I am the author of Cadabra (https://cadabra.science), a symbolic computer algebra system which has its own (native, non-web based) notebook interface. There is a Jupyter kernel for this system too, so that it can also be used that way. However, the notebook file format is (for historical reasons) not
Is it possible to write a JupyterLab extension which enables users to auto-convert Cadabra notebooks, so that users do not have to run a separate tool to do this, but can simply open a Cadabra notebook and have it convert on-the-fly to a Jupyter notebook? I will write the conversion step; the question is purely about the possibility of hooking it into JupyterLab as described above. Any pointers are welcome. Thanks!