text: # -*- coding: utf-8 -*-
  
  # environment variable name
  PEPPER_SERVICE = 'PEPPER_SERVICE'
  PEPPER_SERVICEPATH = 'PEPPER_SERVICEPATH'
  PEPPER_TYPE = 'PEPPER_TYPE'
  PEPPER_1_ID = 'PEPPER_1_ID'
  PEPPER_2_ID = 'PEPPER_2_ID'
  ROBOT_SERVICE = 'ROBOT_SERVICE'
  ROBOT_SERVICEPATH = 'ROBOT_SERVICEPATH'
  ROBOT_TYPE = 'ROBOT_TYPE'
  START_MOVEMENT_SERVICE = 'START_MOVEMENT_SERVICE'
  START_MOVEMENT_SERVICEPATH = 'START_MOVEMENT_SERVICEPATH'
  START_MOVEMENT_ID = 'START_MOVEMENT_ID'
  START_MOVEMENT_TYPE = 'START_MOVEMENT_TYPE'
  MONGODB_URL = 'MONGODB_URL'
  MONGODB_REPLICASET = 'MONGODB_REPLICASET'
  FACE_API_KEY = 'FACE_API_KEY'
  FACE_API_BASEURL = 'FACE_API_BASEURL'
  FACE_VERIFY_DELTA_MIN = 'FACE_VERIFY_DELTA_MIN'
  
  # current app
  DEFAULT_FACE_VERIFY_DELTA_MIN = 'DEFAULT_FACE_VERIFY_DELTA_MIN'
  
  # destination specification
  DEST_FLOOR = 'floor'
  
  # mongodb
  MONGODB_DATABASE = 'ledger'
  MONGODB_COLLECTION = 'visitors'
  
  # robot state
  WAITING = 'Waiting'
  GUIDING = 'Guiding'
  SUSPENDING = 'Suspending'
  RETURNING = 'Returning'
  