hello,
Im following this page :
http://openbookproject.net/thinkcs/python/english2e/ch17.html
So i have this programm now :
class Card:
suits = ["Clubs", "Diamonds", "Hearts", "Spades"]
ranks = ["narf", "Ace", "2", "3", "4", "5", "6", "7",
"8", "9", "10", "Jack", "Queen", "King"]
def __init__(self, suit=0, rank=0):
self.suit = suit
self.rank = rank
def __str__(self):
return (self.ranks[self.rank] + " of " + self.suits[self.suit])
class Deck:
def __init__(self):
self.cards = []
for suit in range(4):
for rank in range(1, 14):
self.cards.append(Card(suit, rank))
def deal(self, hands, num_cards=999):
num_hands = len(hands)
for i in range(num_cards):
if self.is_empty(): break # break if out of cards
card = self.pop() # take the top card
hand = hands[i % num_hands] # whose turn is next?
hand.add(card) # add the card to the hand
def shuffle(self):
import random
num_cards = len(self.cards)
for i in range(num_cards):
j = random.randrange(i, num_cards)
self.cards[i], self.cards[j] = self.cards[j], self.cards[i]
def remove(self, card):
if card in self.cards:
self.cards.remove(card)
return True
else:
return False
def is_empty(self):
return (len(self.cards) == 0)
class Hand(Deck):
def __init__(self, name=""):
self.cards = []
self.name = name
def add(self,card):
self.cards.append(card)
def deal(self, hands, num_cards=999):
num_hands = len(hands)
for i in range(num_cards):
if self.is_empty(): break # break if out of cards
card = self.pop() # take the top card
hand = hands[i % num_hands] # whose turn is next?
hand.add(card) # add the card to the hand
class CardGame:
def __init__(self):
self.deck = Deck()
self.deck.shuffle()
class OldMaidHand(Hand):
def remove_matches(self):
count = 0
original_cards = self.cards[:]
for card in original_cards:
match = Card(3 - card.suit, card.rank)
if match in self.cards:
self.cards.remove(card)
self.cards.remove(match)
print "Hand %s: %s matches %s" % (self.name, card, match)
count = count + 1
return count
class OldMaidGame(CardGame):
def play(self, names):
# remove Queen of Clubs
self.deck.remove(Card(0,12))
# make a hand for each player
self.hands = []
for name in names:
self.hands.append(OldMaidHand(name))
# deal the cards
self.deck.deal(self.hands)
print "---------- Cards have been dealt"
self.printHands()
# remove initial matches
matches = self.removeAllMatches()
print "---------- Matches discarded, play begins"
self.printHands()
# play until all 50 cards are matched
turn = 0
numHands = len(self.hands)
while matches < 25:
matches = matches + self.playOneTurn(turn)
turn = (turn + 1) % numHands
print "---------- Game is Over"
self.printHands()
def remove_all_matches(self):
count = 0
for hand in self.hands:
count = count + hand.remove_matches()
return count
def find_neighbor(self, i):
numHands = len(self.hands)
for next in range(1,numHands):
neighbor = (i + next) % numHands
if not self.hands[neighbor].is_empty():
return neighbor
game = CardGame()
hand = OldMaidHand("frank")
deck = Deck()
game.deck.deal([hand], 13)
OldMaidHand.print_hands()
But now Im getting this error message:
Traceback (most recent call last):
File "C:\Users\wobben\workspace\oefeningen\src\test.py", line 126, in <module>
game.deck.deal([hand], 13)
File "C:\Users\wobben\workspace\oefeningen\src\test.py", line 24, in deal
card = self.pop() # take the top card
AttributeError: Deck instance has no attribute 'pop'
What went wrong here.
Roelof
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