Type /client gpu in-game to see whether you need 32 or 64 bit version.

gcc -shared -fPIC $(python3-config --cflags) PythonPlugin.c -o pythonscripting.so $(python3-config --ldflags)

/client python [text]

Executes the given text as a Python script

Additionally, any .python files in the python folder will be automatically loaded and executed on game startup

See the common API documentation