code: def requires_basic_auth(f):
      
  
      def check_auth(username, password):
          return username == "guest" and password == "secret"
  
      def authenticate():
          return Response(
              "Authentication required.", 401,
              {"WWW-Authenticate": "Basic realm='Login Required'"},
          )
  
      @wraps(f)
      def decorated(*args, **kwargs):
          # NOTE: This example will require Basic Auth only when you run the
          # app directly. For unit tests, we can't block it from getting the
          # Swagger specs so we just allow it to go thru without auth.
          # The following two lines of code wouldn't be needed in a normal
          # production environment.
          if __name__ != "__main__":
              return f(*args, **kwargs)
  
          auth = request.authorization
          if not auth or not check_auth(auth.username, auth.password):
              return authenticate()
          return f(*args, **kwargs)
  
      return decorated
docs: Decorator to require HTTP Basic Auth for your endpoint.