def reset(self):
"""Reset the game to the initial state"""
option = self._input_func("Would you like to play again? [Y/N] ")
if (option == 'Y') or (option == 'y'):
self._game = ConnectFourBoard()
self.gameloop()
elif (option == 'N') or (option == 'n'):
self.breakloop = True
else:
print "That's not an option"
self.reset()
def __init__(self, input_func=raw_input, start=True): """Create a new game of Connect Four. If start is True (default) then the game starts playing immediately. If input_func is specified input will be pulled from there instead of raw_input.""" self._game = ConnectFourBoard() self._input_func = input_func self.breakloop = False if start: self.gameloop()
class BoardTests(unittest.TestCase): """Test the ConnectFourBoard class""" def setUp(self): """Instantiate a ConnectFourBoard for testing""" self.board = ConnectFourBoard() def playmoves(self, moves): """For each move in moves, play that move on the board.""" for move in moves: self.board.play(move) def verifyboard(self, blacklocations=[], whitelocations=[]): """Verify that the board reflects the expected plays. All verification is done through asserts, no return value. blacklocations and whitelocations are the (row,column) coordinates of each expected piece. Any location not listed in these collections is expected to be empty.""" for location in blacklocations: self.assertEqual(self.board._board[location[0]][location[1]], ConnectFourBoard.blackpiece) for location in whitelocations: self.assertEqual(self.board._board[location[0]][location[1]], ConnectFourBoard.whitepiece) otherlocations = [] for col in range(0,ConnectFourBoard._columns): for row in range(0,ConnectFourBoard._rows): if ([row, col] not in blacklocations) and ([row, col] not in whitelocations): otherlocations.append([row, col]) for location in otherlocations: self.assertEqual(self.board._board[location[0]][location[1]], ConnectFourBoard.emptyspace) def test_one_move(self): """Create a board and play one move""" self.board.play(0) self.verifyboard([[5,0]])
class ConnectFour:
def __init__(self, input_func=raw_input, start=True):
"""Create a new game of Connect Four.
If start is True (default) then the game starts playing immediately.
If input_func is specified input will be pulled from there instead of
raw_input."""
self._game = ConnectFourBoard()
self._input_func = input_func
self.breakloop = False
if start:
self.gameloop()
def gameloop(self):
"""Start the game and continue until the user quits."""
print "Welcome to Connect Four"
print "There are two colors: black and white. Each player plays one color."
print "They take turns choosing a column, a piece of their color is dropped into the chosen column."
print "If there are four pieces of the same color in a row (horizontal, vertical, or diagonal) the player of that color wins."
print "Black goes first. Good luck!"
while(not self.breakloop):
print self._game
if self._game.isgameover():
if self._game.winner() == "Tie":
print "Tie game!"
else:
print self._game.winner()+" wins!"
self.reset()
else:
print "It's "+self._getplayer()+"'s move."
self._docommand(self._input_func("What column would you like to drop in? [0–6] "))
def reset(self):
"""Reset the game to the initial state"""
option = self._input_func("Would you like to play again? [Y/N] ")
if (option == 'Y') or (option == 'y'):
self._game = ConnectFourBoard()
self.gameloop()
elif (option == 'N') or (option == 'n'):
self.breakloop = True
else:
print "That's not an option"
self.reset()
def _docommand(self, command):
if command in ['0', '1', '2', '3', '4', '5', '6']:
try:
self._game.play(int(command))
except ColumnFullException:
print "No can do, hombre, that column's full. Try again."
except GameOverException:
print "We're not playing anymore, the game is over."
elif command == 'q':
self.breakloop = True
elif command == 'u':
self._game.undo()
elif command == 'r':
try:
self._game.redo()
except InvalidMoveException:
print "You can't redo what you haven't undone (no moves to redo)"
else:
try:
limit = int(command)
i = 0
for p in self.eratosthenes():
print p
i += 1
if i >= limit:
break
except:
pass
def eratosthenes(self):
D = { }
q = 2
while 1:
if q not in D:
yield q
D[q*q] = [q]
else:
for p in D[q]:
D.setdefault(p+q, []).append(p)
del D[q]
q += 1
def _getplayer(self):
if self._game._nextplayer == ConnectFourBoard.blackpiece:
return "Black"
else:
return "White"
def setUp(self): """Instantiate a ConnectFourBoard for testing""" self.board = ConnectFourBoard()
