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3786a3f | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | import os
import logging
from django.apps import AppConfig
logger = logging.getLogger(__name__)
class GraphRAGConfig(AppConfig):
"""
Django app configuration for the graphrag application.
Handles startup recovery of stuck documents and initialization.
"""
default_auto_field = 'django.db.models.BigAutoField'
name = 'graphrag'
verbose_name = 'GraphRAG Knowledge Graph'
def ready(self):
"""
Called when Django starts. Recovers documents stuck in PROCESSING state
due to server restarts or unhandled crashes.
"""
if os.environ.get('RUN_MAIN') or 'runserver' in os.environ.get('DJANGO_SETTINGS_MODULE', ''):
self._recover_stuck_documents()
def _recover_stuck_documents(self):
"""
Reset any documents stuck in PROCESSING for more than 10 minutes back to FAILED.
This handles server restarts mid-ingestion where threads died without cleanup.
"""
try:
from django.utils import timezone
from datetime import timedelta
Document = self.get_model('Document')
threshold = timezone.now() - timedelta(minutes=10)
stuck_docs = Document.objects.filter(
status=Document.Status.PROCESSING,
updated_at__lt=threshold
)
count = stuck_docs.update(
status=Document.Status.FAILED,
error_message='Server restart detected. Please re-upload the document.'
)
if count:
logger.warning(
"Startup recovery: Reset %d stuck PROCESSING documents to FAILED.",
count
)
else:
logger.info("Startup recovery: No stuck documents found.")
except Exception as e:
logger.error("Startup recovery failed: %s", str(e), exc_info=True)
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