Unrar

start.py

import subprocess
import sys

download_base_path = sys.argv[1]
final_destination = sys.argv[2]

"""
Start unrar script in a new process.
This will cause an exit code of 0, even if unrar.py hangs.
"""
subprocess.Popen(["python", "unrar.py", download_base_path, final_destination])

unrar.py

import sys
import os
import re
import shutil
import rarfile

download_base_path = sys.argv[1]
final_destination = sys.argv[2]
movie_path = '/media/alpha/movies/'


def extract_movie_name(path):
    name = path.split('/').pop()
    match = re.match(r'^([^(19|20)\d\d]+)', name)
    name = match.group(1).strip()
    name = name.replace('.', ' ').strip()
    # Remove ending dots
    # while name[-1] == '.':
    #     name = name[:-1]

    return name


def create_dir(directory):
    if not os.path.exists(directory):
        os.makedirs(directory)


def ucwords(word):
    return '.'.join([w[0].upper() + w[1:] for w in re.split(r'\s*', word)])


def main():
    extract_dir = ''

    if final_destination.lower() == 'movie':
        movie_name = ucwords(
            extract_movie_name(
                download_base_path
            ))
        extract_dir = os.path.join(movie_path, movie_name)
    else:
        extract_dir = final_destination

    create_dir(extract_dir)

    if os.path.isdir(download_base_path):
        for rar_file in os.listdir(download_base_path):
            file_ext = rar_file.split('.').pop()
            file_path = os.path.join(download_base_path, rar_file)
            if file_ext in ['mkv', 'mp4', 'avi']:
                shutil.copy(
                    file_path,
                    extract_dir
                )
            elif file_ext in ['rar', 'zip', 'r0', 'r00', 'r000']:
                rarfile.RarFile(file_path).extractall(extract_dir)
    elif os.path.isfile(download_base_path):
        shutil.copy(
            download_base_path,
            extract_dir
        )


if __name__ == '__main__':
    main()

Installing:

$ pip install rarfile

Running:

$ python start.py /path/to/download/ubuntu-14.04-x64/ /media/software

Configure rtorrent:

schedule = watch_directory_1,5,5,"load_start=/home/torrent/torrentfiles/software/*.torrent,d.set_directory=/home/torrent/download/software/,d.set_custom1=/media/software"
system.method.set_key = event.download.finished,unpack_rar,"execute=python /path_to/unrar.py,$d.get_base_path=,$d.get_custom1="