+# encoding: 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