"""
    A GUI to read bsddb or pickle and display the data by a tree ctrl.
"""

import sys
from traceback import print_exc
import os
from pydb import BSDDBOpener, dunno2unicode, print_dict     

if __name__ == '__main__':
    if len(sys.argv) < 3:
        print >> sys.stderr, "Usage: change_torrent_dir torrent_db_path torrents_dir"
        sys.exit(1)
    db_path = sys.argv[1]
    torrents_dir = sys.argv[2]
    if not os.path.exists(torrents_dir):
        print >> sys.stderr, "torrents_dir does not exist"
        sys.exit(1)
    
    opener = BSDDBOpener()
    d = opener.openDB(db_path, 'db')
    for i in d:
        old = d[i]['torrent_dir']
        data = d[i]
        data['torrent_dir'] = torrents_dir
        d.put(i,data)
        new = d[i]['torrent_dir']
        print old, '->', new
    d.sync()