Cell

cell.py

import Queue as queue

NORTH = 0
EAST = 1
SOUTH = 2
WEST = 3

class Cell:
 
  #Walls are defined clockwise, [N,E,S,W], with 1 being a wall and 0 the lack of
  def __init__(self, location):
    self.location = location
    self.borders = [1,1,1,1]
    self.walls = [1,1,1,1]

  def get_location(self):
    return self.location

  def has_border(self, direction):
    self.__check_direction(direction)
    return self.borders[direction]

  def has_wall(self, direction):
    self.__check_direction(direction)
    return self.walls[direction]

  def set_border(self, direction, value):
    self.__check_direction(direction)
    self.borders[direction] = value

  def set_wall(self, direction, value):
    self.__check_direction(direction)
    self.walls[direction] = value

  def __check_direction(self, direction):
    if direction > WEST or direction < NORTH:
      raise ValueError("Invalid direction.")