File: test_selftype.py

package info (click to toggle)
python3.14 3.14.0~rc1-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 126,824 kB
  • sloc: python: 745,274; ansic: 713,752; xml: 31,250; sh: 5,822; cpp: 4,063; makefile: 1,988; objc: 787; lisp: 502; javascript: 136; asm: 75; csh: 12
file content (13 lines) | stat: -rw-r--r-- 293 bytes parent folder | download | duplicates (15) 
1
2
3
4
5
6
7
8
9
10
11
12
13
 
# Reference cycles involving only the ob_type field are rather uncommon
# but possible.  Inspired by SF bug 1469629.

import gc

def leak():
    class T(type):
        pass
    class U(type, metaclass=T):
        pass
    U.__class__ = U
    del U
    gc.collect(); gc.collect(); gc.collect()