pynucastro
https://github.com/pynucastro/pynucastro
pynucastro is a set of python interfaces to nuclear reaction rate databases (including the JINA reaclib nuclear reaction rate database). It is meant for both interactive exploration of rates (through Jupyter notebooks) and to create reaction networks for use in simulation codes.
Exploring Networks in Python
Selecting Rates
Advanced Usage
Writing Networks
Reference