Coursera Week 6 mini-project - in progress - suggestions welcome

Coursera_BlackJack_InProgress.txt

# Mini-project #6 - Blackjack
#codeskulptor URL http://www.codeskulptor.org/#user40_OeuznosqZM_6.,  http://www.codeskulptor.org/#user40_Mc8uD9d4lL_3.py



import simplegui
import random

# load card sprite - 936x384 - source: jfitz.com
CARD_SIZE = (72, 96)
CARD_CENTER = (36, 48)
card_images = simplegui.load_image("http://storage.googleapis.com/codeskulptor-assets/cards_jfitz.png")

CARD_BACK_SIZE = (72, 96)
CARD_BACK_CENTER = (36, 48)
card_back = simplegui.load_image("http://storage.googleapis.com/codeskulptor-assets/card_jfitz_back.png")    

# initialize some useful global variables
in_play = False
outcome = ""
score = 0

# define globals for cards
SUITS = ('C', 'S', 'H', 'D')
RANKS = ('A', '2', '3', '4', '5', '6', '7', '8', '9', 'T', 'J', 'Q', 'K')
VALUES = {'A':1, '2':2, '3':3, '4':4, '5':5, '6':6, '7':7, '8':8, '9':9, 'T':10, 'J':10, 'Q':10, 'K':10}


# define card class
class Card:
    def __init__(self, suit, rank):
        if (suit in SUITS) and (rank in RANKS):
            self.suit = suit
            self.rank = rank
        else:
            self.suit = None
            self.rank = None
            print "Invalid card: ", suit, rank

    def __str__(self):
        return self.suit + self.rank

    def get_suit(self):
        return self.suit

    def get_rank(self):
        return self.rank

    def draw(self, canvas, pos):
        card_loc = (CARD_CENTER[0] + CARD_SIZE[0] * RANKS.index(self.rank), 
                    CARD_CENTER[1] + CARD_SIZE[1] * SUITS.index(self.suit))
        canvas.draw_image(card_images, card_loc, CARD_SIZE, [pos[0] + CARD_CENTER[0], pos[1] + CARD_CENTER[1]], CARD_SIZE)
        
# define hand class
class Hand:
    def __init__(self):
        self.hand = []
        
    def __str__(self):
        text = "Hand contains"
        for i in range(len(self.hand)):
            text += ' ' + str(self.hand[i])
        return text

    def add_card(self, card):
        self.hand.append(card)
        
    def get_value(self):
        # count aces as 1, if the hand has an ace, then add 10 to hand value if it doesn't bust
        # compute the value of the hand, see Blackjack video
        hand_value = 0
        card_ranks = []
        for card in self.hand:
            hand_value += VALUES[card.rank]
        for card in self.hand:
            card_ranks.append(card.rank)
        if 'A' in card_ranks and hand_value <= 11:
            return hand_value + 10
        return hand_value

def  draw(self, canvas, pos):
        pass	# draw a hand on the canvas, use the draw method for cards

    
# define deck class 
class Deck:
    def __init__(self):
        self.deck = []
        for i in range(len(SUITS)):
            for j in range(len(RANKS)):
                self.deck.append(Card(SUITS[i],RANKS[j]))
                
    def shuffle(self):
        random.shuffle(self.deck)

    def deal_card(self):
         return self.deck.pop(0)
    
    def __str__(self):
        text = "Deck contains"
        for i in range(len(self.deck)):
            text += ' ' + str(self.deck[i])
        return text

#define event handlers for buttons
def deal():
    global deck, outcome, in_play, score, hand_player, hand_dealer
    in_play = True
    hand_player = Hand()
    hand_dealer = Hand()
    deck = Deck()
    deck.shuffle()
    
    hand_player.add_card(deck.deal_card())
    hand_player.add_card(deck.deal_card())
    hand_dealer.add_card(deck.deal_card())
    hand_dealer.add_card(deck.deal_card())
    
    print hand_player
    print hand_dealer


def hit():
    # replace with your code below
 
    # if the hand is in play, hit the player
    global deck, outcome, in_play, score, hand_player, hand_dealer, hand_value

    
    if in_play == True and hand_player.get_value() == 21:
        score += 1
        in_play = False
        print "Well played, sir"
    elif in_play == True and hand_player.get_value() > 21:
        in_play = False
        print "Pack it in"
    if in_play == True and hand_player.get_value() < 21:
        print "Hitting..."
        hand_player.add_card(deck.deal_card())
    print hand_player
        
   
    # if busted, assign a message to outcome, update in_play and score
       
def stand():
    pass	# replace with your code below
   
    # if hand is in play, repeatedly hit dealer until his hand has value 17 or more

    # assign a message to outcome, update in_play and score
    def stand():
# replace with your code below
    global deck, outcome, in_play, score, hand_player, hand_dealer, hand_value

    while in_play == True and hand_dealer.get_value() >= 17:
            hand_dealer.add_card(deck.deal_card())
            
    if hand_dealer.get_value() == 21:
            print "Dealer wins"
    elif hand_player.get_value() <= hand_dealer.get_value():
            print "Dealer wins"
    elif hand_dealer.get_value() > 21:
        	score += 1
            print "Player wins"            


# draw handler    
def draw(canvas):
    # test to make sure that card.draw works, replace with your code below
    
    card = Card("S", "A")
    card.draw(canvas, [300, 300])


# initialization frame
frame = simplegui.create_frame("Blackjack", 600, 600)
frame.set_canvas_background("Green")

#create buttons and canvas callback
frame.add_button("Deal", deal, 200)
frame.add_button("Hit",  hit, 200)
frame.add_button("Stand", stand, 200)
frame.set_draw_handler(draw)


# get things rolling
deal()
frame.start()


# remember to review the gradic rubric