initial work for elpv and subter datasets

elpv as example dataset/implementation
subter with final dataset

Deep-SAD-PyTorch/flake.nix

@@ -0,0 +1,49 @@
+{
+  description = "Deepsad devenv with python 3.11";
+
+  inputs = {
+    flake-utils.url = "github:numtide/flake-utils";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable-small";
+    poetry2nix = {
+      url = "github:nix-community/poetry2nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+
+  outputs = { self, nixpkgs, flake-utils, poetry2nix }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        # see https://github.com/nix-community/poetry2nix/tree/master#api for more functions and examples.
+        pkgs = import nixpkgs{
+	  inherit system;
+	  config.allowUnfree = true;
+	  config.cudaSupport = true;
+	};
+        inherit (poetry2nix.lib.mkPoetry2Nix { inherit pkgs; }) mkPoetryApplication;
+      in
+      {
+        packages = {
+          deepsad = mkPoetryApplication { 
+	    projectDir = self; 
+	    preferWheels = true; 
+	    python = pkgs.python311;
+          };
+          default = self.packages.${system}.deepsad;
+        };
+
+        devShells.default = pkgs.mkShell {
+          inputsFrom = [ self.packages.${system}.deepsad ];
+	  buildInputs = with pkgs.python311Packages; [
+	    torch-bin
+	    torchvision-bin
+	  ];
+	  #LD_LIBRARY_PATH = with pkgs; lib.makeLibraryPath [ 
+	    #pkgs.stdenv.cc.cc
+	  #];
+        };
+
+        devShells.poetry = pkgs.mkShell {
+          packages = [ pkgs.poetry pkgs.python311 ];
+        };
+      });
+}