fix_templates.py

#!/usr/bin/env python
import fileinput, re
for line in fileinput.input(inplace=True):
    if fileinput.isfirstline():
        future_load = '{% load url from future %}'
        if '{% extends' in line:
            print line,
            print future_load
        else:
            print future_load
            print line,
    else:
        print re.sub(r'{% *url +([a-zA-Z0-9_.:-]+)', r"{% url '\1'", line),