def edit(request):
user=users.GetCurrentUser()
if user is None:
return http.HttpResponseForbidden('You must be signed in to add or edit a greeting')
profile=Profile.gql("where user=:1",user).get()
form = ProfileForm(data=request.POST or None, instance=profile)
if not request.POST:
return views.respond(request, user, 'profiles/form', {'form': form, 'current_profile': profile})
errors = form.errors
if not errors:
try:
profile = form.save(commit=False)
except ValueError, err:
errors['__all__'] = unicode(err)
