def get(cls, bucket, key, version_id=None):
        """Fetch a specific object.

        By default the latest object version is returned, if
        ``version_id`` is not set.

        :param bucket: The bucket (instance or id) to get the object from.
        :param key: Key of object.
        :param version_id: Specific version of an object.
        """
        filters = [
            cls.bucket_id == as_bucket_id(bucket),
            cls.key == key,
        ]

        if version_id:
            filters.append(cls.version_id == version_id)
        else:
            filters.append(cls.is_head.is_(True))
            filters.append(cls.file_id.isnot(None))

        return cls.query.filter(*filters).one_or_none()
def get ( cls , bucket , key , version_id = None ) : filters = [ cls . bucket_id == as_bucket_id ( bucket ) , cls . key == key , ] if version_id : filters . append ( cls . version_id == version_id ) else : filters . append ( cls . is_head . is_ ( True ) ) filters . append ( cls . file_id . isnot ( None ) ) return cls . query . filter ( * filters ) . one_or_none ( )
Fetch a specific object.

        By default the latest object version is returned, if
        ``version_id`` is not set.

        :param bucket: The bucket (instance or id) to get the object from.
        :param key: Key of object.
        :param version_id: Specific version of an object.