link = (
    """magnet:?xt=urn:btih:4MR6HU7SIHXAXQQFXFJTNLTYSREDR5EI&tr=http://tracker.vodo.net:6970/announce"""
    )
handle = lt.add_magnet_uri(ses, link, params)
print('downloading metadata...')
while not handle.has_metadata():
    time.sleep(1)
print('got metadata, starting torrent download...')
while handle.status().state != lt.torrent_status.seeding:
    print('%d %% done' % (handle.status().progress * 100))
time.sleep(1)
Loading Magnet LINK using Rasterbar libtorrent in Python