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  1. import weakref
  2. import threading
  3.  
  4.  
  5. def do(l):
  6.     l.acquire()
  7.  
  8.  
  9. class A:
  10.     def __init__(self):
  11.         l = threading.Lock()
  12.         l.acquire()
  13.         t = threading.Thread(target=do, args=[l])
  14.         t.start()
  15.  
  16.         weakref.finalize(self, A._finalize, t, l)
  17.  
  18.     @staticmethod
  19.     def _finalize(t, l):
  20.         print("finalizing")
  21.         l.release()
  22.         t.join()
  23.  
  24.  
  25. a = A()
  26. # del a does trigger _finalize though
Time limit exceeded #stdin #stdout 5s 9900KB
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https://ideone.com/kTZsbs
language:
Python 3 (python  3.9.5)
created:
6 years ago
visibility:
public

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