented, hooked_os.unlink)202 self.assertEqual(os.walk, hooked_os.walk)203class CModuleImportHookTest(unittest.TestCase):204 def test_find_module_enabled_module(self):205 hook = sandbox.CModuleImportHook([re.compile(r'lxml\.')])206 self.assertIsNone(hook.find_module('lxml'))207 lxml = __import__('lxml')208 self.assertIsNone(hook.find_module('lxml.etree', lxml.__path__))209 def test_find_module_disabled_module(self):210 hook = sandbox.CModuleImportHook([re.compile(r'numpy\.')])211 self.assertIsNone(hook.find_module('lxml'))212 lxml = __import__('lxml')213 self.assertEqual(hook, hook.find_module('lxml.etree', lxml.__path__))214 def test_find_module_not_c_module(self):215 hook = sandbox.CModuleImportHook([])216 self.assertIsNone(hook.find_module('httplib'))217 def test_find_module_whitelisted(self):218 hook = sandbox.CModuleImportHook([])219 for name in sandbox._WHITE_LIST_C_MODULES:220 self.assertIsNone(hook.find_module(name))221 def test_find_module_not_whitelisted(self):222 hook = sandbox.CModuleImportHook([])223 self.assertEqual(hook, hook.find_module('__builtin__'))224 def test_find_module_not_whitelisted_enabled_via_libaries(self):225 hook = sandbox.CModuleImportHook([re.compile(r'__builtin__')])226 self.assertIsNone(hook.find_module('__builtin__'))227 def test_load_module(self):228 hook = sandbox.CModuleImportHook([])229 self.assertRaises(ImportError, hook.load_module, 'lxml')230class PathOverrideImportHookTest(unittest.TestCase):231 def setUp(self):232 self.saved_lxml = lxml233 self.saved_pil = PIL234 self.saved_urllib = urllib235 def tearDown(self):236 sys.modules['urllib'] = self.saved_urllib237 sys.modules['PIL'] = self.saved_pil238 sys.modules['lxml'] = self.saved_lxml239 def test_package_success(self):240 hook = sandbox.PathOverrideImportHook(['lxml'])241 self.assertEqual(hook, hook.find_module('lxml'))242 del sys.modules['lxml']243 hooked_lxml = hook.load_module('lxml')244 self.assertEqual(hooked_lxml.__file__, lxml.__file__)245 self.assertEqual(hooked_lxml.__path__, lxml.__path__)246 self.assertEqual(hooked_lxml.__loader__, hook)247 self.assertEqual([os.path.dirname(self.saved_lxml.__file__)],248 hook.extra_accessible_paths)249 self.assertFalse(hook.extra_sys_paths)250 def test_package_success_pil_in_sys_path(self):251 hook = sandbox.PathOverrideImportHook(['PIL'])252 self.assertEqual(hook, hook.find_module('PIL'))253 del sys.modules['PIL']254 hooked_pil = hook.load_module('PIL')255 self.assertEqual(hooked_pil.__file__, PIL.__file__)256 self.assertEqual(hooked_pil.__path__, PIL.__path__)257 self.assertEqual(hooked_pil.__loader__, hook)258 self.assertFalse(hook.extra_accessible_paths)259 self.assertEqual([os.path.dirname(self.saved_pil.__file__)],260 hook.extra_sys_paths)261 def test_module_success(self):262 hook = sandbox.PathOverrideImportHook(['urllib'])263 self.assertEqual(hook, hook.find_module('urllib'))264 del sys.modules['urllib']265 hooked_urllib = hook.load_module('urllib')266 self.assertEqual(hooked_urllib.__file__.replace('.pyc', '.py'),267 urllib.__file__.replace('.pyc', '.py'))268 self.assertEqual(hooked_urllib.__loader__, hook)269 self.assertNotIn('__path__', hooked_urllib.__dict__)270 self.assertFalse(hook.extra_accessible_paths)271 self.assertFalse(hook.extra_sys_paths)272 def test_disabled_modules(self):273 hook = sandbox.PathOverrideImportHook(['lxml'])274 self.assertFalse(hook.find_module('lxml.foo'))275 self.assertFalse(hook.find_module('numpy'))276 self.assertFalse(hook.find_module('os'))277 def test_module_not_installed(self):278 hook = sandbox.PathOverrideImportHook(['foo'])279 self.assertFalse(hook.find_module('foo'))280 self.assertFalse(hook.extra_accessible_paths)281 self.assertFalse(hook.extra_sys_paths)282 def test_import_alread_in_sys_modules(self):283 hook = sandbox.PathOverrideImportHook(['lxml'])284 self.assertEqual(os, hook.load_module('os'))285class PathRestrictingImportHookTest(unittest.TestCase):286 def setUp(self):287 self.mox = mox.Mox()288 self.mox.StubOutWithMock(imp, 'find_module')289 self.mox.StubOutWithMock(stubs.FakeFile, 'is_file_accessible')290 self.hook = sandbox.PathRestrictingImportHook([re.compile(r'lxml(\..