MD5 template filter for Django

01_myfilters.py

from django import template
import hashlib

register = template.Library()

#
# {{ "some identifier"|md5 }}
# g87g98ht02497hg349ugh3409h34
#
@register.filter(name='md5')
def md5_string(value):
    return hashlib.md5(value).hexdigest()

02_my_template.html

{% load myfilters %}


{% with "randstring"|add:user.email as email_key %}
user_hash: '{{ email_key|md5 }}'
{% endwith %}

outputs:

user_hash: 'snud763nwmf08nfn59qn3994nd...' 

Thank you