def write(self, brightness):
        """Set the brightness of the LED to `brightness`.

        `brightness` can be a boolean for on/off, or integer value for a
        specific brightness.

        Args:
            brightness (bool, int): Brightness value to set.

        Raises:
            LEDError: if an I/O or OS error occurs.
            TypeError: if `brightness` type is not bool or int.

        """
        if not isinstance(brightness, (bool, int)):
            raise TypeError("Invalid brightness type, should be bool or int.")

        if isinstance(brightness, bool):
            brightness = self._max_brightness if brightness else 0
        else:
            if not 0 <= brightness <= self._max_brightness:
                raise ValueError("Invalid brightness value, should be between 0 and %d." % self._max_brightness)

        # Write value
        try:
            os.write(self._fd, b"%d\n" % brightness)
        except OSError as e:
            raise LEDError(e.errno, "Writing LED brightness: " + e.strerror)

        # Rewind
        try:
            os.lseek(self._fd, 0, os.SEEK_SET)
        except OSError as e:
            raise LEDError(e.errno, "Rewinding LED brightness: " + e.strerror)
def write ( self , brightness ) : if not isinstance ( brightness , ( bool , int ) ) : raise TypeError ( "Invalid brightness type, should be bool or int." ) if isinstance ( brightness , bool ) : brightness = self . _max_brightness if brightness else 0 else : if not 0 <= brightness <= self . _max_brightness : raise ValueError ( "Invalid brightness value, should be between 0 and %d." % self . _max_brightness ) try : os . write ( self . _fd , b"%d\n" % brightness ) except OSError as e : raise LEDError ( e . errno , "Writing LED brightness: " + e . strerror ) try : os . lseek ( self . _fd , 0 , os . SEEK_SET ) except OSError as e : raise LEDError ( e . errno , "Rewinding LED brightness: " + e . strerror )
Set the brightness of the LED to `brightness`.

        `brightness` can be a boolean for on/off, or integer value for a
        specific brightness.

        Args:
            brightness (bool, int): Brightness value to set.

        Raises:
            LEDError: if an I/O or OS error occurs.
            TypeError: if `brightness` type is not bool or int.