autoprops.py 文件源码

def autoprops_override_decorate(func: Callable, attribute:str = None, is_getter:bool = True) -> Callable:
    """
    Used to decorate a function as an overridden getter or setter, without using the @getter_override or
    @setter_override annotations. If the overridden setter has no @contract, the contract will still be
     dynamically added. Note: this should be executed BEFORE @autoprops or autoprops_decorate().

    :param func: the function on which to execute. Note that it won't be wrapped but simply annotated.
    :param attribute: the attribute name. If None, the function name will be used
    :param is_getter: True for a getter override, False for a setter override.
    :return:
    """

    # Simply annotate the fact that this is a function
    attr_name = attribute or func.__name__
    if is_getter:
        if hasattr(func, __GETTER_OVERRIDE_ANNOTATION):
            raise DuplicateOverrideError('Getter is overridden twice for attribute name : ' + attr_name)
        else:
            func.__getter_override__ = attr_name
    else:
        if hasattr(func, __SETTER_OVERRIDE_ANNOTATION):
            raise DuplicateOverrideError('Setter is overridden twice for attribute name : ' + attr_name)
        else:
            func.__setter_override__ = attr_name

    return func