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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# transmission-dlagent
#
# ----------------------------------------------------------------------
# Copyright © 2022, 2023 Pellegrino Prevete
#
# All rights reserved
# ----------------------------------------------------------------------
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
#
from argparse import ArgumentParser
from os import getcwd
from os.path import basename
from os.path import join as path_join
from shutil import move as mv
from shutil import Error as MoveError
from subprocess import CalledProcessError, Popen, check_output, run
description = "Parse magnet link in makepkg format for Transmission"
version = 0.1
def makepkg_to_magnet(link):
link = link.replace("://", ":?")
path_marker = "#path="
path = ""
if path_marker in link:
link, path = link.split(path_marker)
return link, path
def magnet_makepkg(link, output_path, download_dir=getcwd()):
output_file = output_path.replace(".part", "")
magnet_link, torrent_path = makepkg_to_magnet(link)
torrent_output_path = path_join(download_dir, torrent_path)
output_path = path_join(download_dir, output_file)
btt_cmd = ["/usr/bin/transmission-cli",
f"{magnet_link}",
f"--download-dir={download_dir}",
"--portmap",
f"--finish /usr/bin/transmission-quit",
"|| echo 0"]
try:
btt_out = check_output(btt_cmd)
except CalledProcessError as err:
if f"Failed opening torrent file `{magnet_link}" in str(err.stderr):
print(f"Error in the magnet link '{magnet_link}'")
else:
if err.stderr:
error = err.stderr.decode("utf-8")
error = error.split("\n")
for line in error:
print(line)
try:
mv(torrent_output_path, output_path)
except MoveError as e:
print(e)
return e
def get_args():
parser = ArgumentParser(description=description)
version = {'args': ['-V', '--version'],
'kwargs': {'dest': 'version',
'action': 'store_true',
'default': False,
'help': 'print version'}}
magnet_link = {'args': ['magnet_link'],
'kwargs': {'nargs': '+',
'action': 'store',
'help': "magnet link in makepkg format"}}
output_file = {'args': ['output_file'],
'kwargs': {'nargs': 1,
'action': 'store',
'default': [""],
'help': "output file"}}
download_dir = {'args': ['--download-dir'],
'kwargs': {'nargs': 1,
'action': 'store',
'default': [getcwd()],
'help': "download directory"}}
args = [version,
magnet_link,
output_file,
download_dir]
for arg in args:
parser.add_argument(*arg['args'],
**arg['kwargs'])
return parser, parser.parse_args()
def main():
parser, args = get_args()
if args.version:
print(version)
exit()
return magnet_makepkg(args.magnet_link[0],
args.output_file[0],
download_dir=args.download_dir[0])
if __name__ == "__main__":
main()
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