#11943: The category graph should comply with Python's method resolution order
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Reporter: SimonKing | Owner: nthiery
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-4.7.3
Component: categories | Keywords: category graph, method resolution
order
Work_issues: | Upstream: N/A
Reviewer: | Author: Simon King
Merged: | Dependencies: #11900
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Comment(by nthiery):
Replying to [comment:1 SimonKing]:
> With the new test, I found a bug in algebra_ideals:
> The problem is that the super categories of the category of algebra
ideals should be the category of algebra modules. However, while the
former accepts non-commutative algebras, the latter wants to see
commutative algebras.
> The clean way to proceed would be: Make algebra modules work over non-
commutative rings. If that is too much of work, C.super_categories()
should be `[]` if C is the category of algebra ideals over a non-
commutative rings.
+1. Actually my patch on #10963 is adding a TODO about it :-)
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11943#comment:3>
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