* Python Matplotlib with MPLBACKEND TkAgg
@ 2024-04-19 0:58 Jake
0 siblings, 0 replies; only message in thread
From: Jake @ 2024-04-19 0:58 UTC (permalink / raw)
To: help-guix
Hi
I'm not sure how to get Python's Matplotlib to plot using the MPLBACKEND
TkAgg without hardcoding it in the python script.
I can get the WebAgg backend to work by setting the MPLBACKEND env var:
#+begin_src sh
guix shell python python-matplotlib python-tornado -- bash -c
'MPLBACKEND=WebAgg python3 -c "import matplotlib;
print(matplotlib.get_backend()); import matplotlib.pyplot as plt;
plt.plot([1],[2]); plt.show()"'
#+end_src
#+RESULTS:
: WebAgg
: Press Ctrl+C to stop WebAgg server
This approach doesn't seem to work for the TkAgg backend:
#+begin_src sh
guix shell python python-matplotlib -- bash -c 'MPLBACKEND=TkAgg python3
-c "import matplotlib; print(matplotlib.get_backend()); import
matplotlib.pyplot as plt; plt.plot([1],[2]); plt.show()"'
#+end_src
#+RESULTS:
: TkAgg
: <string>:1: UserWarning: FigureCanvasAgg is non-interactive, and thus
cannot be shown
The TkAgg backend does work if I hardcode it in the Python script using
`matplotlib.use()`, but this approach is undesirable:
#+begin_src sh
guix shell python python-matplotlib -- python3 -c "import matplotlib;
matplotlib.use('TkAgg'); print(matplotlib.get_backend()); import
matplotlib.pyplot as plt; plt.plot([1],[2]); plt.show()"
#+end_src
#+RESULTS:
: TkAgg
Thanks in advance!
Jake
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