fetchDescription.py

# This YouTube video has a number of other people
# involved and links to them in the description in
# a clean way. Should serve as a good origin node.
ORIGIN_VIDEO_ID = "zUDqI9PJpc8"

import os
import json
import google_auth_oauthlib.flow
import googleapiclient.discovery
import googleapiclient.errors

scopes = ["https://www.googleapis.com/auth/youtube.readonly"]

def fetch_description(videoId):
    
    # Disable OAuthlib's HTTPS verification when running locally.
    # *DO NOT* leave this option enabled in production.
    os.environ["OAUTHLIB_INSECURE_TRANSPORT"] = "1"

    api_service_name = "youtube"
    api_version = "v3"
    client_secrets_file = "client_secrets.json"

    # Get credentials and create an API client
    flow = google_auth_oauthlib.flow.InstalledAppFlow.from_client_secrets_file(
        client_secrets_file, scopes)
    credentials = flow.run_console()
    youtube = googleapiclient.discovery.build(
        api_service_name, api_version, credentials=credentials)

    request = youtube.videos().list(
        part="snippet",
        id=videoId
    )
    response = request.execute()
    description = response["items"][0]["snippet"]["description"]
    
    return(description)
    
if __name__ == "__main__":
    print(fetch_description(ORIGIN_VIDEO_ID))