def test_shuffle():
deck = BlackjackDeck()
card = deck.draw_card()
n.assert_equal(len(deck), 51)
deck.shuffle()
n.assert_equal(len(deck), 52)
def test_deck_init():
deck = BlackjackDeck()
n.assert_equal(len(deck), 52)
card = deck.draw_card()
n.assert_equal(card.value_dict['Q'], 10)
def test_shuffle():
deck = BlackjackDeck()
card = deck.draw_card()
n.assert_equal(len(deck), 51)
deck.shuffle()
n.assert_equal(len(deck), 52)
class Blackjack(object):
def __init__(self, human = True):
self.human = human
self.game_deck = BlackjackDeck()
self.game_deck.shuffle()
self.dealer = self.create_dealer('Dealer')
self.game_counter = 0
self.PAYOUT = 1.5
self.DEALER_THRESHOLD = 17
self.ANTE = 5
def create_player(self, title):
if self.human:
name = raw_input("Enter %s's name: " % title)
else:
name = title
return BlackjackPlayer(name)
def create_dealer(self, title):
if self.human:
name = raw_input("Enter %s's name: " % title)
else:
name = title
return BlackjackPlayer(name, money = 0, is_dealer = True)
def deal_cards(self,n = 2):
for _ in xrange(n):
for player in self.players:
player.hand.receive_card(self.game_deck.draw_card())
self.dealer.hand.receive_card(self.game_deck.draw_card())
for player in self.players:
print player.hand_str()
print self.dealer.hand_str(True)
def actionHit(self, player, action = ''):
if self.human:
if action == 'H':
return True
elif action == 'S':
return False
else:
player.bet(raw_input("%s Make a bet: $" %player.name))
player_action = raw_input("%s Hit or Stand? (H/S): " %player.name).upper()
return self.actionHit(player, player_action)
else:
if player.hand.hand_value() > 19:
player.bet(10)
elif player.hand.hand_value() < 12 and player.hand.hand_value() > 8:
player.bet(5)
return player.hand.hand_value() < self.DEALER_THRESHOLD
def announce_winners(self, player):
player.calc_new_wallet_balance(self.PAYOUT)
print '%s Wallet Balance - $' %player.name + str(player.wallet)
if player.won:
print '%s Congratulations! You have won this round.' %player.name
else:
print 'Dealer won :('
print 'Sorry... try again?'
def play_next_round(self):
all_busted = []
for player in self.players:
# Handle all player hits
while player.hand.hand_value() < 22 and self.actionHit(player):
player.hand.receive_card(self.game_deck.draw_card())
print player.hand_str()
print self.dealer.hand_str(True)
# did player bust
if player.hand.hand_value() > 21:
print 'Player busted...'
print player.hand_str()
self.announce_winners(player)
all_busted.append(True)
else:
all_busted.append(False)
# great score
if player.hand.hand_value() == 21:
print 'Congratulations! You have Blackjack!!!'
player.won = True
self.announce_winners(player)
if all(all_busted):
return
while self.dealer.hand.hand_value() < self.DEALER_THRESHOLD:
self.dealer.hand.receive_card(self.game_deck.draw_card())
if self.dealer.hand.hand_value() > 21:
print 'Dealer busted...'
print self.dealer.hand_str()
for player in self.players:
print player.hand_str()
if player.hand.hand_value() < 21:
player.won = player.hand >= self.dealer.hand or self.dealer.hand.hand_value() > 21
self.announce_winners(player)
print self.dealer.hand_str()
def howManyPlayers(self):
if self.human:
nPlayers = int(raw_input("Enter the number of players (no more than 10):"))
self.players = [self.create_player('Player %s' %str(i+1)) for i in xrange(nPlayers)]
def playAgain(self, action = ''):
if self.human:
if action == 'Y':
return True
elif action == 'N':
return False
else:
player_action = raw_input("Do you want to play another round (Y/N): ").upper()
return self.playAgain(player_action)
else:
return self.game_counter < 100
def play_game(self):
self.howManyPlayers()
while True:
for player in self.players:
player.hand.reset_hand()
player.won = False
player.bet(self.ANTE)
self.dealer.hand.reset_hand()
self.game_deck.shuffle()
self.deal_cards()
self.play_next_round()
self.game_counter += 1
if not self.playAgain():
break
def test_deck_init():
deck = BlackjackDeck()
n.assert_equal(len(deck), 52)
card = deck.draw_card()
n.assert_equal(card.value_dict['Q'], 10)
