maybe what you need is to write a _sage_input_ method for those objects, 
>

For multivariate polynomials see https://trac.sagemath.org/ticket/25723. I 
haven't posted for review yet as there seem to be some seemingly unrelated 
failing doc-tests. Will look into these when I have some  time tonight.
 

> I agree that it would be amazing to have every _repr_ be copy-pastable, 
>

Gap does, or at least did, aim to do this. 
 

> but then how do you want to render simple things like QQbar(1) without 
> being heavy ? 
>
 
QQbar is less heavy than the the current "Algebraic Field".

>
> By the way, there is already: 
>
> sage: sage_input(PolynomialRing(GF(5), 'q')) 
> GF(5)['q'] 
>

Thank you! I did not know about sage_input or that this input for 
polynomial rings was accepted. The point of my post is that in many cases 
the output of sage_input would be a better _repr_.

Andrew

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