python312Packages.walrus: fix python 3.12 build

pkgs/development/python-modules/walrus/default.nix

@@ -5,6 +5,7 @@
 , pythonOlder
 , redis
 , unittestCheckHook
+, fetchpatch
 }:
 
 buildPythonPackage rec {
@@ -21,6 +22,16 @@ buildPythonPackage rec {
     hash = "sha256-jinYMGSBAY8HTg92qU/iU5vGIrrDr5SeQG0XjsBVfcc=";
   };
 
+  patches = [
+    # distutils has been deprecated, this wraps its import inside a try-catch
+    # and fallsback to a fallback import.
+    # Should not be necessary in future versions.
+    (fetchpatch {
+      url = "https://github.com/coleifer/walrus/commit/79e20c89aa4015017ef8a3e0b5c27ca2731dc9b2.patch";
+      hash = "sha256-hCpvki6SV3KYhicjjUMP4VrKMEerMjq2n1BgozXKDO8=";
+    })
+  ];
+
   propagatedBuildInputs = [
     redis
   ];
@@ -42,6 +53,8 @@ buildPythonPackage rec {
     "walrus"
   ];
 
+  __darwinAllowLocalNetworking = true;
+
   meta = with lib; {
     description = "Lightweight Python utilities for working with Redis";
     homepage = "https://github.com/coleifer/walrus";