django_5: override globally

flake.nix

@@ -36,7 +36,18 @@
     ...
   }:
     flake-utils.lib.eachDefaultSystem (system: let
-      pkgs = import nixpkgs {inherit system;};
+      pkgs = import nixpkgs {
+        inherit system;
+        overlays = [
+          (_: super: {
+            python3 = super.python3.override {
+              packageOverrides = _: python-super: {
+                django = python-super.django_5;
+              };
+            };
+          })
+        ];
+      };
 
       geoip-mmdb = pkgs.callPackage ./pkgs/geoip-mmdb.nix {
         inherit geoip2-tarball;

modules/e11sync/default.nix

@@ -1,7 +1,6 @@
 e11sync-backend: {
   config,
   lib,
-  pkgs,
   ...
 }: {
   options.e11sync = with lib.types; {
@@ -11,8 +10,6 @@ e11sync-backend: {
 
   config = lib.mkIf config.e11sync.enable {
     environment.systemPackages = [
-      pkgs.python3
-      pkgs.python3Packages.django_5
       e11sync-backend
     ];
   };

pkgs/e11sync-backend.nix

@@ -14,22 +14,13 @@
 }:
 stdenv.mkDerivation {
   name = "e11sync";
-  propagatedBuildInputs = let
+  propagatedBuildInputs = [
-    pythonEnv =
+    (python3.withPackages
-      (python3.override
+      (ps: [
-        {
+        ps.django
-          packageOverrides = _: super: {
+        ps.django-compressor
-            django = super.django_5;
+        ps.geoip2
-          };
+      ]))
-        })
-      .withPackages (ps:
-        with ps; [
-          django
-          django-compressor
-          geoip2
-        ]);
-  in [
-    pythonEnv
     libmaxminddb
   ];
   nativeBuildInputs = [makeWrapper];
@@ -59,7 +50,7 @@ stdenv.mkDerivation {
     runCommand "e11sync-test" {
       src = ../app;
       buildInputs = [
-        python3Packages.django_5
+        python3Packages.django
         python3Packages.django-compressor
         python3Packages.geoip2
         dart-sass

pkgs/e11sync-static.nix

@@ -11,7 +11,7 @@ stdenv.mkDerivation {
   name = "e11sync-static";
   src = ../app;
   nativeBuildInputs = [
-    python3Packages.django_5
+    python3Packages.django
     python3Packages.django-compressor
     dart-sass
   ];