pyTaco Code

class Directions:

  def __init__(self):
    self.north = None
    self.east = None
    self.south = None
    self.west = None
  
  def setNorth(self, room):
    self.north = room
    
  def getNorth():
    return self.north
  
  def setEast(self, room):
    self.east = room
    
  def getEast():
    return self.east
    
  def setSouth(self, room):
    self.south = room
    
  def getSouth():
    return self.south
    
  def setWest(self, room):
    self.west = room
    
  def getWest():
    return self.west
  
  def getAvailableDirections(self):
    return self.__filterUnavailableDirections()
    
  def __filterUnavailableDirections(self):
    directions = {"n" : self.north, "e" : self.east, "s" : self.south, "w" : self.west}
    filteredDirections = dict((k,v) for k,v in directions.items() if v != None)
    return filteredDirections
  
  def __buildDirectionsDescriptions(self, directions):
    descr = ""
    for i in range(len(directions.keys())):
      descr += directions.keys()[i]
      if i < len(directions.keys())-1:
        descr += ", "
    return descr
  
  def printInfo(self):
    directions = self.__filterUnavailableDirections()
    dirDescriptions = self.__buildDirectionsDescriptions(directions)
    print "Possible exits are: "+dirDescriptions