Per-request cache in Django?

Question

I would like to implement a decorator that provides per-request caching to any method, not just views. Here is an example use case.

I have a custom ta

Answer 1

This one uses a python dict as the cache (not the django's cache), and is dead simple and lightweight.

• Whenever the thread is destroyed, it's cache will be too automatically.
• Does not require any middleware, and the content is not pickled and depickled on every access, which is faster.
• Tested and works with gevent's monkeypatching.

The same can be probably implemented with threadlocal storage. I am not aware of any downsides of this approach, feel free to add them in the comments.

from threading import currentThread
import weakref

_request_cache = weakref.WeakKeyDictionary()

def get_request_cache():
    return _request_cache.setdefault(currentThread(), {})