[Python-Dev] PEP 318: Security use case (original) (raw)

Ka-Ping Yee python-dev at zesty.ca
Tue Mar 30 06:17:26 EST 2004

Here is an additional simple use case you could consider.

def private(cls):
    def instantiate(*args, **kw):
        return cls(*args, **kw)
    return instantiate

class DontTouch [private]:
    ...

Inner scopes are one of the best places to hide things in Python; they are very difficult to get at. (I can't seem to find any special attributes that access the values inside them, and even if there is a way, it would be easy to imagine a restricted execution mode that wouldn't expose them.)

-- ?!ng

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