Python abc.abstractclassmethod() Examples

The following are 7 code examples of abc.abstractclassmethod(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module abc , or try the search function .
Example #1
Source File: test_abc.py    From Fluid-Designer with GNU General Public License v3.0 6 votes vote down vote up 
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')
Example #2
Source File: test_abc.py    From ironpython3 with Apache License 2.0 6 votes vote down vote up 
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')
Example #3
Source File: test_abc.py    From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 6 votes vote down vote up 
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')
Example #4
Source File: test_abc.py    From Fluid-Designer with GNU General Public License v3.0 5 votes vote down vote up 
def test_abstractmethod_integration(self):
        for abstractthing in [abc.abstractmethod, abc.abstractproperty,
                              abc.abstractclassmethod,
                              abc.abstractstaticmethod]:
            class C(metaclass=abc.ABCMeta):
                @abstractthing
                def foo(self): pass  # abstract
                def bar(self): pass  # concrete
            self.assertEqual(C.__abstractmethods__, {"foo"})
            self.assertRaises(TypeError, C)  # because foo is abstract
            self.assertTrue(isabstract(C))
            class D(C):
                def bar(self): pass  # concrete override of concrete
            self.assertEqual(D.__abstractmethods__, {"foo"})
            self.assertRaises(TypeError, D)  # because foo is still abstract
            self.assertTrue(isabstract(D))
            class E(D):
                def foo(self): pass
            self.assertEqual(E.__abstractmethods__, set())
            E()  # now foo is concrete, too
            self.assertFalse(isabstract(E))
            class F(E):
                @abstractthing
                def bar(self): pass  # abstract override of concrete
            self.assertEqual(F.__abstractmethods__, {"bar"})
            self.assertRaises(TypeError, F)  # because bar is abstract now
            self.assertTrue(isabstract(F))
Example #5
Source File: test_abc.py    From ironpython3 with Apache License 2.0 5 votes vote down vote up 
def test_abstractmethod_integration(self):
        for abstractthing in [abc.abstractmethod, abc.abstractproperty,
                              abc.abstractclassmethod,
                              abc.abstractstaticmethod]:
            class C(metaclass=abc.ABCMeta):
                @abstractthing
                def foo(self): pass  # abstract
                def bar(self): pass  # concrete
            self.assertEqual(C.__abstractmethods__, {"foo"})
            self.assertRaises(TypeError, C)  # because foo is abstract
            self.assertTrue(isabstract(C))
            class D(C):
                def bar(self): pass  # concrete override of concrete
            self.assertEqual(D.__abstractmethods__, {"foo"})
            self.assertRaises(TypeError, D)  # because foo is still abstract
            self.assertTrue(isabstract(D))
            class E(D):
                def foo(self): pass
            self.assertEqual(E.__abstractmethods__, set())
            E()  # now foo is concrete, too
            self.assertFalse(isabstract(E))
            class F(E):
                @abstractthing
                def bar(self): pass  # abstract override of concrete
            self.assertEqual(F.__abstractmethods__, {"bar"})
            self.assertRaises(TypeError, F)  # because bar is abstract now
            self.assertTrue(isabstract(F))
Example #6
Source File: py3_interop.py    From trains with Apache License 2.0 5 votes vote down vote up 
def __init__(self, callable):
            callable.__isabstractmethod__ = True
            super(abstractclassmethod, self).__init__(callable)
Example #7
Source File: test_abc.py    From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 5 votes vote down vote up 
def test_abstractmethod_integration(self):
        for abstractthing in [abc.abstractmethod, abc.abstractproperty,
                              abc.abstractclassmethod,
                              abc.abstractstaticmethod]:
            class C(metaclass=abc.ABCMeta):
                @abstractthing
                def foo(self): pass  # abstract
                def bar(self): pass  # concrete
            self.assertEqual(C.__abstractmethods__, {"foo"})
            self.assertRaises(TypeError, C)  # because foo is abstract
            self.assertTrue(isabstract(C))
            class D(C):
                def bar(self): pass  # concrete override of concrete
            self.assertEqual(D.__abstractmethods__, {"foo"})
            self.assertRaises(TypeError, D)  # because foo is still abstract
            self.assertTrue(isabstract(D))
            class E(D):
                def foo(self): pass
            self.assertEqual(E.__abstractmethods__, set())
            E()  # now foo is concrete, too
            self.assertFalse(isabstract(E))
            class F(E):
                @abstractthing
                def bar(self): pass  # abstract override of concrete
            self.assertEqual(F.__abstractmethods__, {"bar"})
            self.assertRaises(TypeError, F)  # because bar is abstract now
            self.assertTrue(isabstract(F))