Simply PlexAPI Collections

from plexapi.myplex import MyPlexAccount
from plexapi.server import PlexServer
from plexapi.media import Media
from pprint import pprint
import requests
import sys

if len(sys.argv) != 3:
    print("Input Error! Usage: updatecoll.py {/path/to/videos/folder/} {CollectionName}")
    sys.exit(1)

PLEX_URL = 'http://localhost:32400'
PLEX_TOKEN = 'plextokengoeshere'
PATH_FOLDER = sys.argv[1]
COLLECTION_NAME = sys.argv[2]

plex = PlexServer(PLEX_URL, PLEX_TOKEN)

for video in plex.library.section('Movies').all():
    for part in video.iterParts():
        if part.file[0:len(PATH_FOLDER)] == PATH_FOLDER:
            hasCollection = False
            for tag in video.collections:
                if tag.tag == COLLECTION_NAME:
                    hasCollection = True
            if hasCollection == True:
                continue
            video.addCollection(COLLECTION_NAME)