當前位置: 首頁>>代碼示例>>Python>>正文

Python abc.ABCMeta方法代碼示例

本文整理匯總了Python中abc.ABCMeta方法的典型用法代碼示例。如果您正苦於以下問題：Python abc.ABCMeta方法的具體用法？Python abc.ABCMeta怎麽用？Python abc.ABCMeta使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類abc的用法示例。


在下文中一共展示了abc.ABCMeta方法的15個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。

示例1: challenge_meta

# 需要導入模塊: import abc [as 別名]
# 或者: from abc import ABCMeta [as 別名]
def challenge_meta(attributes):
    """
    Returns a metaclass that will introduce the given attributes into the class
    namespace.

    Args:
        attributes: The dictionary of attributes

    Returns:
        The metaclass described above
    """

    class ChallengeMeta(ABCMeta):
        def __new__(cls, name, bases, attr):
            attrs = dict(attr)
            attrs.update(attributes)
            return super().__new__(cls, name, bases, attrs)

    return ChallengeMeta
開發者ID:picoCTF，項目名稱:picoCTF，代碼行數:21，代碼來源:deploy.py

示例2: test_cache_leak

# 需要導入模塊: import abc [as 別名]
# 或者: from abc import ABCMeta [as 別名]
def test_cache_leak(self):
        # See issue #2521.
        class A(object):
            __metaclass__ = abc.ABCMeta
            @abc.abstractmethod
            def f(self):
                pass
        class C(A):
            def f(self):
                A.f(self)
        r = weakref.ref(C)
        # Trigger cache.
        C().f()
        del C
        test_support.gc_collect()
        self.assertEqual(r(), None)
開發者ID:IronLanguages，項目名稱:ironpython2，代碼行數:18，代碼來源:test_abc.py

示例3: test_slots_descriptor

# 需要導入模塊: import abc [as 別名]
# 或者: from abc import ABCMeta [as 別名]
def test_slots_descriptor(self):
        # Issue2115: slot descriptors did not correctly check
        # the type of the given object
        import abc
        class MyABC:
            __metaclass__ = abc.ABCMeta
            __slots__ = "a"

        class Unrelated(object):
            pass
        MyABC.register(Unrelated)

        u = Unrelated()
        self.assertIsInstance(u, MyABC)

        # This used to crash
        self.assertRaises(TypeError, MyABC.a.__set__, u, 3)
開發者ID:IronLanguages，項目名稱:ironpython2，代碼行數:19，代碼來源:test_descr.py

示例4: test_registration_basics

# 需要導入模塊: import abc [as 別名]
# 或者: from abc import ABCMeta [as 別名]
def test_registration_basics(self):
        class A:
            __metaclass__ = abc.ABCMeta
        class B(object):
            pass
        b = B()
        self.assertFalse(issubclass(B, A))
        self.assertFalse(issubclass(B, (A,)))
        self.assertNotIsInstance(b, A)
        self.assertNotIsInstance(b, (A,))
        A.register(B)
        self.assertTrue(issubclass(B, A))
        self.assertTrue(issubclass(B, (A,)))
        self.assertIsInstance(b, A)
        self.assertIsInstance(b, (A,))
        class C(B):
            pass
        c = C()
        self.assertTrue(issubclass(C, A))
        self.assertTrue(issubclass(C, (A,)))
        self.assertIsInstance(c, A)
        self.assertIsInstance(c, (A,))
開發者ID:IronLanguages，項目名稱:ironpython2，代碼行數:24，代碼來源:test_abc.py

示例5: test_registration_edge_cases

# 需要導入模塊: import abc [as 別名]
# 或者: from abc import ABCMeta [as 別名]
def test_registration_edge_cases(self):
        class A:
            __metaclass__ = abc.ABCMeta
        A.register(A)  # should pass silently
        class A1(A):
            pass
        self.assertRaises(RuntimeError, A1.register, A)  # cycles not allowed
        class B(object):
            pass
        A1.register(B)  # ok
        A1.register(B)  # should pass silently
        class C(A):
            pass
        A.register(C)  # should pass silently
        self.assertRaises(RuntimeError, C.register, A)  # cycles not allowed
        C.register(B)  # ok
開發者ID:IronLanguages，項目名稱:ironpython2，代碼行數:18，代碼來源:test_abc.py

