OAuth2 Access Token Refresh Function

The function uses the OAuth2Session and BackendApplicationClient classes from the OAuthlib library to refresh an access token. It takes client ID, client secret, refresh token, and token URL as parameters, and then uses these to obtain a new access token.

Technology Stack : OAuthlib, requests

Code Type : Function

Code Difficulty : Intermediate

                
                    
def refresh_access_token(client_id, client_secret, refresh_token, token_url):
    from oauthlib.oauth2 import BackendApplicationClient, OAuth2Session
    from requests import post

    client = BackendApplicationClient(client_id=client_id)
    session = OAuth2Session(client=client)
    token = session.refresh_token(token_url, refresh_token=refresh_token, client_id=client_id, client_secret=client_secret)
    return token