Django snippets

from django.conf.urls.defaults import patterns, url
from django.http import HttpResponse

def resource_handler(request, handler_class, handler_suffix, method_param = "__method__", *args, **kwargs):
    method      = request.GET[method_param] if method_param in request.GET else request.method
    method      = method.lower()
    methodname  = method + "_handler_" + handler_suffix
    themethod   = getattr(handler_class, methodname, None)
    if themethod:
        return themethod(request, *args, **kwargs)
    else:
        raise Http404

def handler_params(cls, suffix):
    return {'handler_class': cls, 'handler_suffix': suffix}

class HandlerA(object):
    @classmethod
    def get_handler_objects(cls, request, id = None):
        if id:
            return HttpResponse("You have requested object of id: %s" % id)
        else:
            return HttpResponse("You have requesting listing og objecta")

    @classmethod
    def put_handler_objects(cls, request):
        return HttpResponse("You are creating a new object")

    @classmethod
    def post_handler_objects(cls, request, id):
        return HttpResponse("You are updating object of id: %s" % id)

    @classmethod
    def delete_handler_objects(cls, request, id):
        return HttpResponse("You are deleting object of id: %s" % id)

urlpatterns = patterns('',
    # front page
    url(r'obja/$', resource_handler, handler_params(HandlerA, "objects"), name="list_of_objecta"),
    url(r'obja/create/$', resource_handler, handler_params(HandlerA, "objects"), name="objecta_create"),
    url(r'obja/(?P<id>[^\/]+)/$', resource_handler, handler_params(HandlerA, "objects"), name="objecta_details"),
    url(r'obja/(?P<id>[^\/]+)/delete/$', resource_handler, handler_params(HandlerA, "objects"), name="objecta_delete"),
    url(r'obja/(?P<id>[^\/]+)/update/$', resource_handler, handler_params(HandlerA, "objects"), name="objecta_update"),
)