Armin Rigo writes:

I am pretty sure that some extension modules would badly crash if arbitrary Python code would be allowed to temper with the data that they store there.

We're all consenting adults here. Tampering with the private data of an extension module is a well-known way to crash Python. -- Michael Chermside This email may contain confidential or privileged information. If you believe you have received the message in error, please notify the sender and delete the message without copying or disclosing it.