#!/usr/bin/python

import sys, os, os.path, md5

mirror = "http://security.ubuntu.com/ubuntu/"

if len(sys.argv) < 2:
    print "Usage:", sys.argv[0], "<directory> [<version>]"
    sys.exit(1)

# arch -> name -> (size,md5)
files = {}

if len(sys.argv) > 2:
    version = sys.argv[2]
else:
    version = None

for f in os.listdir(sys.argv[1]):
    if version and f.find(version) < 0:
        continue

    path=os.path.join(sys.argv[1], f)
    if os.path.isfile(path):
        m = md5.new()
        m.update(open(path, "r").read())
        data = (os.path.getsize(path), m.hexdigest())

        if f.find("i386.deb") > 0:
            files.setdefault("i386 architecture (x86 compatible Intel/AMD)", {})[path] = data
        elif f.find("powerpc.deb") > 0:
            files.setdefault("powerpc architecture (Apple Macintosh G3/G4/G5)", {})[path] = data
        elif f.find("amd64.deb") > 0:
            files.setdefault("amd64 architecture (Athlon64, Opteron, EM64T Xeon)", {})[path] = data
        elif f.find("all.deb") > 0:
            files.setdefault("Architecture independent packages:", {})[path] = data
        elif (f.find("tar.gz") > 0) or (f.find("diff.gz") > 0) or (f.find(".dsc") > 0):
            files.setdefault("Source archives:", {})[path] = data
        else:
            print >> sys.stderr, "Ignoring unknown file", path

for arch, filemap in files.iteritems():
    print " ", arch
    print
    for name, (size, md5) in files[arch].iteritems():
        print "   ", mirror + name
        print "      Size/MD5: ", size, md5

    print