def _set_ble_connection_state()

in src/ble/ble_uart_peripheral.py [0:0]

• 24 lines of code
• 4 McCabe index (conditional complexity)

    def _set_ble_connection_state(self):
        '''
        Provides the connection state of this BLE device. Is private as BluePy is not thread safe
        and any request to this method while the thread has an active Rx/Tx proces causes an exception / error.

        If a state change is detected will update via the self.ble_state_change_callback()

        Don't call this function from outside of this thread, it is called in the thread loop 
        in a thread safe way and populates the self._conn_state variable. Access that via 
        get_connection_state() instead or is_connected().
        '''

        try:
            previous_state = self._conn_state.copy()

            if hasattr(self,'_ble_peripheral') and self._ble_peripheral:
                state = self._ble_peripheral.getState()
                self._conn_state =  {'connection-state' : state, 'addr-type' : self._ble_peripheral.addrType}
            else:
                # Used 'disc' = disconnected to match getState() return from BluePy when its initilised
                # https://github.com/IanHarvey/bluepy/blob/master/docs/peripheral.rst
                self._conn_state =  {'connection-state' : 'disc', 'addr-type' : 'N/A'}

        except Exception as err:
            self._conn_state = {'connection-state' : 'error', 'state-request-error' : str(err)}
        
        finally:
            # If connectivt=y state has changed, upfdate status callback.
            if (previous_state != self._conn_state):
                self.ble_state_change_callback(self.ble_mac, self._conn_state, previous_state)