def insert(self, doc, synced=False):
        doc.id = self.get_next_id()
        doc.synced = synced
        try:
            self.db.docs.insert(doc)
        except Exception as e:
            raise DatabaseException(e)
        return doc
def _convert_objectGUID(item):
    item = uuid.UUID("{{{0!s}}}".format(item)).bytes_le
    item = escape_bytes(item)
    return item