def _get_access_token(self):
        """
        Get IAM access token using API key.
        """
        err = 'Failed to contact IAM token service'
        try:
            resp = super(IAMSession, self).request(
                'POST',
                self._token_url,
                auth=self._token_auth,
                headers={'Accepts': 'application/json'},
                data={
                    'grant_type': 'urn:ibm:params:oauth:grant-type:apikey',
                    'response_type': 'cloud_iam',
                    'apikey': self._api_key
                }
            )
            err = response_to_json_dict(resp).get('errorMessage', err)
            resp.raise_for_status()

            return response_to_json_dict(resp)['access_token']

        except KeyError:
            raise CloudantException('Invalid response from IAM token service')

        except RequestException:
            raise CloudantException(err)
def _get_access_token ( self ) : err = 'Failed to contact IAM token service' try : resp = super ( IAMSession , self ) . request ( 'POST' , self . _token_url , auth = self . _token_auth , headers = { 'Accepts' : 'application/json' } , data = { 'grant_type' : 'urn:ibm:params:oauth:grant-type:apikey' , 'response_type' : 'cloud_iam' , 'apikey' : self . _api_key } ) err = response_to_json_dict ( resp ) . get ( 'errorMessage' , err ) resp . raise_for_status ( ) return response_to_json_dict ( resp ) [ 'access_token' ] except KeyError : raise CloudantException ( 'Invalid response from IAM token service' ) except RequestException : raise CloudantException ( err )
Get IAM access token using API key.