text: __author__ = 'Cedric'
  
  from monopyly import *
  
  class BuyingPolicy(object):
      def __init__(self,threshold_buy_at_any_cost,keep_cash):
          '''
          ctor
          '''
          self.threshold = threshold_buy_at_any_cost
          self.keep_cash = keep_cash
  
      def compute(self, ai, game_state, player, property):
          '''
          Called when the AI lands on an unowned property. Only the active
          player receives this notification.
  
          Must return either the BUY or DO_NOT_BUY action from the
          PlayerAIBase.Action enum.
  
          The default behaviour is DO_NOT_BUY.
          '''
          for properties in ai.properties_weight:
              if properties[0] == property.name:
                  if properties[1] > self.threshold:
                      return PlayerAIBase.Action.BUY
                  elif player.state.cash > self.keep_cash:
                      return PlayerAIBase.Action.BUY
          return PlayerAIBase.Action.DO_NOT_BUY