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from pydantic import BaseModel, validator
from poker.constants import Suit, Value
class Card(BaseModel):
"""Card domain model class."""
suit: Suit
value: Value
def __hash__(self) -> int:
"""Hash function."""
return hash(f"{self.value} {self.suit}")
HandType = tuple[Card, Card, Card, Card, Card]
class Hand(BaseModel):
"""Hand domain model class."""
cards: HandType
@validator("cards")
def validate_unique(cls, cards: HandType) -> HandType:
"""Validate hand comprises unique cards."""
if len(cards) != len(set(cards)):
raise ValueError("Hand contains duplicate cards.")
return cards
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