Get PPA list to insert into Allowed-Origins

ppa.py

#!/usr/bin/env python

import os

os.chdir("/var/lib/apt/lists")
for file in os.listdir("."):
    if file.endswith("Release"):
        with open(file) as f:
            content = f.readlines()
            d = {}

            for line in content:
                if 'Origin: ' in line or 'Suite: ' in line:
                    key = line.split(': ')[0].rstrip()
                    value = line.split(': ')[1].rstrip()
                    d[key] = value

            if (d['Origin'] != 'Ubuntu') and (d['Origin'] != 'Canonical'):
                if not 'Suite' in d:
                    print '"%s:";' % d['Origin']
                else:
                    print '"%s: %s";' % (d['Origin'], d['Suite'])