[Python-Dev] Challenge: Please break this! (was: Reviving restricted mode) (original) (raw)
Guido van Rossum guido at python.org
Tue Feb 24 01:19:37 CET 2009
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On Mon, Feb 23, 2009 at 4:06 PM, Victor Stinner <victor.stinner at haypocalc.com> wrote:
Le Tuesday 24 February 2009 00:51:25 Farshid Lashkari, vous avez écrit :
It seems like some code in safelite passes a file object to isinstance. By overriding the builtin isinstance function I can get access to the original file object and create a new one. Wow, excellent idea!
I think in the next version Tav will have to stop the sharing of builtins between the supervisor and the sandboxed code. There are too many tricks you can play with this.
-- --Guido van Rossum (home page: http://www.python.org/~guido/)
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