Re: [Gimp-developer] How to set the python path for GIMP plug-ins when bundling into an AppImage

On 21 May 2017, at 21:56, Partha Bagchi <partha1b gmail com> wrote:

On Sun, May 21, 2017 at 2:44 PM, Carmelo DrRaw <aferrero1975 gmail com <mailto:aferrero1975 gmail com>> 

I am facing a problem when trying to build a GIMP AppImage that bundles python to allow running the 
python-based plug-ins.

As far as I understand, GIMP takes the python executable specified in


where the executable path has to be specified with an absolute way (otherwise GIMP throws an error “Bad 
binary format string in interpreter file …”).

However, in the AppImage case the absolute path into which the package is extracted is random, and is only 
known after the AppImage has ben actually started. Moreover, configuration files inside the AppImage bundle 
cannot be modified because they are read-only.

Hence my question: is there a way to dynamically specify the path to the python interpreter? In such 
situations one would typically use environment variables, but there seems to be no way in this case…

Thanks a lot in advance!


Not wanting to starting some Linux "wars" :), I think of AppImage as Linux's acknowledgement to Mac OSX 

Kind of yes, and kind of “why not?" ;-)

So in that vein, include a launcher in your AppImage which mounts your support libs is a specific location 
(possibly /tmp) and then point the python interpreter to something like /tmp/python/python or something 

This is what is already done by the AppImage, except that the mound directory is generated with a temporary 
name, different each time. This is not something under my control, and what is causing trouble in this 
specific case...

Maybe that will work?

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