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How to develop Python scripts for GIMP

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Old 06-25-2015, 01:28 PM
pixaeiro pixaeiro is offline
Join Date: Feb 2015
Posts: 32
How to develop Python scripts for GIMP


I have been studying the Python scripting library, and it seems to be very advanced and powerful, but unfortunately I haven't found good documentation for it, and I am pretty much flying blind with it.

I have GIMP 2.8.14 on a Win7 pc.

Does anybody has a link for the API or SDK? I have found this page ( but it seems to be a short introduction to GIMP+Python.

What is the best way to develop scripts for GIMP? Right now I have to edit the script, save, open GIMP, test script, close, repeat... every time... Is there a way to unload a script?

How can I see Python error messages? If something fails, GIMP just shows a 'invalid state' message, but I don't get the Python error message.

Any help on this topic will be greatly appreciated!

Thank you!
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Old 06-25-2015, 06:07 PM
joe_7 joe_7 is offline
Join Date: May 2015
Location: St. Louis
Posts: 63
Re: How to develop Python scripts for GIMP

On Linux, a Python plug-in is reloaded each time it is used - so perhaps this is a Windows issue/bug.

Some information regarding error messages:

Also mentioned on that page is running "touch" on the file which updates the last-modified date so that the Gimp will know to reload it.
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Old 06-26-2015, 04:33 PM
pixaeiro pixaeiro is offline
Join Date: Feb 2015
Posts: 32
Re: How to develop Python scripts for GIMP

Thanks joe!
I didn't know the script was reloaded, so I was closing and opening GIMP after I edited the script!
Your tip is a real time saver.!
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