initial commit

.gitignore

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+/.venv

flake.lock

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+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1742889210,
+        "narHash": "sha256-hw63HnwnqU3ZQfsMclLhMvOezpM7RSB0dMAtD5/sOiw=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "698214a32beb4f4c8e3942372c694f40848b360d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs",
+        "systems": "systems"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1689347949,
+        "narHash": "sha256-12tWmuL2zgBgZkdoB6qXZsgJEH9LR3oUgpaQq2RbI80=",
+        "owner": "nix-systems",
+        "repo": "default-linux",
+        "rev": "31732fcf5e8fea42e59c2488ad31a0e651500f68",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default-linux",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

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+{
+  description = "kathara venv";
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    systems.url = "github:nix-systems/default-linux";
+  };
+
+  outputs = inputs: let
+    eachSystem = inputs.nixpkgs.lib.genAttrs (import inputs.systems);
+    pkgsFor = inputs.nixpkgs.legacyPackages;
+  in {
+    devShells = eachSystem (system: {
+      default = pkgsFor.${system}.callPackage ./shell.nix {};
+    });
+  };
+}

shell.nix

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+{
+  mkShell,
+  python3Packages,
+}: let
+  inherit (python3Packages) python venvShellHook;
+in
+  mkShell {
+    name = "impurePythonEnv";
+    venvDir = "./.venv";
+    buildInputs = [
+      python
+
+      venvShellHook
+    ];
+
+    # Run this command, only after creating the virtual environment
+    postVenvCreation = ''
+      unset SOURCE_DATE_EPOCH
+      pip install kathara
+    '';
+
+    # Now we can execute any commands within the virtual environment.
+    # This is optional and can be left out to run pip manually.
+    postShellHook = ''
+      # allow pip to install wheels
+      unset SOURCE_DATE_EPOCH
+    '';
+  }