framelocalsproxy_new() crash if called with no arguments

[vstinner]

Bug report

Example on Python 3.13.0rc2:

$ python3.13
>>> import sys
>>> FrameLocalsProxy=type([sys._getframe().f_locals for x in range(1)][0])
... 
>>> FrameLocalsProxy()
Erreur de segmentation (core dumped)

The bug was discovered by zope.interface test suite: zopefoundation/zope.interface#323 (comment)

I'm working on a fix.

Linked PRs

• gh-124513: Check args in framelocalsproxy_new() #124515
• [3.13] gh-124513: Check args in framelocalsproxy_new() (GH-124515) #124539

[ZeroIntensity]

Everything is done here, right?

[vstinner]

Everything is done here, right?

Correct, I close the issue.