Cache Django's javascript_catalog

i18n.py

import datetime
import hashlib

from django.views.decorators.cache import cache_page
from django.views.decorators.http import condition
from django.views.i18n import javascript_catalog

def get_version():
    # Write your own! That depends on your deployment strategy.
    # This example won't work if you release more than once a day.
    return datetime.date.today().isoformat()

# The javascript_catalog view may be cached server-side without limits,
# provided the cache is flushed when autoslave is upgraded and restarted.
key_prefix = 'js18n-%s' % get_version()
last_modified = datetime.datetime.now()
etag = hashlib.md5(key_prefix).hexdigest()

@condition(etag_func=lambda req, **kw: etag,
           last_modified_func=lambda req, **kw: last_modified)
@cache_page(86400, key_prefix=key_prefix)
def cached_javascript_catalog(request, domain='djangojs', packages=None):
    return javascript_catalog(request, domain, packages)

fairly old but does its job