hi , i have a python script (.py) which i can execute in node-red easily. but i need to pass a json string to my python script as an input. in another word the python script which is on my local drive should read the input from json string in node red and then print the result in message payload. h…

In addition to what Colin explained, you have to handle the arguments passed on to the script correctly. (You might already have handled this) I use argparse in my python scripts. Like this as example: import argparse # construct the argument parse and parse the arguments ap = argparse.ArgumentP…

Passing an input to exec node which execute a python script

General

Colin 13 December 2018 16:06 2

Please see this FAQ entry for how to share your flow. You can edit your previous post to correct it so that it becomes importable.
In the meantime you can append the payload to the command in the exec node so you can pass the string to your script if that is what you mean. If that isn't what you mean then please explain further.

Topic		Replies	Views
How to pass json object as input to python script through exec node? General python	9	294	18 June 2023
How to pass json data to a python script in exec-node in node-red General	2	733	27 March 2022
Json -> Exec Function for Python General	2	119	27 June 2023
Passing parameter from node-red to python General	11	11625	16 November 2022
Passing JSON object (as string) to python script (exec node) General	1	2601	2 April 2019

Passing an input to exec node which execute a python script

Related topics