#16275: Hom: introduce a check argument to simplify the unpickling detection
logic
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Reporter: nthiery | Owner:
Type: enhancement | Status: new
Priority: major | Milestone: sage-6.2
Component: categories | Resolution:
Keywords: homset, pickling | Merged in:
Authors: Nicolas M. Thiéry | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/nthiery/hom__introduce_a_check_argument_to_simplify_the_unpickling_detection_logic|
ae3ca8080a8412891722695d1e24e1dfe374d787
Dependencies: | Stopgaps:
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Comment (by SimonKing):
Replying to [comment:16 nthiery]:
> One thing: `domain not in category` will possibly call
> `domain.category()` with the caveats that were mentioned on #14793.
Indeed, that's part of the problem with the broken pickle
:attachment:broken_pickle.sobj
> As to how important it is to actually do something about this: what's
> the time period during which pickles may have been created that can't
> be unpickled with the check=False approach?
No idea. But ''if'' we find a way to unpickle the broken pickle without
slowing down the mainline, then I'd say we should provide it.
--
Ticket URL: <http://trac.sagemath.org/ticket/16275#comment:18>
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