Store and initialize a verified set of OAuth credentials

def _init_oauth(self, oauth_token, oauth_token_secret):
        "Store and initialize a verified set of OAuth credentials"
        self.oauth_token = oauth_token
        self.oauth_token_secret = oauth_token_secret

        self._oauth = OAuth1(
            self.consumer_key,
            client_secret=self.consumer_secret,
            resource_owner_key=self.oauth_token,
            resource_owner_secret=self.oauth_token_secret,
            rsa_key=self.rsa_key,
            signature_method=self._signature_method
        )