Flask Framework Cookbook - Second Edition

How to do it...

Implementing basic caching is pretty easy. Follow these steps to do so:

1. First, initialize Cache to work with our application. This is done in the application's configuration, that is, my_app/__init__.py:

from flask_caching import Cache 
 
cache = Cache(app, config={'CACHE_TYPE': 'simple'}) 

Here, we used simple as the Cache type, where the cache is stored in the memory. This is not advised for production environments. For production, we should use something such as Redis, Memcached, filesystem cache, and so on. Flask-Cache supports all of them with a couple of more backends.

2. Next, add caching to the methods that need to be cached. Just add a @cache.cached(timeout=<time in seconds>) decorator to the view methods. A simple target ...