OAuth Access Token Fetcher

This function uses the BackendApplicationClient and OAuth2Session classes from the OAuthlib library to fetch an access token. It takes client ID, client secret, and token URL as parameters, and then uses these parameters to fetch an access token from an OAuth2 service provider.

Technology Stack : OAuthlib, requests, requests_oauthlib

Code Type : Function

Code Difficulty : Intermediate

                
                    
import requests
from oauthlib.oauth2 import BackendApplicationClient
from requests_oauthlib import OAuth2Session

def fetch_access_token(client_id, client_secret, token_url):
    client = BackendApplicationClient(client_id=client_id)
    oauth_session = OAuth2Session(client=client)
    token = oauth_session.fetch_token(token_url=token_url, client_id=client_id, client_secret=client_secret)
    return token