Hi Camille, Great resources to start with are: wenzeslaus/python-grass-addon: How to write a Python GRASS GIS 7 addon (github.com)<https://github.com/wenzeslaus/python-grass-addon> and wenzeslaus/r.example.plus: An example of a GRASS GIS module for processing rasters (github.com)<https://github.com/wenzeslaus/r.example.plus>
If you want your module to return not maps or tables but output on stdout (what read_command() captures), just use the print() function in python. Hope that helps to get started!? If there is a module that has a UI that could be a good template for what you want to do, you can use e.g. “r.info –script” to get a script template for the UI and general content. Cheers Stefan From: grass-user <[email protected]> On Behalf Of Cam Morlus Sent: torsdag 14. januar 2021 21:23 To: [email protected] Subject: [GRASS-user] How to create a GRASS addon that returns something when using read_command() Dear All, I am using grass 7.8.4. I'm calling commands externally using the Grass Python Scripting Library in Python. I wanted to know when you create an addon in python how to end the addon script so that when you call that addon with read_command() it returns something. I would like to have something similar to what happens when calling read_command(g.gisenv) which returns the grass variables settings so that you can store them into a variable. Thank you in advance for your answer. Best, Camille Morlighem
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