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Why are fetched ratings inconsistent (RT / IMDb / star rating shown at movies)?

jant90jant90 Members Posts: 15 ✭✭

I just moved Plex to a new server (PMS 1.5.6.3790 on Manjaro/Arch) and I'm currently in the process of doing a full initial library scan. I configured the Plex Movie agent to use Rotten Tomatoes as the ratings source. The movies section is ready and here I noticed the following: movies get ratings from either IMDb or RT, or sometimes the source is entirely unclear (when it has a percentage rating next to a star without a RT or IMDb logo).

Why is the ratings source that Plex uses so inconsistent? I looked some of these movies up and even big productions that have lots of votes on those platforms receive these vague percentage star ratings. For example Scarface (tt0086250) and Prisoners (tt1392214) receive a star rating of 79% (so I don't know what the rating source is at there is no RT or IMDb logo), while these big productions have lots of votes and reviews. I assume Plex is using the OMDb API (is entirely a guess but that's the only API I know of that supports IMDb ratings) so I also looked these movies up in their database and I found full rating data from both IMDb and RT for these movies.

So I guess my question is: is there something I can do to get Plex to fetch more consistent ratings? I would prefer it if all ratings came from a single provider (so either IMDb or RT), of course it would be even better if Plex would simply store all ratings from the various sources that it can fetch from. Or is this perhaps a bug in the Plex Movie agent that needs to be addressed?

Thanks for reading!

Answers

  • jant90jant90 Members Posts: 15 ✭✭

    The initial library scan finished and I tried refreshing some movies that received a percentage star rating and I found that the RT rating is fetched then in most cases. To be honest this is kind of frustrating because that means the rating is available through the metadata agents of Plex but somehow didn't get fetched on the initial scan and now I have to do it manually for a lot of movies.

    So I assume this is a bug in the Plex Movie agent and I hope this report reaches the developers.

    Also it doesn't work for movies that received an IMDb rating, when refreshing those they keep their IMDb rating and don't get updated to the RT rating. So for those movies manually refreshing doesn't even solve the problem yet.

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