From 10e5b931ebcc243badc4678c194aaa04be3f7ab1 Mon Sep 17 00:00:00 2001
From: Jan Tojnar <jtojnar@gmail.com>
Date: Wed, 8 Jul 2020 15:19:32 +0200
Subject: [PATCH] python3.pkgs.libevdev: hardcode path

---
 .../python-modules/libevdev/default.nix       | 15 ++++++++++++-
 .../python-modules/libevdev/fix-paths.patch   | 22 +++++++++++++++++++
 2 files changed, 36 insertions(+), 1 deletion(-)
 create mode 100644 pkgs/development/python-modules/libevdev/fix-paths.patch

diff --git a/pkgs/development/python-modules/libevdev/default.nix b/pkgs/development/python-modules/libevdev/default.nix
index 220d60663a3..92875660de8 100644
--- a/pkgs/development/python-modules/libevdev/default.nix
+++ b/pkgs/development/python-modules/libevdev/default.nix
@@ -1,4 +1,10 @@
-{ stdenv, buildPythonPackage, isPy27, fetchPypi }:
+{ stdenv
+, buildPythonPackage
+, isPy27
+, fetchPypi
+, substituteAll
+, pkgs
+}:
 
 buildPythonPackage rec {
   pname = "libevdev";
@@ -10,6 +16,13 @@ buildPythonPackage rec {
     sha256 = "17agnigmzscmdjqmrylg1lza03hwjhgxbpf4l705s6i7p7ndaqrs";
   };
 
+  patches = [
+    (substituteAll {
+      src = ./fix-paths.patch;
+      libevdev = stdenv.lib.getLib pkgs.libevdev;
+    })
+  ];
+
   doCheck = false;
 
   meta = with stdenv.lib; {
diff --git a/pkgs/development/python-modules/libevdev/fix-paths.patch b/pkgs/development/python-modules/libevdev/fix-paths.patch
new file mode 100644
index 00000000000..e73c360b146
--- /dev/null
+++ b/pkgs/development/python-modules/libevdev/fix-paths.patch
@@ -0,0 +1,22 @@
+diff --git a/libevdev/_clib.py b/libevdev/_clib.py
+index 6e4ab2c..9db54d1 100644
+--- a/libevdev/_clib.py
++++ b/libevdev/_clib.py
+@@ -120,7 +120,7 @@ class Libevdev(_LibraryWrapper):
+ 
+     @staticmethod
+     def _cdll():
+-        return ctypes.CDLL("libevdev.so.2", use_errno=True)
++        return ctypes.CDLL("@libevdev@/lib/libevdev.so.2", use_errno=True)
+ 
+     _api_prototypes = {
+         # const char *libevdev_event_type_get_name(unsigned int type);
+@@ -910,7 +910,7 @@ class UinputDevice(_LibraryWrapper):
+ 
+     @staticmethod
+     def _cdll():
+-        return ctypes.CDLL("libevdev.so.2", use_errno=True)
++        return ctypes.CDLL("@libevdev@/lib/libevdev.so.2", use_errno=True)
+ 
+     _api_prototypes = {
+         # int libevdev_uinput_create_from_device(const struct libevdev *, int, struct libevdev_uinput **)