forms.py 文件源码

def validate_login(self):
        user = self.get_user()
        if user is None:
            self.username.errors = ('Invalid username', )
            return False

        if not check_password_hash(user.password, self.password.data):
            self.password.errors = ('Invalid password', )
            return False

        if not user.is_active:
            self.username.errors = ('You are not an user active', )
            return False

        if not user.is_admin:
            self.username.errors = ('You are not an administrator', )
            return False

        return True