This script will be execute when medias (movies and tv shows) download are complete. He move the movies to movies folders, create new folder in tv show directory with a name of show and copy it in.

rearrange_downloads.py

#!/usr/bin/python 
import os, re, shutil 
from os.path import join, expanduser, dirname, basename

# Defines global variables
media_extensions = ['avi', 'mkv', 'mp4'] # Extensions for many videos file
tv_show_directory = expanduser("/mnt/D40E9CD00E9CACCC/Series/") # Tv Show path
movies_directory = expanduser("/mnt/D40E9CD00E9CACCC/Movies/") # Movies path
download_directory = expanduser("~/Downloads/") # Path for downloaded files

def parseFileName(filename):
    # parse filename to determine what kind of media file is
    # if is not Tv Show 
    if not re.search("S0", basename(filename)):
        # Most of the movies file are ripped and these name contain "Rip"
        # This need to be improved later
        if re.search("(\w+rip|[720]{3})", basename(filename), re.I):
            # If the file is a movie file
            moveToMoviesFolder(filename)

    else:
        # If the file is Tv Show episode
        moveToTvShowsFolder(filename) 

def moveToMoviesFolder(movies):
    try:
        # Move the movie from download path to movies path
        shutil.move(movies, movies_directory)
        # Return to clean download directory
        cleanDownloadFolder(dirname(movies) + "/")
    except OSError:
        print("Impossible de deplacer le fichier")

def moveToTvShowsFolder(episodes):
    # This line below tranlate "[www.Cpasbien.pe] Under.The.Dome.S02E12.FRENCH.HDTV.XviD-RNT"
    folder = re.findall("[\w'.]+S\d\d", basename(episodes))[0].replace(".", " ").title()
    # To "Under The Dome S02"
    folder_path = join(tv_show_directory, folder)
    # And create directory 
    # If folder named "Under The Dome S02" doesn't exist
    if not os.path.exists(folder_path):
        os.mkdir(folder_path, 0775)
    try:
        # Move the episode from download path to Tv Show path
        shutil.move(episodes, folder_path)
        # Return to clean download directory
        cleanDownloadFolder(dirname(episodes) + "/")
    except OSError:
        print("Impossible de deplacer le fichier")

def cleanDownloadFolder(path):
    # Verify if folder that contain media file before it's moved
    # Is different of the download folder 
    if path != download_directory:
        try:
            # Remove folder and all of those content
            shutil.rmtree(path)
        except OSError:
            print("Impossible de supprimer le dossier")

def main():
    # Browser in download directory recursively 
    for root, dirs, files in os.walk(download_directory):
    # To get list of files
        for name in files:
            # If file is movies or tv show episodes
            extension = os.path.splitext(name)[1][1:].strip()
            if extension in media_extensions:
                parseFileName(join(root, name))

if __name__ == "__main__":
    main()

Ça a l'air simple! Merci encore tu me donne tellement d'idées là