35 lines
1.0 KiB
Python
35 lines
1.0 KiB
Python
import os
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import chess
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from chesspp.i_strategy import IStrategy
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from chesspp.eval import score_stockfish
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import chess.engine
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_DIR = os.path.abspath(os.path.dirname(__file__))
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class StockFishStrategy(IStrategy):
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def __init__(self):
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self._stockfish = None
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def __del__(self):
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if self._stockfish is not None:
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self._stockfish.quit()
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@property
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def stockfish(self) -> chess.engine.SimpleEngine:
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if self._stockfish is None:
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self._stockfish = self.stockfish = chess.engine.SimpleEngine.popen_uci(
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os.path.join(_DIR, "../stockfish/stockfish-ubuntu-x86-64-avx2"))
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return self._stockfish
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@stockfish.setter
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def stockfish(self, stockfish):
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self._stockfish = stockfish
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def pick_next_move(self, board: chess.Board) -> chess.Move | None:
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return self.stockfish.play(board, chess.engine.Limit(depth=4)).move
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def analyze_board(self, board: chess.Board) -> int:
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return score_stockfish(board, self.stockfish)
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