我们从Python开源项目中，提取了以下50个代码示例，用于说明如何使用copy.Error()。
def copy(x): """Shallow copy operation on arbitrary Python objects. See the module's __doc__ string for more info. """ cls = type(x) copier = _copy_dispatch.get(cls) if copier: return copier(x) try: issc = issubclass(cls, type) except TypeError: # cls is not a class issc = False if issc: # treat it as a regular class: return _copy_immutable(x) copier = getattr(cls, "__copy__", None) if copier: return copier(x) reductor = dispatch_table.get(cls) if reductor: rv = reductor(x) else: reductor = getattr(x, "__reduce_ex__", None) if reductor: rv = reductor(4) else: reductor = getattr(x, "__reduce__", None) if reductor: rv = reductor() else: raise Error("un(shallow)copyable object of type %s" % cls) if isinstance(rv, str): return x return _reconstruct(x, None, *rv)
def copy(x): """Shallow copy operation on arbitrary Python objects. See the module's __doc__ string for more info. """ cls = type(x) copier = _copy_dispatch.get(cls) if copier: return copier(x) copier = getattr(cls, "__copy__", None) if copier: return copier(x) reductor = dispatch_table.get(cls) if reductor: rv = reductor(x) else: reductor = getattr(x, "__reduce_ex__", None) if reductor: rv = reductor(2) else: reductor = getattr(x, "__reduce__", None) if reductor: rv = reductor() else: raise Error("un(shallow)copyable object of type %s" % cls) return _reconstruct(x, rv, 0)
def test_exceptions(self): self.assertTrue(copy.Error is copy.error) self.assertTrue(issubclass(copy.Error, Exception)) # The copy() method
def test_copy_cant(self): class C(object): def __getattribute__(self, name): if name.startswith("__reduce"): raise AttributeError(name) return object.__getattribute__(self, name) x = C() self.assertRaises(copy.Error, copy.copy, x) # Type-specific _copy_xxx() methods
def test_deepcopy_cant(self): class C(object): def __getattribute__(self, name): if name.startswith("__reduce"): raise AttributeError(name) return object.__getattribute__(self, name) x = C() self.assertRaises(copy.Error, copy.deepcopy, x) # Type-specific _deepcopy_xxx() methods
def copy(x): """Shallow copy operation on arbitrary Python objects. See the module's __doc__ string for more info. """ cls = type(x) copier = _copy_dispatch.get(cls) if copier: return copier(x) try: issc = issubclass(cls, type) except TypeError: # cls is not a class issc = False if issc: # treat it as a regular class: return _copy_immutable(x) copier = getattr(cls, "__copy__", None) if copier: return copier(x) reductor = dispatch_table.get(cls) if reductor: rv = reductor(x) else: reductor = getattr(x, "__reduce_ex__", None) if reductor: rv = reductor(4) else: reductor = getattr(x, "__reduce__", None) if reductor: rv = reductor() else: raise Error("un(shallow)copyable object of type %s" % cls) return _reconstruct(x, rv, 0)
def test_copy_cant(self): class C(object): def __getattribute__(self, name): if name.startswith("__reduce"): raise AttributeError, name return object.__getattribute__(self, name) x = C() self.assertRaises(copy.Error, copy.copy, x) # Type-specific _copy_xxx() methods
def test_deepcopy_cant(self): class C(object): def __getattribute__(self, name): if name.startswith("__reduce"): raise AttributeError, name return object.__getattribute__(self, name) x = C() self.assertRaises(copy.Error, copy.deepcopy, x) # Type-specific _deepcopy_xxx() methods
def test_infix_binops(self): for ia, a in enumerate(candidates): for ib, b in enumerate(candidates): results = infix_results[(ia, ib)] for op, res, ires in zip(infix_binops, results[0], results[1]): if res is TE: self.assertRaises(TypeError, eval, 'a %s b' % op, {'a': a, 'b': b}) else: self.assertEqual(format_result(res), format_result(eval('a %s b' % op)), '%s %s %s == %s failed' % (a, op, b, res)) try: z = copy.copy(a) except copy.Error: z = a # assume it has no inplace ops if ires is TE: try: exec 'z %s= b' % op except TypeError: pass else: self.fail("TypeError not raised") else: exec('z %s= b' % op) self.assertEqual(ires, z)
def test_exceptions(self): self.assertIs(copy.Error, copy.error) self.assertTrue(issubclass(copy.Error, Exception)) # The copy() method
def copy(x): """Shallow copy operation on arbitrary Python objects. See the module's __doc__ string for more info. """ cls = type(x) copier = _copy_dispatch.get(cls) if copier: return copier(x) try: issc = issubclass(cls, type) except TypeError: # cls is not a class issc = False if issc: # treat it as a regular class: return _copy_immutable(x) copier = getattr(cls, "__copy__", None) if copier: return copier(x) reductor = dispatch_table.get(cls) if reductor: rv = reductor(x) else: reductor = getattr(x, "__reduce_ex__", None) if reductor: rv = reductor(2) else: reductor = getattr(x, "__reduce__", None) if reductor: rv = reductor() else: raise Error("un(shallow)copyable object of type %s" % cls) return _reconstruct(x, rv, 0)
