dl l <ldlch...@gmail.com> writes:
> I understood call PyGC_collect to release object cycles. But in my python
> test code, seems there is NO reference cycle on the Simple object in the
> python test code. Why needs to call PyGC_Collect() here?
>
> =========================================================
>
> class Simple:
> def __init__( self ):
> print('Simple__init__')
> def __del__( self ):
> print('Simple__del__')
>
> simple = None
>
> def run():
> global simple
> simple = Simple()
>
> if __name__ == '__main__':
> run()
I do not see a cycle in this example. Thus, maybe, Python itself
has introduced one (maybe via "__builtins__").
To further analyse the case, I would start by checking the "gc" module's
documentation to find out, whether it provides a way to get information
about the cycles it has found (and would have deleted if it had
not generated references for this analysis).
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