Flask Framework Cookbook - Second Edition

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Many of us might think that such caching will fail in the case of a single category or product page, where each record has a separate page. The solution to this is memoization. It is similar to caching, with the difference being that it stores the result of a method in the cache, along with the information on the parameters that were passed. So, when a method is created with the same parameters multiple times, the result is loaded from the cache rather than making a database hit. Implementing memoization is quite simple:

@catalog.route('/product/<id>') 
@cache.memoize(120) 
def product(id): 
    # Fetch and display the product 

Now, if we call a URL, say, http://127.0.0.1:5000/product/1, in our browser for the first time, it will ...