def _asdict(obj: Any) -> Any:
"""
Helper for ItemAdapter.asdict
"""
if isinstance(obj, dict):
return {key: _asdict(value) for key, value in obj.items()}
elif isinstance(obj, (list, set, tuple)):
return obj.__class__(_asdict(x) for x in obj)
elif isinstance(obj, ItemAdapter):
return obj.asdict()
elif is_item(obj):
return ItemAdapter(obj).asdict()
else:
return obj
def test_true_pydantic(self):
self.assertTrue(is_item(PydanticModel(name="asdf", value=1234)))
self.assertTrue(ItemAdapter.is_item_class(PydanticModel))
def test_true_attrs(self):
self.assertTrue(is_item(AttrsItem(name="asdf", value=1234)))
self.assertTrue(ItemAdapter.is_item_class(AttrsItem))
def test_true_dataclass(self):
self.assertTrue(is_item(DataClassItem(name="asdf", value=1234)))
self.assertTrue(ItemAdapter.is_item_class(DataClassItem))
def test_true_scrapy(self):
self.assertTrue(is_item(ScrapyItem()))
self.assertTrue(is_item(ScrapySubclassedItem(name="asdf", value=1234)))
self.assertTrue(ItemAdapter.is_item_class(ScrapyItem))
self.assertTrue(ItemAdapter.is_item_class(ScrapySubclassedItem))
def test_true_dict(self):
self.assertTrue(is_item({"a": "dict"}))
self.assertTrue(ItemAdapter.is_item_class(dict))
def test_false(self):
self.assertFalse(is_item(int))
self.assertFalse(is_item(sum))
self.assertFalse(is_item(1234))
self.assertFalse(is_item(object()))
self.assertFalse(is_item("a string"))
self.assertFalse(is_item(b"some bytes"))
self.assertFalse(is_item(["a", "list"]))
self.assertFalse(is_item(("a", "tuple")))
self.assertFalse(is_item({"a", "set"}))
self.assertFalse(is_item(dict))
self.assertFalse(is_item(ScrapyItem))
self.assertFalse(is_item(DataClassItem))
self.assertFalse(is_item(ScrapySubclassedItem))
self.assertFalse(is_item(AttrsItem))
self.assertFalse(is_item(PydanticModel))
self.assertFalse(ItemAdapter.is_item_class(list))
self.assertFalse(ItemAdapter.is_item_class(int))
self.assertFalse(ItemAdapter.is_item_class(tuple))
def test_true_attrs(self):
self.assertTrue(is_item(AttrsItem(name="asdf", value=1234)))
def test_true_dict(self):
self.assertTrue(is_item({"a": "dict"}))