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MatplotLib Data Directory
-------------------------
For various functions to work, for example
help() -> modules
you need to set the environmental variable:
$ export MATPLOTLIBDATA=/usr/share/matplotlib/
Change the backend
------------------
From matplotlib version 3.10.1+dfsg1-1 the default backend in Debian
is again autodetected using standard upstream logic.
If you want to change it, you have two ways: system wide, changing the file
/etc/matplotlibrc
or on a user basis, changing the file
$HOME/.config/matplotlib/matplotlibrc
to add or modify a line like this:
backend : <backend>
# You can also deploy your own backend outside of matplotlib by
# referring to the module name (which must be in the PYTHONPATH) as
# 'module://my_backend'.
# The Agg, Ps, Pdf and SVG backends do not require external
# dependencies. Do not choose GTK, GTKAgg, GTKCairo, TkAgg or WXAgg if
# you have disabled the relevant extension modules.
so usually, you can have a backend if you have the Python bindings installed:
Tk -> python3-tk
QT -> python3-pyqt5, python3-sip
WX -> python3-wxgtk4.0
GTK3 -> gir1.2-gtk-3.0, python3-gi
Use MatplotLib with pkg_resources.require()
-------------------------------------------
If you want to use MatplotLib like this:
python3 -c 'import pkg_resources; pkg_resources.require("matplotlib")'
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