Files
deer-flow/server.py
Harsha Vardhan Mannem 3ed70e11d5 Fix/server error handling (#212)
* chore: add venv/ to gitignore

* fix: add server error handling and graceful shutdown

* Fix linting issues in server.py
2025-05-22 13:45:07 +08:00

80 lines
2.0 KiB
Python

# Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
# SPDX-License-Identifier: MIT
"""
Server script for running the DeerFlow API.
"""
import argparse
import logging
import signal
import sys
import uvicorn
# Configure logging
logging.basicConfig(
level=logging.INFO,
format="%(asctime)s - %(name)s - %(levelname)s - %(message)s",
)
logger = logging.getLogger(__name__)
def handle_shutdown(signum, frame):
"""Handle graceful shutdown on SIGTERM/SIGINT"""
logger.info("Received shutdown signal. Starting graceful shutdown...")
sys.exit(0)
# Register signal handlers
signal.signal(signal.SIGTERM, handle_shutdown)
signal.signal(signal.SIGINT, handle_shutdown)
if __name__ == "__main__":
# Parse command line arguments
parser = argparse.ArgumentParser(description="Run the DeerFlow API server")
parser.add_argument(
"--reload",
action="store_true",
help="Enable auto-reload (default: True except on Windows)",
)
parser.add_argument(
"--host",
type=str,
default="localhost",
help="Host to bind the server to (default: localhost)",
)
parser.add_argument(
"--port",
type=int,
default=8000,
help="Port to bind the server to (default: 8000)",
)
parser.add_argument(
"--log-level",
type=str,
default="info",
choices=["debug", "info", "warning", "error", "critical"],
help="Log level (default: info)",
)
args = parser.parse_args()
# Determine reload setting
reload = False
if args.reload:
reload = True
try:
logger.info(f"Starting DeerFlow API server on {args.host}:{args.port}")
uvicorn.run(
"src.server:app",
host=args.host,
port=args.port,
reload=reload,
log_level=args.log_level,
)
except Exception as e:
logger.error(f"Failed to start server: {str(e)}")
sys.exit(1)