views.py 文件源码

def respond_error(request, form, message, code, template_name='news/formerror.html'):
    """
    Return either a JSON or HTML error response

    @param request: the request
    @param form: the bound form object
    @param message: the error message
    @param code: the HTTP status code
    @param template_name: the template name in case of HTML response
    @return: HttpResponse object
    """
    if request.is_ajax():
        return HttpResponseJSON({
            'status': 'error',
            'errors': [message],
            'errors_by_field': {NON_FIELD_ERRORS: [message]}
        }, code)
    else:
        form.add_error(None, message)
        return render(request, template_name, {'form': form}, status=code)