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"""
Start the auto-retraining background service
Retrains models every 48 hours
"""
import sys
from pathlib import Path
import time
import signal
# Add parent directory to path
parent_dir = str(Path(__file__).parent.parent)
if parent_dir not in sys.path:
sys.path.insert(0, parent_dir)
from SelfTrainService.retraining_service import start_retraining_service
from SelfTrainService.config import CONFIG
# Global flag for graceful shutdown
running = True
def signal_handler(sig, frame):
"""Handle shutdown signals"""
global running
print("\n\nReceived shutdown signal. Stopping retraining service...")
running = False
def main():
"""Start the retraining service"""
print("=" * 60)
print("Auto-Retraining Service")
print("=" * 60)
print(f"Retrain interval: {CONFIG.RETRAIN_INTERVAL_HOURS} hours")
print(f"Model types: {', '.join(CONFIG.MODEL_TYPES)}")
print(f"Ensemble mode: {'Enabled' if CONFIG.USE_ENSEMBLE else 'Disabled'}")
print("=" * 60)
# Register signal handlers
signal.signal(signal.SIGINT, signal_handler)
signal.signal(signal.SIGTERM, signal_handler)
print("\nStarting background retraining service...")
print("Press Ctrl+C to stop\n")
# Start the service
start_retraining_service()
# Keep main thread alive
try:
while running:
time.sleep(1)
except KeyboardInterrupt:
print("\n\nShutting down...")
print("Service stopped.")
if __name__ == "__main__":
main()
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