debug.py 文件源码

def default_urlconf(request):
    "Create an empty URLconf 404 error response."
    t = DEBUG_ENGINE.from_string(DEFAULT_URLCONF_TEMPLATE)
    c = Context({
        "title": _("Welcome to Django"),
        "heading": _("It worked!"),
        "subheading": _("Congratulations on your first Django-powered page."),
        "instructions": _("Of course, you haven't actually done any work yet. "
            "Next, start your first app by running <code>python manage.py startapp [app_label]</code>."),
        "explanation": _("You're seeing this message because you have <code>DEBUG = True</code> in your "
            "Django settings file and you haven't configured any URLs. Get to work!"),
    })

    return HttpResponse(t.render(c), content_type='text/html')

#
# Templates are embedded in the file so that we know the error handler will
# always work even if the template loader is broken.
#