magnet2name.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Description- Fetch torrents names from magnet URLs

import sys
import time
import libtorrent as lt

IFACE = "0.0.0.0"
PORT = "6881"

if (len(sys.argv) != 2):
    sys.stderr.write("Usage: {} filename/-\n".format(sys.argv[0]))
    sys.exit(1)    :

if (sys.argv[1] == "-"):
    r = sys.stdin.readlines()
else:
    f=open(sys.argv[1], "r")
    r=f.readlines()

sess = lt.session({'listen_interfaces': IFACE + ':' + PORT})

spinner = ['-', '\\', '|', '/']
spinner_pos = 0

for line in r:
    if line == '\n':
        continue

    line=line.rstrip()
    h = sess.add_torrent({
        'save_path': "./" ,
        'info_hash': lt.parse_magnet_uri(line)['info_hash']
        })
    h.prioritize_files([0]*1000)
    s = h.status()

    while True:
        try:
            print("\r" + h.torrent_file().name())
            break
        except:
            sys.stdout.write("\r" +
                    spinner[spinner_pos % len(spinner)])
            sys.stdout.flush()
            time.sleep(0.05)
            spinner_pos = spinner_pos + 1
            continue

    spinner_pos = 0