Converts JWplayer filenames to a episode order + title filename, removing funny numbers. Tested on videos ripped from itpro.tv using jdownloader.

jwfileconvert.py

import json
import os
import glob
import ntpath


mp4path_dir = "/directory/path" # No trailing slash please
actual_json = json.load(open('path to json file'))
os.chdir(mp4path_dir)

for fileID in glob.iglob(mp4path_dir + '/*.mp4'):
    fileIDfilename = ntpath.basename(fileID)
    fileIDnoExt = ntpath.splitext(fileIDfilename)[0]
    results = [ep for ep in actual_json['episodes'] if ep["jwPlayer"] == fileIDnoExt.replace("-15605065", "")]
    if len(results) == 0:
        continue
    else:
        episode = results[0]
    try:
        os.rename(fileIDnoExt + ".mp4", str(episode["order"]) + " - " + episode["title"] + ".mp4")
    except FileNotFoundError:
        os.rename(fileIDnoExt + "-15605065.mp4", str(episode["order"]) + " - " + episode["title"] + ".mp4")