gistfile1.sc

import re

from django import template

register = template.Library()

@register.filter
def twitter_user(message):
    """convert a "user:" to a link in twitter: <a href="htt://twitter.com/user>@user</a>"""
    pattern = re.compile('[A-Za-z0-9]+:')
    user = pattern.findall(message)[0]
    return message.replace(user, '<a href="http://twitter.com/' + user[:-1] + '">' + user + '</a>')