On 7/7/06, Nick Coghlan <[EMAIL PROTECTED]> wrote:
Brett Cannon wrote:
>  Good point.  C code could circumvent the bit check by doing all of the
> work behind the scenes without pushing the object on the stack.  But if
> the check is in the C code for the object itself it is much harder to
> get around.

C code can circumvent the bit check by calling fopen() directly and pushing
something onto the stack that isn't even recognised by the interpreter as a
file object :)

Right, but you can take measures to prevent accidental circumvention.

You *have* to trust C code completely before importing it, because it has
access to the platform C library and can do whatever the heck it wants.

Yep.

-Brett

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