Technical requirements
The following are Python packages that are mentioned in this chapter that you can download from PyPI:
zope.interface
mypy
redis
flask
injector
flask-injector
Information on how to install packages is included in Chapter 2, Modern Python Development Environments.
The code files for this chapter can be found at https://github.com/PacktPublishing/Expert-Python-Programming-Fourth-Edition/tree/main/Chapter%205.