Login con conexión a MySQL con contraseña encriptada

import mysql.connector
import hashlib
import sys

def login(username, password):
    """
    
    """
    # Create connection
    mydb = mysql.connector.connect(
      host="localhost",
      user="user",
      passwd="pass",
      database="mydatabase"
    )

    # Create cursor to execute queries
    cursor = mydb.cursor()
    
    # Create query and execute
    query = f"SELECT * FROM login WHERE username = '{username}'"
    cursor.execute(query)

    # Fetch all results
    result = cursor.fetchall()
    
    # Check if query was successful
    if result == []:
        print("Invalid username and/or password")
        return
    
    # Check if user exists
    if len(result) != 1:
        print("ERROR: More than one user exists")
        return
    
    # Check if password is correct
    # Load password from database
    db_password = result[0][1]
    
    # Encrypt password