old_contents: # Copyright (c) 2017 Jared Crapo, K0TFU
  
  import persistent
  import persistent.mapping
  
  from netcontrol.session import Session
  
  class Net(persistent.Persistent):
  
      """Persistable class for a ham radio net
      
      Capture the core data for a ham radio net. See Session for a
      specific instance of a net.
      
      Attributes
      ----------
      name: str
          Name of this net
      schedule: str
          When this net occurs, i.e. "Every Thursday at 8:30pm"
      frequency: str
          Frequency where the net occurs, i.e. "447.100- T100Hz"
      manager: Operator
          The Operator who is the manager of this net
      operators: dict
          The Operators who have been seen on this net
      sessions: list
          list of sessions when this net has occured
  
      """
  
      def __init__(self):
          self.name = None
          self.schedule = None
          self.frequency = None
          self.manager = None
          self.operators = persistent.mapping.PersistentMapping()
          self.sessions = persistent.list.PersistentList()
  
      def add_operator(self,operator):
          # don't add operators without a callsign
          if operator.callsign:
              # use the callsign as the key = no duplicates
              # self.operators[operator.callsign] = operator
              self.operators[operator.callsign] = operator
  
      def new_session(self):
          # create a new session
          s = Session(self)
          self.sessions.append(s)
          return s
  
  
new_contents: # Copyright (c) 2017 Jared Crapo, K0TFU
  
  import persistent
  import persistent.mapping
  
  from netcontrol.session import Session
  
  class Net(persistent.Persistent):
  
      """Persistable class for a ham radio net
      
      Capture the core data for a ham radio net. See Session for a
      specific instance of a net.
      
      Attributes
      ----------
      name: str
          Name of this net
      schedule: str
          When this net occurs, i.e. "Every Thursday at 8:30pm"
      frequency: str
          Frequency where the net occurs, i.e. "447.100- T100Hz"
      manager: Operator
          The Operator who is the manager of this net
      operators: dict
          The Operators who have been seen on this net
      sessions: list
          list of sessions when this net has occured
  
      """
  
      def __init__(self):
          # TODO explore @property for these
          self.name = None
          self.schedule = None
          self.frequency = None
          self.manager = None
          self.operators = persistent.mapping.PersistentMapping()
          self.sessions = persistent.list.PersistentList()
  
      def add_operator(self,operator):
          # don't add operators without a callsign
          if operator.callsign:
              # use the callsign as the key = no duplicates
              # self.operators[operator.callsign] = operator
              self.operators[operator.callsign] = operator
  
      def new_session(self):
          # create a new session
          s = Session(self)
          self.sessions.append(s)
          return s
  
  
subject: Add TODO