Files
tabbyAPI/common/signals.py
kingbri 01c7702859 Signal: Fix async signal handling
Run unload async functions before exiting the program.

Signed-off-by: kingbri <bdashore3@proton.me>
2024-07-30 11:11:05 -04:00

40 lines
993 B
Python

import asyncio
import signal
import sys
from loguru import logger
from types import FrameType
from common import model
def signal_handler(*_):
"""Signal handler for main function. Run before uvicorn starts."""
logger.warning("Shutdown signal called. Exiting gracefully.")
# Run async unloads for model
asyncio.ensure_future(signal_handler_async())
# Exit the program
sys.exit(0)
async def signal_handler_async(*_):
if model.container:
await model.container.unload()
if model.embeddings_container:
await model.embeddings_container.unload()
def uvicorn_signal_handler(signal_event: signal.Signals):
"""Overrides uvicorn's signal handler."""
default_signal_handler = signal.getsignal(signal_event)
def wrapped_handler(signum: int, frame: FrameType = None):
logger.warning("Shutdown signal called. Exiting gracefully.")
default_signal_handler(signum, frame)
signal.signal(signal_event, wrapped_handler)