Cache flask-login current_user.is_authenticated

Question

If I have a template with multiples validations of {% if current_user.is_authenticated %} it makes sense to use something like this to minimize the overhead and then just check current_user_is_authenticated ?

{% if current_user.is_authenticated %}
    {% set current_user_is_authenticated = True %}
{% else %}
    {% set current_user_is_authenticated = False %}
{% endif %}

Answer 1

First of all it is up to you how you implement is_authenticated method on the user class. By default it always just return True for current user if he is logged in.

Answering you question: if you don't have custom is_authenticated method implementation then there is not a single thing to minimize overhead. However if you query db, make external api calls etc. in is_authenticated it would be some kind of optimization to store its return value in variable when using it multiple times in the template.