glcontext: init at 2.3.3 and add as moderngl dep

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

@@ -0,0 +1,49 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, isPy3k
+, libGL
+, libX11
+, pytestCheckHook
+, psutil
+}:
+
+buildPythonPackage rec {
+  pname = "glcontext";
+  version = "2.3.3";
+
+  src = fetchFromGitHub {
+    owner = "moderngl";
+    repo = pname;
+    rev = version;
+    sha256 = "16kwrfjijn9bnb48rk17wapmhxq6g9s59zczh65imyncb9k82wkc";
+  };
+
+  disabled = !isPy3k;
+
+  buildInputs = [ libGL libX11 ];
+
+  postPatch = ''
+    substituteInPlace glcontext/x11.cpp \
+      --replace '"libGL.so"' '"${libGL}/lib/libGL.so"' \
+      --replace '"libX11.so"' '"${libX11}/lib/libX11.so"'
+    substituteInPlace glcontext/egl.cpp \
+      --replace '"libGL.so"' '"${libGL}/lib/libGL.so"' \
+      --replace '"libEGL.so"' '"${libGL}/lib/libEGL.so"'
+  '';
+
+  # Tests fail because they try to open display. See
+  # https://github.com/NixOS/nixpkgs/pull/121439
+  # for details.
+  doCheck = false;
+
+  pythonImportsCheck = [ "glcontext" ];
+
+  meta = with lib; {
+    homepage = "https://github.com/moderngl/glcontext";
+    description = "OpenGL implementation for ModernGL";
+    license = licenses.mit;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ friedelino ];
+  };
+}

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

@@ -4,6 +4,7 @@
 , isPy3k
 , libGL
 , libX11
+, glcontext
 }:
 
 buildPythonPackage rec {
@@ -17,7 +18,7 @@ buildPythonPackage rec {
 
   disabled = !isPy3k;
 
-  buildInputs = [ libGL libX11 ];
+  buildInputs = [ libGL libX11 glcontext ];
 
   # Tests need a display to run.
   doCheck = false;

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

@@ -7,6 +7,7 @@
 , pyglet
 , pillow
 , pyrr
+, glcontext
 }:
 
 buildPythonPackage rec {
@@ -20,7 +21,7 @@ buildPythonPackage rec {
     sha256 = "1p03j91pk2bwycd13p0qi8kns1sf357180hd2mkaip8mfaf33x3q";
   };
 
-  propagatedBuildInputs = [ numpy moderngl pyglet pillow pyrr ];
+  propagatedBuildInputs = [ numpy moderngl pyglet pillow pyrr glcontext ];
 
   disabled = !isPy3k;
 

pkgs/top-level/python-packages.nix

@@ -2725,6 +2725,8 @@ in {
 
   glasgow = callPackage ../development/python-modules/glasgow { };
 
+  glcontext = callPackage ../development/python-modules/glcontext { };
+
   glob2 = callPackage ../development/python-modules/glob2 { };
 
   globre = callPackage ../development/python-modules/globre { };