DataclassCards.py

from dataclasses import dataclass, field
from typing import List
from random import sample


@dataclass(order=True)
class PlayingCard:
    rank: str
    suit: str

    def __post_init__(self):
        self.sort_index = (RANKS.index(self.rank) * len(SUITS)
                           + SUITS.index(self.suit))

    def __str__(self):
        return f'{self.suit}{self.rank}'


RANKS = '2 3 4 5 6 7 8 9 10 J Q K A'.split()
SUITS = '♣ ♢ ♡ ♠'.split()


def make_french_deck():
    return [PlayingCard(r, s) for s in SUITS for r in RANKS]


@dataclass
class Deck:
    cards: List[PlayingCard] = field(default_factory=make_french_deck)

    def __repr__(self):
        cards = ', '.join(f'{c!s}' for c in self.cards)
        return f'{self.__class__.__name__}({cards})'

    def shuffle(self):
        self.cards = sample(self.cards, k=len(self.cards))

    def sort(self):
        self.cards = sorted(self.cards)


d = Deck()
print(d)
d.sort()
print(d)
d.shuffle()
print(d)