from __future__ import unicode_literals
import hashlib
from django.utils.encoding import force_bytes
from django.utils.http import urlquote
TEMPLATE_FRAGMENT_KEY_TEMPLATE = 'template.cache.%s.%s'
def make_template_fragment_key(fragment_name, vary_on=None):
if vary_on is None:
vary_on = ()
key = ':'.join(urlquote(var) for var in vary_on)
args = hashlib.md5(force_bytes(key))
return TEMPLATE_FRAGMENT_KEY_TEMPLATE % (fragment_name, args.hexdigest())