示例6: __new__

# 需要導入模塊: import abc [as 別名]
# 或者: from abc import ABCMeta [as 別名]
def __new__(mcls, name, bases, namespace, **kwargs):
        cls = abc.ABCMeta.__new__(mcls, name, bases, namespace, **kwargs)

        samplermixins = {name
                         for name, value in namespace.items()
                         if getattr(value, "__issamplemixin__", False)}
        if len(samplermixins) == 3:
            abstracts = samplermixins
        else:
            abstracts = set()

        for base in bases:
            samplermixins = {name
                             for name in getattr(base, "__abstractmethods__", set())
                             if getattr(getattr(cls, name, None), "__issamplemixin__", False)}
            if len(samplermixins) == 3:
                abstracts.update(samplermixins)

        # if we found any, update abstract methods
        if abstracts:
            cls.__abstractmethods__ = frozenset(abstracts.union(cls.__abstractmethods__))

        return cls
開發者ID:dwavesystems，項目名稱:dimod，代碼行數:25，代碼來源:meta.py

示例7: _save_config_yaml

# 需要導入模塊: import abc [as 別名]
# 或者: from abc import ABCMeta [as 別名]
def _save_config_yaml(output_dir, config):
    file_name = 'config.yaml'
    config_dict = _easy_dict_to_dict(config)
    file_path = os.path.join(output_dir, file_name)

    class Dumper(yaml.Dumper):
        def ignore_aliases(self, data):
            return True
    Dumper.add_representer(ABCMeta, Representer.represent_name)

    if type(config_dict['CLASSES']) != list:
        DatasetClass = config.DATASET_CLASS
        dataset_kwargs = dict((key.lower(), val) for key, val in config.DATASET.items())
        train_dataset = DatasetClass(
            subset="train",
            **dataset_kwargs,
        )
        config_dict['CLASSES'] = train_dataset.classes

    with gfile.GFile(os.path.join(output_dir, file_name), 'w') as outfile:
        yaml.dump(config_dict, outfile, default_flow_style=False, Dumper=Dumper)

    return file_path
開發者ID:blue-oil，項目名稱:blueoil，代碼行數:25，代碼來源:config.py

示例8: test_slots_descriptor

# 需要導入模塊: import abc [as 別名]
# 或者: from abc import ABCMeta [as 別名]
def test_slots_descriptor(self):
        # Issue2115: slot descriptors did not correctly check
        # the type of the given object
        import abc
        class MyABC(metaclass=abc.ABCMeta):
            __slots__ = "a"

        class Unrelated(object):
            pass
        MyABC.register(Unrelated)

        u = Unrelated()
        self.assertIsInstance(u, MyABC)

        # This used to crash
        self.assertRaises(TypeError, MyABC.a.__set__, u, 3)
開發者ID:Microvellum，項目名稱:Fluid-Designer，代碼行數:18，代碼來源:test_descr.py

示例9: test_abstractproperty_basics

# 需要導入模塊: import abc [as 別名]
# 或者: from abc import ABCMeta [as 別名]
def test_abstractproperty_basics(self):
        @abc.abstractproperty
        def foo(self): pass
        self.assertTrue(foo.__isabstractmethod__)
        def bar(self): pass
        self.assertFalse(hasattr(bar, "__isabstractmethod__"))

        class C(metaclass=abc.ABCMeta):
            @abc.abstractproperty
            def foo(self): return 3
        self.assertRaises(TypeError, C)
        class D(C):
            @property
            def foo(self): return super().foo
        self.assertEqual(D().foo, 3)
        self.assertFalse(getattr(D.foo, "__isabstractmethod__", False))
開發者ID:Microvellum，項目名稱:Fluid-Designer，代碼行數:18，代碼來源:test_abc.py

示例10: test_abstractclassmethod_basics

# 需要導入模塊: import abc [as 別名]
# 或者: from abc import ABCMeta [as 別名]
def test_abstractclassmethod_basics(self):
        @abc.abstractclassmethod
        def foo(cls): pass
        self.assertTrue(foo.__isabstractmethod__)
        @classmethod
        def bar(cls): pass
        self.assertFalse(getattr(bar, "__isabstractmethod__", False))

        class C(metaclass=abc.ABCMeta):
            @abc.abstractclassmethod
            def foo(cls): return cls.__name__
        self.assertRaises(TypeError, C)
        class D(C):
            @classmethod
            def foo(cls): return super().foo()
        self.assertEqual(D.foo(), 'D')
        self.assertEqual(D().foo(), 'D')
開發者ID:Microvellum，項目名稱:Fluid-Designer，代碼行數:19，代碼來源:test_abc.py

