Python types.ModuleType() Examples

def test_suiteClass__loadTestsFromModule(self):
        m = types.ModuleType('m')
        class Foo(unittest.TestCase):
            def test_1(self): pass
            def test_2(self): pass
            def foo_bar(self): pass
        m.Foo = Foo

        tests = [[Foo('test_1'), Foo('test_2')]]

        loader = unittest.TestLoader()
        loader.suiteClass = list
        self.assertEqual(loader.loadTestsFromModule(m), tests)

    # It is implicit in the documentation for TestLoader.suiteClass that
    # all TestLoader.loadTestsFrom* methods respect it. Let's make sure 

def read_table(self, module):
        if isinstance(module, types.ModuleType):
            parsetab = module
        else:
            exec('import %s' % module)
            parsetab = sys.modules[module]

        if parsetab._tabversion != __tabversion__:
            raise VersionError('yacc table file version is out of date')

        self.lr_action = parsetab._lr_action
        self.lr_goto = parsetab._lr_goto

        self.lr_productions = []
        for p in parsetab._lr_productions:
            self.lr_productions.append(MiniProduction(*p))

        self.lr_method = parsetab._lr_method
        return parsetab._lr_signature 

def test_loadTestsFromNames__callable__TestSuite(self):
        m = types.ModuleType('m')
        testcase_1 = unittest.FunctionTestCase(lambda: None)
        testcase_2 = unittest.FunctionTestCase(lambda: None)
        def return_TestSuite():
            return unittest.TestSuite([testcase_1, testcase_2])
        m.return_TestSuite = return_TestSuite

        loader = unittest.TestLoader()
        suite = loader.loadTestsFromNames(['return_TestSuite'], m)
        self.assertIsInstance(suite, loader.suiteClass)

        expected = unittest.TestSuite([testcase_1, testcase_2])
        self.assertEqual(list(suite), [expected])

    # "The specifier name is a ``dotted name'' that may resolve ... to
    # ... a callable object which returns a TestCase ... instance" 

def test_get_modpath_pkg_resources_missing_path(self):
        with pretty_logging(stream=StringIO()) as fd:
            self.assertEqual([], indexer.modpath_pkg_resources(
                None, calmjs_ep))
            self.assertIn(
                "None does not appear to be a valid module", fd.getvalue())
        with pretty_logging(stream=StringIO()) as fd:
            module = ModuleType('nothing')
            self.assertEqual([], indexer.modpath_pkg_resources(
                module, calmjs_ep))

        err = fd.getvalue()
        self.assertIn(
            "module 'nothing' and entry_point 'demo = demo'", err)
        # the input is fetched using a working entry_point, after all
        self.assertIn("resource path resolved to be '" + calmjs_dist_dir, err)
        self.assertIn("but it does not exist", fd.getvalue()) 

def _reload_on_update(modify_times):
    if _reload_attempted:
        # We already tried to reload and it didn't work, so don't try again.
        return
    if process.task_id() is not None:
        # We're in a child process created by fork_processes.  If child
        # processes restarted themselves, they'd all restart and then
        # all call fork_processes again.
        return
    for module in list(sys.modules.values()):
        # Some modules play games with sys.modules (e.g. email/__init__.py
        # in the standard library), and occasionally this can cause strange
        # failures in getattr.  Just ignore anything that's not an ordinary
        # module.
        if not isinstance(module, types.ModuleType):
            continue
        path = getattr(module, "__file__", None)
        if not path:
            continue
        if path.endswith(".pyc") or path.endswith(".pyo"):
            path = path[:-1]
        _check_file(modify_times, path)
    for path in _watched_files:
        _check_file(modify_times, path) 

def test_iter_builders_side_effect(self):
        # inject dummy module and add cleanup
        mod = ModuleType('calmjs_testing_dummy')
        mod.complete = generic_builder
        self.addCleanup(sys.modules.pop, 'calmjs_testing_dummy')
        sys.modules['calmjs_testing_dummy'] = mod

        working_dir = utils.mkdtemp(self)
        utils.make_dummy_dist(self, (
            ('entry_points.txt', '\n'.join([
                '[calmjs.artifacts]',
                'artifact.js = calmjs_testing_dummy:complete',
            ])),
        ), 'app', '1.0', working_dir=working_dir)
        mock_ws = WorkingSet([working_dir])
        registry = ArtifactRegistry('calmjs.artifacts', _working_set=mock_ws)
        registry.update_artifact_metadata('app', {})

