DjCache

Django Cache with Memchaced

Installation

• Install Memcached on your system, if you are using Linux you can download it from:Memcached or you can install it using this command:

sudo apt-get update
sudo apt-get -y install memcached

• If you are using Windows you can download it from:Memcached 64bit or Memcached 32bit

• You can go to this site to learn how to install it on Windows:Memcached Windows

• This is also the site explaining the cache, you can refer to it :Django Cache

• Install pymemcache using this command:

pip install pymemcache

Usage

Add this to your settings.py

CACHES = {
    "default": {
        "BACKEND": "django.core.cache.backends.memcached.PyMemcacheCache",
        "LOCATION": "127.0.0.1:11211",
    }
}

Cache whole site

Add this code also to your settings.py

MIDDLEWARE = [
    # ....
    "django.middleware.cache.UpdateCacheMiddleware",
    "django.middleware.common.CommonMiddleware",
    "django.middleware.cache.FetchFromCacheMiddleware",
    # ....
]

Add Cache settings to your settings.py

CACHE_MIDDLEWARE_ALIAS = "default"

CACHE_MIDDLEWARE_SECONDS = 60 * 15 # 15 minutes

CACHE_MIDDLEWARE_KEY_PREFIX = ""

Per-View Cache

from django.shortcuts import render
from django.views.decorators.cache import cache_page


# Create your views here.
@cache_page(60 * 15)  # 15 minutes
def index(request):
    return render(request, "cacheapp/index.html", {})

Template Cache

{% load cache %}
{% cache 500 sidebar request.user.username %}
    .. sidebar for logged in users ..
{% endcache %}

Url Cache

from django.urls import path
from django.views.decorators.cache import cache_page
from . import views

app_name = "cacheapp"

urlpatterns = [
    path("", cache_page(60 * 16)(views.index), name="index"),
]