code: def connect(self):
          
          mongodb_args = {
              'host': self.host,
              'port': self.port,
              'username': self._username,
              'password': self._password,
              'authSource': self._auth_source,
              'serverSelectionTimeoutMS': self._connect_timeout
          }
  
          if self._auth_mechanism is not None:
              mongodb_args['authMechanism'] = self._auth_mechanism
  
          self._client = MongoClient(**mongodb_args)
  
          if self._handle_reconnect:
              self._client = MongoClientProxy(self._client)
docs: Establishes a connection to the MongoDB server.
  
          Use the MongoProxy library in order to automatically handle AutoReconnect
          exceptions in a graceful and reliable way.