        root = join(working_dir, 'app-1.0.egg-info', 'calmjs_artifacts')
        self.assertFalse(exists(root))
        ep, toolchain, spec = next(registry.iter_builders_for('app'))
        self.assertFalse(exists(root))
        # directory only created after the toolchain is executed
        toolchain(spec)
        self.assertTrue(exists(root)) 

def test_testMethodPrefix__loadTestsFromName(self):
        m = types.ModuleType('m')
        class Foo(unittest.TestCase):
            def test_1(self): pass
            def test_2(self): pass
            def foo_bar(self): pass
        m.Foo = Foo

        tests_1 = unittest.TestSuite([Foo('foo_bar')])
        tests_2 = unittest.TestSuite([Foo('test_1'), Foo('test_2')])

        loader = unittest.TestLoader()
        loader.testMethodPrefix = 'foo'
        self.assertEqual(loader.loadTestsFromName('Foo', m), tests_1)

        loader.testMethodPrefix = 'test'
        self.assertEqual(loader.loadTestsFromName('Foo', m), tests_2)

    # "String giving the prefix of method names which will be interpreted as
    # test methods"
    #
    # Implicit in the documentation is that testMethodPrefix is respected by
    # all loadTestsFrom* methods. 

def read_table(self,module):
        if isinstance(module,types.ModuleType):
            parsetab = module
        else:
            if sys.version_info[0] < 3:
                exec("import %s as parsetab" % module)
            else:
                env = { }
                exec("import %s as parsetab" % module, env, env)
                parsetab = env['parsetab']

        if parsetab._tabversion != __tabversion__:
            raise VersionError("yacc table file version is out of date")

        self.lr_action = parsetab._lr_action
        self.lr_goto = parsetab._lr_goto

        self.lr_productions = []
        for p in parsetab._lr_productions:
            self.lr_productions.append(MiniProduction(*p))

        self.lr_method = parsetab._lr_method
        return parsetab._lr_signature 

def test_testMethodPrefix__loadTestsFromNames(self):
        m = types.ModuleType('m')
        class Foo(unittest.TestCase):
            def test_1(self): pass
            def test_2(self): pass
            def foo_bar(self): pass
        m.Foo = Foo

        tests_1 = unittest.TestSuite([unittest.TestSuite([Foo('foo_bar')])])
        tests_2 = unittest.TestSuite([Foo('test_1'), Foo('test_2')])
        tests_2 = unittest.TestSuite([tests_2])

        loader = unittest.TestLoader()
        loader.testMethodPrefix = 'foo'
        self.assertEqual(loader.loadTestsFromNames(['Foo'], m), tests_1)

        loader.testMethodPrefix = 'test'
        self.assertEqual(loader.loadTestsFromNames(['Foo'], m), tests_2)

    # "The default value is 'test'" 

def string_function(module: [str, ModuleType], func: str, *args, **kwargs):
    """根据字符串方法名来进行调用模块方法

    :param module: 模块名
    :param func: 模块中的方法名字
    :param args: 方法里面的参数值
    :param kwargs: 方法里面的参数值
    :return: 返回一个返回值
    """
    if isinstance(module, ModuleType):
        if hasattr(module, func):
            func_or_var = getattr(module, func)
            if isinstance(func_or_var, FunctionType):
                return func_or_var(*args, **kwargs)
            else:
                return func_or_var
        else:
            print(f'{func}不是一个方法')
    elif isinstance(module, str):
        m = __import__(module)
        return string_function(m, func, *args, **kwargs)
    else:
        print(f'{module}不是一个模块')
    return None 

def iterate_module_attributes(module):
    """
    Iterate over the attributes in a module.

    This is a generator function.

