[Python-ideas] __builtins__ behavior and... the FUTURE!

[Greg Ewing]

Guido van Rossum wrote:
> The semantics of __builtins__ are an implementation detail used for
> sandboxing, and assignment to __builtins__ is not supported.

Perhaps in 3.0 there could be an additional argument to
eval and exec for supplying a builtin namespace? Then
sandboxing code wouldn't have to make assumptions about
the implementation, and the way would be open for
optimising it in any way we wanted.

--
Greg