*)?$')])291 def tearDown(self):292 self.mox.UnsetStubs()293 def test_accessible(self):294 imp.find_module('bar', ['foo']).AndReturn((None, 'foo/bar.py',295 (None, None, imp.PY_SOURCE)))296 stubs.FakeFile.is_file_accessible('foo/bar.py').AndReturn(True)297 self.mox.ReplayAll()298 self.assertIsNone(self.hook.find_module('foo.bar', ['foo']))299 def test_not_accessible(self):300 imp.find_module('bar', ['foo']).AndReturn((None, 'foo/bar.py',301 (None, None, imp.PY_SOURCE)))302 stubs.FakeFile.is_file_accessible('foo/bar.py').AndReturn(False)303 self.mox.ReplayAll()304 self.assertEqual(self.hook, self.hook.find_module('foo.bar', ['foo']))305 def test_c_module_accessible(self):306 imp.find_module('bar', ['foo']).AndReturn((None, 'foo/bar.so',307 (None, None, imp.C_EXTENSION)))308 stubs.FakeFile.is_file_accessible('foo/bar.so').AndReturn(True)309 self.mox.ReplayAll()310 self.assertIsNone(self.hook.find_module('foo.bar', ['foo']))311 def test_c_module_not_accessible(self):312 imp.find_module('bar', ['foo']).AndReturn((None, 'foo/bar.so',313 (None, None, imp.C_EXTENSION)))314 stubs.FakeFile.is_file_accessible('foo/bar.so').AndReturn(False)315 self.mox.ReplayAll()316 self.assertEqual(self.hook, self.hook.find_module('foo.bar', ['foo']))317 def test_compiled_python_accessible(self):318 imp.find_module('bar', ['foo']).AndReturn((None, 'foo/bar.pyc',319 (None, None, imp.PY_COMPILED)))320 stubs.FakeFile.is_file_accessible('foo/bar.pyc').AndReturn(True)321 self.mox.ReplayAll()322 self.assertIsNone(self.hook.find_module('foo.bar', ['foo']))323 def test_compiled_python_not_accessible(self):324 imp.find_module('bar', ['foo']).AndReturn((None, 'foo/bar.pyc',325 (None, None, imp.PY_COMPILED)))326 stubs.FakeFile.is_file_accessible('foo/bar.pyc').AndReturn(False)327 self.mox.ReplayAll()328 self.assertEqual(self.hook, self.hook.find_module('foo.bar', ['foo']))329 def test_c_builtin(self):330 imp.find_module('bar', ['foo']).AndReturn((None, 'bar',331 (None, None, imp.C_BUILTIN)))332 self.mox.ReplayAll()333 self.assertIsNone(self.hook.find_module('foo.bar', ['foo']))334 def test_py_frozen(self):335 imp.find_module('bar', ['foo']).AndReturn((None, 'bar',336 (None, None, imp.PY_FROZEN)))337 self.mox.ReplayAll()338 self.assertIsNone(self.hook.find_module('foo.bar', ['foo']))339 def test_enabled_c_library(self):340 imp.find_module('lxmla', ['foo']).AndReturn((None, 'lxmla.py',341 (None, None, imp.PY_SOURCE)))342 stubs.FakeFile.is_file_accessible('lxmla.py').AndReturn(False)343 self.mox.ReplayAll()344 self.assertEqual(self.hook, self.hook.find_module('lxmla', ['foo']))345 self.assertIsNone(self.hook.find_module('lxml', None))346 self.assertIsNone(self.hook.find_module('lxml.html', None))347 def test_load_module(self):348 self.assertRaises(ImportError, self.hook.load_module, 'os')349class PyCryptoRandomImportHookTest(unittest.TestCase):350 def test_find_module(self):351 self.assertIsInstance(352 sandbox.PyCryptoRandomImportHook.find_module(353 'Crypto.Random.OSRNG.posix'),354 sandbox.PyCryptoRandomImportHook)355 self.assertIsNone(356 sandbox.PyCryptoRandomImportHook.find_module('Crypto.Random.OSRNG.nt'))357if __name__ == '__main__':...
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