Arbitrary MySQL database class in Python

mysql_db.py

class MySQLDatabase:
    def __init__(self, database, user, password, host, port):
        self.database = database
        self.user = user
        self.password = password
        self.host = host
        self.port = port
        
    def connect(self):
        return MySQLDatabase(self.database, self.user, self.password, self.host, self.port)
    
    def disconnect(self):
        self.database.close()
        
    def query(self, query):
        return self.database.query(query)
      
    def execute(self, query):
        return self.database.execute(query)
    
    def fetchone(self, query):
        return self.database.fetchone(query)
    
    def fetchall(self, query):
        return self.database.fetchall(query)
      
    def commit(self):
        return self.database.commit()
    
    def rollback(self):
        return self.database.rollback()
      
    def __str__(self):
        return f"MySQLDatabase(database={self.database}, user={self.user}, password={self.password}, host={self.host}, port={self.port})"