Admin: změna způsobu zobrazování celého jména

nepadá, ale nepředvyplňuje se

seminar/admin.py

@@ -8,13 +8,18 @@ from solo.admin import SingletonModelAdmin
 from ckeditor.widgets import CKEditorWidget
 from django.db.models import Count
 from django.db import models
+
 from django.contrib.auth.models import User
 
 from seminar.models import Skola, Resitel, Rocnik, Cislo, Problem, Reseni, PrilohaReseni, Nastaveni, Soustredeni, Soustredeni_Ucastnici, Novinky, Organizator
 import autocomplete_light
 
-uzivatele = [(user, u"{} ({})".format(user.get_full_name(), user)) for user in User.objects.filter(is_staff=True)]
+uzivatele = [(user, u"{} ()".format(1)) for user in User.objects.filter(is_staff=True)]
+print(uzivatele)
 
+class UserModelChoiceField(forms.ModelChoiceField):
+    def label_from_instance(self, obj):
+        return u"{} ({})".format(obj.get_full_name(), obj.username)
 
 def predvypln_prihlaseneho(*pole):
     u"""Dekorátor pro Adminy. Předvyplní do *polí přihlášeného uživatele.
@@ -297,8 +302,8 @@ class ProblemAdminForm(forms.ModelForm):
     text_reseni = forms.CharField(widget=CKEditorWidget(), required=False, **field_labels(Problem, 'text_reseni'))
     text_org = forms.CharField(widget=CKEditorWidget(), required=False, **field_labels(Problem, 'text_org'))
     zamereni = TaggitField(widget=TaggitWidget('TagAutocomplete'), required=False)
-    autor = forms.ChoiceField(choices=uzivatele)
+    autor = UserModelChoiceField(User.objects.filter(is_staff=True))
-    opravovatel = forms.ChoiceField(choices=uzivatele)
+    opravovatel = UserModelChoiceField(User.objects.filter(is_staff=True))
     class Meta:
         model = Problem
         exclude = []
@@ -379,7 +384,8 @@ admin.site.register(Soustredeni, SoustredeniAdmin)
 class NovinkyAdminForm(forms.ModelForm):
     text = forms.CharField(widget=CKEditorWidget(), required=False,
             **field_labels(Novinky, 'text'))
-    autor = forms.ChoiceField(choices=uzivatele)
+    autor = UserModelChoiceField(User.objects.filter(is_staff=True))
+
     class Meta:
         model = Novinky
         exclude = []