Random stuff

gistfile1.py

from django.contrib.auth.models import User
from django.db.models.signals import post_save
from django.dispatch import receiver

@receiver(post_save, sender=User)
def user_created_callback(sender, instance, created, **kwargs):
    if created:
        # do stuff

views.py

def signup(request, **kwargs):


    form_class = kwargs.pop("form_class", SignupForm)
    template_name = kwargs.pop("template_name", "account/signup.html")
    template_name_failure = kwargs.pop("template_name_failure", "signup_codes/f\
ailure.html")
    redirect_field_name = kwargs.pop("redirect_field_name", "next")
    success_url = kwargs.pop("success_url", None)

    group, bridge = group_and_bridge(request)
    ctx = group_context(group, bridge)

    if success_url is None:
        if hasattr(settings, "SIGNUP_REDIRECT_URLNAME"):
            fallback_url = reverse(settings.SIGNUP_REDIRECT_URLNAME)
        else:
            if hasattr(settings, "LOGIN_REDIRECT_URLNAME"):
                fallback_url = reverse(settings.LOGIN_REDIRECT_URLNAME)
            else:
                fallback_url = settings.LOGIN_REDIRECT_URL
        success_url = get_default_redirect(request, fallback_url, redirect_fiel\
d_name)

    code = request.GET.get("code")

    if request.method == "POST":
        form = form_class(request.POST, group=group)
        if form.is_valid():
            user = form.save(request=request)

            signup_code = form.cleaned_data["signup_code"]
            if signup_code:
                signup_code.use(user)

            form.login(request, user)
            messages.add_message(request, messages.SUCCESS,
                ugettext("Successfully logged in as %(username)s.") % {
                    "username": user_display(user),
                }
            )
            return HttpResponseRedirect(success_url)
    else:
        signup_code = SignupCode.check(code)
        if signup_code:
            initial = {
                "signup_code": code,
                "email": signup_code.email,
            }
            form = form_class(initial=initial, group=group)
        else:
            if not settings.ACCOUNT_OPEN_SIGNUP:
                ctx.update({
                    "code": code,
                })
                ctx = RequestContext(request, ctx)
                # if account signup is not open we want to fail when there is   
                # no sign up code or what was provided failed.                  
                return render_to_response(template_name_failure, ctx)
            else:
                form = form_class(group=group)

    ctx.update({
        "code": code,
        "form": form,
        "redirect_field_name": redirect_field_name,
        "redirect_field_value": request.REQUEST.get(redirect_field_name),
    })

   return render_to_response(template_name, RequestContext(request, ctx))