[Adding Raymond to the thread, since he doesn't always follow the lists closely.]
On Tue, Oct 20, 2015 at 8:23 PM, Benjamin Peterson <benja...@python.org> wrote: > > > On Tue, Oct 20, 2015, at 15:57, Antoine Pitrou wrote: > > > > > These leaks have been here a while. Anyone know the cause? > > > > > > On Tue, 20 Oct 2015 at 01:47 <solipsis at pitrou.net> wrote: > > > > > >> results for d7e490db8d54 on branch "default" > > >> -------------------------------------------- > > >> > > >> test_capi leaked [5411, 5411, 5411] references, sum=16233 > > >> test_capi leaked [1421, 1423, 1423] memory blocks, sum=4267 > > >> test_functools leaked [0, 2, 2] memory blocks, sum=4 > > >> test_threading leaked [10820, 10820, 10820] references, sum=32460 > > >> test_threading leaked [2842, 2844, 2844] memory blocks, sum=8530 > > > > Bisection shows they were probably introduced by: > > > > changeset: 97413:dccc4e63aef5 > > user: Raymond Hettinger <pyt...@rcn.com> > > date: Sun Aug 16 19:43:34 2015 -0700 > > files: Doc/library/operator.rst Doc/whatsnew/3.6.rst > > Lib/operator.py Lib/test/test_operator.py > > description: > > Issue #24379: Add operator.subscript() as a convenience for building > > slices. > > > > > > If you comment out `@object.__new__` on line 411 in operator.py, or if > > you remove the __slots__ assignment (which is a bit worrying), the leak > > seems suppressed. > > The problem is that the "subscript" class is not a GC type, but > participates in a cycle through its type. I suspect it's type to force > all heap types to have GC. Armin Rigo found previous examples where this > special case caused problems, and I don't see what it buys anyway. > _______________________________________________ > Python-Dev mailing list > Python-Dev@python.org > https://mail.python.org/mailman/listinfo/python-dev > Unsubscribe: > https://mail.python.org/mailman/options/python-dev/guido%40python.org > -- --Guido van Rossum (python.org/~guido)
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