From 61dac96af51b77aebb664e18daadd471dbec604f Mon Sep 17 00:00:00 2001
From: natsukium <tomoya.otabi@gmail.com>
Date: Tue, 19 Sep 2023 00:20:32 +0900
Subject: [PATCH] python311Packages.gevent: patch to replace pkg_resources with
 importlib-metadata

Avoid errors caused by pkg_resources when calling gevent.events.
---
 pkgs/development/python-modules/gevent/default.nix | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/pkgs/development/python-modules/gevent/default.nix b/pkgs/development/python-modules/gevent/default.nix
index b21e40c7a600..938cb99cf8fa 100644
--- a/pkgs/development/python-modules/gevent/default.nix
+++ b/pkgs/development/python-modules/gevent/default.nix
@@ -1,5 +1,6 @@
 { lib
 , fetchPypi
+, fetchpatch
 , buildPythonPackage
 , isPyPy
 , python
@@ -7,6 +8,7 @@
 , cffi
 , cython_3
 , greenlet
+, importlib-metadata
 , setuptools
 , wheel
 , zope_event
@@ -26,6 +28,15 @@ buildPythonPackage rec {
     hash = "sha256-HKAdoXbuN7NSeicC99QNvJ/7jPx75aA7+k+e7EXlXEY=";
   };
 
+  patches = [
+    # Replace deprecated pkg_resources with importlib-metadata
+    (fetchpatch {
+      url = "https://github.com/gevent/gevent/commit/bd96d8e14dc99f757de22ab4bb98439f912dab1e.patch";
+      hash = "sha256-Y+cxIScuEgAVYmmxBJ8OI+JuJ4G+iiROTcRdWglo3l0=";
+      includes = [ "src/gevent/events.py" ];
+    })
+  ];
+
   nativeBuildInputs = [
     cython_3
     setuptools
@@ -39,6 +50,7 @@ buildPythonPackage rec {
   ];
 
   propagatedBuildInputs = [
+    importlib-metadata
     zope_event
     zope_interface
   ] ++ lib.optionals (!isPyPy) [
@@ -50,6 +62,7 @@ buildPythonPackage rec {
 
   pythonImportsCheck = [
     "gevent"
+    "gevent.events"
   ];
 
   meta = with lib; {