diff options
Diffstat (limited to 'contrib/python/ipython/py3/IPython/terminal/pt_inputhooks/pyglet.py')
-rw-r--r-- | contrib/python/ipython/py3/IPython/terminal/pt_inputhooks/pyglet.py | 132 |
1 files changed, 66 insertions, 66 deletions
diff --git a/contrib/python/ipython/py3/IPython/terminal/pt_inputhooks/pyglet.py b/contrib/python/ipython/py3/IPython/terminal/pt_inputhooks/pyglet.py index 49ec86d223..f34ed85845 100644 --- a/contrib/python/ipython/py3/IPython/terminal/pt_inputhooks/pyglet.py +++ b/contrib/python/ipython/py3/IPython/terminal/pt_inputhooks/pyglet.py @@ -1,66 +1,66 @@ -"""Enable pyglet to be used interactively with prompt_toolkit -""" - -import sys -import time -from timeit import default_timer as clock -import pyglet - -# On linux only, window.flip() has a bug that causes an AttributeError on -# window close. For details, see: -# http://groups.google.com/group/pyglet-users/browse_thread/thread/47c1aab9aa4a3d23/c22f9e819826799e?#c22f9e819826799e - -if sys.platform.startswith('linux'): - def flip(window): - try: - window.flip() - except AttributeError: - pass -else: - def flip(window): - window.flip() - - -def inputhook(context): - """Run the pyglet event loop by processing pending events only. - - This keeps processing pending events until stdin is ready. After - processing all pending events, a call to time.sleep is inserted. This is - needed, otherwise, CPU usage is at 100%. This sleep time should be tuned - though for best performance. - """ - # We need to protect against a user pressing Control-C when IPython is - # idle and this is running. We trap KeyboardInterrupt and pass. - try: - t = clock() - while not context.input_is_ready(): - pyglet.clock.tick() - for window in pyglet.app.windows: - window.switch_to() - window.dispatch_events() - window.dispatch_event('on_draw') - flip(window) - - # We need to sleep at this point to keep the idle CPU load - # low. However, if sleep to long, GUI response is poor. As - # a compromise, we watch how often GUI events are being processed - # and switch between a short and long sleep time. Here are some - # stats useful in helping to tune this. - # time CPU load - # 0.001 13% - # 0.005 3% - # 0.01 1.5% - # 0.05 0.5% - used_time = clock() - t - if used_time > 10.0: - # print 'Sleep for 1 s' # dbg - time.sleep(1.0) - elif used_time > 0.1: - # Few GUI events coming in, so we can sleep longer - # print 'Sleep for 0.05 s' # dbg - time.sleep(0.05) - else: - # Many GUI events coming in, so sleep only very little - time.sleep(0.001) - except KeyboardInterrupt: - pass +"""Enable pyglet to be used interactively with prompt_toolkit +""" + +import sys +import time +from timeit import default_timer as clock +import pyglet + +# On linux only, window.flip() has a bug that causes an AttributeError on +# window close. For details, see: +# http://groups.google.com/group/pyglet-users/browse_thread/thread/47c1aab9aa4a3d23/c22f9e819826799e?#c22f9e819826799e + +if sys.platform.startswith('linux'): + def flip(window): + try: + window.flip() + except AttributeError: + pass +else: + def flip(window): + window.flip() + + +def inputhook(context): + """Run the pyglet event loop by processing pending events only. + + This keeps processing pending events until stdin is ready. After + processing all pending events, a call to time.sleep is inserted. This is + needed, otherwise, CPU usage is at 100%. This sleep time should be tuned + though for best performance. + """ + # We need to protect against a user pressing Control-C when IPython is + # idle and this is running. We trap KeyboardInterrupt and pass. + try: + t = clock() + while not context.input_is_ready(): + pyglet.clock.tick() + for window in pyglet.app.windows: + window.switch_to() + window.dispatch_events() + window.dispatch_event('on_draw') + flip(window) + + # We need to sleep at this point to keep the idle CPU load + # low. However, if sleep to long, GUI response is poor. As + # a compromise, we watch how often GUI events are being processed + # and switch between a short and long sleep time. Here are some + # stats useful in helping to tune this. + # time CPU load + # 0.001 13% + # 0.005 3% + # 0.01 1.5% + # 0.05 0.5% + used_time = clock() - t + if used_time > 10.0: + # print 'Sleep for 1 s' # dbg + time.sleep(1.0) + elif used_time > 0.1: + # Few GUI events coming in, so we can sleep longer + # print 'Sleep for 0.05 s' # dbg + time.sleep(0.05) + else: + # Many GUI events coming in, so sleep only very little + time.sleep(0.001) + except KeyboardInterrupt: + pass |