Introduction
This blog post provides an in-depth walkthrough of how requests are processed in a Flask application.
First, the blog post walks through the key steps that happen before and after a view function is executed:
Second, the blog post discussed the callbacks that are available during different steps of the request processing sequence, as these can be beneficial for powering up your Flask application:
The full article can be found on TestDriven.io: https://testdriven.io/blog/how-are-requests-processed-in-flask/