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Magnet_To_Torrent2.py
executable file
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Magnet_To_Torrent2.py
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#!/usr/bin/env python
'''
Created on Apr 19, 2012
@author: dan, Faless
GNU GENERAL PUBLIC LICENSE - Version 3
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
http://www.gnu.org/licenses/gpl-3.0.txt
'''
import shutil
import tempfile
import os.path as pt
import sys
import libtorrent as lt
from time import sleep
from argparse import ArgumentParser
def magnet2torrent(magnet, output_name=None):
if output_name and \
not pt.isdir(output_name) and \
not pt.isdir(pt.dirname(pt.abspath(output_name))):
print("Invalid output folder: " + pt.dirname(pt.abspath(output_name)))
print("")
sys.exit(0)
tempdir = tempfile.mkdtemp()
ses = lt.session()
params = {
'save_path': tempdir,
'storage_mode': lt.storage_mode_t(2),
'paused': False,
'auto_managed': True,
'duplicate_is_error': True
}
handle = lt.add_magnet_uri(ses, magnet, params)
print("Downloading Metadata (this may take a while)")
while (not handle.has_metadata()):
try:
sleep(1)
except KeyboardInterrupt:
print("Aborting...")
ses.pause()
print("Cleanup dir " + tempdir)
shutil.rmtree(tempdir)
sys.exit(0)
ses.pause()
print("Done")
torinfo = handle.get_torrent_info()
torfile = lt.create_torrent(torinfo)
output = pt.abspath(torinfo.name() + ".torrent")
if output_name:
if pt.isdir(output_name):
output = pt.abspath(pt.join(
output_name, torinfo.name() + ".torrent"))
elif pt.isdir(pt.dirname(pt.abspath(output_name))):
output = pt.abspath(output_name)
print("Saving torrent file here : " + output + " ...")
torcontent = lt.bencode(torfile.generate())
f = open(output, "wb")
f.write(lt.bencode(torfile.generate()))
f.close()
print("Saved! Cleaning up dir: " + tempdir)
ses.remove_torrent(handle)
shutil.rmtree(tempdir)
return output
def main():
parser = ArgumentParser(description="A command line tool that converts magnet links in to .torrent files")
parser.add_argument('-m','--magnet', help='The magnet url')
parser.add_argument('-o','--output', help='The output torrent file name')
#
# This second parser is created to force the user to provide
# the 'output' arg if they provide the 'magnet' arg.
#
# The current version of argparse does not have support
# for conditionally required arguments. That is the reason
# for creating the second parser
#
# Side note: one should look into forking argparse and adding this
# feature.
#
conditionally_required_arg_parser = ArgumentParser(description="A command line tool that converts magnet links in to .torrent files")
conditionally_required_arg_parser.add_argument('-m','--magnet', help='The magnet url')
conditionally_required_arg_parser.add_argument('-o','--output', help='The output torrent file name', required=True)
magnet = None
output_name = None
#
# Attempting to retrieve args using the new method
#
args = vars(parser.parse_known_args()[0])
if args['magnet'] is not None:
magnet = args['magnet']
argsHack = vars(conditionally_required_arg_parser.parse_known_args()[0])
output_name = argsHack['output']
if args['output'] is not None and output_name is None:
output_name = args['output']
if magnet is None:
#
# This is a special case.
# This is when the user provides only the "output" args.
# We're forcing him to provide the 'magnet' args in the new method
#
print ('usage: {0} [-h] [-m MAGNET] -o OUTPUT'.format(sys.argv[0]))
print ('{0}: error: argument -m/--magnet is required'.format(sys.argv[0]))
sys.exit()
#
# Defaulting to the old of doing things
#
if output_name is None and magnet is None:
if len(sys.argv) >= 2:
magnet = sys.argv[1]
if len(sys.argv) >= 3:
output_name = sys.argv[2]
magnet2torrent(magnet, output_name)
if __name__ == "__main__":
main()