# coding: utf-8 from __future__ import unicode_literals import re class LazyLoadExtractor(object): _module = None @classmethod def ie_key(cls): return cls.__name__[:-2] def __new__(cls, *args, **kwargs): mod = __import__(cls._module, fromlist=(cls.__name__,)) real_cls = getattr(mod, cls.__name__) instance = real_cls.__new__(real_cls) instance.__init__(*args, **kwargs) return instance