def inputhook_wx3(): """Run the wx event loop by processing pending events only. This is like inputhook_wx1, but it 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: app = wx.GetApp() if app is not None: assert wx.Thread_IsMain() # The import of wx on Linux sets the handler for signal.SIGINT # to 0. This is a bug in wx or gtk. We fix by just setting it # back to the Python default. if not callable(signal.getsignal(signal.SIGINT)): signal.signal(signal.SIGINT, signal.default_int_handler) evtloop = wx.EventLoop() ea = wx.EventLoopActivator(evtloop) t = clock() while not stdin_ready(): while evtloop.Pending(): t = clock() evtloop.Dispatch() app.ProcessIdle() # 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) del ea except KeyboardInterrupt: pass return 0
def inputhook_glut(): """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. signal.signal(signal.SIGINT, glut_int_handler) try: t = clock() # Make sure the default window is set after a window has been closed if glut.glutGetWindow() == 0: glut.glutSetWindow( 1 ) glutMainLoopEvent() return 0 while not stdin_ready(): glutMainLoopEvent() # 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 return 0
def inputhook_glut(): """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. signal.signal(signal.SIGINT, glut_int_handler) try: t = clock() # Make sure the default window is set after a window has been closed if glut.glutGetWindow() == 0: glut.glutSetWindow(1) glutMainLoopEvent() return 0 while not stdin_ready(): glutMainLoopEvent() # 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 return 0
def inputhook_pyglet(): """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 stdin_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 return 0
log.Clear() self.socket.close() self.ended = True sys.exit(0) # connection broken except SystemExit: raise # No need to log SystemExit error except: s = StringIO.StringIO() exc_info = sys.exc_info() traceback.print_exception(exc_info[0], exc_info[1], exc_info[2], limit=None, file=s) err = s.getvalue() dbg(SERVER_NAME + ' received error: ' + str(err), ERROR) raise if __name__ == '__main__': port = int(sys.argv[1]) # this is from where we want to receive messages. t = T(port) dbg(SERVER_NAME + ' will start', INFO1) t.start() time.sleep(5) t.join()