gameboard.py

INTTOODOMETER = {0:"0",1:"1",2:"2",3:"3",4:"4",5:"5",6:"6",7:"7",8:"8",9:"9",
                 10:"A",11:"B",12:"C",13:"D",14:"E",15:"F",16:"G",17:"H",18:"I",
                 19:"J",20:"K",21:"L",22:"M",23:"N",24:"O",25:"P",26:"Q",27:"R",
                 28:"S",29:"T",30:"U",31:"V",32:"W",33:"X",34:"Y",35:"Z"}

class GameBoard:
    def __init__(self, N=None, p=None, q=None, board=None):
        """
        	 * p, q, N represent the dimensions of a game board.
        	 * Assuming a game board has values p = 3, q = 4, N = 12,
        	 * an empty board will look like this.
        	 *
        	 * [] [] [] [] | [] [] [] [] | [] [] [] []
        	 * [] [] [] [] | [] [] [] [] | [] [] [] []
        	 * [] [] [] [] | [] [] [] [] | [] [] [] []
        	 * ---------------------------------------
        	 * [] [] [] [] | [] [] [] [] | [] [] [] []
        	 * [] [] [] [] | [] [] [] [] | [] [] [] []
        	 * [] [] [] [] | [] [] [] [] | [] [] [] []
        	 * ---------------------------------------
        	 * [] [] [] [] | [] [] [] [] | [] [] [] []
        	 * [] [] [] [] | [] [] [] [] | [] [] [] []
        	 * [] [] [] [] | [] [] [] [] | [] [] [] []
        	 * ---------------------------------------
        	 * [] [] [] [] | [] [] [] [] | [] [] [] []
        	 * [] [] [] [] | [] [] [] [] | [] [] [] []
        	 * [] [] [] [] | [] [] [] [] | [] [] [] []
        """
        if (N < 1 or (N != p * q)):
            print("Board parameters invalid. Creating a 9x9 sudoku file instead.")
            self.p = 3
            self.q = 3
            self.N = 9
            self.board = [[0 for j in range(9)] for i in range(9)]
        else:
            self.p = p # number of rows in a block && number of blocks per row
            self.q = q # number of columns in a block && number of blocks per column
            self.N = N # number of cells in a block && edge length of a NxN puzzle

            if board == None:
                self.board = [[0 for j in range(9)] for i in range(9)]
            else:
                self.board = board


    ######### String Representation #########
    def __str__(self):
        output = "N:"+ str(self.N) + "\tp:" + str(self.p) + "\tq:" \
                                            + str(self.q) + "\n"
        for i in range(self.N):
            for j in range(self.N):
                try:
                    output += INTTOODOMETER[self.board[i][j]] + " "
                except:
                    pass

                if (j+1) % self.q == 0 and j!=0 and j != (self.N - 1):
                    output += "| "

            output += "\n"
            if (i+1) % self.p == 0 and i!=0 and i != (self.N - 1):
                for k in range(self.N + self.p - 1):
                    output += "- "
                output += "\n"
        return output