bug#20889: Tkinter moved to separate output

[ludo@gnu.org (Ludovic Courtès)]

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Federico Beffa <beffa@ieee.org> skribis:

> On Mon, Nov 16, 2015 at 1:57 PM, Ludovic Courtès <ludo@gnu.org> wrote:
>> Federico Beffa <beffa@ieee.org> skribis:
>>> Yes, given that the back-end currently used by matploblib doesn't
>>> work, I would change that by using 'Tkinter'.
>>>
>>> Since you are at it, I would also change the default back-end by
>>> changing 'GTK3Agg' to 'TkAgg' in the following snippet:
>>>
>>> (lambda (port)
>>>   (format port "[rc_options]~%
>>> backend = GTK3Agg~%")))))
>>
>> OTOH I see that Matploblib already depends on GTK+ 3.x and
>> python-pygobject, so maybe it’s best to stick to GTK+ by default?
>
> Unfortunately, the back-ends based on GTK+ are broken and I didn't
> manage to find how to fix the problem.
> http://debbugs.gnu.org/cgi/bugreport.cgi?bug=20888
>
> That's why I'm looking forward to get Tkinter :-)

Could you or someone else test this patch on current master?

Thanks in advance!

Ludo’.


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diff --git a/gnu/packages/python.scm b/gnu/packages/python.scm
index 39d0751..76bda96 100644
--- a/gnu/packages/python.scm
+++ b/gnu/packages/python.scm
@@ -3190,6 +3190,7 @@ transcendental functions).")
      `(("python-pyparsing" ,python-pyparsing)
        ("python-pygobject" ,python-pygobject)
        ("gobject-introspection" ,gobject-introspection)
+       ("python-tkinter" ,python "tk")
        ;; The 'gtk+' package (and 'gdk-pixbuf', 'atk' and 'pango' propagated
        ;; from 'gtk+') provides the required 'typelib' files used by
        ;; 'gobject-introspection'. The location of these files is set with the
@@ -3244,7 +3245,7 @@ transcendental functions).")
             (call-with-output-file "setup.cfg"
               (lambda (port)
                 (format port "[rc_options]~%
-backend = GTK3Agg~%")))))
+backend = TkAgg~%")))))
         (alist-cons-after
          'install 'install-doc
          (lambda* (#:key outputs #:allow-other-keys)