old_contents: from flask.ext.restful import fields
  from meta import BasicResource
  from config.pins import PinManager
  
  MANAGER = PinManager()
  
  
  class Pin(BasicResource):
  
      def __init__(self):
          super(Pin, self).__init__()
          self.fields = {
              "num": fields.Integer,
              "mode": fields.String,
              "initial": fields.String,
              "resistor": fields.String
          }
  
  
  class PinList(Pin):
  
      def get(self):
          return self.response(MANAGER.pins, 200)
  
  
  class PinDetail(Pin):
  
      def get(self, pin_num):
          output = MANAGER.read(pin_num)
          if not output:
              return {'message': 'Pin not found'}, 404
          return self.response(output, 200)
  
      def put(self, pin_num):
          return {'pin': pin_num}
  
      def patch(self, pin_num):
          pass
  
new_contents: from flask.ext.restful import fields
  from meta import BasicResource
  from config.pins import PinManager
  
  MANAGER = PinManager()
  
  
  class Pin(BasicResource):
  
      def __init__(self):
          super(Pin, self).__init__()
          self.fields = {
              "num": fields.Integer,
              "mode": fields.String,
              "initial": fields.String,
              "resistor": fields.String
          }
  
  
  class PinList(Pin):
  
      def get(self):
          return self.response(MANAGER.pins, 200)
  
  
  class PinDetail(Pin):
  
      def __init__(self):
          super(PinDetail, self).__init__()
          self.fields['value'] = fields.Integer
  
      def get(self, pin_num):
          output = MANAGER.read(pin_num)
          if not output:
              return {'message': 'Pin not found'}, 404
          return self.response(output, 200)
  
      def put(self, pin_num):
          return {'pin': pin_num}
  
      def patch(self, pin_num):
          pass
  
subject: Add extra field to detail output