GiD 16.1.2d developer includes a Tcl package called tohil that provides ways to exchange data and execute code between the Python and Tcl interpreters.
The documentation of tohil is at https://flightaware.github.io/tohil-docs/
A python interpreter (initial version 3.10.5/3.10.8) will be included inside GiD along with some common modules:
numpy 1.23.3 : efficient use of arrays
matplotlib 3.6.1 : to plot graphs
meshio 5.3.4 : conversion between several mesh formats
h5py 3.7.0 : read/write HDF5 scientific data format
netCDF4 1.6.1 : read/write netCDF4 scientific data format
debugpy 1.6.3 : debugging Python from VSCode editor in case of embedded Python interpreter