archivebox: refactor and fix

Archivebox didn't build before but does now.

pkgs/applications/misc/archivebox/default.nix

@@ -1,42 +1,34 @@
 { lib
-, buildPythonApplication
-, fetchPypi
-, requests
-, mypy-extensions
-, django_3
-, django-extensions
-, dateparser
-, youtube-dl
-, python-crontab
-, croniter
-, w3lib
-, ipython
+, python3
 }:
 
 let
-  django_3' = django_3.overridePythonAttrs (old: rec {
-    pname = "Django";
-    version = "3.1.7";
-    src = fetchPypi {
-      inherit pname version;
-      sha256 = "sha256-Ms55Lum2oMu+w0ASPiKayfdl3/jCpK6SR6FLK6OjZac=";
+  python = python3.override {
+    packageOverrides = self: super: {
+      django = super.django_3.overridePythonAttrs (old: rec {
+        version = "3.1.7";
+        src = old.src.override {
+          inherit version;
+          sha256 = "sha256-Ms55Lum2oMu+w0ASPiKayfdl3/jCpK6SR6FLK6OjZac=";
+        };
+      });
     };
-  });
+  };
 in
 
-buildPythonApplication rec {
+python.pkgs.buildPythonApplication rec {
   pname = "archivebox";
   version = "0.6.2";
 
-  src = fetchPypi {
+  src = python.pkgs.fetchPypi {
     inherit pname version;
     sha256 = "sha256-zHty7lTra6yab9d0q3EqsPG3F+lrnZL6PjQAbL1A2NY=";
   };
 
-  propagatedBuildInputs = [
+  propagatedBuildInputs = with python.pkgs; [
     requests
     mypy-extensions
-    django_3'
+    django
     django-extensions
     dateparser
     youtube-dl

pkgs/top-level/all-packages.nix

@@ -1332,7 +1332,7 @@ with pkgs;
 
   ArchiSteamFarm = callPackage ../applications/misc/ArchiSteamFarm { };
 
-  archivebox = python3Packages.callPackage ../applications/misc/archivebox { };
+  archivebox = callPackage ../applications/misc/archivebox { };
 
   archivemount = callPackage ../tools/filesystems/archivemount { };