#12313: Fix yet another memory leak caused by caching of coercion data
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Reporter: SimonKing | Owner:
Type: defect | Status:
needs_review
Priority: major | Milestone: sage-5.3
Component: memleak | Resolution:
Keywords: coercion weak dictionary | Work issues:
Report Upstream: N/A | Reviewers: Simon King,
Jean-Pierre Flori, John Perry
Authors: Simon King, Jean-Pierre Flori | Merged in:
Dependencies: #11521, #11599, #12969, #12215 | Stopgaps:
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Comment (by SimonKing):
Would it help to explicitly delete (or explicitly clear) the "bad" weak
dictionaries?
If it does, one could proceed as follows:
* Introduce a function that returns (usual) weak key dictionaries, and
stores a (weak?) reference to all the weak key dictionaries it creates.
* In sage_quit, explicitly delete (or clear) all the weak key
dictionaries in store.
Your suggestion to create a new a safe weak key dictionary sounds like
much work to me...
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12313#comment:218>
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