    Returns (name, value) tuples.
    """
    for name in dir(module):
        # Ignore fields marked as private or builtin.
        if name.startswith('_'):
            continue

        value = getattr(module, name)

        # Ignore callable objects (functions) and loaded modules.
        if callable(value) or isinstance(value, types.ModuleType):
            continue

        yield (name, value) 

def test_sortTestMethodsUsing__loadTestsFromModule(self):
        def reversed_cmp(x, y):
            return -((x > y) - (x < y))

        m = types.ModuleType('m')
        class Foo(unittest.TestCase):
            def test_1(self): pass
            def test_2(self): pass
        m.Foo = Foo

        loader = unittest.TestLoader()
        loader.sortTestMethodsUsing = reversed_cmp

        tests = [loader.suiteClass([Foo('test_2'), Foo('test_1')])]
        self.assertEqual(list(loader.loadTestsFromModule(m)), tests)

    # "Function to be used to compare method names when sorting them in
    # getTestCaseNames() and all the loadTestsFromX() methods" 

def test_testMethodPrefix__loadTestsFromModule(self):
        m = types.ModuleType('m')
        class Foo(unittest.TestCase):
            def test_1(self): pass
            def test_2(self): pass
            def foo_bar(self): pass
        m.Foo = Foo

        tests_1 = [unittest.TestSuite([Foo('foo_bar')])]
        tests_2 = [unittest.TestSuite([Foo('test_1'), Foo('test_2')])]

        loader = unittest.TestLoader()
        loader.testMethodPrefix = 'foo'
        self.assertEqual(list(loader.loadTestsFromModule(m)), tests_1)

        loader.testMethodPrefix = 'test'
        self.assertEqual(list(loader.loadTestsFromModule(m)), tests_2)

    # "String giving the prefix of method names which will be interpreted as
    # test methods"
    #
    # Implicit in the documentation is that testMethodPrefix is respected by
    # all loadTestsFrom* methods. 

def read_table(self, module):
        if isinstance(module, types.ModuleType):
            parsetab = module
        else:
            exec('import %s' % module)
            parsetab = sys.modules[module]

        if parsetab._tabversion != __tabversion__:
            raise VersionError('yacc table file version is out of date')

        self.lr_action = parsetab._lr_action
        self.lr_goto = parsetab._lr_goto

        self.lr_productions = []
        for p in parsetab._lr_productions:
            self.lr_productions.append(MiniProduction(*p))

        self.lr_method = parsetab._lr_method
        return parsetab._lr_signature 

def test_sortTestMethodsUsing__loadTestsFromNames(self):
        def reversed_cmp(x, y):
            return -((x > y) - (x < y))

        m = types.ModuleType('m')
        class Foo(unittest.TestCase):
            def test_1(self): pass
            def test_2(self): pass
        m.Foo = Foo

        loader = unittest.TestLoader()
        loader.sortTestMethodsUsing = reversed_cmp

        tests = [loader.suiteClass([Foo('test_2'), Foo('test_1')])]
        self.assertEqual(list(loader.loadTestsFromNames(['Foo'], m)), tests)

    # "Function to be used to compare method names when sorting them in
    # getTestCaseNames()"
    #
    # Does it actually affect getTestCaseNames()? 

def test_loadTestsFromNames__relative_testmethod(self):
        m = types.ModuleType('m')
        class MyTestCase(unittest.TestCase):
            def test(self):
                pass
        m.testcase_1 = MyTestCase

        loader = unittest.TestLoader()
        suite = loader.loadTestsFromNames(['testcase_1.test'], m)
        self.assertIsInstance(suite, loader.suiteClass)

        ref_suite = unittest.TestSuite([MyTestCase('test')])
        self.assertEqual(list(suite), [ref_suite])

    # "The specifier name is a ``dotted name'' that may resolve ... to ... a
    # test method within a test case class"
    #
    # Does the method gracefully handle names that initially look like they
    # resolve to "a test method within a test case class" but don't? 

def _compile_text(template, text, filename):
    identifier = template.module_id
    source, lexer = _compile(
        template,
        text,
        filename,
        generate_magic_comment=template.disable_unicode,
    )

    cid = identifier
    if not compat.py3k and isinstance(cid, compat.text_type):
        cid = cid.encode()
    module = types.ModuleType(cid)
    code = compile(source, cid, "exec")

    # this exec() works for 2.4->3.3.
    exec(code, module.__dict__, module.__dict__)
    return (source, module) 

def test_loadTestsFromName__callable__wrong_type(self):
        m = types.ModuleType('m')
        def return_wrong():
            return 6
        m.return_wrong = return_wrong

        loader = unittest.TestLoader()
        try:
            suite = loader.loadTestsFromName('return_wrong', m)
        except TypeError:
            pass
        else:
            self.fail("TestLoader.loadTestsFromName failed to raise TypeError")

    # "The specifier can refer to modules and packages which have not been
    # imported; they will be imported as a side-effect" 

def from_pyfile(self, filename):
        """Update the values in the config from a Python file.
        Only the uppercase variables in that module are stored in the config.

