root/web/cherokee-last-tarball

#!/usr/bin/env python

# Alvaro Lopez Ortega <alvaro@gnu.org>
# http://www.cherokee-project.com
#

import os
import re

LOCAL_PATH = "/var/www/www.cherokee-project.com/download/"
URL        = "http://www.cherokee-project.com/download/"
REGEX      = 'cherokee-([0-9]+)\.([0-9]+)\.([0-9]+).tar.gz'

os.chdir(LOCAL_PATH)

regex  = re.compile(REGEX)
newest = ((0,0,0), None)

def scan_directory (directory):
    global regex
    global newest
    
    for f in os.listdir(directory):
        fullpath = os.path.join(directory, f)

        if f != "." and f != ".." and os.path.isdir(fullpath):
            scan_directory (fullpath)

        match = regex.search (f)
        if match is not None:
            greater = False
            v1, v2, v3 = map (lambda x: int(x), match.groups())

            if (newest[0][0] < v1):
                greater = True
            elif (newest[0][0] == v1):
                if (newest[0][1] < v2):
                    greater = True
                elif (newest[0][1] == v2):
                    if (newest[0][2] < v3):
                        greater = True

            if greater:
                newest = ((v1,v2,v3), fullpath[len(LOCAL_PATH):])


def main():
    global newest

    scan_directory (LOCAL_PATH)
    if newest[1] == None:
        print "Status: 500\r\n\r\n",
        raise SystemExit

    print "Status: 302\r\n",
    print "Location: %s%s\r\n\r\n" % (URL, newest[1])


if __name__ == "__main__":
    main()