#13394: Write a WeakValueDictionary with safer key removal
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Reporter: nbruin | Owner: rlm
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-5.13
Component: memleak | Resolution:
Keywords: | Merged in:
Authors: Simon King | Reviewers:
Report Upstream: None of the above | Work issues:
- read trac for reasoning. | Commit:
Branch: | fab0ed4112b9f798e2690f4c885b57cd711ea698
u/SimonKing/ticket/13394 | Stopgaps:
Dependencies: |
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Comment (by SimonKing):
Àha, I already found one doctest failure: In `sage -t
src/sage/schemes/elliptic_curves/ell_point.py`, apparently during the
`__classcall__` of a category, my implementation of weak value
dictionaries raises an error.
Actually I think this error is for a good reason. `__setitem__` says:
`RuntimeError: Can not add items while iterating over the dictionary`. Now
I need to verify whether there really is an iteration, and either remove
the undue attempt to assign an item during iteration, or the iteration
guard is incorrectly assuming an iteration.
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Ticket URL: <http://trac.sagemath.org/ticket/13394#comment:38>
Sage <http://www.sagemath.org>
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