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 path(self,x1,y1,x2,y2):
		self.board[y1:y2+1,x1:x2+1] = self.color