#10963: More functorial constructions
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Reporter: nthiery | Owner: stumpc5
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-6.1
Component: categories | Resolution:
Keywords: days54 | Merged in:
Authors: Nicolas M. Thiéry | Reviewers: Simon King, Frédéric
Report Upstream: N/A | Chapoton
Branch: | Work issues:
public/ticket/10963 | Commit:
Dependencies: #11224, #8327, | bdefe0daeb7a4154a506f5ac69a064b6150f8de6
#10193, #12895, #14516, #14722, | Stopgaps:
#13589, #14471, #15069, #15094, |
#11688, #13394, #15150, #15506 |
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Comment (by nbruin):
Replying to [comment:269 SimonKing]:
> - Do not access the lazy attribute (since this may happen while it is
being computed) when what we want to know is in fact whether the attribute
is in the `__dict__` of the class.
That sounds like it's not going to work correctly if one is inheriting
from a class that has a value for the attribute already. I don't think
it's a good idea to move away from normal attribute lookup semantics in
python.
--
Ticket URL: <http://trac.sagemath.org/ticket/10963#comment:273>
Sage <http://www.sagemath.org>
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