#12357: Make groupoids garbage collectable
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Reporter: SimonKing | Owner: rlm
Type: defect | Status: needs_work
Priority: major | Milestone: sage-pending
Component: memleak | Resolution:
Keywords: groupoid cache Cernay2012 | Work issues:
Report Upstream: N/A | Reviewers: Jean-Pierre
Flori
Authors: Simon King | Merged in:
Dependencies: #715, #11521, #12313, #11943 | Stopgaps:
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Comment (by SimonKing):
Apart from changing the test, I'd like to change something more. Namely,
it is stated that `UniqueRepresentation` is using cached_function - but
that is wrong by #12215, which is a dependency of this ticket.
The main idea of storing the groupoid of P as an attribute of P is to
avoid creating an external strong reference on the groupoid. But that
would not be the case, when using a weak_cached_function for caching.
Hence, it could actually be that #12215 already fixes what is attempted
here! I'll test that.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12357#comment:27>
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