sort_reqs.py

#!/usr/bin/env python

import re

req_path = 'requirements/default.txt'
requirements = []
acc = ''

with open(req_path) as f:
    for line in f:
        if line.strip() == '':
            continue
        acc += line
        if not line.startswith('#'):
            requirements.append(acc)
            acc = ''

def sort_name(req):
    lines = filter(lambda s: s != '', req.split('\n'))
    name = lines[-1]
    match = re.match(r'^https?://.*#egg=(.*)$', name)
    if match:
        name = match.group(1)
    else:
        name = name[:name.find('==')]
    name = name.lower()
    return name

for req in sorted(requirements, key=sort_name):
    print req