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copied!<p>What I do is to set some '_attrs' to the instance and then use them in the signal handler.</p> <p>I imagine your case could be:</p> <pre><code># Function to Create user Account/Profile def create_user_account(sender, instance, created, **kwargs): if created: attrs_needed = ['_language', '_field', '_otherfield'] if all(hasattr(instance, attr) for attr in attr_needed): models.Account.objects.create( user=instance, language=instance._language, field=instance._field, otherfield=instance._otherfield) # Create User / User Registration def UserRegistration(request): if request.method == 'POST': username = request.POST['fn'].capitalize() + ' ' + request.POST['ln'].capitalize() # CREATE USER newuser = User.objects.create_user( username=username, email=request.POST['email'], password=request.POST['pw']) newuser.first_name = request.POST['fn'].capitalize() newuser.last_name = request.POST['ln'].capitalize() # Set some extra attrs to the instance to be used in the handler. newuser._language = request.POST['language'] newuser._field = request.POST['field'] newuser._otherfield = request.POST['otherfield'] newuser.save() return HttpResponse(username) #Post Save handler to create user Account/Profile post_save.connect(create_user_account, sender=User) </code></pre> <p>I hate to do this, and I imagine it can breaks in horrible ways, and is hard to debug sometimes, also there is no a strict way to force the data needed for the handler, one could define a <code>signal_data(data, signal, instance)</code> to define the data needed for the signal handler for a particular instance.</p> <p>A nice option that I haven't tried is to use methods of the instance as signal's handlers and maybe we can use a more structured way to pass the data.</p> <p>Bye.</p>

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