From 9edc36f2c261064d5383102d4bb86d0bdf3737a3 Mon Sep 17 00:00:00 2001
From: Tom Hunze <dev@thunze.de>
Date: Sun, 4 May 2025 12:43:30 +0200
Subject: [PATCH 1/2] python312Packages.mpl-scatter-density: fix build

---
 .../mpl-scatter-density/default.nix           | 19 ++++++++-----------
 1 file changed, 8 insertions(+), 11 deletions(-)

diff --git a/pkgs/development/python-modules/mpl-scatter-density/default.nix b/pkgs/development/python-modules/mpl-scatter-density/default.nix
index 269425357b5f..2c8c5c0f64aa 100644
--- a/pkgs/development/python-modules/mpl-scatter-density/default.nix
+++ b/pkgs/development/python-modules/mpl-scatter-density/default.nix
@@ -1,9 +1,9 @@
 {
   lib,
+  stdenv,
   buildPythonPackage,
   pytestCheckHook,
   fetchFromGitHub,
-  fetchpatch,
   pythonOlder,
   setuptools-scm,
   setuptools,
@@ -12,12 +12,13 @@
   numpy,
   wheel,
   pytest-mpl,
+  writableTmpDirAsHomeHook,
 }:
 
 buildPythonPackage rec {
   pname = "mpl-scatter-density";
   version = "0.8";
-  format = "setuptools";
+  pyproject = true;
 
   disabled = pythonOlder "3.6";
 
@@ -28,15 +29,6 @@ buildPythonPackage rec {
     sha256 = "sha256-pDiKJAN/4WFf5icNU/ZGOvw0jqN3eGZHgilm2oolpbE=";
   };
 
-  patches = [
-    # https://github.com/astrofrog/mpl-scatter-density/pull/37
-    (fetchpatch {
-      name = "distutils-removal.patch";
-      url = "https://github.com/ifurther/mpl-scatter-density/commit/6feedabe1e82da67d8eec46a80eb370d9f334251.patch";
-      sha256 = "sha256-JqWlSm8mIwqjRPa+kMEaKipJyzGEO+gJK+Q045N1MXA=";
-    })
-  ];
-
   nativeBuildInputs = [
     setuptools
     setuptools-scm
@@ -52,8 +44,13 @@ buildPythonPackage rec {
   nativeCheckInputs = [
     pytestCheckHook
     pytest-mpl
+    writableTmpDirAsHomeHook
   ];
 
+  # Need to set MPLBACKEND=agg for headless `matplotlib` on darwin.
+  # https://github.com/matplotlib/matplotlib/issues/26292
+  env.MPLBACKEND = lib.optionalString stdenv.hostPlatform.isDarwin "agg";
+
   disabledTests = [
     # AssertionError: (240, 240) != (216, 216)
     # Erroneous pinning of figure DPI, sensitive to runtime environment

From ff51c326b64dfcfa3eaf97bdb400822ad010f072 Mon Sep 17 00:00:00 2001
From: Tom Hunze <dev@thunze.de>
Date: Sun, 4 May 2025 12:48:56 +0200
Subject: [PATCH 2/2] python312Packages.mpl-scatter-density: refactor

---
 .../python-modules/mpl-scatter-density/default.nix       | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/pkgs/development/python-modules/mpl-scatter-density/default.nix b/pkgs/development/python-modules/mpl-scatter-density/default.nix
index 2c8c5c0f64aa..f8b4444ec0d8 100644
--- a/pkgs/development/python-modules/mpl-scatter-density/default.nix
+++ b/pkgs/development/python-modules/mpl-scatter-density/default.nix
@@ -4,7 +4,6 @@
   buildPythonPackage,
   pytestCheckHook,
   fetchFromGitHub,
-  pythonOlder,
   setuptools-scm,
   setuptools,
   fast-histogram,
@@ -20,22 +19,20 @@ buildPythonPackage rec {
   version = "0.8";
   pyproject = true;
 
-  disabled = pythonOlder "3.6";
-
   src = fetchFromGitHub {
     owner = "astrofrog";
     repo = pname;
     tag = "v${version}";
-    sha256 = "sha256-pDiKJAN/4WFf5icNU/ZGOvw0jqN3eGZHgilm2oolpbE=";
+    hash = "sha256-pDiKJAN/4WFf5icNU/ZGOvw0jqN3eGZHgilm2oolpbE=";
   };
 
-  nativeBuildInputs = [
+  build-system = [
     setuptools
     setuptools-scm
     wheel
   ];
 
-  propagatedBuildInputs = [
+  dependencies = [
     matplotlib
     numpy
     fast-histogram