In [26]:defget_card(deck, pos): ...:returndeck._cards[pos] ...: In [27]: F.__getitem__ = get_card 每个Python 方法说到底都是普通函数,把第一个参数命名为 self 只是一种约定。 这里的关键是,set_card 函数要知道 deck 对象有一个名为 _cards 的属性,而且 _cards 的值必须是可变序列。...
beer_card = Card('7','diamonds')print(beer_card)#Card(rank='7', suit='diamonds')deck = FrenchDeck()len(deck)#52deck = FrenchDeck()print(deck[0])#Card(rank='2', suit='spades') 上面代码用到了nametuple方法(用以构建只有少数属性但是没有方法的类),列表推导方法,可以在effective python中找...
You could represent a card as a tuple whose first element is a rank and second element is a suit. A deck of cards would be a collection of such tuples. The deck should act like the real thing, so it makes sense to define a generator that yields cards one at a time and becomes ...
cards[0] = ImmutableCard('7', '♢') >>> deck ImmutableDeck(cards=[ImmutableCard(rank='7', suit='♢'), ImmutableCard(rank='A', suit='♠')]) To avoid this, make sure all fields of an immutable data class use immutable types (but remember that types are not enforced at ...
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A Pythonic Card Deck 我们会发现,只是简简单单地实现两个特殊方法__getitem__和__len__,我们的纸牌就可以具备非常强大的功能: import collections Card = collections.namedtuple('Card', ['rank', 'suit']) class FrenchDeck: ranks = [str(n) for n in range(2, 11)] + list('JQKA') ...
Generating a Deck/Package To import your notes into Anki, you need to add them to aDeck: my_deck=genanki.Deck(2059400110,'Country Capitals')my_deck.add_note(my_note) Once again, you need a uniquedeck_idthat you should generate once and then hardcode into your.pyfile. ...
这里的关键是,set_card 函数要知道 deck 对象有一个名为 _cards 的属性,而且 _cards 的值必须是可变序列。然后,我们把 set_card 函数赋值给特殊方法 __setitem__,从而把它依附到 FrenchDeck 类上。这种技术叫猴子补丁:在运行时修改类或模块,而不改动源码。猴子补丁很强大,但是打补丁的代码与要打补丁的程序耦合...
在这里，我使用namedtuple创建了一个Card类，但是您当前的类可以简单地包装一个tuple值：
A Hearthstone Python library containing: A CardDefs.xml parser (hearthstone.cardxml) A DbfXml parser (hearthstone.dbf) A deck code encoder and decoder (hearthstone.deckstrings) Hearthstone enums as IntEnum (hearthstone.enums) The CardDefs.xml data for the latest build can optionally be insta...