        :param filename: an absolute path to the config file
        """
        module = types.ModuleType("config")
        module.__file__ = filename
        try:
            with open(filename) as config_file:
                exec(  # nosec
                    compile(config_file.read(), filename, "exec"),
                    module.__dict__,
                )
        except IOError as e:
            e.strerror = "Unable to load configuration file (%s)" % e.strerror
            raise
        except Exception as e:
            raise PyFileError(filename) from e

        self.from_object(module)
        return True 

def load_module(self, fullname):
        # print "load_module:",  fullname
        from types import ModuleType
        try:
            s = self.sources[fullname]
            is_pkg = False
        except KeyError:
            s = self.sources[fullname + '.__init__']
            is_pkg = True

        co = compile(s, fullname, 'exec')
        module = sys.modules.setdefault(fullname, ModuleType(fullname))
        module.__file__ = "%s/%s" % (__file__, fullname)
        module.__loader__ = self
        if is_pkg:
            module.__path__ = [fullname]

        do_exec(co, module.__dict__)
        return sys.modules[fullname] 

def test_loadTestsFromName__relative_testmethod_ProperSuiteClass(self):
        class SubTestSuite(unittest.TestSuite):
            pass
        m = types.ModuleType('m')
        class MyTestCase(unittest.TestCase):
            def test(self):
                pass
        m.testcase_1 = MyTestCase

        loader = unittest.TestLoader()
        loader.suiteClass=SubTestSuite
        suite = loader.loadTestsFromName('testcase_1.test', m)
        self.assertIsInstance(suite, loader.suiteClass)

        self.assertEqual(list(suite), [MyTestCase('test')])

    # "The specifier name is a ``dotted name'' that may resolve ... to
    # ... a callable object which returns a TestCase or TestSuite instance"
    #
    # What happens if the callable returns something else? 

def test_loadTestsFromName__callable__TestCase_instance_ProperSuiteClass(self):
        class SubTestSuite(unittest.TestSuite):
            pass
        m = types.ModuleType('m')
        testcase_1 = unittest.FunctionTestCase(lambda: None)
        def return_TestCase():
            return testcase_1
        m.return_TestCase = return_TestCase

        loader = unittest.TestLoader()
        loader.suiteClass = SubTestSuite
        suite = loader.loadTestsFromName('return_TestCase', m)
        self.assertIsInstance(suite, loader.suiteClass)
        self.assertEqual(list(suite), [testcase_1])

    # "The specifier name is a ``dotted name'' that may resolve ... to
    # ... a test method within a test case class"
    #*****************************************************************
    #Override the suiteClass attribute to ensure that the suiteClass
    #attribute is used 

def test_loadTestsFromName__callable__TestCase_instance(self):
        m = types.ModuleType('m')
        testcase_1 = unittest.FunctionTestCase(lambda: None)
        def return_TestCase():
            return testcase_1
        m.return_TestCase = return_TestCase

        loader = unittest.TestLoader()
        suite = loader.loadTestsFromName('return_TestCase', m)
        self.assertIsInstance(suite, loader.suiteClass)
        self.assertEqual(list(suite), [testcase_1])

    # "The specifier name is a ``dotted name'' that may resolve ... to
    # ... a callable object which returns a TestCase ... instance"
    #*****************************************************************
    #Override the suiteClass attribute to ensure that the suiteClass
    #attribute is used 

def test_loadTestsFromModule__TestCase_subclass(self):
        m = types.ModuleType('m')
        class MyTestCase(unittest.TestCase):
            def test(self):
                pass
        m.testcase_1 = MyTestCase

        loader = unittest.TestLoader()
        suite = loader.loadTestsFromModule(m)
        self.assertIsInstance(suite, loader.suiteClass)

        expected = [loader.suiteClass([MyTestCase('test')])]
        self.assertEqual(list(suite), expected)

    # "This method searches `module` for classes derived from TestCase"
    #
    # What happens if no tests are found (no TestCase instances)? 

