def from_hex_identifier(cls, identifier):
hands = cls._empty_hands()
hexChars = '0123456789abcdef'
for charIndex, hexChar in enumerate(identifier):
hexIndex = hexChars.index(hexChar)
highHandIndex = hexIndex / 4
lowHandIndex = hexIndex - highHandIndex * 4
highSuit, highCard = Card.suit_and_value_from_identifier(charIndex * 2 + 0)
lowSuit, lowCard = Card.suit_and_value_from_identifier(charIndex * 2 + 1)
hands[highHandIndex][highSuit.index] += highCard
hands[lowHandIndex][lowSuit.index] += lowCard
return Deal(map(Hand, hands))
def random(cls):
shuffled_cards = range(52)
random.shuffle(shuffled_cards)
cards_by_suit_index = ["" for suit in SUITS]
for card_identifier in shuffled_cards[:13]:
suit, card = Card.suit_and_value_from_identifier(card_identifier)
cards_by_suit_index[suit.index] += card
return Hand(cards_by_suit_index)
def from_old_identifier(cls, identifier):
identifier = long(identifier)
hands = cls._empty_hands()
for card_identifier in reversed(range(52)):
power_of_four = pow(4, card_identifier)
position = identifier / power_of_four
identifier -= power_of_four * position
suit, card = Card.suit_and_value_from_identifier(card_identifier)
hands[position][suit.index] += card
return Deal(map(Hand, hands))
def random(cls):
# FIXME: A better random would generate a random identifier
# and use from_identifier. Howver our current identifier
# space is not compact. We can generate identifiers
# which are not valid deals.
hands = cls._empty_hands()
shuffled_cards = range(52)
random.shuffle(shuffled_cards)
for index_in_deck, card_identifier in enumerate(shuffled_cards):
position = index_in_deck % len(POSITIONS)
suit, card = Card.suit_and_value_from_identifier(card_identifier)
hands[position][suit.index] += card
return Deal(map(Hand, hands))
