return the original response if any errors happened because this is a middleware we can t assume the errors will be caught elsewhere no need to check for a flatpage for non 404 responses return the original response if any errors happened because this is a middleware we can t assume the errors will be caught elsewhere
from django.conf import settings
from django.contrib.flatpages.views import flatpage
from django.http import Http404
from django.utils.deprecation import MiddlewareMixin


class FlatpageFallbackMiddleware(MiddlewareMixin):
    def process_response(self, request, response):
        if response.status_code != 404:
            return response  
        try:
            return flatpage(request, request.path_info)
        
        
        except Http404:
            return response
        except Exception:
            if settings.DEBUG:
                raise
            return response