Merge pull request #40470 from teto/libnl_python

[RFC] pythonPackages.libnl: init+bump at 3.4.0

pkgs/os-specific/linux/libnl/default.nix

@@ -1,17 +1,18 @@
-{ stdenv, lib, fetchFromGitHub, fetchpatch, autoreconfHook, bison, flex, pkgconfig }:
+{ stdenv, file, lib, fetchFromGitHub, fetchpatch, autoreconfHook, bison, flex, pkgconfig
+, pythonSupport ? true, swig ? null, python}:
 
-let version = "3.3.0"; in
-stdenv.mkDerivation {
+stdenv.mkDerivation rec {
   name = "libnl-${version}";
+  version = "3.4.0";
 
   src = fetchFromGitHub {
     repo = "libnl";
     owner = "thom311";
     rev = "libnl${lib.replaceStrings ["."] ["_"] version}";
-    sha256 = "1796kyq2lkhz2802v9kp32vlxf8ynlyqgyw9nhmry3qh5d0ahcsv";
+    sha256 = "1bqf1f5glwf285sa98k5pkj9gg79lliixk1jk85j63v5510fbagp";
   };
 
-  outputs = [ "bin" "dev" "out" "man" ];
+  outputs = [ "bin" "dev" "out" "man" ] ++ lib.optional pythonSupport "py";
 
   patches = stdenv.lib.optional stdenv.hostPlatform.isMusl
     (fetchpatch {
@@ -21,7 +22,22 @@ stdenv.mkDerivation {
 
   enableParallelBuilding = true;
 
-  nativeBuildInputs = [ autoreconfHook bison flex pkgconfig ];
+  nativeBuildInputs = [ autoreconfHook bison flex pkgconfig file ]
+    ++ lib.optional pythonSupport swig;
+
+  postBuild = lib.optionalString (pythonSupport) ''
+      cd python
+      ${python}/bin/python setup.py install --prefix=../pythonlib
+      cd -
+  '';
+
+  postFixup = lib.optionalString pythonSupport ''
+    mv "pythonlib/" "$py"
+  '';
+
+  passthru = {
+    inherit pythonSupport;
+  };
 
   meta = with lib; {
     inherit version;

pkgs/top-level/python-packages.nix

@@ -6951,6 +6951,9 @@ in {
 
   pylru = callPackage ../development/python-modules/pylru { };
 
+  libnl-python = disabledIf isPy3k
+    (toPythonModule (pkgs.libnl.override{pythonSupport=true; inherit python; })).py;
+
   lark-parser = callPackage ../development/python-modules/lark-parser { };
 
   lazy-object-proxy = buildPythonPackage rec {