Replacing a Django image doesn't delete original

Question

In Django, if you have a ImageFile in a model, deleting will remove the associated file from disk as well as removing the record from the database.

Shouldn\'t replac

Answer 1

I save the original file and if it has changed - delete it.

class Document(models.Model):
    document = FileField()

    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self._document = self.document

    def save(self, *args, **kwargs):
        if self.document != self._document:
            self._document.delete()
            super().save(*args, **kwargs)