Clearing a specific cache in Django

Question

I am using view caching for a django project.

It says that the cache uses the URL as a key, so I wonder how to clear the cache of one of the keys if the user updates / deletes the object.

Example: a user posts a blog post to domain.com/post/1234/. If the user edits this, I would like to delete the cached version of this URL by adding some cache delete command at the end of the view which saves the edited post.

I use:

@cache_page(60 * 60)
def post_page(....):

If post.id is 1234, it looks like this might work, but it doesn't:

def edit_post(....):
    # stuff that saves the edits
    cache.delete('/post/%s/' % post.id)
    return Http.....

Answer 1

django cache docs , cache.delete('key') . , :

• , , cache django.core.cache:

  from django.core.cache import cache
  
  # ...
  cache.delete('my_url')
  

• , , (, URL-, "domain.com" ). , URL :

  $ ./manage.py shell
  >>> from django.core.cache import cache
  >>> cache.has_key('/post/1234/')
  # this will return True or False, whether the key was found or not
  # if False, keep trying until you find the correct key ...
  >>> cache.has_key('domain.com/post/1234/') # including domain.com ?
  >>> cache.has_key('www.domain.com/post/1234/') # including www.domain.com ?
  >>> cache.has_key('/post/1234') # without the trailing / ?