Get Access Token for Managed Identity from Azure App Service

get_access_token.py

import requests
from os import environ

key_vault_name = "<key-vault-name-here>"
secret_name = "<secret-name-here>"

token_params = {"resource": "https://vault.azure.net", "api-version": "2019-08-01"}
token_response = requests.get(
   environ["IDENTITY_ENDPOINT"],
   params=token_params,
   headers={"X-IDENTITY-HEADER": environ["IDENTITY_HEADER"]},
)
token = token_response.json()["access_token"]
token

secret_params= {'api-version': '7.4'}
secret_response = requests.get(
   f"https://{key_vault_name}.vault.azure.net:443/secrets/{secret_name}/",
   params=secret_params,
   headers={"Authorization": f"Bearer {token}"},
)
secret_response
secret_response.json()['value']