重写authenticate
时间: 2023-09-05 11:10:05 浏览: 36
重新设计authenticate函数:
```python
def authenticate(username: str, password: str) -> bool:
"""
Authenticates the user.
:param username: A string representing the username.
:param password: A string representing the password.
:return: A boolean indicating whether the user is authenticated or not.
"""
# Check if username and password are valid
if username == "" or password == "":
return False
# Retrieve the user from the database
user = User.get_user_by_username(username)
# Check if user exists and password matches
if user and user.check_password(password):
return True
return False
```
修改后的函数使用了类型提示,更加明确参数和返回值的类型。同时,将函数的实现细节封装在User类中,使得代码更加模块化和易于维护。在函数中添加了对用户名和密码的有效性检查,增强了函数的健壮性。