> > $ ./python ../Lib/test/regrtest.py -l test_gc > > test_gc > > Warning: test created 20 uncollectable object(s). > > 1 test OK. [Neil S] > Something weird is going on. This patch fixes test_finalizer_newclass: > > --- Lib/test/test_gc.py 9 Aug 2002 17:38:16 -0000 1.19 > +++ Lib/test/test_gc.py 10 Aug 2002 18:33:47 -0000 > @@ -147,6 +147,8 @@ > else: > raise TestFailed, "didn't find obj in garbage (finalizer)" > gc.garbage.remove(obj) > + del A, B, obj > + gc.collect() # finds 13 objects! > > > I guess there is a reference cycle there that wasn't there before. > Could it have something to do with tp_del? I don't think so -- a Python of a month old had the same warnings when I added these tests that use new-style class. It's much simpler than this: new-style classes have cyclical references to themselves that must be collected. It so happened that the saveall test was fooled by these. Tim checked in a fix that prevents this. --Guido van Rossum (home page: http://www.python.org/~guido/)
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