django-debug-toolbar/tests/sync.py at 08032445d93cba49985131c3577450cce8b4f4f1 · django-commons/django-debug-toolbar · GitHub

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"""
Taken from channels.db
"""

from asgiref.sync import SyncToAsync
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