Qt4 backend using unichr() in python3 #3117
Description
I get a NameError exception (see backtrace below) when trying to use key
events in matplotlib (master branch rev:
e322d5f), python 3.4.1, and pyqt 4.10.
This has been posted to the matplotlib-users ml: http://thread.gmane.org/gmane.comp.python.matplotlib.general/34364
NameError Traceback (most recent call last)
/home/jscandal/sw/matplotlib/matplotlib/lib/matplotlib/backends/backend_qt4.py
in
keyReleaseEvent(self=<matplotlib.backends.backend_qt4agg.FigureCanvasQTAgg
object>, event=<PyQt4.QtGui.QKeyEvent object>)
308
309 def keyReleaseEvent(self, event):
--> 310 key = self._get_key(event)
key = undefined
self._get_key = <bound method FigureCanvasQTAgg._get_key of
<matplotlib.backends.backend_qt4agg.FigureCanvasQTAgg object at 0x7f0393412948>>
event = <PyQt4.QtGui.QKeyEvent object at 0x7f0393507a68>
311 if key is None:
312 return
/home/jscandal/sw/matplotlib/matplotlib/lib/matplotlib/backends/backend_qt4.py
in _get_key(self=<matplotlib.backends.backend_qt4agg.FigureCanvasQTAgg
object>, event=<PyQt4.QtGui.QKeyEvent object>)
363 return None
364
--> 365 key = unichr(event_key)
key = undefined
global unichr = undefined
global event_key = undefined
366 # qt delivers capitalized letters. fix capitalization
367 # note that capslock is ignored
NameError: name 'unichr' is not defined