Caching

Cache au niveau de la page

from django.views.decorators.cache import cache_page

@cache_page(60 * 15)  # Cache for 15 minutes
def product_list(request):
    products = Product.objects.all()
    return render(request, 'products/list.html', {'products': products})

Cache au niveau du template

{% load cache %}

{% cache 500 sidebar request.user.id %}
    {% for item in expensive_query %}
        {{ item }}
    {% endfor %}
{% endcache %}

Cache au niveau du code

from django.core.cache import cache

def get_expensive_result(user_id):
    cache_key = f'expensive_result_{user_id}'
    result = cache.get(cache_key)

    if result is None:
        result = expensive_computation(user_id)
        cache.set(cache_key, result, timeout=3600)

    return result