Hi all,
I'm using a timer object to interact with the MPL event loop on my OS X
laptop. However, it seems to be missing a few key methods that are
making using it a little difficult. In particular, I can't find a way to
stop the timer from sending events:
$ ipython --pylab
In [1]: def fun():
...: for i in range(5):
...: print "We're having fun!"; yield
...: for i in range(5):
...: print "Too much fun..."; yield
...: while True:
...: print "Stop the fun! No more!"; yield
In [2]: f = fun().next
In [3]: fig = plt.figure()
In [4]: t = fig.canvas.new_timer()
In [5]: t.add_callback(f)
In [6]: t.start()
In [7]: t.stop()
In [8]: del t # It's all over now...
It looks like the stop method may never have been implemented:
In [3]: t.stop??
Type: instancemethod
String Form:<bound method TimerMac.stop of Timer object 0x106ba33b0
wrapping CFRunLoopTimerRef 0x0>
File: /usr/local/lib/python2.7/site-packages/matplotlib/backend_bases.py
Definition: t.stop(self)
Source:
def stop(self):
'''
Stop the timer.
'''
self._timer_stop()
In [4]: t._timer_stop??
Type: instancemethod
String Form:<bound method TimerMac._timer_stop of Timer object
0x106ba33b0 wrapping CFRunLoopTimerRef 0x0>
File: /usr/local/lib/python2.7/site-packages/matplotlib/backend_bases.py
Definition: t._timer_stop(self)
Source:
def _timer_stop(self):
pass
I'm able to remove the callback function from the timer's callback list,
but I suspect that won't stop the events from being triggered. But I'd
really prefer to completely stop the timer events, since in my
application I may end up going through many timers.
Is this the expected behavior? Is there an easy fix I'm overlooking?
Version info:
In [3]: sys.version
Out[3]: '2.7.3 (default, Feb 19 2013, 18:00:31) \n[GCC 4.2.1
Compatible Apple LLVM 4.2 (clang-425.0.24)]'
In [4]: mpl.__version__
Out[4]: '1.2.0'
Thanks,
Justin
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