Howdy, On Sat, Nov 7, 2009 at 12:30 PM, Darren Dale <dsdal...@gmail.com> wrote: > Me too. And thank you for posting the report and a workaround.
Quick question: would it be worth adding this monkeypatch to mpl
proper? Right now, the qt4 backend is effectively unusable out of the
box in distros like Karmic. Which is a bummer, because with the
ipython sitting on my laptop, one can now load 'pylab' at any time
during a session:
maqroll[scratch]> ip
Python 2.6.4 (r264:75706, Dec 7 2009, 18:45:15)
Type "copyright", "credits" or "license" for more information.
IPython 0.11.bzr.r1219 -- An enhanced Interactive Python.
? -> Introduction and overview of IPython's features.
%quickref -> Quick reference.
help -> Python's own help system.
object? -> Details about 'object'. ?object also works, ?? prints more.
In [1]: import sys
In [2]: 'matplotlib' in sys.modules
Out[2]: False
In [3]: %pylab wx
Activating matplotlib with backend: WXAgg
Welcome to pylab, a matplotlib-based Python environment.
For more information, type 'help(pylab)'.
Switching IPython gui support to: wx True
In [4]: 'matplotlib' in sys.modules
Out[4]: True
In [5]: plot(sin(linspace(0,2*pi,200)))
Out[5]: [<matplotlib.lines.Line2D object at 0xae0dccc>]
This is starting to look very promising, but unfortunately:
- right now we don't have gui switching support for Qt3 at all in
ipython. Help is welcome, but I have no clue if it's easy/hard or
even needed much anymore...
- qt4 is unusable with the system's qt/pyqt...
So perhaps a local patch would be worth it, no? I can confirm that
with the attached patch, the new ipython support works:
In [1]: %pylab qt
Activating matplotlib with backend: Qt4Agg
Welcome to pylab, a matplotlib-based Python environment.
For more information, type 'help(pylab)'.
In [2]: run simpleplot.py
In [3]: close('all')
In [4]: run simpleplot.py
whereas before, I'd get the same nasty error mentioned above.
The patch now has no run-time impact (I modified Pierre's code a bit
so the check is done only once), but I'm not about to commit something
in the Qt backend without someone else's eyes, especially Darren's :)
Cheers,
f
mpl_qt4.diff
Description: Binary data
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