From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ricardo Wurmus <ricardo.wurmus@mdc-berlin.de>
Subject: Re: python-matplotlib: should it propagate numpy?
Date: Wed, 9 Dec 2015 23:03:16 +0100
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To: Federico Beffa <beffa@ieee.org>
Cc: Guix-devel <guix-devel@gnu.org>


Federico Beffa <beffa@ieee.org> writes:

> I just tried out using matplotlib without numpy and it actually works:

[...]

> Therefore, despite numpy being the standard data crunching base
> format, I don't think we need to propagate it.

I cannot confirm this.  I used

   guix environment --container --ad-hoc python-2.7.10 python2-matplotlib=
 -- python2
   ...
   Python 2.7.10 (default, Jan  1 1970, 00:00:01)=20
   [GCC 4.9.3] on linux2
   Type "help", "copyright", "credits" or "license" for more information.
   >>> import matplotlib.pyplot as plt
   Traceback (most recent call last):
     File "<stdin>", line 1, in <module>
     File "/gnu/store/8k926blraf9mg3l4qjlxpnabrgx09jr8-python2-matplotlib=
-1.4.2/lib/python2.7/site-packages/matplotlib-1.4.2-py2.7-linux-x86_64.eg=
g/matplotlib/__init__.py", line 180, in <module>
       from matplotlib.cbook import is_string_like
     File "/gnu/store/8k926blraf9mg3l4qjlxpnabrgx09jr8-python2-matplotlib=
-1.4.2/lib/python2.7/site-packages/matplotlib-1.4.2-py2.7-linux-x86_64.eg=
g/matplotlib/cbook.py", line 33, in <module>
       import numpy as np
   ImportError: No module named numpy
   >>>

So, numpy still needs to be propagated in my opinion.  I haven=E2=80=99t =
tried
=E2=80=98python-matplotlib=E2=80=99 and =E2=80=98python=E2=80=99 yet, jus=
t =E2=80=98python2-matplotlib=E2=80=99 as
above.  Does this make a difference?

~~ Ricardo