forms.py 文件源码

def validate_current_password(form, field):
        """
        Validates current password entered with the password stored in
        database

        :param form: The form which is being passed in
        :type form: AccountForm
        :param field: The data value for the 'password' entered by User
        :type field : PasswordField
        """
        if form.user is not None:
            if not form.user.is_password_valid(field.data):
                raise ValidationError('Invalid password')
        else:
            raise ValidationError('User instance not passed to form '
                                  'validation')