TTT_-- FINAL FINAL.py

#!/usr/bin/env python

#Author: Pruthvi Raj ( [email protected] )
#Date: 10-March-2016

import re, copy, random

class TicTacToe:
    def __init__(self):
        self.magic_square = [8, 1, 6, 3, 5, 7, 4, 9, 2]
        self.player_marker = 'X'
        self.computer_marker = 'O'
        self.board = [' '] * 9
        self.board_design = "| %s |  | %s |  | %s |\n\n| %s |  | %s |  | %s |\n\n| %s |  | %s |  | %s |\n"
        self.player_playing = "n"

    def print_board(self):
        self.boardValues = [x for x in tuple(self.board) if x != '0']
        print(self.board_design) % tuple(self.board)

    def start_game(self):
        self.player_playing = raw_input("Are you making the first move (y/n) :")
        while self.player_playing not in ['y', 'n']:
            print('Please enter either "y" or "n"')
            self.player_playing = raw_input("Are you making the first move (y/n) :")
        print('Your moves are %ss' % self.player_marker)
        self.print_board()
        print("Welcome to the Tic Tac Toe Game")
        self.game_end = False
        while not self.game_end:
            if self.player_playing == "y":
                self.get_player_move()
            else:
                self.get_computer_move()
            self.print_board()
            player_magic_matrix = [self.magic_square[x] if self.board[x] == 'X' else 0 for x in
                                   range(0, len(self.board))]
            computer_magic_matrix = [self.magic_square[x] if self.board[x] == 'O' else 0 for x in
                                     range(0, len(self.board))]
            if self.check_win_magic_matrix(player_magic_matrix):
                print("You won!!")
                self.game_end = True
            elif self.check_win_magic_matrix(computer_magic_matrix):
                print("Computer won")
                self.game_end = True
            elif self.is_board_full():
                print("Game Drawn!")
                self.game_end = True

    def is_board_full(self):
        if self.board.count(' ') == 0:
            return True
        else:
            return False

    def check_win_magic_matrix(self, matrix):
        vals = [sum(matrix[0:3]), sum(matrix[3:6]), sum(matrix[6:9]),
                sum([matrix[0], matrix[4], matrix[8]])
            , sum([matrix[2], matrix[4], matrix[6]])
            , sum([matrix[0], matrix[3], matrix[6]])
            , sum([matrix[1], matrix[4], matrix[7]])
            , sum([matrix[2], matrix[5], matrix[8]])]
        if 15 in vals:
            return True
        else:
            return False

    def get_computer_move(self):
        print("Computer made a move:")
        move_made = [False]
        for i in range(0, len(self.board)):
            board_copy = copy.deepcopy(self.board)
            if self.is_not_used(i):
                board_copy[i] = self.computer_marker
                board_copy_magic_matrix = [self.magic_square[x] if board_copy[x] == 'O' else 0 for x in
                                           range(0, len(board_copy))]
                if self.check_win_magic_matrix(board_copy_magic_matrix):
                    self.board[i] = self.computer_marker
                    move_made[0] = True
                    break

        if not move_made[0]:
            for i in range(0, len(self.board)):
                board_copy = copy.deepcopy(self.board)
                if self.is_not_used(i):
                    board_copy[i] = self.player_marker
                    board_copy_magic_matrix = [self.magic_square[x] if board_copy[x] == 'X' else 0 for x in
                                               range(0, len(board_copy))]
                    if self.check_win_magic_matrix(board_copy_magic_matrix):
                        self.board[i] = self.computer_marker
                        move_made[0] = True
                        break

        if not move_made[0]:
            move_made[0] = self.make_random_move([0, 2, 6, 8])

        if not move_made[0]:
            move_made[0] = self.make_random_move([4])

        if not move_made[0]:
            move_made[0] = self.make_random_move([1, 3, 5, 7])
        self.player_playing = "y"

    def make_random_move(self, spaces_to_check):
        free_spaces = [x for x in spaces_to_check if self.board[x] == ' ']
        if len(free_spaces) > 0:
            random_free_space = random.choice(free_spaces)
            self.board[random_free_space] = self.computer_marker
            return True
        return False

    def is_not_used(self, index):
        return self.board[index] == ' '

    def get_player_move(self):
        valid_player_move = False
        while not valid_player_move:
            player_move = raw_input("Enter your move [1-9]: ")
            if re.match('\d+', player_move):
                player_move_integer = int(player_move)
                if player_move_integer < 1 or player_move_integer > 9:
                    print("Please enter a valid move")
                elif self.board[player_move_integer - 1] != ' ':
                    print("Please enter a valid move")
                else:
                    self.board[player_move_integer - 1] = self.player_marker
                    valid_player_move = True
            else:
                print("Only integers [1-9] are allowed\nPlease enter a valid move")
        self.player_playing = "n"


if __name__ == "__main__":
    Game = TicTacToe()
    Game.start_game()