code: def inputhook_wx1(context):
      """Run the wx event loop by processing pending events only.
  
      This approach seems to work, but its performance is not great as it
      relies on having PyOS_InputHook called regularly.
      """
      app = wx.GetApp()
      if app is not None:
          assert wx.Thread_IsMain()
  
          # Make a temporary event loop and process system events until
          # there are no more waiting, then allow idle events (which
          # will also deal with pending or posted wx events.)
          evtloop = wx.EventLoop()
          ea = wx.EventLoopActivator(evtloop)
          while evtloop.Pending():
              evtloop.Dispatch()
          app.ProcessIdle()
          del ea
      return 0
  
file_path: catboost/contrib/python/ipython/py3/IPython/terminal/pt_inputhooks/wx.py
imports: import sys
  import signal
  import time
  from timeit import default_timer
  import wx
label_desc: Use image node_id 2 for calling a global function with example usage: inputhook_wx1(context) and returns: int