added flake

flake.nix

@@ -0,0 +1,40 @@
+{
+  description = "A Nix flake to run a Python script with exiftool";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+    utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs =
+    {
+      self,
+      nixpkgs,
+      utils,
+    }:
+    utils.lib.eachDefaultSystem (
+      system:
+      let
+        pkgs = import nixpkgs { inherit system; };
+
+        # 1. Define Python with the required pyexiftool library
+        myPython = pkgs.python3.withPackages (ps: [
+          ps.pyexiftool
+        ]);
+
+        # 2. Create a wrapper script that runs your python file with the correct PATH
+        runScript = pkgs.writeShellScriptBin "run-python-script" ''
+          export PATH="${pkgs.exiftool}/bin:$PATH"
+          exec ${myPython}/bin/python ./translate.py "$@"
+        '';
+      in
+      {
+        # This allows you to run: nix run
+        apps.default = {
+          type = "app";
+          program = "${runScript}/bin/run-python-script";
+        };
+
+      }
+    );
+}