PyPI 官网下载 | django-extra-exceptions-1.0.0.tar.gz

from django.shortcuts import render from django.core.exceptions import ViewDoesNotExist from django.http import HttpResponse from django.template import loader, TemplateDoesNotExist from .utils import HttpException import httplib class HttpExceptionMiddleware(object): """ Replace Status code raises for a {{status}}.html rendered template """ def process_exception(self, request, exception): """ Render a {{status}}.html template or default template as status page, but only if exception is instance of HttpException class """ # we need to import to use isinstance if not isinstance(exception,HttpException): # Return None so that django will reraise the exception: # http://docs.djangoproject.com/en/dev/topics/http/middleware/#process_exception return None context = { 'message': exception.message, 'w3cname': httplib.responses.get(exception.status, str(exception.status)) } try: template_name = str(exception.status) + '.html' loader.get_template(str(exception.status) + '.html') except TemplateDoesNotExist: template_name = ("extra_exceptions/default_error_page.html") # now use context and render template return render( request, template_name, dictionary = { 'message': exception.message, 'w3cname': httplib.responses.get(exception.status, str(exception.status)) }, status=exception.status, )