#! /usr/bin/env python3
import random, sys
# メッセージ分離方式: 表示用メッセージは本体から分けておく(メインテナンスの為)
msg = {'start': 'じゃんけんスタート',
'prompt': '自分の手を入力してください\n0:グー,1:チョキ,2:パー',
'win': 'あなたの勝ちです',
'lose': 'あなたの負けです',
'continue?': '続けますか?',
'wrong': '入力が間違っています',
'y-or-n': 'YesかNoを入力して下さい(y/n)',
'hand': 'コンピュータの手: {}',
0: 'グー',
1: 'チョキ',
2: 'パー'}
# 環境データ
class Env(object):
def __init__(self, lose = 0, win = 0, *hand):
self.lose = lose
self.win = win
self.hand = hand
def __repr__(self):
return f'{self.win}勝{self.lose}敗'
# 入力関数(read)
def read(env):
# 使いまわしの為 my_hand に代入
my_hand = input(msg['continue?' if env.win == 5 or env.lose == 5 else 'prompt'])
if my_hand.isalpha() or my_hand in map(str, (0, 1, 2)):
return my_hand
else:
# 想定外の入力の際、例外を投げる
raise ValueError
# プログラム本体: 計算処理だけ司り、入力も出力もしない
def result(my_hand, env):
if env.win == 5 or env.lose == 5:
# 使いまわしの為 my_hand に改めて代入
my_hand = my_hand.lower()
if my_hand == 'y' or my_hand == 'yes':
return Env()
elif my_hand == 'n' or my_hand == 'no':
sys.exit()
else:
# 判定結果を二回使いまわしするので変数に代入
hand = random.randint(0, 2)
hand_diff = (int(my_hand) - hand + 3) % 3
return Env(env.lose + 1 if hand_diff == 1 else env.lose,
env.win + 1 if hand_diff == 2 else env.win,
hand)
# 出力関数(print)
def display(env):
# コンピュータの手を表示
print(msg['hand'].format(msg[env.hand[0]]))
# 三項演算子的な書き方
print(msg['win'] if env.win == 5
else msg['lose'] if env.lose == 5
else env)
return env
# プログラム実行部
if __name__ == '__main__':
print(msg['start'])
env = Env()
while True:
try:
# env の値を更新する必要があるんで代入する
env = display(result(read(env), env))
# 以下、例外処理
except ValueError:
print(msg['wrong'])
except AttributeError:
print(msg['y-or-n'])
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じゃんけんスタート
自分の手を入力してください
0:グー,1:チョキ,2:パー
Traceback (most recent call last):
File "./prog.py", line 71, in <module>
File "./prog.py", line 30, in read
EOFError: EOF when reading a line