qbretracker.py

'''
batch change tracker for qbittorrent 4.2-
'''

import sys
import os
import glob
import bencode

if __name__ == '__main__':
    if len(sys.argv) != 4:
        print('usage: {} dir_name old_tracker new_tracker'.format(sys.argv[0]))
        sys.exit(1)

    dir_name = sys.argv[1]
    old_tracker = sys.argv[2]
    new_tracker = sys.argv[3]
    files = glob.glob(os.path.join(dir_name, '*.torrent'))
    for tname in files:
        rname = '{}.fastresume'.format(os.path.splitext(tname)[0])
        tdata = bencode.bread(tname)
        print('Proccesing torrent ({})'.format(tdata['info']['name']))
        print(tdata['announce'])
        if old_tracker not in tdata['announce']:
            print('Tracker not match, skipping.')
            continue
        print('Updating tracker in torrent.')
        tdata['announce'] = tdata['announce'].replace(old_tracker, new_tracker)
        rdata = bencode.bread(rname)
        print('Updating tracker in fastresume.')
        for tlist in rdata['trackers']:
            for i in range(0, len(tlist)):
                if old_tracker in tlist[i]:
                    tlist[i] = tlist[i].replace(old_tracker, new_tracker)
        bencode.bwrite(tdata, tname)
        bencode.bwrite(rdata, rname)
        print('Updated.')