#!/usr/bin/python
import os.path

base = '/users/www/files'
htbase = 'http://csclub.uwaterloo.ca/media/files'
announce = 'http://bittorrent.csclub.uwaterloo.ca/announce'
scpto = 'bittorrent.csclub:/var/lib/bnbt/torrents/'
comment = 'Produced by the University of Waterloo Computer Science Club (http://csclub.uwaterloo.ca/)'
minsize = 10*1024*1024 # 10 MiB

btmake = '/usr/bin/btmakemetafile.bittornado'
scp = '/usr/bin/scp'

mediafiles = [ file for file in os.listdir(base) if
    not file.endswith('.torrent') and
    not os.path.basename(file).startswith('.') and
    not os.path.isdir(base + '/' + file) and
    os.path.getsize(base + '/' + file) > minsize
]

for file in mediafiles:
    path = base + '/' + file
    torrentpath = path + '.torrent'
    htpath = htbase + '/' + file
    if not os.path.exists(torrentpath):
        print "Making torrent for %s..." % torrentpath
        os.spawnl(os.P_WAIT, btmake, btmake, announce, path,
                '--comment', comment, '--target', torrentpath,
                '--httpseeds', htpath)
        os.spawnl(os.P_WAIT, scp, scp, torrentpath, scpto)
print "The bittorrent tracker will begin tracking new torrents within five minutes."