[IronPython] [Python-Dev] Exception for setting attributes of built-in type

Dino Viehland dinov at microsoft.com
Mon Jun 15 17:54:51 CEST 2009


Guido wrote:
> I should add that this policy is also forced somewhat by the existence
> of the "multiple interpreters in one address space" feature, which is
> used e.g. by mod_python. This feature attempts to provide isolation
> between interpreters to the point that each one can have a completely
> different set of modules loaded and can be working on a totally
> different application. The implementation of CPython shares built-in
> types between multiple interpreters (and it wouldn't be easy to change
> this); if you were able to modify a built-in type from one
> interpreter, all other interpreters would see that same modification.

IronPython is in the exact same boat here - we share built-in types
Across multiple Python engines as well.





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