tukaunuandClaude Opus 5.5
c52f30dc59
Online play over WebSockets with any-string game codes, seats and spectators, and a 1-second heartbeat. Practice mode against Columbina, backed by a full solver, with an accuracy slider, spoilers, undo and piece freshness. Co-Authored-By: Claude Opus 5.5 <[email protected]>
61 lines
2.1 KiB
Python
61 lines
2.1 KiB
Python
"""Moonchess practice server: play against the computer.
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Stateless: the page sends the current position with every request and gets the new
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position back, so there's no session to lose. The page decides whose turn belongs to
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the computer; this server only applies moves and picks them.
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"""
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import argparse
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import logging
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from aiohttp import web
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from game import Game
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from server import STATIC_DIR, no_cache
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from solver import Solver
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solver = Solver() # solves every position up front; takes about a second
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async def index(request):
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return web.FileResponse(STATIC_DIR / "practice.html")
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async def play(request):
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"""Body: {history, turn, cell} to play `cell`, or {history, turn, accuracy} for a
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computer move, where accuracy (0-1) is the chance it plays a perfect move. A computer
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move's reply also says how it was chosen, as computerMove: {cell, how}."""
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try:
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body = await request.json()
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game = Game.from_history(body["history"], body["turn"])
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cell = body.get("cell")
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accuracy = float(body.get("accuracy", 1))
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except (ValueError, KeyError, TypeError, AttributeError):
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return web.json_response({"error": "Invalid request"}, status=400)
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computer_move = None
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if cell is None and game.winner is None:
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cell, how = solver.choose(game, accuracy)
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computer_move = {"cell": cell, "how": how}
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error = game.play(game.turn, cell)
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if error:
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return web.json_response({"error": error}, status=400)
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return web.json_response({**game.to_dict(), "computerMove": computer_move})
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def make_app():
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app = web.Application(middlewares=[no_cache])
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app.router.add_get("/", index)
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app.router.add_post("/api/play", play)
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app.router.add_static("/static", STATIC_DIR)
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return app
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if __name__ == "__main__":
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parser = argparse.ArgumentParser(description="Moonchess practice server")
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parser.add_argument("--host", default="127.0.0.1")
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parser.add_argument("--port", type=int, default=8081)
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args = parser.parse_args()
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logging.basicConfig(level=logging.INFO, format="%(asctime)s %(message)s")
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web.run_app(make_app(), host=args.host, port=args.port)
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