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

From: Dino Viehland <din...@microsoft.com>
Mon, 15 Jun 2009 15:54:51 +0000
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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