On 10/05/2012 09:57 AM, Michael Droettboom wrote:
On 10/05/2012 06:38 AM, todd rme wrote:
I am trying to do some experimental packages with python 3 and the
latest RC, and I am trying to figure out the situation with some of
the backends. Some are obvious, like wxwidgets and PyQt (Qt3
version).
The issue I am running into is with the gtk backend PyGTK is
deprecated. According to the website, all development halted a year
and a half ago and they say to use PyGObject instead. PyGTK, as far
as I can tell, does not support Python 3 or GTK 3. PyGObject,
however, supports both. So I was wondering what I should be doing
with this backend. Does matplotlib support PyGObject, or should the
GTK backends just be disabled on Python 3 builds?
The new Gtk3Cairo backend uses PyGObject and works under Python 3.
(This refers to Gtk version 3, which is also only supported by
PyGObject -- the backend could perhaps have been called PyGObject, but
in fact the toolkit used is still Gtk, so the naming is perhaps a bit
confusing). The older pygtk backend still ships with Python 3, but a
warning is displayed when the user attempts to use it.
Once PyGObject/PyCairo addresses a shortcoming [1] that prevents a
bitmap buffer from being transferred to an on screen window, the
Gtk3Agg backend will also work.
http://lists.cairographics.org/archives/cairo/2011-November/022519.html
It turns out that this was addressed in git last May and it does in fact
work with matplotlib. Once a new pycairo release is out and makes it
into the package managers, the Gtk3Agg backend should work on Python 3.
Mike
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