From e65099c8f1691d30aa513c7fd272c562d318eb0f Mon Sep 17 00:00:00 2001
From: Harinn <prinn.dev@pm.me>
Date: Sat, 6 Jun 2026 09:12:54 +0700
Subject: [PATCH 1/2] python3Packages.bsdiff4: migrate to pyproject

---
 pkgs/development/python-modules/bsdiff4/default.nix | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/python-modules/bsdiff4/default.nix b/pkgs/development/python-modules/bsdiff4/default.nix
index e37b314f6b96..09e66e9312b4 100644
--- a/pkgs/development/python-modules/bsdiff4/default.nix
+++ b/pkgs/development/python-modules/bsdiff4/default.nix
@@ -2,18 +2,21 @@
   lib,
   buildPythonPackage,
   fetchPypi,
+  setuptools,
 }:
 
 buildPythonPackage rec {
   pname = "bsdiff4";
   version = "1.2.6";
-  format = "setuptools";
+  pyproject = true;
 
   src = fetchPypi {
     inherit pname version;
     hash = "sha256-KrV9AaeLOeKeWszJz+rUEwmC3tncy8QmG9DpxR1rdR0=";
   };
 
+  build-system = [ setuptools ];
+
   pythonImportsCheck = [ "bsdiff4" ];
 
   checkPhase = ''

From a9be4d8f3cf5a734a7830e3fb553ade8b957383a Mon Sep 17 00:00:00 2001
From: Harinn <prinn.dev@pm.me>
Date: Sat, 6 Jun 2026 09:20:54 +0700
Subject: [PATCH 2/2] python3Packages.bsdiff4: modernize

---
 pkgs/development/python-modules/bsdiff4/default.nix | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/pkgs/development/python-modules/bsdiff4/default.nix b/pkgs/development/python-modules/bsdiff4/default.nix
index 09e66e9312b4..7800d69a3194 100644
--- a/pkgs/development/python-modules/bsdiff4/default.nix
+++ b/pkgs/development/python-modules/bsdiff4/default.nix
@@ -5,13 +5,15 @@
   setuptools,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "bsdiff4";
   version = "1.2.6";
   pyproject = true;
 
+  __structuredAttrs = true;
+
   src = fetchPypi {
-    inherit pname version;
+    inherit (finalAttrs) pname version;
     hash = "sha256-KrV9AaeLOeKeWszJz+rUEwmC3tncy8QmG9DpxR1rdR0=";
   };
 
@@ -27,8 +29,8 @@ buildPythonPackage rec {
   meta = {
     description = "Binary diff and patch using the BSDIFF4-format";
     homepage = "https://github.com/ilanschnell/bsdiff4";
-    changelog = "https://github.com/ilanschnell/bsdiff4/blob/${version}/CHANGELOG.txt";
+    changelog = "https://github.com/ilanschnell/bsdiff4/blob/${finalAttrs.version}/CHANGELOG.txt";
     license = lib.licenses.bsdProtection;
     maintainers = with lib.maintainers; [ ris ];
   };
-}
+})