What is the function of the flask_caching library in Py…

Flask-Caching is a cache extension library for Flask applications that offers a straightforward way to cache the results of functions and views within the Flask application, reducing response times and improving performance.

The features of Flask-Caching library include:

1. Cache function results: the function’s return value can be cached and returned directly the next time the same request is made, without the need to execute the function again.
2. Caching view results: It allows for caching the rendered results of view functions and directly returning the cached results on the next identical request, without needing to re-render the view.
3. Support for multiple cache backends: Flask-Caching supports various cache backends such as in-memory cache, Redis, Memcached, etc.
4. Support for cache expiration time and cache invalidation strategy: users can set the expiration time for the cache, as well as the cache invalidation strategy, such as based on time or based on request parameters.
5. Support for generating multiple cache keys: cache keys can be generated based on the URL of the request, request parameters, etc., so that cached results can be directly returned for the same request next time.

In conclusion, the Flask-Caching library can help developers easily implement caching in Flask applications, improving the performance and response time of the application.