To setup the package to get your package up and running, you should first take a look at setup.py and make any packages specific changes there. These include the classifiers and package name.
Then you should create a virtual environment and activate it
python3 -m venv venv
source venv/bin/activate
Then install from the requirements file
pip install -r requirements.txt
Finally you need to compile install frontend dependencies and compile assets:
npm install
npm run dev
Note that in development, you can compile assets at each change with:
npm run watch
This will install exceptionite and development related packages.
python -m pytest