Created
October 3, 2012 22:28
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Simplistic demonstration of Python GC behaviour
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import gc | |
import weakref | |
class Object(object): pass | |
l = [Object()] | |
l[0].l = l | |
REFS = weakref.WeakKeyDictionary() | |
REFS[l[0]] = True | |
del l | |
print (list(REFS.keys())) | |
gc.collect() | |
print (list(REFS.keys())) |
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Output in both Python 2.6.6 and 3.2: