Command line utility to test and debug proxy.pac files. Depends on https://code.google.com/p/pacparser/

proxy-pac-debug.py

#!/usr/bin/env python2

# Usage: $0 proxy.pac url

import pacparser
import sys
import urlparse

pacfile, url = sys.argv[1:]

pacparser.init()
pacparser.parse_pac_file(pacfile)

url = urlparse.urlparse(url)

site = '%s://%s' % (url.scheme, url.netloc)
print 'Proxy for %s is %s' % (site, pacparser.find_proxy(site, url.netloc))

pacparser.cleanup()

You should add "Depends on https://code.google.com/p/pacparser/" to the comments in the script