playonlinux: making it work at runtime (#112093)

playonlinux: GSettings schemas necessary to avoid crash on file dialog
playonlinux: adding steam-run to exec downloaded wine

Co-authored-by: Sandro <sandro.jaeckel@gmail.com>

pkgs/applications/misc/playonlinux/0001-fix-locale.patch

@@ -0,0 +1,17 @@
+diff --git a/python/lib/lng.py b/python/lib/lng.py
+index a390d920..00c3527e 100755
+--- a/python/lib/lng.py
++++ b/python/lib/lng.py
+@@ -12,11 +12,7 @@ class Lang(object):
+ 
+ class iLang(object):
+     def __init__(self):
+-        if(os.environ["DEBIAN_PACKAGE"] == "TRUE"):
+-            languages = os.listdir('/usr/share/locale')
+-        else:
+-            languages = os.listdir(Variables.playonlinux_env+'/lang/locale')
+-
++        languages = os.listdir('@out@/share/playonlinux/lang/locale')
+         if(os.environ["POL_OS"] == "Mac"):
+             wxLocale = wx.Locale().FindLanguageInfo(os.environ["RLANG"])
+ 

pkgs/applications/misc/playonlinux/default.nix

@@ -9,7 +9,7 @@
 , imagemagick
 , netcat-gnu
 , p7zip
-, python2
+, python3
 , unzip
 , wget
 , wine
@@ -22,6 +22,9 @@
 , jq
 , xorg
 , libGL
+, steam-run-native
+# needed for avoiding crash on file selector
+, gsettings-desktop-schemas
 }:
 
 let
@@ -54,9 +57,10 @@ let
   ld64 = "${stdenv.cc}/nix-support/dynamic-linker";
   libs = pkgs: lib.makeLibraryPath [ xorg.libX11 libGL ];
 
-  python = python2.withPackages(ps: with ps; [
+  python = python3.withPackages(ps: with ps; [
-    wxPython
+    wxPython_4_1
     setuptools
+    natsort
   ]);
 
 in stdenv.mkDerivation {
@@ -68,8 +72,16 @@ in stdenv.mkDerivation {
     sha256 = "0n40927c8cnjackfns68zwl7h4d7dvhf7cyqdkazzwwx4k2xxvma";
   };
 
+  patches = [
+    ./0001-fix-locale.patch
+  ];
+
   nativeBuildInputs = [ makeWrapper ];
 
+  preBuild = ''
+    makeFlagsArray+=(PYTHON="python -m py_compile")
+  '';
+
   buildInputs = [
     xorg.libX11
     libGL
@@ -77,6 +89,7 @@ in stdenv.mkDerivation {
   ];
 
   postPatch = ''
+    substituteAllInPlace python/lib/lng.py
     patchShebangs python tests/python
     sed -i "s/ %F//g" etc/PlayOnLinux.desktop
   '';
@@ -87,8 +100,16 @@ in stdenv.mkDerivation {
 
     install -D -m644 etc/PlayOnLinux.desktop $out/share/applications/playonlinux.desktop
 
-    makeWrapper $out/share/playonlinux/playonlinux $out/bin/playonlinux \
+    makeWrapper $out/share/playonlinux/playonlinux{,-wrapper} \
-      --prefix PATH : ${binpath}
+      --prefix PATH : ${binpath} \
+      --prefix XDG_DATA_DIRS : ${gsettings-desktop-schemas}/share/GConf
+    # steam-run is needed to run the downloaded wine executables
+    mkdir -p $out/bin
+    cat > $out/bin/playonlinux <<EOF
+    #!${stdenv.shell} -e
+    exec ${steam-run-native}/bin/steam-run $out/share/playonlinux/playonlinux-wrapper "\$@"
+    EOF
+    chmod a+x $out/bin/playonlinux
 
     bunzip2 $out/share/playonlinux/bin/check_dd_x86.bz2
     patchelf --set-interpreter $(cat ${ld32}) --set-rpath ${libs pkgsi686Linux} $out/share/playonlinux/bin/check_dd_x86
@@ -107,7 +128,7 @@ in stdenv.mkDerivation {
     description = "GUI for managing Windows programs under linux";
     homepage = "https://www.playonlinux.com/";
     license = licenses.gpl3;
-    maintainers = [ maintainers.a1russell ];
+    maintainers = [ maintainers.pasqui23 ];
     platforms = [ "x86_64-linux" "i686-linux" ];
   };
 }