uncollectible.py 文件源码

def test_it(collectible):

    dd()
    dd('======= ', ('collectible' if collectible else 'uncollectible'), ' object =======')
    dd()

    gc.collect()
    dd('*** init,     nr of referrers: ', len(gc.get_referrers(One)))
    dd('              garbage:         ', gc.garbage)

    one = One(collectible)
    dd('              created:         ', one.typ, ': ', one)
    dd('              nr of referrers: ', len(gc.get_referrers(One)))

    dd('              delete:')
    del one

    gc.collect()

    dd('*** after gc, nr of referrers: ', len(gc.get_referrers(One)))
    dd('              garbage:         ', gc.garbage)