def __getattr__(self, attr): # pylint: disable=invalid-name
"""Fallthrough to underlying FastbootProtocol handler.
Args:
attr: Attribute to get.
Returns:
Either the attribute from the device or a retrying function-wrapper
if attr is a method on the device.
"""
if not self._protocol:
raise usb_exceptions.HandleClosedError()
val = getattr(self._protocol, attr)
if callable(val):
def _retry_wrapper(*args, **kwargs):
"""Wrap the retry function."""
result = _retry_usb_function(self._num_retries, val, *args,
**kwargs)
_LOG.debug('LIBUSB FASTBOOT: %s(*%s, **%s) -> %s', attr, args,
kwargs, result)
return result
return _retry_wrapper
return val
def wrapper_requiring_open_handle(self, *args, **kwargs):
"""The wrapper to be returned."""
if self.is_closed():
raise usb_exceptions.HandleClosedError()
return method(self, *args, **kwargs)