[Backport release-26.05] python3Packages.django-cacheops: fix and modernize (#565332)

pkgs/development/python-modules/django-cacheops/Support-Python-3.14-pickle-changes.patch

@@ -0,0 +1,33 @@
+From 938f8ba11c0676a1b9090c1cf788321ec24979e6 Mon Sep 17 00:00:00 2001
+From: Steve Kowalik <steven@wedontsleep.org>
+Date: Fri, 29 May 2026 12:00:23 +1000
+Subject: [PATCH] Support Python 3.14 pickle changes
+
+pickle.dump() and friends in Python 3.14 will now raise PicklingError
+rather than AttributeError when they encounter something that can not be
+pickled, extend test_385 to handle both exceptions.
+---
+ tests/tests.py | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/tests/tests.py b/tests/tests.py
+index f99f8e26..5ad67a55 100644
+--- a/tests/tests.py
++++ b/tests/tests.py
+@@ -2,6 +2,7 @@
+ from functools import reduce
+ import operator
+ import re
++from pickle import PicklingError
+ import platform
+ import unittest
+ from unittest import mock
+@@ -659,7 +660,7 @@ def test_366(self):
+     def test_385(self):
+         Client.objects.create(name='Client Name')
+ 
+-        with self.assertRaisesRegex(AttributeError, "local object"):
++        with self.assertRaisesRegex((AttributeError, PicklingError), "local object"):
+             Client.objects.filter(name='Client Name').cache().first()
+ 
+         invalidate_model(Client)

pkgs/development/python-modules/django-cacheops/default.nix

@@ -1,7 +1,8 @@
 {
   lib,
   buildPythonPackage,
-  fetchPypi,
+  fetchFromGitHub,
+  fetchpatch,
   django,
   funcy,
   redis,
@@ -18,17 +19,24 @@
   setuptools,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "django-cacheops";
   version = "7.2";
   pyproject = true;
 
-  src = fetchPypi {
-    pname = "django_cacheops";
-    inherit version;
-    hash = "sha256-y8EcwDISlaNkTie8smlA8Iy5wucdPuUGy8/wvdoanzM=";
+  src = fetchFromGitHub {
+    owner = "Suor";
+    repo = "django-cacheops";
+    tag = finalAttrs.version;
+    hash = "sha256-o0QPBfoYZzBPMjDQt8ck2Tkx3qInyfnN88buire0yc4=";
   };
 
+  patches = [
+    # Fixes failure with python3.14 pickle changes
+    # https://github.com/Suor/django-cacheops/pull/511
+    ./Support-Python-3.14-pickle-changes.patch
+  ];
+
   pythonRelaxDeps = [ "funcy" ];
 
   build-system = [ setuptools ];
@@ -59,8 +67,8 @@ buildPythonPackage rec {
   meta = {
     description = "Slick ORM cache with automatic granular event-driven invalidation for Django";
     homepage = "https://github.com/Suor/django-cacheops";
-    changelog = "https://github.com/Suor/django-cacheops/blob/${version}/CHANGELOG";
+    changelog = "https://github.com/Suor/django-cacheops/blob/${finalAttrs.version}/CHANGELOG";
     license = lib.licenses.bsd3;
     maintainers = with lib.maintainers; [ onny ];
   };
-}
+})