restructure everything

python/nixpkgs/flake.lock

@@ -1,43 +0,0 @@
-{
-  "nodes": {
-    "nixpkgs": {
-      "locked": {
-        "lastModified": 1763618868,
-        "narHash": "sha256-v5afmLjn/uyD9EQuPBn7nZuaZVV9r+JerayK/4wvdWA=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "a8d610af3f1a5fb71e23e08434d8d61a466fc942",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixpkgs-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "root": {
-      "inputs": {
-        "nixpkgs": "nixpkgs",
-        "systems": "systems"
-      }
-    },
-    "systems": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
-    }
-  },
-  "root": "root",
-  "version": 7
-}

python/nixpkgs/package.nix

@@ -1,13 +0,0 @@
-{ python3
-}:
-
-python3.pkgs.buildPythonApplication {
-  pname = "hello";
-  version = "0.1";
-  src = ./.;
-
-  pyproject = true;
-  build-system = [ python3.pkgs.setuptools ];
-
-  doCheck = false;
-}

python/pyproject/nixpkgs/cli/package.nix

@@ -0,0 +1,20 @@
+{ python3
+}:
+
+python3.pkgs.buildPythonApplication {
+  pname = "hello";
+  version = "0.1";
+  src = ./.;
+
+  pyproject = true;
+  build-system = with python3.pkgs; [
+    # build-system.{requires,setup_requires}
+    setuptools
+  ];
+
+  dependencies = [
+    # Python package dependencies
+  ];
+
+  doCheck = false;
+}