開発環境
- macOS Sierra - Apple (OS)
- Emacs (Text Editor)
- Python 3.5 (プログラミング言語)
Think Python (Allen B. Downey (著)、 O'Reilly Media)のChapter 18.(Inheritance)のExercises 18-3-4.(No. 4220)を取り組んでみる。
Exercises 18-3-4.(No. 4220)
コード(Emacs)
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
from Card import Hand, Deck, Card
class PokerHand(Hand):
size = 5
def suit_hist(self):
"""Builds a histogram of the suits that appear in the hand.
Stores the result in attribute suits.
"""
self.suits = {}
for card in self.cards:
self.suits[card.suit] = self.suits.get(card.suit, 0) + 1
def rank_hist(self):
self.ranks = {}
for card in self.cards:
self.ranks[card.rank] = self.ranks.get(card.rank, 0) + 1
def has_flush(self):
"""Returns True if the hand has a flush, False otherwise.
Note that this works correctly for hands with more than 5 cards.
"""
self.suit_hist()
for val in self.suits.values():
if val >= 5:
return True
return False
def has_pair(self):
self.rank_hist()
for val in self.ranks.values():
if val == 2:
return True
return False
def has_twopair(self):
self.rank_hist()
count = 0
for val in self.ranks.values():
if val == 2:
if count == 0:
count = 1
else:
return True
return False
def has_three_of_kind(self):
self.rank_hist()
for val in self.ranks.values():
if val == 3:
return True
return False
def has_straight(self):
self.rank_hist()
ks = self.ranks.keys()
start = 1
stop = 13 - (PokerHand.size - 1) + 1
for n in range(start, stop):
for m in range(n, n + PokerHand.size):
if m not in ks:
break
else:
return True
if 1 in ks:
start = 13 - (PokerHand.size - 1) + 1
stop = start + PokerHand.size - 1
for n in range(start, stop):
if n not in ks:
return False
return True
return False
def has_full_house(self):
return self.has_pair() and self.has_three_of_kind()
def has_four_of_kind(self):
self.rank_hist()
for val in self.ranks.values():
if val == 4:
return True
return False
def has_straight_flush(self):
return self.has_straight() and self.has_flush()
labels = {
'pair': has_pair,
'two pair': has_twopair,
'three of a kind': has_three_of_kind,
'straight': has_straight,
'flush': has_flush,
'full house': has_full_house,
'four of a kind': has_four_of_kind,
'straight flush': has_straight_flush
}
def classify(self):
for k, v in PokerHand.labels.items():
if v(self):
self.label = k
if __name__ == '__main__':
# make a deck
deck = Deck()
deck.shuffle()
# deal the cards and classify the hands
for i in range(7):
hand = PokerHand()
deck.move_cards(hand, 7)
hand.sort()
print(hand)
print('flush: {0}'.format(hand.has_flush()))
print('pair: {0}'.format(hand.has_pair()))
print('two pair: {0}'.format(hand.has_twopair()))
print('three of a kind: {0}'.format(hand.has_three_of_kind()))
print('full house: {0}'.format(hand.has_full_house()))
print('four of a kind: {0}'.format(hand.has_four_of_kind()))
print('straight: {0}'.format(hand.has_straight()))
print('straight flush: {0}'.format(hand.has_straight_flush()))
hand.classify()
print('label: {0}'.format(hand.label))
print('')
入出力結果(Terminal, IPython)
$ ./PokerHand.py 2 of Clubs 3 of Clubs Ace of Diamonds 7 of Diamonds 7 of Hearts Jack of Hearts Jack of Spades flush: False pair: True two pair: True three of a kind: False full house: False four of a kind: False straight: False straight flush: False label: pair 4 of Clubs 2 of Spades 4 of Spades 7 of Spades 9 of Spades Queen of Spades King of Spades flush: True pair: True two pair: False three of a kind: False full house: False four of a kind: False straight: False straight flush: False label: flush 7 of Clubs 3 of Diamonds 8 of Diamonds Jack of Diamonds Queen of Diamonds 4 of Hearts 9 of Hearts flush: False pair: False two pair: False three of a kind: False full house: False four of a kind: False straight: False straight flush: False label: Queen of Clubs 9 of Diamonds 3 of Hearts 8 of Hearts Queen of Hearts 3 of Spades 10 of Spades flush: False pair: True two pair: True three of a kind: False full house: False four of a kind: False straight: False straight flush: False label: pair Ace of Clubs 5 of Clubs 2 of Diamonds 4 of Diamonds King of Hearts Ace of Spades 6 of Spades flush: False pair: True two pair: False three of a kind: False full house: False four of a kind: False straight: False straight flush: False label: pair 10 of Clubs Jack of Clubs 10 of Diamonds Ace of Hearts 6 of Hearts 10 of Hearts 5 of Spades flush: False pair: False two pair: False three of a kind: True full house: False four of a kind: False straight: False straight flush: False label: three of a kind 6 of Clubs 9 of Clubs King of Clubs 5 of Diamonds 6 of Diamonds King of Diamonds 5 of Hearts flush: False pair: True two pair: True three of a kind: False full house: False four of a kind: False straight: False straight flush: False label: pair $ ./PokerHand.py 5 of Clubs 10 of Clubs 5 of Diamonds Jack of Diamonds 3 of Spades 4 of Spades Queen of Spades flush: False pair: True two pair: False three of a kind: False full house: False four of a kind: False straight: False straight flush: False label: pair Ace of Clubs 9 of Clubs 7 of Diamonds Queen of Diamonds 6 of Hearts 10 of Hearts 9 of Spades flush: False pair: True two pair: False three of a kind: False full house: False four of a kind: False straight: False straight flush: False label: pair 3 of Clubs 4 of Clubs 2 of Diamonds 6 of Diamonds 5 of Hearts 6 of Spades 8 of Spades flush: False pair: True two pair: False three of a kind: False full house: False four of a kind: False straight: True straight flush: False label: pair 8 of Clubs 4 of Diamonds 8 of Diamonds Ace of Hearts 2 of Hearts 5 of Spades 10 of Spades flush: False pair: True two pair: False three of a kind: False full house: False four of a kind: False straight: False straight flush: False label: pair 6 of Clubs Jack of Clubs 10 of Diamonds 3 of Hearts 4 of Hearts Ace of Spades Jack of Spades flush: False pair: True two pair: False three of a kind: False full house: False four of a kind: False straight: False straight flush: False label: pair Queen of Clubs Ace of Diamonds 3 of Diamonds 7 of Hearts 9 of Hearts King of Hearts King of Spades flush: False pair: True two pair: False three of a kind: False full house: False four of a kind: False straight: False straight flush: False label: pair 2 of Clubs 7 of Clubs 9 of Diamonds King of Diamonds 8 of Hearts Jack of Hearts Queen of Hearts flush: False pair: False two pair: False three of a kind: False full house: False four of a kind: False straight: False straight flush: False label: $
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