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52 lines
2.3 KiB
Python
52 lines
2.3 KiB
Python
from datetime import timedelta
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from importlib import import_module
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from django.conf import settings
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from django.core.management.base import BaseCommand
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from django.db import DEFAULT_DB_ALIAS
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from django.utils import timezone
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from extras.models import ObjectChange
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class Command(BaseCommand):
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help = "Perform nightly housekeeping tasks. (This command can be run at any time.)"
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def handle(self, *args, **options):
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# Clear expired authentication sessions (essentially replicating the `clearsessions` command)
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self.stdout.write("[*] Clearing expired authentication sessions")
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if options['verbosity'] >= 2:
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self.stdout.write(f"\tConfigured session engine: {settings.SESSION_ENGINE}")
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engine = import_module(settings.SESSION_ENGINE)
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try:
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engine.SessionStore.clear_expired()
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self.stdout.write("\tSessions cleared.", self.style.SUCCESS)
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except NotImplementedError:
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self.stdout.write(
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f"\tThe configured session engine ({settings.SESSION_ENGINE}) does not support "
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f"clearing sessions; skipping."
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)
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# Delete expired ObjectRecords
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self.stdout.write("[*] Checking for expired changelog records")
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if settings.CHANGELOG_RETENTION:
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cutoff = timezone.now() - timedelta(days=settings.CHANGELOG_RETENTION)
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if options['verbosity'] >= 2:
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self.stdout.write(f"Retention period: {settings.CHANGELOG_RETENTION} days")
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self.stdout.write(f"\tCut-off time: {cutoff}")
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expired_records = ObjectChange.objects.filter(time__lt=cutoff).count()
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if expired_records:
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self.stdout.write(f"\tDeleting {expired_records} expired records... ", self.style.WARNING, ending="")
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self.stdout.flush()
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ObjectChange.objects.filter(time__lt=cutoff)._raw_delete(using=DEFAULT_DB_ALIAS)
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self.stdout.write("Done.", self.style.WARNING)
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else:
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self.stdout.write("\tNo expired records found.")
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else:
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self.stdout.write(
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f"\tSkipping: No retention period specified (CHANGELOG_RETENTION = {settings.CHANGELOG_RETENTION})"
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)
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self.stdout.write("Finished.", self.style.SUCCESS)
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