Flask Framework Cookbook - Second Edition

How it works...

We can see that we have a circular import between my_app/__init__.py and my_app/hello/views.py, where, in the former, we import views from the latter, and in the latter, we import the app from the former. Although this makes the two modules dependent on each other, there is no issue, as we won't be using views in my_app/__init__.py. Note that it is best to import the views at the bottom of the file so that they are not used.

In this recipe, we used a very simple non-persistent in-memory key-value store for the demonstration of the model layout structure. It is true that we could have written the dictionary for the MESSAGES hash map in views.py itself, but it is best practice to keep the model and view layers separate.

So, ...