converters.py 文件源码

def structure_attrs_fromdict(self, obj, cl):
        # type: (Mapping, Type) -> Any
        """Instantiate an attrs class from a mapping (dict)."""
        # For public use.
        conv_obj = obj.copy()  # Dict of converted parameters.
        for a in cl.__attrs_attrs__:
            name = a.name
            # We detect the type by metadata.
            converted = self._structure_attr_from_dict(a, name, obj)
            if converted is not NOTHING:
                conv_obj[name] = converted

        return cl(**conv_obj)