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| gc: collecting generation 2... | |
| gc: objects in each generation: 13 0 5824 | |
| gc: collectable <B 0x7f8c86b4ec50> | |
| gc: collectable <dict 0x7f8c86b57248> | |
| finalize b <__main__.A object at 0x7f8c86b4ec18> | |
| gc: done, 3 unreachable, 0 uncollectable, 0.0005s elapsed | |
| gc: collecting generation 2... | |
| gc: objects in each generation: 1 0 5831 | |
| gc: done, 0.0005s elapsed | |
| gc: collecting generation 2... | |
| gc: objects in each generation: 1 0 5831 | |
| gc: done, 0.0005s elapsed | |
| gc: collecting generation 2... | |
| gc: objects in each generation: 1 0 5831 | |
| gc: done, 0.0005s elapsed | |
| gc: collecting generation 2... | |
| gc: objects in each generation: 1 0 5831 | |
| gc: done, 0.0005s elapsed | |
| <__main__.B object at 0x7f8c86b4ec50> | |
| [[<__main__.B object at 0x7f8c86b4ec50>, {'a': <__main__.A object at 0x7f8c86b4ec18>, 'b': <__main__.B object at 0x7f8c86b4ec50>}], {'a': <__main__.A object at 0x7f8c86b4ec18>, 'b': <__main__.B object at 0x7f8c86b4ec50>}] | |
| <__main__.A object at 0x7f8c86b4ec18> | |
| [{'a': <__main__.A object at 0x7f8c86b4ec18>, 'b': <__main__.B object at 0x7f8c86b4ec50>}] |
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| import gc | |
| import sys | |
| import weakref | |
| class A: pass | |
| class B: pass | |
| gc.disable() | |
| gc.collect() | |
| gc.set_debug(gc.DEBUG_STATS | gc.DEBUG_LEAK) | |
| a = A() | |
| weakref.finalize(a, print, 'finalize: a', file=sys.stderr).atexit = False | |
| b = B() | |
| b.a = a | |
| b.b = b | |
| weakref.finalize(b, print, 'finalize: b', a, file=sys.stderr).atexit = False | |
| del a | |
| del b | |
| for _ in range(10): gc.collect() | |
| gc.set_debug(0) |
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