7e3872cdd8
- Replace openai with litellm for unified LLM interface - Support 100+ providers: OpenAI, Anthropic, Gemini, Azure, Ollama, etc. - Add custom API base URL support (LLM_API_BASE) - Add .env file support with python-dotenv - Add .env.example configuration template 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
122 lines
3.2 KiB
Python
122 lines
3.2 KiB
Python
"""
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FastAPI entry point for the interactive live-stream game backend.
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Configures the application, WebSocket routes, and lifecycle events.
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"""
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# Load .env file before any other imports
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from dotenv import load_dotenv
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load_dotenv()
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import logging
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from contextlib import asynccontextmanager
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from pathlib import Path
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from fastapi import FastAPI, WebSocket, WebSocketDisconnect
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from fastapi.middleware.cors import CORSMiddleware
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from fastapi.staticfiles import StaticFiles
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from fastapi.responses import FileResponse
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from .server import ConnectionManager
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from .engine import GameEngine
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from .schemas import GameEvent, ClientMessage, EventType
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# Configure logging
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logging.basicConfig(
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level=logging.INFO,
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format="%(asctime)s - %(name)s - %(levelname)s - %(message)s"
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)
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logger = logging.getLogger(__name__)
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# Global instances
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manager = ConnectionManager()
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engine = GameEngine(manager)
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# Frontend path
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FRONTEND_DIR = Path(__file__).parent.parent.parent / "frontend"
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@asynccontextmanager
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async def lifespan(app: FastAPI):
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"""
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Application lifespan manager.
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Starts the game engine on startup and stops it on shutdown.
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"""
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logger.info("Starting application...")
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await engine.start()
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yield
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logger.info("Shutting down application...")
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await engine.stop()
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# Create FastAPI application
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app = FastAPI(
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title="The Island - Live Stream Game Backend",
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description="Commercial-grade interactive live-stream game backend",
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version="0.1.0",
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lifespan=lifespan
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)
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# Configure CORS for frontend access
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app.add_middleware(
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CORSMiddleware,
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allow_origins=["*"],
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allow_credentials=True,
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allow_methods=["*"],
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allow_headers=["*"],
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)
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@app.get("/")
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async def root():
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"""Serve the debug client page."""
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return FileResponse(FRONTEND_DIR / "debug_client.html")
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@app.get("/health")
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async def health():
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"""Health check endpoint."""
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return {
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"status": "running",
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"service": "The Island Game Backend",
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"connections": manager.connection_count,
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"engine_running": engine.is_running
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}
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@app.websocket("/ws")
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async def websocket_endpoint(websocket: WebSocket):
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"""
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WebSocket endpoint for real-time game communication.
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Handles client connections and processes incoming messages.
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"""
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await manager.connect(websocket)
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# Send welcome message
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welcome = GameEvent(
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event_type=EventType.SYSTEM,
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data={"message": "Connected to The Island!"}
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)
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await manager.send_personal(websocket, welcome)
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try:
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while True:
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# Receive and parse client message
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data = await websocket.receive_json()
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message = ClientMessage(**data)
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# Handle mock comment action
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if message.action == "send_comment":
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user = message.payload.get("user", "Anonymous")
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text = message.payload.get("message", "")
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await engine.process_comment(user, text)
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except WebSocketDisconnect:
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manager.disconnect(websocket)
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except Exception as e:
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logger.error(f"WebSocket error: {e}")
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manager.disconnect(websocket)
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# Mount static files (must be after all routes)
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app.mount("/static", StaticFiles(directory=FRONTEND_DIR), name="static")
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