jsons.serializers.default_primitive.default_primitive_serializer() - Code Metrics - ramonhagenaars/jsons - Measure and Improve Code Quality continuously with Scrutinizer

default_primitive_serializer() B
last analyzed 2022-06-09 19:52 UTC

↳ Parent: jsons.serializers.default_primitive

Complexity

Conditions

Size

Total Lines	22
Code Lines	14

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
eloc	14
dl	0
loc	22
rs	8.6666
c	0
b	0
f	0
cc	6
nop	3

from typing import Optional, Any, NewType

from jsons.exceptions import SerializationError


def default_primitive_serializer(obj: object,
                                 cls: Optional[type] = None,
                                 **kwargs) -> object:
    """
    Serialize a primitive; simply return the given ``obj``.
    :param obj: the primitive.
    :param cls: the type of ``obj``.
    :return: ``obj``.
    """
    result = obj

    cls_ = cls
    if _is_newtype(cls):
        cls_ = cls.__supertype__

    if cls_ and obj is not None and not isinstance(obj, cls_):
        try:
            result = cls_(obj)
        except ValueError as err:
            raise SerializationError('Could not cast "{}" into "{}"'
                                     .format(obj, cls_.__name__)) from err
    return result


def _is_newtype(cls: Any) -> bool:
    try:
        # isinstance(cls, NewType) only works as of Python3.10.
        result = isinstance(cls, NewType)
    except TypeError:
        result = hasattr(cls, '__supertype__')
    return result


1			from typing import Optional, Any, NewType
2
3			from jsons.exceptions import SerializationError
4
5
6			def default_primitive_serializer(obj: object,
7			cls: Optional[type] = None,
8			**kwargs) -> object:
9			"""
10			Serialize a primitive; simply return the given ``obj``.
11			:param obj: the primitive.
12			:param cls: the type of ``obj``.
13			:return: ``obj``.
14			"""
15			result = obj
16
17			cls_ = cls
18			if _is_newtype(cls):
19			cls_ = cls.__supertype__
20
21			if cls_ and obj is not None and not isinstance(obj, cls_):
22			try:
23			result = cls_(obj)
24			except ValueError as err:
25			raise SerializationError('Could not cast "{}" into "{}"'
26			.format(obj, cls_.__name__)) from err
27			return result
28
29
30			def _is_newtype(cls: Any) -> bool:
31			try:
32			# isinstance(cls, NewType) only works as of Python3.10.
33			result = isinstance(cls, NewType)
34			except TypeError:
35			result = hasattr(cls, '__supertype__')
36			return result
37

ramonhagenaars / jsons

default_primitive_serializer() B last analyzed 2022-06-09 19:52 UTC

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default_primitive_serializer() B
last analyzed 2022-06-09 19:52 UTC