def wait()

in utils/ci_iot_thing.py [0:0]

• 20 lines of code
• 6 McCabe index (conditional complexity)

    def wait(self, thing_name):
        start = time.monotonic()
        sleep = self._delay

        while True:
            try:
                resp = self._client.list_thing_principals(thingName=thing_name)
            except ClientError as e:
                if e.response["Error"]["Code"] == "ResourceNotFoundException":
                    return
                raise

            if not resp.get("principals"):
                # No principals, we can move on.
                return

            if time.monotonic() - start > self._timeout:
                raise WaiterError(
                    name="ThingDetached",
                    reason="timeout",
                    last_response=resp,
                )

            time.sleep(sleep)
            sleep = min(sleep * 1.6, self._max_delay) # exponential backoff on retrys