Structural changes

programs/art.nix

@@ -0,0 +1,90 @@
+{ lib, config, pkgs, ... }: let
+  py3 = pkgs.python3;
+  py3Pkgs = py3.pkgs;
+  equation = py3Pkgs.buildPythonPackage {
+    pname = "Equation";
+    version = "1.2.01";
+    nativeBuildInputs = [
+      py3Pkgs.setuptools
+      py3Pkgs.numpy
+    ];
+    src = pkgs.fetchzip {
+      url = "https://files.pythonhosted.org/packages/2e/cc/115fb1722051f99b9699864586e7f96ca0080645387698af922fade4f7b2/Equation-1.2.01.zip";
+      sha256 = "YFxZB3vaC5s49K1AQLFF4WGUr2RpomJTLQdZ24ITXr4=";
+    };
+  };
+  morphio = py3.pkgs.toPythonModule ( pkgs.stdenv.mkDerivation rec {
+    pname = "MorphIO";
+    version = "3.3.4";
+    nativeBuildInputs = (with pkgs; [
+      cmake
+      ninja
+      py3
+      py3.pkgs.numpy
+      hdf5
+    ]);
+    cmakeFlags = [
+      "-DMorphIO_CXX_WARNINGS=OFF"
+    ];
+    postInstall = ''
+      mkdir -p $out/${py3.sitePackages}
+      mv ../morphio $out/${py3.sitePackages}
+      cp binds/python/_morphio.* $out/${py3.sitePackages}/morphio/
+    '';
+    src = pkgs.fetchFromGitHub {
+      owner = "BlueBrain";
+      repo = "MorphIO";
+      rev = "v${version}";
+      deepClone = true;
+      fetchSubmodules = true;
+      sha256 = "C3zDziG7LF7v22ZvplBrtOYq7iKGnAavfpiBCcShHaQ=";
+    };
+  });
+in {
+  nixpkgs.overlays = [(self: super: rec {
+    # Add CUDA Support to Blender
+    blender_cuda = super.blender.override {
+      cudaSupport = true;
+    };
+    # Add Opencamlib for BlenderCAM Support
+    blender = blender_cuda.overrideAttrs (old: {
+      pythonPath = old.pythonPath ++ (with py3Pkgs; [
+        # OpenCAMLib support
+        shapely
+        equation
+        opencamlib
+        # NeuroMorphoVis support
+        matplotlib
+        seaborn
+        pandas
+        pillow
+        h5py
+        morphio
+        # TODO add BluePy support?
+      ]);
+    });
+    # Update RX and Aseprite
+    rx = super.rx.overrideAttrs (old: {
+      version = "git";
+      src = super.fetchFromGitHub {
+        owner = "cloudhead";
+        repo = old.pname;
+        rev = "18625a68921873ebe21a7ea8096409a9f0314541";
+        sha256 = "sha256-LTpaV/fgYUgA2M6Wz5qLHnTNywh13900g+umhgLvciM=";
+      };
+    });
+  })];
+
+  environment.systemPackages = with pkgs; [
+    blender
+    # GTK theme support (basic) for GTK apps e.g. inkscape
+    gnome.adwaita-icon-theme
+
+    rx
+    aseprite-unfree
+    gimp
+    
+    synfigstudio
+    inkscape-with-extensions
+  ];
+}