404.py

404.py

from pyramid.httpexceptions import HTTPNotFound

from pyramid.view import (
    AppendSlashNotFoundViewFactory,
    view_config
    )

def notfound_view(context, request):
    return HTTPNotFound('It aint there, stop trying!')

custom_append_slash = AppendSlashNotFoundViewFactory(notfound_view)
custom_append_slash = view_config(custom_append_slash, context=HTTPNotFound)