forms.py 文件源码

def validate(self):
        check_validate = super(LoginForm, self).validate()

        if not check_validate:
            return False

        user = User.query.filter_by(email=self.email.data).first()

        if not user:
            check_password_hash('A dumb password', self.password.data)
            self.email.errors.append('Invalid email or password')
            self.password.errors.append('Invalid email or password')
            return False

        if not user.check_password(self.password.data):
            self.email.errors.append('Invalid email or password')
            self.password.errors.append('Invalid email or password')
            return False

        return True