Finally i can’t do it by myself so i asked for help on freelancer.com and Abdul Wahid M. adapt the original code for me. it is available here pastebin.com/rTSqV8gV
The script will match movies in your existing movies library to the IMDB list, then create a new Plex collection.
As the original one It will also tell you which movies you are missing from your library.
Note: Your existing movie library must be using the “Plex Movie” agent in order for your movies to have IMDB IDs.
WARNING: Use at your own risk! I am not responsible for damages to your Plex server or libraries.
Sorry to bump this old threat, but has there been any progress on updating this very cool functionality to incorporate the changes to IMDB - I have been looking for something very similar but cannot find anything.
Also, was this restricted to creating ‘collections’ or could it also create ‘playlists’ in Plex based on IMDB watchlists?