#10667: Morphisms and Objects of Categories
---------------------------+------------------------------------------------
Reporter: SimonKing | Owner: nthiery
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-5.0
Component: categories | Keywords: objects morphisms containment
Work_issues: doctests | Upstream: N/A
Reviewer: | Author: Simon King
Merged: | Dependencies: #9138, #11115
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Comment(by SimonKing):
Replying to [comment:30 nthiery]:
> So ... Do you see a temporary quick fix to have #10667 work for the
> moment, before we go on to #10668?
I don't know yet. I am still walking my way accross the mine field of
doctest errors. For example, the idea to provide a lazy attribute dynamic
class for `HomCategory` is simply a means to enable
{{{
sage: R = QQ['z0','z1','z2','z3']
sage: R.hom(R.gens())
Ring endomorphism of Multivariate Polynomial Ring in z0, z1, z2, z3 over
Rational Field
Defn: z0 |--> z0
z1 |--> z1
z2 |--> z2
z3 |--> z3
}}}
That easy example would have failed in the previous version of my patch.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10667#comment:35>
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