heimin.py

from random import shuffle

C = 12 # number of cards


class Player:

    def __init__(self, cards, dealer, awake, id):
        self.hand = cards
        self.dealer = dealer
        self.awake = awake
        self.id = id

    def play(self, card):
        if self.awake and card in self.hand:
            if self.dealer.play(card, self):
                self.hand.remove(card)
                if self.hand:
                    self.awake = False
                else:
                    self.dealer.win(self)


class Dealer:

    def __init__(self, n):
        deck = range(C)
        shuffle(deck)
        self.players = []
        self.passed = [False for i in range(n)]
        for i in range(n):
            self.players.append(Player(deck[i:C:n], self, i == 0, i))
        self.top = None # top card
        self.last = None # last player
        self.continue_game = True

    def next(self, player):
        next_player = (player.id + 1) % len(self.players)
        self.players[next_player].awake = True

    def play(self, card, player):
        if (self.last != player.id) and (self.top is not None) and (card <= self.top):
            return False
        self.top, self.last = card, player.id
        print 'player %d played card %d.' % (player.id, card)
        self.next(player)
        return True

    def is_pass(self, player):
        if player.id != self.last and all(card <= self.top for card in player.hand):
            self.next(player)
            player.awake = False
            return True

    def win(self, player):
        print 'player %d declared win.' % player.id
        self.continue_game = False


def main():
    dealer = Dealer(4)
    for player in dealer.players:
        print player.hand
    while dealer.continue_game:
        for player in dealer.players:
            if not player.awake:
                continue
            else:
                if dealer.is_pass(player):
                    print 'player %d passes.' % player.id
                else:
                    try:
                        p = int(raw_input("choose player %d's card from %s\n" % (player.id, player.hand)))
                    except:
                        continue
                    player.play(p)
                break


if __name__ == '__main__':
    main()