Update app.py
Browse files
app.py
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from flask import Flask, render_template, request, jsonify
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from stockfish import Stockfish, StockfishException
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import os
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app = Flask(__name__)
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#
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}
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@app.route('/')
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def index():
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def make_move():
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try:
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if not stockfish_move:
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return jsonify({
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'fen': user_fen,
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'stockfish_move': None,
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'evaluation': eval_after_user,
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'game_over': True,
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'result': 'Partie terminée'
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})
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# Jouer le coup de Stockfish
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sf.make_moves_from_current_position([stockfish_move])
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final_fen = sf.get_fen_position()
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final_eval = sf.get_evaluation()
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# Vérifier si la partie est terminée après le coup de Stockfish
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game_over = False
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result = None
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if final_eval.get("type") == "mate":
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game_over = True
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if final_eval.get("value") == 0:
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result = "Mat ou Pat"
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elif final_eval.get("value") > 0:
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result = "Stockfish gagne"
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else:
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sf.set_fen_position(fen)
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evaluation = sf.get_evaluation()
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best_move = sf.get_best_move()
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return jsonify({
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})
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except Exception as e:
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return jsonify({'error': f'Erreur analyse: {str(e)}'}), 500
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if __name__ == '__main__':
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app.run(debug=True
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from flask import Flask, render_template, request, jsonify, session
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import chess
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import chess.svg
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from stockfish import Stockfish, StockfishException
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import os
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app = Flask(__name__)
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app.secret_key = os.urandom(24) # Nécessaire pour les sessions
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# Configuration du chemin vers l'exécutable de Stockfish
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# Essayez de le trouver automatiquement, sinon spécifiez le chemin
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STOCKFISH_PATH = "stockfish" # Ou le chemin complet, ex: "/usr/games/stockfish"
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if not os.path.exists(STOCKFISH_PATH):
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# Tente quelques chemins communs si non trouvé directement
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common_paths = ["/usr/games/stockfish", "/usr/local/bin/stockfish", "/opt/homebrew/bin/stockfish"]
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for p in common_paths:
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if os.path.exists(p) and os.access(p, os.X_OK):
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STOCKFISH_PATH = p
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break
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else:
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print(f"AVERTISSEMENT: Stockfish non trouvé à '{STOCKFISH_PATH}' ou dans les chemins communs. "
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"L'IA ne fonctionnera pas. Veuillez installer Stockfish et/ou configurer STOCKFISH_PATH.")
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def get_stockfish_engine():
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"""Initialise et retourne une instance de Stockfish."""
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try:
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# Utilise les paramètres par défaut du wrapper, mais on peut les ajuster
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# par ex. augmenter la Hash (RAM) et les Threads si besoin.
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engine = Stockfish(path=STOCKFISH_PATH, depth=15, parameters={"Threads": 2, "Hash": 128})
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# Vérifier si l'engine est bien chargé
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if not engine._stockfish.poll() is None: # Si le process s'est terminé
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raise StockfishException("Stockfish process terminated unexpectedly on init.")
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engine.get_best_move() # Test rapide pour voir si ça fonctionne
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engine.set_fen_position(chess.STARTING_FEN) # Reset
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return engine
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except Exception as e:
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print(f"Erreur lors de l'initialisation de Stockfish: {e}")
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print(f"Vérifiez que Stockfish est installé et que STOCKFISH_PATH ('{STOCKFISH_PATH}') est correct.")
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return None
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@app.route('/')
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def index():
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if 'board_fen' not in session:
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session['board_fen'] = chess.Board().fen()
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session['game_mode'] = 'pvp' # 'pvp' ou 'ai'
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session['player_color'] = 'white' # Si AI, le joueur est blanc par défaut
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board = chess.Board(session['board_fen'])
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return render_template('index.html',
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initial_fen=session['board_fen'],
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board_svg=chess.svg.board(board=board, size=400),
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game_mode=session['game_mode'],
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player_color=session.get('player_color', 'white'),
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is_game_over=board.is_game_over(),
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outcome=get_outcome_message(board) if board.is_game_over() else "")
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def get_outcome_message(board):
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if board.is_checkmate():
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winner = "Blancs" if board.turn == chess.BLACK else "Noirs"
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return f"Échec et mat ! {winner} gagnent."
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if board.is_stalemate():
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return "Pat ! Partie nulle."
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if board.is_insufficient_material():
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return "Matériel insuffisant. Partie nulle."
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if board.is_seventyfive_moves():
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return "Règle des 75 coups. Partie nulle."
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if board.is_fivefold_repetition():
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return "Répétition (5 fois). Partie nulle."
