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from asgiref.sync import SyncToAsync, sync_to_async
from django.db import close_old_connections
class DatabaseSyncToAsync(SyncToAsync):
"""
SyncToAsync version that cleans up old database connections when it exits.
"""
def thread_handler(self, loop, *args, **kwargs):
close_old_connections()
try:
return super().thread_handler(loop, *args, **kwargs)
finally:
close_old_connections()
# The class is TitleCased, but we want to encourage use as a callable/decorator
database_sync_to_async = DatabaseSyncToAsync
async def aclose_old_connections():
return await sync_to_async(close_old_connections)()
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