#18328: Move ascii art to _ascii_art_
------------------------------+----------------------------
Reporter: vbraun | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-6.7
Component: user interface | Keywords:
Merged in: | Authors:
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
------------------------------+----------------------------
There are probably multiple places where `_repr_()` returns ascii art and
not a string that can be composed with other strings. That then leads to
issues like
{{{
sage: pi.n(100), CartanMatrix("E8~").dynkin_diagram()
(3.1415926535897932384626433833, O 2
|
|
O---O---O---O---O---O---O---O
1 3 4 5 6 7 8 0
E8~)
}}}
The solution should be to move ascii art to the magic `_ascii_art_`
method.
Unfortunately, the IPython commandline defaults to plain text output. So
you either have to switch
{{{
sage: %display ascii_art
}}}
or override `_rich_repr_` to make ascii art the default for your object.
Perhaps the default display preference on the commandline should be
changed to ascii art.
--
Ticket URL: <http://trac.sagemath.org/ticket/18328>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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