On Monday, August 25, 2014 7:55:50 AM UTC-5, Edward K. Ream wrote:
>
> [A recent rev] contains a spectacular collapse in complexity in idle-time
> handling.
>
Rev 2d1b80b...contains a necessary improvement. The previous examples
worked only because references to IdleTime instances appeared at the module
level.
The IdleTime ctor now appends a reference to self to the new
g.app.idle_timers list. This ensures that IdleTimer's do not get garbage
collected prematurely. For example, the following handler now works. It
queues up two new handlers::
def handler(it):
'''The IdleTime handler: called at idle time.'''
delta_t = it.time-it.starting_time
g.trace(it.count,it.c.shortFileName(),'%2.4f' % (delta_t))
if count == 3:
# Start two more handlers.
it1 = g.IdleTime(c,handler1,delay=500)
it2 = g.IdleTime(c,handler2,delay=1000)
if it1 and it2:
it1.start()
it2.start()
if it.count >= 8:
g.trace('done')
it.stop()
it.destroy_self()
And here is the result::
handler 1 ekr.leo 0.5150
handler 2 ekr.leo 1.0300
handler 3 ekr.leo 1.5450
handler 4 ekr.leo 2.0600
handler1 1 ekr.leo 0.5150
handler2 1 ekr.leo 1.0140
handler1 2 ekr.leo 1.0290
handler 5 ekr.leo 2.5740
handler 6 ekr.leo 3.0890
handler1 3 ekr.leo 1.5440
handler2 2 ekr.leo 2.0280
handler1 4 ekr.leo 2.0590
handler 7 ekr.leo 3.6040
handler 8 ekr.leo 4.1190
handler done
handler1 5 ekr.leo 2.5740
handler1 done
handler2 3 ekr.leo 3.0420
handler2 4 ekr.leo 4.0570
handler2 5 ekr.leo 5.0710
handler2 6 ekr.leo 6.0850
handler2 7 ekr.leo 7.0990
handler2 8 ekr.leo 8.1130
handler2 9 ekr.leo 9.1270
handler2 10 ekr.leo 10.1410
handler2 done
EKR
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