Files
poker_task1/poker/hand_ranking.py
2025-09-24 16:54:52 +08:00

101 lines
4.1 KiB
Python

from enum import Enum
from functools import total_ordering
from typing import List, Tuple, Union, TypeVar, Any
from .card import Card, Rank, ShortDeckRank
HandTypeVar = TypeVar('HandTypeVar', bound=Enum)
@total_ordering
class HandType(Enum):
HIGH_CARD = (1, "High Card")
ONE_PAIR = (2, "Pair")
TWO_PAIR = (3, "Two Pair")
THREE_OF_A_KIND = (4, "Three of a Kind")
STRAIGHT = (5, "Straight")
FLUSH = (6, "Flush")
FULL_HOUSE = (7, "Full House")
FOUR_OF_A_KIND = (8, "Four of a Kind")
STRAIGHT_FLUSH = (9, "Straight Flush")
ROYAL_FLUSH = (10, "Royal Flush")
def __new__(cls, strength, name):
obj = object.__new__(cls)
obj._value_ = strength
obj.strength = strength
obj.type_name = name
return obj
def __str__(self):
return self.type_name
def __lt__(self, other):
if isinstance(other, HandType):
return self.strength < other.strength
return NotImplemented
def __eq__(self, other):
if isinstance(other, HandType):
return self.strength == other.strength
return NotImplemented
def __hash__(self):
return hash(self.strength)
class HandRanking:
"""通用手牌排名类,支持标准扑克和短牌扑克的手牌类型"""
def __init__(self, hand_type: Any, key_ranks: List[Union[Rank, ShortDeckRank]], cards: List[Card]):
self.hand_type = hand_type
self.key_ranks = key_ranks # 用于比较的关键点数
self.cards = cards # 组成这个ranking的5张牌
def __str__(self):
hand_type_name = self.hand_type.name if hasattr(self.hand_type, 'name') else str(self.hand_type)
if hand_type_name == "FOUR_OF_A_KIND":
return f"Quad({self.key_ranks[0].symbol})"
elif hand_type_name == "FULL_HOUSE":
return f"Full House({self.key_ranks[0].symbol} over {self.key_ranks[1].symbol})"
elif hand_type_name == "FLUSH":
return f"Flush({self.key_ranks[0].symbol} high)"
elif hand_type_name == "STRAIGHT":
return f"Straight({self.key_ranks[0].symbol} high)"
elif hand_type_name == "STRAIGHT_FLUSH":
if hasattr(self.key_ranks[0], 'symbol') and self.key_ranks[0].symbol == 'A':
return "Royal Flush"
else:
return f"Straight Flush({self.key_ranks[0].symbol} high)"
elif hand_type_name == "ROYAL_FLUSH":
return "Royal Flush"
elif hand_type_name == "THREE_OF_A_KIND":
return f"Three of a Kind({self.key_ranks[0].symbol})"
elif hand_type_name == "TWO_PAIR":
return f"Two Pair({self.key_ranks[0].symbol} and {self.key_ranks[1].symbol})"
elif hand_type_name == "ONE_PAIR":
return f"Pair({self.key_ranks[0].symbol})"
else: # HIGH_CARD
return f"High Card({self.key_ranks[0].symbol})"
def __eq__(self, other):
if not isinstance(other, HandRanking):
return False
self_strength = getattr(self.hand_type, 'strength', self.hand_type.value[0] if hasattr(self.hand_type.value, '__getitem__') else self.hand_type.value)
other_strength = getattr(other.hand_type, 'strength', other.hand_type.value[0] if hasattr(other.hand_type.value, '__getitem__') else other.hand_type.value)
return (self_strength == other_strength and self.key_ranks == other.key_ranks)
def __lt__(self, other):
if not isinstance(other, HandRanking):
return NotImplemented
self_strength = getattr(self.hand_type, 'strength', self.hand_type.value[0] if hasattr(self.hand_type.value, '__getitem__') else self.hand_type.value)
other_strength = getattr(other.hand_type, 'strength', other.hand_type.value[0] if hasattr(other.hand_type.value, '__getitem__') else other.hand_type.value)
if self_strength != other_strength:
return self_strength < other_strength
for self_rank, other_rank in zip(self.key_ranks, other.key_ranks):
if self_rank != other_rank:
return self_rank < other_rank
return False