FEAT: remove Pixi configuration if not listed in --package-managers (…

…#377)

* ENH: automatically remove `pixi` settings in VSCode
* MAINT: expose `append_safe()` and `contains_line()` functions

docs/conf.py

@@ -26,6 +26,10 @@
     "P.args": ("attr", "typing.ParamSpec.args"),
     "P.kwargs": ("attr", "typing.ParamSpec.kwargs"),
     "P": "typing.ParamSpec",
+    "PackageManagerChoice": (
+        "obj",
+        "compwa_policy.check_dev_files.conda.PackageManagerChoice",
+    ),
     "Path": "pathlib.Path",
     "ProjectURLs": "list",
     "PyprojectTOML": "dict",

src/compwa_policy/check_dev_files/__init__.py

@@ -85,7 +85,13 @@ def main(argv: Sequence[str] | None = None) -> int:
         if has_notebooks:
             do(jupyter.main, args.no_ruff)
         do(nbstripout.main, precommit_config, _to_list(args.allowed_cell_metadata))
-        do(pixi.main, is_python_repo, dev_python_version, args.outsource_pixi_to_tox)
+        do(
+            pixi.main,
+            package_managers,
+            is_python_repo,
+            dev_python_version,
+            args.outsource_pixi_to_tox,
+        )
         do(direnv.main)
         do(toml.main, precommit_config)  # has to run before pre-commit
         do(prettier.main, precommit_config, args.no_prettierrc)

src/compwa_policy/check_dev_files/conda.py

@@ -24,6 +24,7 @@
     from typing_extensions import Literal
 
 PackageManagerChoice = Literal["conda", "pixi", "uv", "venv"]
+"""Package managers you want to develop the project with."""
 
 
 def main(