def test_loadTestsFromName__relative_invalid_testmethod(self):
        m = types.ModuleType('m')
        class MyTestCase(unittest.TestCase):
            def test(self):
                pass
        m.testcase_1 = MyTestCase

        loader = unittest.TestLoader()
        try:
            loader.loadTestsFromName('testcase_1.testfoo', m)
        except AttributeError as e:
            self.assertEqual(str(e), "type object 'MyTestCase' has no attribute 'testfoo'")
        else:
            self.fail("Failed to raise AttributeError")

    # "The specifier name is a ``dotted name'' that may resolve ... to
    # ... a callable object which returns a ... TestSuite instance" 

def test_loadTestsFromModule__no_TestCase_tests(self):
        m = types.ModuleType('m')
        class MyTestCase(unittest.TestCase):
            pass
        m.testcase_1 = MyTestCase

        loader = unittest.TestLoader()
        suite = loader.loadTestsFromModule(m)
        self.assertIsInstance(suite, loader.suiteClass)

        self.assertEqual(list(suite), [loader.suiteClass()])

    # "This method searches `module` for classes derived from TestCase"s
    #
    # What happens if loadTestsFromModule() is given something other
    # than a module?
    #
    # XXX Currently, it succeeds anyway. This flexibility
    # should either be documented or loadTestsFromModule() should
    # raise a TypeError
    #
    # XXX Certain people are using this behaviour. We'll add a test for it 

def test_loadTestsFromModule__load_tests(self):
        m = types.ModuleType('m')
        class MyTestCase(unittest.TestCase):
            def test(self):
                pass
        m.testcase_1 = MyTestCase

        load_tests_args = []
        def load_tests(loader, tests, pattern):
            self.assertIsInstance(tests, unittest.TestSuite)
            load_tests_args.extend((loader, tests, pattern))
            return tests
        m.load_tests = load_tests

        loader = unittest.TestLoader()
        suite = loader.loadTestsFromModule(m)
        self.assertIsInstance(suite, unittest.TestSuite)
        self.assertEqual(load_tests_args, [loader, suite, None])

        load_tests_args = []
        suite = loader.loadTestsFromModule(m, use_load_tests=False)
        self.assertEqual(load_tests_args, []) 

def test_loadTestsFromName__relative_testmethod(self):
        m = types.ModuleType('m')
        class MyTestCase(unittest.TestCase):
            def test(self):
                pass
        m.testcase_1 = MyTestCase

        loader = unittest.TestLoader()
        suite = loader.loadTestsFromName('testcase_1.test', m)
        self.assertIsInstance(suite, loader.suiteClass)

        self.assertEqual(list(suite), [MyTestCase('test')])

    # "The specifier name is a ``dotted name'' that may resolve either to
    # a module, a test case class, a TestSuite instance, a test method
    # within a test case class, or a callable object which returns a
    # TestCase or TestSuite instance."
    #
    # Does loadTestsFromName() raise the proper exception when trying to
    # resolve "a test method within a test case class" that doesn't exist
    # for the given name (relative to a provided module)? 

def test_loadTestsFromName__relative_TestCase_subclass(self):
        m = types.ModuleType('m')
        class MyTestCase(unittest.TestCase):
            def test(self):
                pass
        m.testcase_1 = MyTestCase

        loader = unittest.TestLoader()
        suite = loader.loadTestsFromName('testcase_1', m)
        self.assertIsInstance(suite, loader.suiteClass)
        self.assertEqual(list(suite), [MyTestCase('test')])

    # "The specifier name is a ``dotted name'' that may resolve either to
    # a module, a test case class, a TestSuite instance, a test method
    # within a test case class, or a callable object which returns a
    # TestCase or TestSuite instance." 

def test_suiteClass__loadTestsFromName(self):
        m = types.ModuleType('m')
        class Foo(unittest.TestCase):
            def test_1(self): pass
            def test_2(self): pass
            def foo_bar(self): pass
        m.Foo = Foo

        tests = [Foo('test_1'), Foo('test_2')]

        loader = unittest.TestLoader()
        loader.suiteClass = list
        self.assertEqual(loader.loadTestsFromName('Foo', m), tests)

    # It is implicit in the documentation for TestLoader.suiteClass that
    # all TestLoader.loadTestsFrom* methods respect it. Let's make sure