How to Upload a Video to YouTube with Python and the Data API

import os
from google_auth_oauthlib.flow import InstalledAppFlow
from google.oauth2.credentials import Credentials
from googleapiclient.discovery import build
from googleapiclient.http import MediaFileUpload

SCOPES = ["https://www.googleapis.com/auth/youtube.force-ssl"]

def service():
    if os.path.exists("token.json"):
        creds = Credentials.from_authorized_user_file("token.json", SCOPES)
    else:
        flow = InstalledAppFlow.from_client_secrets_file("client_secret.json", SCOPES)
        creds = flow.run_local_server(port=0)
        open("token.json", "w").write(creds.to_json())
    return build("youtube", "v3", credentials=creds)

def upload(path):
    body = {
        "snippet": {
            "title": "My automated upload",
            "description": "Uploaded via the YouTube Data API.",
            "tags": ["automation", "api"],
            "categoryId": "22",
        },
        "status": {"privacyStatus": "private"},
    }
    media = MediaFileUpload(path, chunksize=-1, resumable=True)
    req = service().videos().insert(part="snippet,status", body=body, media_body=media)
    res = None
    while res is None:
        status, res = req.next_chunk()
        if status:
            print(f"{int(status.progress() * 100)}%")
    print("Done. Video id:", res["id"])

if __name__ == "__main__":
    upload("final.mp4")