示例11: test_abstractstaticmethod_basics

# 需要導入模塊: import abc [as 別名]
# 或者: from abc import ABCMeta [as 別名]
def test_abstractstaticmethod_basics(self):
        @staticmethod
        @abc.abstractmethod
        def foo(): pass
        self.assertTrue(foo.__isabstractmethod__)
        @staticmethod
        def bar(): pass
        self.assertFalse(getattr(bar, "__isabstractmethod__", False))

        class C(metaclass=abc.ABCMeta):
            @staticmethod
            @abc.abstractmethod
            def foo(): return 3
        self.assertRaises(TypeError, C)
        class D(C):
            @staticmethod
            def foo(): return 4
        self.assertEqual(D.foo(), 4)
        self.assertEqual(D().foo(), 4)
開發者ID:Microvellum，項目名稱:Fluid-Designer，代碼行數:21，代碼來源:test_abc.py

示例12: test_registration_basics

# 需要導入模塊: import abc [as 別名]
# 或者: from abc import ABCMeta [as 別名]
def test_registration_basics(self):
        class A(metaclass=abc.ABCMeta):
            pass
        class B(object):
            pass
        b = B()
        self.assertFalse(issubclass(B, A))
        self.assertFalse(issubclass(B, (A,)))
        self.assertNotIsInstance(b, A)
        self.assertNotIsInstance(b, (A,))
        B1 = A.register(B)
        self.assertTrue(issubclass(B, A))
        self.assertTrue(issubclass(B, (A,)))
        self.assertIsInstance(b, A)
        self.assertIsInstance(b, (A,))
        self.assertIs(B1, B)
        class C(B):
            pass
        c = C()
        self.assertTrue(issubclass(C, A))
        self.assertTrue(issubclass(C, (A,)))
        self.assertIsInstance(c, A)
        self.assertIsInstance(c, (A,))
開發者ID:Microvellum，項目名稱:Fluid-Designer，代碼行數:25，代碼來源:test_abc.py

示例13: test_register_as_class_deco

# 需要導入模塊: import abc [as 別名]
# 或者: from abc import ABCMeta [as 別名]
def test_register_as_class_deco(self):
        class A(metaclass=abc.ABCMeta):
            pass
        @A.register
        class B(object):
            pass
        b = B()
        self.assertTrue(issubclass(B, A))
        self.assertTrue(issubclass(B, (A,)))
        self.assertIsInstance(b, A)
        self.assertIsInstance(b, (A,))
        @A.register
        class C(B):
            pass
        c = C()
        self.assertTrue(issubclass(C, A))
        self.assertTrue(issubclass(C, (A,)))
        self.assertIsInstance(c, A)
        self.assertIsInstance(c, (A,))
        self.assertIs(C, A.register(C))
開發者ID:Microvellum，項目名稱:Fluid-Designer，代碼行數:22，代碼來源:test_abc.py

示例14: test_registration_edge_cases

# 需要導入模塊: import abc [as 別名]
# 或者: from abc import ABCMeta [as 別名]
def test_registration_edge_cases(self):
        class A(metaclass=abc.ABCMeta):
            pass
        A.register(A)  # should pass silently
        class A1(A):
            pass
        self.assertRaises(RuntimeError, A1.register, A)  # cycles not allowed
        class B(object):
            pass
        A1.register(B)  # ok
        A1.register(B)  # should pass silently
        class C(A):
            pass
        A.register(C)  # should pass silently
        self.assertRaises(RuntimeError, C.register, A)  # cycles not allowed
        C.register(B)  # ok
開發者ID:Microvellum，項目名稱:Fluid-Designer，代碼行數:18，代碼來源:test_abc.py

示例15: test_isabstract

# 需要導入模塊: import abc [as 別名]
# 或者: from abc import ABCMeta [as 別名]
def test_isabstract(self):
        from abc import ABCMeta, abstractmethod

        class AbstractClassExample(metaclass=ABCMeta):

            @abstractmethod
            def foo(self):
                pass

        class ClassExample(AbstractClassExample):
            def foo(self):
                pass

        a = ClassExample()

        # Test general behaviour.
        self.assertTrue(inspect.isabstract(AbstractClassExample))
        self.assertFalse(inspect.isabstract(ClassExample))
        self.assertFalse(inspect.isabstract(a))
        self.assertFalse(inspect.isabstract(int))
        self.assertFalse(inspect.isabstract(5))
開發者ID:Microvellum，項目名稱:Fluid-Designer，代碼行數:23，代碼來源:test_inspect.py


注：本文中的abc.ABCMeta方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。