Magnus Lyckå <ly...@carmen.se> writes: >>>> a = X() >>>> del a > Deleted <__main__.X instance at 0x00CCCF80> >>>> a=X() >>>> b=X() >>>> a.b=b >>>> b.a=a >>>> del a >>>> gc.collect() > 0 >>>> del b >>>> gc.collect() > 4
If your method has a __del__ at all, the automatic cyclic collector is disabled. It detects the cycle, but it only stores the objects in gc.garbage, to give you a chance to do something about them, such as break the cycle(s) yourself. For example: >>> class X(object): ... def __del__(self): ... print 'deleted', self ... >>> a, b = X(), X() >>> a.cycle = b >>> b.cycle = a >>> del a, b >>> import gc >>> gc.collect() 4 >>> gc.garbage [<__main__.X object at 0xb76d84cc>, <__main__.X object at 0xb76d980c>] >>> del gc.garbage[0].cycle >>> del gc.garbage[:] deleted <__main__.X object at 0xb76d980c> deleted <__main__.X object at 0xb76d84cc> -- http://mail.python.org/mailman/listinfo/python-list
