_compat.py 文件源码

def __import__(name, globals={}, locals={}, fromlist=[], level=-1):
        """Compatibility definition for Python 2.4.

        Silently ignore the `level` argument missing in Python < 2.5.
        """
        # we need the level arg because the default changed in Python 3.3
        return __builtin__.__import__(name, globals, locals, fromlist)