Tests if auth is ready to make a request for msg with.
For most auths, this is equivalent to soup.auth.Auth.isAuthenticated, but for
some auth types (eg, NTLM), the auth may be sendable (eg, as an
authentication request) even before it is authenticated.
Tests if auth is ready to make a request for msg with.
For most auths, this is equivalent to soup.auth.Auth.isAuthenticated, but for some auth types (eg, NTLM), the auth may be sendable (eg, as an authentication request) even before it is authenticated.