se filtra objetos por permisos

 from django.db.models import QuerySet
+from django.db.models import Q
+from django.contrib.auth.models import Permission
 
 
 class PublicadoQuerySet(QuerySet):
     def get_queryset(self):
         return self.filter(publicado__isnull=False)
+
+
+def filter_queryset_by_permissions(queryset, user):
+    if not user.is_superuser:
+        grupos_usuario = user.groups.all()
+        organismo_codenames = Permission.objects.filter(
+            group__in=grupos_usuario,
+            codename__startswith='view_'
+        ).values_list('codename', flat=True)
+        organismos_permitidos = [
+            codename[len('view_'):].replace('_', ' ')
+            for codename in organismo_codenames
+        ]
+        query = Q()
+        for name in organismos_permitidos:
+            query |= Q(short_name__icontains=name)
+        return queryset.filter(query)
+    return queryset

 from django.contrib import admin
+from django.db.models import Q
 
 from .models import Organismo, Dependencia
+from core.querysets import filter_queryset_by_permissions
 
 # Register your models here.
 
@@ -8,40 +10,24 @@ from .models import Organismo, Dependencia
 @admin.register(Organismo)
 class OrganismoAdmin(admin.ModelAdmin):
     model = Organismo
-    list_display = ('id', 'short_name')
+    list_display = ('short_name', )
     list_filter = ('short_name',)
     search_fields = ('short_name', )
 
-    def has_view_permission(self, request, obj=None):
-        if obj is not None:
-            return request.user.has_perm(f'organismo.view_{obj.short_name.lower().replace(" ", "_")}')
-        return request.user.has_perm('organismo.view_organismo')
-
-    def has_add_permission(self, request):
-        return request.user.has_perm('organismo.create_organismo')
-
-    def has_change_permission(self, request, obj=None):
-        if obj is not None:
-            return request.user.has_perm(f'organismo.edit_{obj.short_name.lower().replace(" ", "_")}')
-        return request.user.has_perm('organismo.edit_organismo')
-
-    def has_delete_permission(self, request, obj=None):
-        if obj is not None:
-            return request.user.has_perm(f'organismo.delete_{obj.short_name.lower().replace(" ", "_")}')
-        return request.user.has_perm('organismo.delete_organismo')
+    def get_queryset(self, request):
+        qs = super().get_queryset(request)
+        qs = filter_queryset_by_permissions(qs, request.user)
+        return qs
 
 
 @admin.register(Dependencia)
 class DependenciaAdmin(admin.ModelAdmin):
     model = Dependencia
-    list_display = ('id', 'organismo', 'short_name',)
+    list_display = ('short_name', 'organismo',)
     list_filter = ('organismo', 'short_name',)
     search_fields = ('short_name',)
 
     def get_queryset(self, request):
-        queryset = super().get_queryset(request)
-
-        if not request.user.is_superuser:
-            user_groups = request.user.groups.all()
-
-        return queryset
+        qs = super().get_queryset(request)
+        qs = filter_queryset_by_permissions(qs, request.user)
+        return qs

@@ -19,38 +19,6 @@ class Organismo(models.Model):
         return f'{self.short_name}'
 
 
-def custom_permission_organismo_create(organismo):
-    content_type = ContentType.objects.get_for_model(Organismo)
-
-    action = 'view'
-    codename = f'{action}_{organismo.short_name.lower().replace(" ", "_")}'
-    if not Permission.objects.filter(codename=codename, content_type=content_type).exists():
-        Permission.objects.create(
-            codename=codename,
-            name=f'Can {action} {organismo.short_name}',
-            content_type=content_type,
-        )
-
-
-def custom_permission_organismo_delete(organismo):
-    content_type = ContentType.objects.get_for_model(Organismo)
-
-    action = 'view'
-    codename = f'{action}_{organismo.short_name.lower().replace(" ", "_")}'
-    Permission.objects.filter(codename=codename, content_type=content_type).delete()
-
-
-@receiver(post_save, sender=Organismo)
-def manage_organismo_permissions(sender, instance, created, **kwargs):
-    if created:
-        custom_permission_organismo_create(instance)
-    else:
-        old_instance = Organismo.objects.get(pk=instance.pk)
-        if old_instance.short_name != instance.short_name:
-            custom_permission_organismo_create(old_instance)
-            custom_permission_organismo_delete(instance)
-
-
 class Dependencia(models.Model):
     objects = None
 
@@ -65,33 +33,36 @@ class Dependencia(models.Model):
         return f'{self.organismo} - {self.short_name}'
 
 
-def custom_permission_dependencia_create(dependencia):
-    content_type = ContentType.objects.get_for_model(dependencia)
-
+def custom_permission_create(instance, model_class):
+    content_type = ContentType.objects.get_for_model(model_class)
     action = 'view'
-    codename = f'{action}_{dependencia.short_name.lower().replace(" ", "_")}'
+    codename = f'{action}_{instance.short_name.lower().replace(" ", "_")}'
+
     if not Permission.objects.filter(codename=codename, content_type=content_type).exists():
         Permission.objects.create(
             codename=codename,
-            name=f'Can {action} {dependencia.short_name}',
+            name=f'Can {action} {instance.short_name}',
             content_type=content_type,
         )
 
 
-def custom_permissions_dependencia_delete(dependencia):
-    content_type = ContentType.objects.get_for_model(dependencia)
-
+def custom_permission_delete(instance, model_class):
+    content_type = ContentType.objects.get_for_model(model_class)
     action = 'view'
-    codename = f'{action}_{dependencia.short_name.lower().replace(" ", "_")}'
+    codename = f'{action}_{instance.short_name.lower().replace(" ", "_")}'
+
     Permission.objects.filter(codename=codename, content_type=content_type).delete()
 
 
 @receiver(post_save, sender=Dependencia)
-def manage_dependencia_permissions(sender, instance, created, **kwargs):
+@receiver(post_save, sender=Organismo)
+def manage_permissions(sender, instance, created, **kwargs):
+    model_class = type(instance)
+
     if created:
-        custom_permission_dependencia_create(instance)
+        custom_permission_create(instance, model_class)
     else:
-        old_instance = Organismo.objects.get(pk=instance.pk)
+        old_instance = model_class.objects.get(pk=instance.pk)
         if old_instance.short_name != instance.short_name:
-            custom_permissions_dependencia_delete(old_instance)
-            custom_permission_dependencia_create(instance)
\ No newline at end of file
+            custom_permission_delete(old_instance, model_class)
+            custom_permission_create(instance, model_class)