add formatter for python

Author: Mic92

pyproject.toml

@@ -12,7 +12,7 @@ scripts = { nixos-anywhere-pxe = "nixos_anywhere_pxe:main"}
 addopts = "--cov . --cov-report term --cov-fail-under=100 --no-cov-on-fail"
 
 [tool.mypy]
-python_version = "3.10"
+python_version = "3.12"
 warn_redundant_casts = true
 disallow_untyped_calls = true
 disallow_untyped_defs = true
@@ -29,8 +29,51 @@ ignore_missing_imports = true
 [tool.ruff]
 line-length = 88
 
-select = ["E", "F", "I"]
-ignore = [ "E501" ]
+lint.select = ["ALL"]
+lint.ignore = [
+  # pydocstyle
+  "D",
+  # todo comments
+  "TD",
+  # fixmes
+  "FIX",
+  # line length
+  "E501",
+  "T201",    # `print` found
+  "PLR2004", # Magic value used in comparison
+  # Too many statements
+  "PLR0915",
+  # Too many arguments in function definition
+  "PLR0913",
+  "PLR0912", # Too many branches
+  # $X is too complex
+  "C901",
+  # Unused function argument
+  "ARG001",
+
+  # Dynamically typed expressions (typing.Any)
+  "ANN401",
+  # Trailing comma missing
+  "COM812",
+  # Unnecessary `dict` call (rewrite as a literal)
+  "C408",
+  # Found commented-out code
+  "ERA001",
+  # Boolean-typed positional argument in function definition
+  "FBT001",
+  # Logging statement uses f-string
+  "G004",
+  # disabled on ruff's recommendation as causes problems with the formatter
+  "ISC001",
+  # Use of `assert` detected
+  "S101",
+  # `subprocess` call: check for execution of untrusted input
+  "S603",
+  # Starting a process with a partial executable path
+  "S607",
+  # Boolean default positional argument in function definition
+  "FBT002",
+]
 
 [tool.black]
 line-length = 88

treefmt/flake-module.nix

@@ -2,14 +2,16 @@
   imports = [
     inputs.treefmt-nix.flakeModule
   ];
-  perSystem = { config, pkgs, ... }: {
+  perSystem = { config, lib, pkgs, ... }: {
     treefmt = {
       projectRootFile = "flake.nix";
       programs.mdsh.enable = true;
       programs.nixpkgs-fmt.enable = true;
       programs.shellcheck.enable = true;
       programs.shfmt.enable = true;
       programs.deno.enable = !pkgs.deno.meta.broken;
+      programs.ruff.format = true;
+      programs.ruff.check = true;
       settings.formatter.shellcheck.options = [ "-s" "bash" ];
     };
     formatter = config.treefmt.build.wrapper;