def connect(self): 
        try:
            self.connection = pymongo.Connection(self.host, self.port)
            self.db = self.connection[self.name]
        except AutoReconnect:
            raise DatabaseException("It's not possible connect to the database")
def path(self,x1,y1,x2,y2):
		self.board[y1:y2+1,x1:x2+1] = self.color