def create(self, file_attachment, review_request):
        comment = FileAttachmentComment(text=self.cleaned_data['review'],
                                        file_attachment=file_attachment)

        comment.timestamp = timezone.now()
        comment.save(save=True)

        draft = ReviewRequestDraft.create(review_request)
        draft.file_attachment_comments.add(comment)
        draft.save()

        return comment
Returns a suitable description of this field for South.
dataset/ETHPy150Open reviewboard/reviewboard/reviewboard/attachments/forms.py/CommentFileForm.create--crossover with--dataset/ETHPy150Open niwinz/niwi-web/src/niwi/contrib/db/fields/__init__.py/CreationDateTimeField.south_field_triple