/usr/share/doc/python-matplotlib/README.Debian is in python-matplotlib 1.5.1-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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For various functions to work, for example
help() -> modules
you need to set the environmental variable:
$ export MATPLOTLIBDATA=/usr/share/matplotlib/
Change the backend
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From matplotlib version 0.98.3-6 the default backend in Debian is 'TkAgg', the
simplest backend available in most context.
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>
# Default backend, one of: GTK GTKAgg GTKCairo GTK3Agg GTK3Cairo CocoaAgg
# MacOSX QtAgg Qt4Agg TkAgg WX WXAgg Agg Cairo GDK PS PDF SVG Template
#
# 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:
GTK+ -> python-gtk2
Tk -> python-tk
QT -> python-qt4, python-sip
WX -> python-wxgtk2.6 or python-wxgtk2.8
GTK3 -> gir1.2-gtk-3.0, python-gi, python-gobject
Use MatplotLib with pkg_resources.require()
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If you want to use MatplotLib like this:
python -c 'import pkg_resources; pkg_resources.require("matplotlib")'
(also in the Python3 flavour), you'll have to instal python-nose and
python-tornado (as specified in the Suggest field) or python3-nose and
python3-tornado if you're aiming at py3k.
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