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return ""
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@app.route('/make_move', methods=['POST'])
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def make_move():
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board = chess.Board(session['board_fen'])
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if board.is_game_over():
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return jsonify({'error': 'La partie est terminée.', 'fen': board.fen(), 'game_over': True, 'outcome': get_outcome_message(board)})
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move_uci = request.json.get('move')
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if not move_uci:
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return jsonify({'error': 'Mouvement non fourni.', 'fen': board.fen(), 'game_over': board.is_game_over()})
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ai_move_made = None
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ai_move_uci = None
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try:
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move = board.parse_uci(move_uci)
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except ValueError:
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try:
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# Essayer de parser en SAN si l'UCI échoue (pour tests manuels par exemple)
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move = board.parse_san(move_uci)
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except ValueError:
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return jsonify({'error': f'Mouvement invalide: {move_uci}', 'fen': board.fen(), 'game_over': board.is_game_over()})
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if move in board.legal_moves:
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board.push(move)
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session['board_fen'] = board.fen()
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# Si mode AI et ce n'est pas la fin du jeu pour le joueur
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if session.get('game_mode') == 'ai' and not board.is_game_over():
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stockfish_engine = get_stockfish_engine()
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if stockfish_engine:
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stockfish_engine.set_fen_position(board.fen())
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# Augmenter le temps de réflexion pour une meilleure IA
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# best_move_ai = stockfish_engine.get_best_move_time(1000) # 1 seconde
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best_move_ai = stockfish_engine.get_best_move() # Utilise la profondeur configurée
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if best_move_ai:
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ai_move_obj = board.parse_uci(best_move_ai)
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board.push(ai_move_obj)
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session['board_fen'] = board.fen()
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ai_move_made = True
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ai_move_uci = best_move_ai
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else: # L'IA ne trouve pas de coup (peut arriver si mat ou pat pour l'IA)
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pass
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stockfish_engine.send_quit_command() # Important pour libérer les ressources
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else:
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return jsonify({'error': 'Moteur Stockfish non disponible.', 'fen': board.fen(), 'game_over': board.is_game_over()})
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else:
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return jsonify({'error': f'Mouvement illégal: {move_uci}', 'fen': board.fen(), 'game_over': board.is_game_over()})
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game_over = board.is_game_over()
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outcome = get_outcome_message(board) if game_over else ""
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return jsonify({
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'fen': board.fen(),
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'board_svg': chess.svg.board(board=board, size=400, lastmove=move if not ai_move_made else ai_move_obj),
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'game_over': game_over,
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'outcome': outcome,
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'ai_move_uci': ai_move_uci,
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'turn': 'white' if board.turn == chess.WHITE else 'black'
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})
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@app.route('/reset_game', methods=['POST'])
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def reset_game():
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session['board_fen'] = chess.Board().fen()
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# Le mode de jeu et la couleur du joueur sont conservés ou peuvent être réinitialisés ici
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# Par exemple, pour forcer la réinitialisation du mode :
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# session['game_mode'] = request.json.get('game_mode', 'pvp')
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# session['player_color'] = request.json.get('player_color', 'white')
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# ... ou simplement les effacer pour qu'ils soient redéfinis
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if 'stockfish_engine' in session:
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del session['stockfish_engine'] # S'assurer de le recréer
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return jsonify({'fen': session['board_fen'],
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'board_svg': chess.svg.board(board=chess.Board(session['board_fen']), size=400),
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'game_mode': session.get('game_mode'),
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'player_color': session.get('player_color')})
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@app.route('/set_mode', methods=['POST'])
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def set_mode_route():
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mode = request.json.get('game_mode')
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player_color = request.json.get('player_color', 'white') # Par défaut blanc si non spécifié
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if mode in ['pvp', 'ai']:
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session['game_mode'] = mode
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session['player_color'] = player_color # 'white' or 'black' for AI mode
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session['board_fen'] = chess.Board().fen() # Reset board on mode change
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board = chess.Board()
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initial_ai_move_uci = None
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# Si l'IA joue en premier (joueur choisit noir)
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if mode == 'ai' and player_color == 'black':
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stockfish_engine = get_stockfish_engine()
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if stockfish_engine:
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stockfish_engine.set_fen_position(board.fen())
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best_move_ai = stockfish_engine.get_best_move()
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if best_move_ai:
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ai_move_obj = board.parse_uci(best_move_ai)
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board.push(ai_move_obj)
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session['board_fen'] = board.fen()
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initial_ai_move_uci = best_move_ai
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stockfish_engine.send_quit_command()
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else:
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return jsonify({'error': 'Moteur Stockfish non disponible.'})
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return jsonify({
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'message': f'Mode de jeu réglé sur {mode}. Joueur: {player_color if mode == "ai" else "N/A"}.',
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'fen': session['board_fen'],
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'board_svg': chess.svg.board(board=board, size=400, lastmove=board.move_stack[-1] if initial_ai_move_uci else None),
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'game_mode': mode,
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'player_color': player_color,
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'turn': 'white' if board.turn == chess.WHITE else 'black',
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'initial_ai_move_uci': initial_ai_move_uci
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})
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return jsonify({'error': 'Mode invalide'}), 400
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if __name__ == '__main__':
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app.run(debug=True)
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