json mode and run method #16

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1. extrabacon commented on Oct 13, 2015

   

   extrabacon

   on Oct 13, 2015

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   Simply set options using the second argument, like so:

   PythonShell.run('script.py', { mode: 'json' });
2. Olmer1st commented on Oct 13, 2015

   

   Olmer1st

   on Oct 13, 2015

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   Yes. Ok. But how to transfer message?
3. Olmer1st

   closed this as completedon Oct 13, 2015
4. Olmer1st

   reopened this on Oct 13, 2015
5. extrabacon commented on Oct 13, 2015

   

   extrabacon

   on Oct 13, 2015

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   Can you clarify your question? What are you struggling with exactly?

   Basically, run will return an instance which you can use to send and receive messages.

   var python = PythonShell.run('script.py', { mode: 'json' });
   // send a message
   python.send({ hello: 'world' });
   // receive a message from Python
   python.on('message', function (message) {
     // handle message sent from Python
   }

   On the Python side, you simply read from stdin and write to stdout.

   # send a JSON message to node
   print json.dumps(obj)
   # receive messages
   for message in sys.stdin:
     # handle message sent from node
6. Olmer1st commented on Oct 13, 2015

   

   Olmer1st

   on Oct 13, 2015

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   I want to use this example:
   PythonShell.run('my_script.py', options, function (err, results) {
   if (err) throw err;
   // results is an array consisting of messages collected during execution
   console.log('results: %j', results);
   });

   this example work only with args.
7. Almenon commented on Mar 3, 2018

   

   Almenon

   on Mar 3, 2018

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   Still having trouble? If not I'll close this.
8. Almenon

   closed this as completedon Mar 20, 2018