old_contents: # -*- coding: utf-8 -*-
  
  import time
  import logging
  from logging import StreamHandler, Formatter
  from logging.handlers import RotatingFileHandler
  
  
  from cloud4rpi.config import mqqtBrokerHost
  from cloud4rpi.config import mqttBrokerPort
  from cloud4rpi.config import loggerName
  
  from cloud4rpi.device import Device
  from cloud4rpi.mqtt_api import MqttApi
  from cloud4rpi.errors import get_error_message
  
  log = logging.getLogger(loggerName)
  log.setLevel(logging.INFO)
  log.addHandler(StreamHandler())
  
  
  def connect(device_token,
              host=mqqtBrokerHost,
              port=mqttBrokerPort):
      api = MqttApi(device_token, host, port)
      __attempt_to_connect_with_retries(api)
      return Device(api)
  
  
  def __attempt_to_connect_with_retries(api, attempts=10):
      retry_interval = 5
      for attempt in range(attempts):
          try:
              api.connect()
          except Exception as e:
              log.debug('MQTT connection error %s. Attempt %s', e, attempt)
              time.sleep(retry_interval)
              continue
          else:
              break
      else:
  
          raise Exception('Impossible to connect to MQTT broker. Quiting.')
  
  
  def set_logging_to_file(log_file_path):
      log_file = RotatingFileHandler(
          log_file_path,
          maxBytes=1024 * 1024,
          backupCount=10
      )
      log_file.setFormatter(Formatter('%(asctime)s: %(message)s'))
      log.addHandler(log_file)
  
new_contents: # -*- coding: utf-8 -*-
  
  import time
  import logging
  from logging import StreamHandler, Formatter
  from logging.handlers import RotatingFileHandler
  
  
  from cloud4rpi.config import mqqtBrokerHost
  from cloud4rpi.config import mqttBrokerPort
  from cloud4rpi.config import loggerName
  
  from cloud4rpi.device import Device
  from cloud4rpi.mqtt_api import MqttApi
  from cloud4rpi.errors import get_error_message
  
  log = logging.getLogger(loggerName)
  log.setLevel(logging.INFO)
  log.addHandler(StreamHandler())
  
  
  def connect(device_token,
              host=mqqtBrokerHost,
              port=mqttBrokerPort):
      api = MqttApi(device_token, host, port)
      __attempt_to_connect_with_retries(api)
      return Device(api)
  
  
  def __attempt_to_connect_with_retries(api, attempts=10):
      retry_interval = 5
      for attempt in range(attempts):
          try:
              api.connect()
          except Exception as e:
              log.debug('MQTT connection error %s. Attempt %s', e, attempt)
              time.sleep(retry_interval)
              continue
          else:
              break
      else:
  
          raise Exception('Impossible to connect to MQTT broker. Quiting.')
  
  
  def set_logging_to_file(log_file_path):
      log_file = RotatingFileHandler(
          log_file_path,
          maxBytes=1024 * 1024,
          backupCount=10
      )
      log_file.setFormatter(Formatter('%(asctime)s: %(message)s'))
      log.addHandler(log_file)
  
  
  def set_logging_level(level=logging.INFO):
      log.setLevel(level)
  
subject: allow to seting up cloud4rpi logging level (#21)