Reduce query count

src/character/admin.py

@@ -1,4 +1,5 @@
 from django.contrib import admin
+from django.forms import ModelForm
 
 from character import models
 
@@ -29,6 +30,9 @@ class PathAdmin(admin.ModelAdmin):
         ("Documentation", {"fields": ["url"]}),
     ]
 
+    def get_queryset(self, request):
+        return super().get_queryset(request).select_related("profile", "race")
+
     def related_to(self, instance: models.Path) -> str:
         category = models.Path.Category(instance.category)
         if category == models.Path.Category.PROFILE:
@@ -80,6 +84,21 @@ class RaceAdmin(admin.ModelAdmin):
     inlines = [RacialCapabilityInline, PathInline]
 
 
+class CharacterAdminForm(ModelForm):
+    class Meta:
+        model = models.Character
+        exclude = ()
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.fields["capabilities"].queryset = models.Capability.objects.select_related(
+            "path", "path__race", "path__profile"
+        )
+        self.fields[
+            "racial_capability"
+        ].queryset = models.RacialCapability.objects.select_related("race")
+
+
 @admin.register(models.Character)
 class CharacterAdmin(admin.ModelAdmin):
     list_display = ["name", "player", "race", "profile", "level"]
@@ -152,6 +171,8 @@ class CharacterAdmin(admin.ModelAdmin):
         "weapons",
     ]
 
+    form = CharacterAdminForm
+
 
 @admin.register(models.Weapon)
 class WeaponAdmin(admin.ModelAdmin):

src/character/views.py

@@ -9,7 +9,11 @@ from character.models import Character
 
 @login_required
 def characters_list(request):
-    context = {"characters": Character.objects.filter(player=request.user)}
+    context = {
+        "characters": Character.objects.filter(player=request.user).select_related(
+            "race", "profile"
+        )
+    }
     return render(request, "character/list.html", context)