Revision: 8378
http://matplotlib.svn.sourceforge.net/matplotlib/?rev=8378&view=rev
Author: efiring
Date: 2010-06-04 19:20:47 +0000 (Fri, 04 Jun 2010)
Log Message:
-----------
suppress spurious exceptions when killing a qt4 session.
While investigating 2927619 I found that killing a python session
with an active qt4 window generated Exceptions because callbacks
were being executed after their modules had been deleted. There
may be a cleaner solution than the one I implemented, which is
merely to catch the useless exceptions.
Modified Paths:
--------------
trunk/matplotlib/lib/matplotlib/backend_bases.py
trunk/matplotlib/lib/matplotlib/backends/backend_qt4.py
Modified: trunk/matplotlib/lib/matplotlib/backend_bases.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/backend_bases.py 2010-06-04 18:47:48 UTC
(rev 8377)
+++ trunk/matplotlib/lib/matplotlib/backend_bases.py 2010-06-04 19:20:47 UTC
(rev 8378)
@@ -1447,8 +1447,14 @@
'close_event' with a :class:`CloseEvent`
"""
s = 'close_event'
- event = CloseEvent(s, self, guiEvent=guiEvent)
- self.callbacks.process(s, event)
+ try:
+ event = CloseEvent(s, self, guiEvent=guiEvent)
+ self.callbacks.process(s, event)
+ except TypeError:
+ pass
+ # Suppress the TypeError when the python session is being killed.
+ # It may be that a better solution would be a mechanism to
+ # disconnect all callbacks upon shutdown.
def key_press_event(self, key, guiEvent=None):
"""
Modified: trunk/matplotlib/lib/matplotlib/backends/backend_qt4.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/backends/backend_qt4.py 2010-06-04
18:47:48 UTC (rev 8377)
+++ trunk/matplotlib/lib/matplotlib/backends/backend_qt4.py 2010-06-04
19:20:47 UTC (rev 8378)
@@ -87,7 +87,7 @@
class TimerQT(TimerBase):
'''
Subclass of :class:`backend_bases.TimerBase` that uses Qt4 timer events.
-
+
Attributes:
* interval: The time between timer events in milliseconds. Default
is 1000 ms.
@@ -99,7 +99,7 @@
'''
def __init__(self, *args, **kwargs):
TimerBase.__init__(self, *args, **kwargs)
-
+
# Create a new timer and connect the timeout() signal to the
# _on_timer method.
self._timer = QtCore.QTimer()
@@ -237,9 +237,9 @@
Creates a new backend-specific subclass of
:class:`backend_bases.Timer`.
This is useful for getting periodic events through the backend's native
event loop. Implemented only for backends with GUIs.
-
+
optional arguments:
-
+
*interval*
Timer interval in milliseconds
*callbacks*
@@ -341,8 +341,15 @@
def _widgetclosed( self ):
if self.window._destroying: return
self.window._destroying = True
- Gcf.destroy(self.num)
+ try:
+ Gcf.destroy(self.num)
+ except AttributeError:
+ pass
+ # It seems that when the python session is killed,
+ # Gcf can get destroyed before the Gcf.destroy
+ # line is run, leading to a useless AttributeError.
+
def _get_toolbar(self, canvas, parent):
# must be inited after the window, drawingArea and figure
# attrs are set
This was sent by the SourceForge.net collaborative development platform, the
world's largest Open Source development site.
------------------------------------------------------------------------------
ThinkGeek and WIRED's GeekDad team up for the Ultimate
GeekDad Father's Day Giveaway. ONE MASSIVE PRIZE to the
lucky parental unit. See the prize list and enter to win:
http://p.sf.net/sfu/thinkgeek-promo
_______________________________________________
Matplotlib-checkins mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/matplotlib-checkins
