From 28d7a0f7c9363f29fc53abf0543cf9b5cfeaa07e Mon Sep 17 00:00:00 2001
From: Martin Weinelt <hexa@darmstadt.ccc.de>
Date: Wed, 12 Nov 2025 02:27:08 +0100
Subject: [PATCH] python3Packages.marshmallow: 3.26.1 -> 4.1.0

https://github.com/marshmallow-code/marshmallow/blob/4.1.0/CHANGELOG.rst
---
 .../python-modules/marshmallow/default.nix    | 21 ++++++++++++++-----
 1 file changed, 16 insertions(+), 5 deletions(-)

diff --git a/pkgs/development/python-modules/marshmallow/default.nix b/pkgs/development/python-modules/marshmallow/default.nix
index 0ab9cf7f5dab..5b7dcfe0396d 100644
--- a/pkgs/development/python-modules/marshmallow/default.nix
+++ b/pkgs/development/python-modules/marshmallow/default.nix
@@ -3,27 +3,38 @@
   stdenv,
   buildPythonPackage,
   fetchFromGitHub,
+  pythonOlder,
+
+  # build-system
   flit-core,
-  packaging,
+
+  # dependencies
+  backports-datetime-fromisoformat,
+  typing-extensions,
+
+  # tests
   pytestCheckHook,
   simplejson,
 }:
 
 buildPythonPackage rec {
   pname = "marshmallow";
-  version = "3.26.1";
+  version = "4.1.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "marshmallow-code";
     repo = "marshmallow";
     tag = version;
-    hash = "sha256-l5pEhv8D6jRlU24SlsGQEkXda/b7KUdP9mAqrZCbl38=";
+    hash = "sha256-h1wkeJbJY/0K3Vpxz+Bc2/2PDWgOMqropG0XMBzAOq8=";
   };
 
-  nativeBuildInputs = [ flit-core ];
+  build-system = [ flit-core ];
 
-  propagatedBuildInputs = [ packaging ];
+  dependencies = lib.optionals (pythonOlder "3.11") [
+    backports-datetime-fromisoformat
+    typing-extensions
+  ];
 
   nativeCheckInputs = [
     pytestCheckHook