def get(self, obj_type, parent_class, name_in_parent) -> Parser:
if obj_type in BASIC_TYPES:
return BasicParserWithCast(obj_type)
if obj_type in EXTRA_TYPES:
return BasicParser()
if obj_type in DATE_TYPES:
return DateParser(parent_class, obj_type)
if obj_type is Decimal:
return DecimalParser()
if type(obj_type) is str or type(obj_type) is ForwardRef:
return UnresolvedParser(TypeProvider(parent_class, obj_type),
self.model_provider)
if obj_type is list:
type_info = get_cls_attr(parent_class, PYCKSON_TYPEINFO, dict())
if name_in_parent in type_info:
sub_type = type_info[name_in_parent]
return ListParser(
self.get(sub_type, parent_class, name_in_parent))
else:
raise TypeError(
'list parameter {} in class {} has no subType'.format(
name_in_parent, parent_class.__name__))
if obj_type is set:
type_info = get_cls_attr(parent_class, PYCKSON_TYPEINFO, dict())
if name_in_parent in type_info:
sub_type = type_info[name_in_parent]
return SetParser(
self.get(sub_type, parent_class, name_in_parent))
else:
raise TypeError(
'set parameter {} in class {} has no subType'.format(
name_in_parent, parent_class.__name__))
if is_list_annotation(obj_type):
return ListParser(
self.get(obj_type.__args__[0], parent_class, name_in_parent))
if is_set_annotation(obj_type):
return SetParser(
self.get(obj_type.__args__[0], parent_class, name_in_parent))
if is_enum_annotation(obj_type):
options = get_cls_attr(obj_type, PYCKSON_ENUM_OPTIONS, {})
if options.get(ENUM_CASE_INSENSITIVE, False):
return CaseInsensitiveEnumParser(obj_type)
else:
return DefaultEnumParser(obj_type)
if is_basic_dict_annotation(obj_type):
return BasicDictParser()
if is_typing_dict_annotation(obj_type):
if obj_type.__args__[0] != str:
raise TypeError(
'typing.Dict key can only be str in class {}'.format(
parent_class))
return TypingDictParser(
self.get(obj_type.__args__[1], parent_class, name_in_parent))
if has_cls_attr(obj_type, PYCKSON_PARSER):
return CustomDeferredParser(obj_type)
return ClassParser(obj_type, self.model_provider)
class DefaultEnumParserTest(TestCase):
def setUp(self):
self.parser = DefaultEnumParser(MyEnum)
def test_should_parse_value_in_enum(self):
self.assertEqual(self.parser.parse('a'), MyEnum.a)
self.assertEqual(self.parser.parse('A'), MyEnum.A)
self.assertEqual(self.parser.parse('b'), MyEnum.b)
def test_should_not_parse_uppercase_not_in_enum(self):
with self.assertRaises(KeyError):
self.parser.parse('B')
def test_should_not_parse_value_not_in_enum(self):
with self.assertRaises(KeyError):
self.parser.parse('c')
class DefaultEnumParserTest(TestCase):
def setUp(self):
self.parser = DefaultEnumParser(MyEnum)
def test_should_parse_value_in_enum(self):
self.assertEqual(self.parser.parse("a"), MyEnum.a)
self.assertEqual(self.parser.parse("A"), MyEnum.A)
self.assertEqual(self.parser.parse("b"), MyEnum.b)
def test_should_not_parse_uppercase_not_in_enum(self):
with self.assertRaises(KeyError):
self.parser.parse("B")
def test_should_not_parse_value_not_in_enum(self):
with self.assertRaises(KeyError):
self.parser.parse("c")
def setUp(self):
self.parser = DefaultEnumParser(MyEnum)
def setUp(self):
self.parser = DefaultEnumParser(MyEnum)
