From 0084934a15fcf90d0636694d37484e7d374c8595 Mon Sep 17 00:00:00 2001
From: Martin Weinelt <hexa@darmstadt.ccc.de>
Date: Tue, 14 Jul 2026 12:58:03 +0200
Subject: [PATCH] python3Packages.dataclasses-serialization: drop

Unmaintained upstream and broken for Python 3.13 and higher.
---
 .../dataclasses-serialization/default.nix     | 64 -------------------
 pkgs/top-level/python-aliases.nix             |  1 +
 pkgs/top-level/python-packages.nix            |  2 -
 3 files changed, 1 insertion(+), 66 deletions(-)
 delete mode 100644 pkgs/development/python-modules/dataclasses-serialization/default.nix

diff --git a/pkgs/development/python-modules/dataclasses-serialization/default.nix b/pkgs/development/python-modules/dataclasses-serialization/default.nix
deleted file mode 100644
index f9b05df532cd..000000000000
--- a/pkgs/development/python-modules/dataclasses-serialization/default.nix
+++ /dev/null
@@ -1,64 +0,0 @@
-{
-  lib,
-  buildPythonPackage,
-  fetchFromGitHub,
-  more-properties,
-  typing-inspect,
-  toolz,
-  toposort,
-  bson,
-  pytestCheckHook,
-}:
-
-buildPythonPackage rec {
-  pname = "dataclasses-serialization";
-  version = "1.3.1";
-
-  # upstream requires >= 3.6 but only 3.7 includes dataclasses
-
-  format = "setuptools";
-
-  src = fetchFromGitHub {
-    owner = "madman-bob";
-    repo = "python-dataclasses-serialization";
-    rev = version;
-    hash = "sha256-jLMR2D01KgzHHRP0zduMBJt8xgBmIquWLCjZYLo2/AA=";
-  };
-
-  postPatch = ''
-    mv pypi_upload/setup.py .
-    substituteInPlace setup.py \
-      --replace "project_root = Path(__file__).parents[1]" "project_root = Path(__file__).parents[0]"
-
-    # https://github.com/madman-bob/python-dataclasses-serialization/issues/16
-    sed -i '/(\(Dict\|List\)/d' tests/test_json.py tests/test_bson.py
-  '';
-
-  # dataclasses is included in Python 3.7
-  pythonRemoveDeps = [ "dataclasses" ];
-
-  propagatedBuildInputs = [
-    more-properties
-    typing-inspect
-    toolz
-    toposort
-  ];
-
-  nativeCheckInputs = [
-    bson
-    pytestCheckHook
-  ];
-
-  pythonImportsCheck = [
-    "dataclasses_serialization.bson"
-    "dataclasses_serialization.json"
-    "dataclasses_serialization.serializer_base"
-  ];
-
-  meta = {
-    description = "Serialize/deserialize Python dataclasses to various other data formats";
-    homepage = "https://github.com/madman-bob/python-dataclasses-serialization";
-    license = lib.licenses.mit;
-    maintainers = with lib.maintainers; [ dotlambda ];
-  };
-}
diff --git a/pkgs/top-level/python-aliases.nix b/pkgs/top-level/python-aliases.nix
index b104bfdb571b..1f2b9e6118a0 100644
--- a/pkgs/top-level/python-aliases.nix
+++ b/pkgs/top-level/python-aliases.nix
@@ -161,6 +161,7 @@ mapAliases {
   cx_oracle = throw "'cx_oracle' has been renamed to/replaced by 'cx-oracle'"; # Converted to throw 2025-10-29
   dalle-mini = throw "'dalle-mini' has been removed due to lack of upstream maintenance"; # added 2026-02-26
   dask-yarn = throw "'dask-yarn' has been removed due to lack of upstream maintenance"; # added 2026-07-06
+  dataclasses-serialization = throw "'dataclasses-serialization' has been removed due to lack of upstream maintenance."; # added 2026-07-14
   datashape = throw "'datashape' has been removed as it was unmaintained upstream"; # Added 2026-03-22
   datatable = throw "'datatable' has been removed due to lack of upstream maintenance"; # added 2026-02-02
   dateutil = throw "'dateutil' has been renamed to/replaced by 'python-dateutil'"; # Converted to throw 2025-10-29
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 8de0ece622aa..a053ce0b73c6 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -3993,8 +3993,6 @@ self: super: with self; {
 
   dataclasses-json = callPackage ../development/python-modules/dataclasses-json { };
 
-  dataclasses-serialization = callPackage ../development/python-modules/dataclasses-serialization { };
-
   dataconf = callPackage ../development/python-modules/dataconf { };
 
   datadiff = callPackage ../development/python-modules/datadiff { };