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"""CodeRAG main application entry point."""
from contextlib import asynccontextmanager
import uvicorn
from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from coderag.config import get_settings
from coderag.logging import setup_logging, get_logger
# Initialize settings and logging
settings = get_settings()
setup_logging(level=settings.server.log_level.upper())
logger = get_logger(__name__)
@asynccontextmanager
async def lifespan(app: FastAPI):
"""Application lifespan handler."""
logger.info(
"Starting CodeRAG",
app_name=settings.app_name,
version=settings.app_version,
debug=settings.debug,
)
yield
logger.info("Shutting down CodeRAG")
def create_app() -> FastAPI:
"""Create and configure the FastAPI application."""
app = FastAPI(
title=settings.app_name,
version=settings.app_version,
description="RAG-based Q&A system for code repositories with verifiable citations",
docs_url="/docs",
redoc_url="/redoc",
lifespan=lifespan,
)
# CORS middleware
app.add_middleware(
CORSMiddleware,
allow_origins=["*"],
allow_credentials=True,
allow_methods=["*"],
allow_headers=["*"],
)
# Health check endpoint
@app.get("/health")
async def health_check() -> dict:
"""Health check endpoint."""
return {
"status": "healthy",
"app": settings.app_name,
"version": settings.app_version,
}
# Register API routes
from coderag.api.routes import router as api_router
app.include_router(api_router, prefix="/api/v1")
# Mount MCP server
try:
from coderag.mcp.server import create_mcp_server
mcp_server = create_mcp_server()
mcp_app = mcp_server.streamable_http_app()
app.mount("/mcp", mcp_app)
logger.info("MCP server mounted at /mcp")
except ImportError as e:
logger.warning("MCP server not available", error=str(e))
except Exception as e:
logger.error("Failed to mount MCP server", error=str(e))
# Mount Gradio UI
try:
from coderag.ui.app import create_gradio_app
import gradio as gr
gradio_app = create_gradio_app()
app = gr.mount_gradio_app(app, gradio_app, path="/")
logger.info("Gradio UI mounted at /")
except ImportError as e:
logger.warning("Gradio UI not available", error=str(e))
except Exception as e:
logger.error("Failed to mount Gradio UI", error=str(e))
return app
def main() -> None:
"""Run the application."""
app = create_app()
logger.info(
"Starting server",
host=settings.server.host,
port=settings.server.port,
)
uvicorn.run(
app,
host=settings.server.host,
port=settings.server.port,
reload=settings.server.reload,
workers=settings.server.workers,
log_level=settings.server.log_level,
)
if __name__ == "__main__":
try:
main()
except KeyboardInterrupt:
logger.info("Application interrupted by user")
except Exception as e:
logger.error("Application crashed", error=str(e), exc_info=True)
import traceback
print("\n" + "="*80)
print("FATAL ERROR:")
print("="*80)
traceback.print_exc()
print("="*80)
input("Press Enter to close...") # Keep terminal open
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