models.py 文件源码

def clone(self, **override):
        # See: https://github.com/django/django/commit/a97ecfdea8
        copy = self.__class__.objects.get(pk=self.pk)
        copy.pk = None
        copy.date_complete = datetime(1970, 1, 2, tzinfo=timezone.utc)
        copy.failure_datetime = None
        copy.queued = copy.running = False
        copy.complete_duration = 0
        copy.backup_size_mb = 0

        # Use the overrides.
        for key, value in override.items():
            setattr(copy, key, value)

        copy.save()
        return copy