def test_get_type_deep(self): self.assertEqual(List[List[int]], get_type([[1, 2], [3]])) self.assertEqual(List[List[object]], get_type([[1, 2], ['3']])) deep = [[[1, 2]], [[3]], [[4], [5, '6']]] self.assertEqual(List[List[List[object]]], get_type(deep)) self.assertEqual(Dict[str, List[List[List[object]]]], get_type({'a': deep}))
def like(obj: Any, exclude_privates: bool = True) -> 'Something': """ Return a ``Something`` for the given ``obj``. :param obj: the object of which a ``Something`` is to be made. :param exclude_privates: if ``True``, private variables are excluded. :return: a ``Something`` that corresponds to ``obj``. """ signature = {attr: get_type(getattr(obj, attr)) for attr in dir(obj) if not exclude_privates or not attr.startswith('_')} return Something[signature]
def __getitem__(self, item: Any) -> Any: """ Return the value of the first encounter of a key for which ``is_instance(item, key)`` holds ``True``. :param item: any item. :return: the value of which the type corresponds with item. """ item_type = get_type(item, use_union=True) for key, value in self.items(): if subclass_of(item_type, key): return value raise KeyError('No match for {}'.format(item))
def test_get_type_callable(self): def func1(x: int, y: str) -> object: pass def func2() -> int: pass def func3(x: int): pass def func4(): pass def func5(x): pass def func6(l: List[List[List[int]]]): pass self.assertEqual(Callable[[int, str], object], get_type((func1))) self.assertEqual(Callable[[], int], get_type(func2)) self.assertEqual(Callable[[int], NoneType], get_type(func3)) self.assertEqual(Callable, get_type(func4)) self.assertEqual(Callable[[Any], NoneType], get_type(func5)) self.assertEqual(Callable[[List[List[List[int]]]], NoneType], get_type(func6))
def test_get_type_some_class(self): class SomeRandomClass: pass self.assertEqual(SomeRandomClass, get_type(SomeRandomClass()))
def test_get_type_type(self): self.assertEqual(Type[int], get_type(int))
def test_get_type_list(self): self.assertEqual(List[int], get_type([1, 2, 3])) self.assertEqual(List[object], get_type([1, 2, '3'])) self.assertEqual(List[Unknown], get_type([]))
def test_get_type_lambda(self): self.assertEqual(Callable[[Unknown, Unknown], Unknown], get_type(lambda x, y: 42)) self.assertEqual(Callable[[], Unknown], get_type(lambda: 42))
def test_get_type_async(self): async def func(x: int) -> str: return '42' self.assertEqual(Callable[[int], Awaitable[str]], get_type(func))
def test_get_type_tuple(self): self.assertEqual(Tuple[int, int, int], get_type((1, 2, 3))) self.assertEqual(Tuple[int, str, str], get_type((1, '2', '3')))
def test_get_type_dict(self): self.assertEqual(Dict[str, int], get_type({'a': 1, 'b': 2})) self.assertEqual(Dict[int, object], get_type({1: 'a', 2: 2})) self.assertEqual(Dict[Unknown, Unknown], get_type({}))
def test_get_type_set(self): self.assertEqual(Set[int], get_type({1, 2, 3})) self.assertEqual(Set[object], get_type({1, 2, '3'})) self.assertEqual(Set[Unknown], get_type(set([])))