Can't upload video to youtube using upload_video.py script. What did you do wrong?

Question

Google

Studied https://developers.google.com/youtube/v3/guides/up...
Created client_secrets.json and upload_video.py
Contents of client_secrets.json
pastebin.com/NGc3Dtyp
Keys and other data in client_secrets.json replaced)
In Google Developers Console in Client ID for web application is specified:

CLIENT ID ...
EMAIL ADDRESS ...
CLIENT SECRET ...
REDIRECT URIS none
JAVASCRIPT ORIGINS none

I call the python script upload_video.py --file=video.mp4
And it produces:

WARNING: Please configure OAuth 2.0
To make this sample run you will need to populate the client_secrets.json file
found at:
/home/user/client_secrets.json
with information from the APIs Console
https://code.google.com/apis/ console#access
For more information about the client_secrets.json file format, please visit:
https://developers.google.com/api-client-library/p...

How to upload to Youtube using the upload_video.py script? Thank you.

Answer 1

The library, in my opinion, is old and there may have been changes on the server side. I recommend to go through all the download calls, maybe somewhere something is not working correctly.