the python script use the __Cleopatra/inFileCreator__ to generate the infile for ptolmey, and run the ptolmey, and use the ExtractXsecPy.py to output Xsec.txt. After that, the read_data() in __MatPlotLinWindow__ will read the Xsec.txt file and plot using MatPlotLib.
There is a side program to get isotopes excitation energies from IAEA and plot the energy levels using Plotly.