Function __new__ has a Cognitive Complexity of 23 (exceeds 5 allowed). Consider refactoring.

Open

    def __new__(mcs, name, bases, namespace, **kwargs):
        if kwargs.get('__base_definition__', False):
            kwargs.pop('__base_definition__')
            mcs.__root__ = super().__new__(mcs, name, bases, namespace, **kwargs)
            return mcs.__root__

• Read up
  Read up

Function _transform_to_class_methods has a Cognitive Complexity of 23 (exceeds 5 allowed). Consider refactoring.

Open

def _transform_to_class_methods(cls):
    metaclass = type(cls)
    mro = inspect.getmro(cls)
    ignore = {'__class__', '__dict__', '__bases__', '__name__', '__qualname__',
              '__mro__', '__subclasses__', '__init_subclass__', '__subclasshook__',

• Read up
  Read up

Function type_field has a Cognitive Complexity of 17 (exceeds 5 allowed). Consider refactoring.

Open

def type_field(field_name, position: Position = Position.INSIDE, allow_reregistration=False):
    """Class decorator for polymorphic hierarchies to define class field name, where subclass's type alias will be stored
    Use it on hierarchy root class, add class field  with defined name to any subclasses
    The same field name will be used during deserialization

• Read up
  Read up

Function deserialize has a Cognitive Complexity of 16 (exceeds 5 allowed). Consider refactoring.

Open

def deserialize(obj, as_class: SerializerType):
    """Convert python dict into given class

    :param obj: dict (or list or any primitive) to deserialize
    :param as_class: type or serializer

• Read up
  Read up

Function make_string has a Cognitive Complexity of 11 (exceeds 5 allowed). Consider refactoring.

Open

def make_string(*fields: str, include_name=True):
    """
    Decorator to create a `__str__` method for class based on `__init__` arguments

    Usage: directly :func:`@make_string` on class declaration to include all fields

• Read up
  Read up

Function _construct_from_dict has a Cognitive Complexity of 10 (exceeds 5 allowed). Consider refactoring.

Open

def _construct_from_dict(obj, as_class):
    kwargs = {}
    for f in get_class_fields(as_class):
        name = f.name
        field_type = _get_field_type(f, obj)

• Read up
  Read up

Function serialize has a Cognitive Complexity of 10 (exceeds 5 allowed). Consider refactoring.

Open

def serialize(obj, as_class: SerializerType = None):
    """
    Convert object into JSON-compatible dict (or other  structure)

    :param obj: object to serialize

• Read up
  Read up

Function _get_defining_class has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

def _get_defining_class(cls, method, method_name=None, mro=None, stop_class=None):
    mro = mro or inspect.getmro(cls)
    method_name = method_name or method.__name__
    for parent in mro:
        m = parent.__dict__.get(method_name)

• Read up
  Read up

Function _serialize_to_dict has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

def _serialize_to_dict(cls, obj):
    result = {}
    fields = get_class_fields(cls)
    for f in fields:
        name = f.name

• Read up
  Read up

Function _construct_from_list has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

def _construct_from_list(obj, as_class):
    args = []
    if type_field_position_is(as_class, Position.INSIDE):
        obj = obj[1:]
    for i, f in enumerate(get_class_fields(as_class)):

• Read up
  Read up

Function get_type_name_repr has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

Open

def get_type_name_repr(cls):
    if is_generic(cls):
        typename = getattr(cls, '_name', str(cls.__origin__))
        if typename.startswith('typing.'):
            typename = typename[len('typing.'):]

• Read up
  Read up

Function _argspec_to_fields has 5 arguments (exceeds 4 allowed). Consider refactoring.

Open

def _argspec_to_fields(f, arguments, defaults, hints, types_required=True) -> typing.List[Field]:

Function _get_defining_class has 5 arguments (exceeds 4 allowed). Consider refactoring.

Open

def _get_defining_class(cls, method, method_name=None, mro=None, stop_class=None):

Function _construct_object has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.

Open

def _construct_object(obj, as_class: Type):
    if isinstance(as_class, Hashable) and as_class in SERIALIZER_MAPPING:
        as_class = SERIALIZER_MAPPING[as_class]

    if issubclass(as_class, StaticSerializer):

• Read up
  Read up

Function _argspec_to_fields has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.

Open

def _argspec_to_fields(f, arguments, defaults, hints, types_required=True) -> typing.List[Field]:
    defaults_num = len(defaults) if defaults is not None else 0
    non_defaults_num = len(arguments) - defaults_num
    fields = []
    for i, arg in enumerate(arguments):

• Read up
  Read up

Avoid too many return statements within this function.

Open

    return _serialize_as_type(obj, as_class)

Avoid too many return statements within this function.

Open

            return seq_type([deserialize(o, seq_int_type) for o in obj])

Function __new__ has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.

Open

    def __new__(cls, **kwargs):
        has_init = issubclass(_get_defining_class(cls, cls.__init__), Serializer)
        if getattr(cls, '_dynamic', False):
            if has_init:
                cls.__init__(cls, **kwargs)

• Read up
  Read up