TagsController.py 文件源码

def create(body):
    """ Create new tag
    """
    try:
        body.pop('id', None)
        if body.get('tagType') not in TAG_TYPE:
            raise BadRequest('Invalid or missing tag type')

        existing = [tag.lower() for tag in Tag.objects.all().values_list('name', flat=True)]
        if body['name'].lower().strip() in existing:
            raise BadRequest('Tag already exists')
        body['codename'] = body['name'].lower().replace(' ', '_')
        tag = Tag.objects.get_or_create(**body)[0]
    except (AttributeError, KeyError, FieldError, IntegrityError, ValueError):
        raise BadRequest('Invalid fields in body')
    return model_to_dict(tag)