Updates all metadata in the PlexPy database after moving Plex libraries.

update_all_metadata.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Description:  Updates all metadata in the PlexPy database after moving Plex libraries.
# Author:       /u/SwiftPanda16
# Requires:     plexapi, requests

from plexapi.server import PlexServer
import requests

### EDIT SETTINGS ###

## NOTE: Only works with movie and tv show libraries.
## NOTE: Script requires 'api_sql = 1' to be enabled in the PlexPy config.ini file.

PLEXPY_URL = 'http://localhost:8181'
PLEXPY_APIKEY = 'xxxxxxxxxx'
PLEX_URL = 'http://localhost:32400'
PLEX_TOKEN = 'xxxxxxxxxx'

FALLBACK_MATCH_TITLE_YEAR = True  # True or False, fallback to matching by title and year if matching my ID fails
DRY_RUN = True  # True to dry run without making changes to the PlexPy database, False to make changes



## CODE BELOW ##

def get_id_from_guid(guid):
    id = None
    if 'imdb://' in guid:
        id = guid.split('imdb://')[1].split('?')[0]
    elif 'themoviedb://' in guid:
        id = guid.split('themoviedb://')[1].split('?')[0]
    elif 'thetvdb://' in guid:
        id = guid.split('thetvdb://')[1].split('?')[0].split('/')[0]
    elif 'thetvdbdvdorder://' in guid:
        id = guid.split('thetvdbdvdorder://')[1].split('?')[0].split('/')[0]
    return id


def main():
    new_key_map = {}
    old_key_map = {}
    COUNT = 0

    # Check for DRY_RUN. Backup PlexPy database if needed.
    if DRY_RUN:
        print("Dry run enabled. No changes will be made to the PlexPy database.")
    else:
        print("Not dry run. Creating a backup of the PlexPy database.")
        params = {'cmd': 'backup_db',
                  'apikey': PLEXPY_APIKEY,
                  }
        requests.post(PLEXPY_URL.rstrip('/') + '/api/v2', params=params)

    # Get all old items from the PlexPy database (using raw SQL)
    print("Retrieving all history items from the PlexPy database...")

    params = {'cmd': 'sql',
              'apikey': PLEXPY_APIKEY,
              'query': 'SELECT rating_key, grandparent_rating_key, title, grandparent_title, year, media_type, guid FROM session_history_metadata;'
              }
    r = requests.get(PLEXPY_URL.rstrip('/') + '/api/v2', params=params).json()

    if r['response']['result'] == 'error':
        print("Error retrieving PlexPy history: {}".format(r['response']['message']))
        print("Exiting script...")
        return

    else:
        for row in r['response']['data']:
            if row['media_type'] not in ('movie', 'episode'):
                continue

            id = get_id_from_guid(row['guid'])
            if id:
                key = row['grandparent_rating_key'] or row['rating_key']
                media_type = 'show' if row['media_type'] == 'episode' else row['media_type']
                title = row['grandparent_title'] or row['title']
                year = row['year']

                old_key_map[id] = (key, media_type, title, year)
                #print(id, key, title)
            else:
                title = row['grandparent_title'] or row['title']
                print("...Invalid guid for '{title}' in the PlexPy database. Guid: {guid}".format(title=title, guid=row['guid']))

    old_title_map = {(title, year): (id, key, media_type) for id, (key, media_type, title, year) in old_key_map.items()}

    # Get all new items from the Plex server
    print("Retrieving all library items from the Plex server...")

    plex = PlexServer(PLEX_URL, PLEX_TOKEN)

    for library in plex.library.sections():
        if library.type not in ('movie', 'show') or library.agent == 'com.plexapp.agents.none':
            print("...Skipping library: {title}".format(title=library.title))
            continue

        print("...Scanning library: {title}".format(title=library.title))
        for item in library.all():
            id = get_id_from_guid(item.guid)
            if id:
                new_key_map[id] = (item.ratingKey, item.type, item.title, str(item.year))
            else:
                print("Missing guid for '{item.title}' in the Plex library. Skipping...".format(item=item))

    new_title_map = {(title, year): (id, key, media_type) for id, (key, media_type, title, year) in new_key_map.items()}

    # Update metadata in the PlexPy database
    print("{}Updating all metadata in the PlexPy database...".format("(DRY RUN) " if DRY_RUN else ""))

    for id, (old_rating_key, old_type, title, year) in old_key_map.items():
        new_rating_key, new_type, _, _ = new_key_map.get(id, (None, None, None, None))

        if not new_rating_key and FALLBACK_MATCH_TITLE_YEAR:
            _, new_rating_key, new_type = new_title_map.get((title, year), (None, None, None))

        if new_rating_key:
            if new_rating_key != old_rating_key and new_type == old_type:
                if not DRY_RUN:
                    params = {'cmd': 'update_metadata_details',
                              'apikey': PLEXPY_APIKEY,
                              'old_rating_key': old_rating_key,
                              'new_rating_key': new_rating_key,
                              'media_type': new_type}
                    requests.post(PLEXPY_URL + '/api/v2', params=params)
                print("...Updated '{title} {year}' ({old} --> {new})".format(title=title.encode('UTF-8'),
                    year=year, old=old_rating_key, new=new_rating_key))
                COUNT += 1
        else:
            print("...No mapping for the '{title} {year}' ({old}). Metadata not updated.".format(title=title.encode('UTF-8'), year=year, old=old_rating_key))

    print('Updated metadata for %s items' % COUNT)


if __name__ == "__main__":
    main()

    print("Done.")