error running endless python script #81

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1. anhquoctran commented on May 9, 2017

   

   anhquoctran

   on May 9, 2017

   Last edited by anhquoctran

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   Me too, nothing happened when executing a script, onMessage not working
2. moshebeeri commented on May 9, 2017

   

   moshebeeri

   on May 9, 2017

   Last edited by moshebeeri

   Author

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   That's worked for me

   def emit_values():
       point = {
         # what ever you emit
       }
       print(json.dumps(point))
       sys.stdout.flush()           #<------SUPPER IMPORTANT!!!
       threading.Timer(interval, emit_values).start()
   
   if __name__ == '__main__':
       ap = argparse.ArgumentParser()
       ap.add_argument("-i", "--interval", type=int, default=60, help="sample interval")
   
       threading.Timer(args.interval, emit_values).start()
   

   Hope it helps

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3. anhquoctran commented on May 9, 2017

   

   anhquoctran

   on May 9, 2017

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   OK, good, that also worked for me, thank you bro
4. zoellner commented on May 9, 2017

   

   zoellner

   on May 9, 2017

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   alternatively/in addition you can also set pythonOptions to include -u when creating a new python shell

   const pyshell = new PythonShell('script.py', {
     pythonOptions: '-u' //disable python output buffering
   });
   

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5. Almenon commented on Feb 14, 2018

   

   Almenon

   on Feb 14, 2018

   Collaborator

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   Thanks @zoellner and @moshebeeri . Closing.
6. Almenon

   closed this as completedon Feb 14, 2018