clan-cli: initialize python project from template

clan-cli: remove unnecessary unit test file

clan-cli: fix shell.nix too stateful

clan-cli: remove conftest.py

clan-cli: fix flake-module.nix

pkgs/clan-cli/default.nix

@@ -1,10 +1,62 @@
-{ symlinkJoin
-, writers
-}:
-symlinkJoin {
-  name = "clan";
-  paths = [
-    (writers.writePython3Bin "clan" { } ./clan.py)
-    (writers.writePython3Bin "clan-admin" { flakeIgnore = [ "E501" ]; } ./clan-admin.py)
-  ];
-}
+{
+  pkgs ? import <nixpkgs> {},
+
+  lib ? pkgs.lib,
+  python3 ? pkgs.python3,
+  ruff ? pkgs.ruff,
+  runCommand ? pkgs.runCommand,
+}: let
+  pyproject = builtins.fromTOML (builtins.readFile ./pyproject.toml);
+  name = pyproject.project.name;
+
+  src = lib.cleanSource ./.;
+
+  dependencies = lib.attrValues {
+    # inherit (python3.pkgs)
+    #   some-package
+    #   ;
+  };
+
+  devDependencies = lib.attrValues {
+    inherit (pkgs) ruff;
+    inherit (python3.pkgs)
+      black
+      mypy
+      pytest
+      pytest-cov
+      setuptools
+      wheel
+      ;
+  };
+
+  package = python3.pkgs.buildPythonPackage {
+    inherit name src;
+    format = "pyproject";
+    nativeBuildInputs = [
+      python3.pkgs.setuptools
+    ];
+    propagatedBuildInputs =
+      dependencies
+      ++ [ ];
+    passthru.tests = { inherit check; };
+    passthru.devDependencies = devDependencies;
+  };
+
+  checkPython = python3.withPackages (ps: devDependencies);
+
+  check = runCommand "${name}-check" { } ''
+    cp -r ${src} ./src
+    chmod +w -R ./src
+    cd src
+    export PYTHONPATH=.
+    echo -e "\x1b[32m## run ruff\x1b[0m"
+    ${ruff}/bin/ruff check .
+    echo -e "\x1b[32m## run mypy\x1b[0m"
+    ${checkPython}/bin/mypy .
+    echo -e "\x1b[32m## run pytest\x1b[0m"
+    ${checkPython}/bin/pytest
+    touch $out
+  '';
+
+in
+package