Is there anyway possible to call a python script from gnat project which is configured for ada. I've seen gnat extensible is available where we can add a call in .gpr (the project file for GNAT ada) for python script. But how this can be done is point of Interest. If anybody has done this earlier, please share some idea about it how to do. I've seen Adding custom command which uses python script with gnat and ada but no idea how gpr file was configured according to it. Thank in Advance.

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UPDATE

I found that script created, in Plug-in section of Preferences, after following the procedure described in Link above. But still unaware of How to Execute it?