BREAK: remove setup.cfg support (#312)

.editorconfig

@@ -15,6 +15,3 @@ indent_size = 4
 
 [LICENSE]
 indent_size = unset
-
-[setup.cfg]
-indent_size = 4

.pre-commit-hooks.yaml

@@ -19,12 +19,6 @@
   types:
     - jupyter
 
-- id: format-setup-cfg
-  name: Format setup.cfg
-  entry: format-setup-cfg
-  language: python
-  files: ^setup.cfg$
-
 - id: set-nb-cells
   name: Add or update default cells in a Jupyter notebook
   description: >

docs/index.md

@@ -36,7 +36,6 @@ The **ComPWA/policy** repository provides the following hooks:
 - [`check-dev-files`](./check-dev-files.md)
 - {mod}`colab-toc-visible <.colab_toc_visible>`
 - {mod}`fix-nbformat-version <.fix_nbformat_version>`
-- {mod}`format-setup-cfg <.format_setup_cfg>`
 - {mod}`set-nb-cells <.set_nb_cells>`
 
 ```{toctree}

pyproject.toml

@@ -86,7 +86,6 @@ file = "README.md"
 check-dev-files = "compwa_policy.check_dev_files:main"
 colab-toc-visible = "compwa_policy.colab_toc_visible:main"
 fix-nbformat-version = "compwa_policy.fix_nbformat_version:main"
-format-setup-cfg = "compwa_policy.format_setup_cfg:main"
 self-check = "compwa_policy.self_check:main"
 set-nb-cells = "compwa_policy.set_nb_cells:main"
 

src/compwa_policy/check_dev_files/__init__.py

@@ -32,7 +32,6 @@
     readthedocs,
     release_drafter,
     ruff,
-    setup_cfg,
     toml,
     tox,
     update_pip_constraints,
@@ -96,7 +95,6 @@ def main(argv: Sequence[str] | None = None) -> int:
         executor(pyupgrade.main, args.no_ruff)
         if not args.no_ruff:
             executor(ruff.main, has_notebooks)
-        executor(setup_cfg.main, args.ignore_author)
     if args.pin_requirements != "no":
         executor(
             update_pip_constraints.main,
@@ -167,12 +165,6 @@ def _create_argparse() -> ArgumentParser:
         action="store_true",
         default=False,
     )
-    parser.add_argument(
-        "--ignore-author",
-        action="store_true",
-        default=False,
-        help="Do not update author info in setup.cfg.",
-    )
     parser.add_argument(
         "--no-cspell-update",
         action="store_true",

src/compwa_policy/check_dev_files/github_workflows.py

@@ -19,7 +19,11 @@
 )
 from compwa_policy.utilities.executor import Executor
 from compwa_policy.utilities.precommit import load_precommit_config
-from compwa_policy.utilities.project_info import PythonVersion, get_pypi_name
+from compwa_policy.utilities.project_info import (
+    PythonVersion,
+    get_build_system,
+    get_pypi_name,
+)
 from compwa_policy.utilities.yaml import create_prettier_round_trip_yaml
 
 if TYPE_CHECKING:
@@ -67,7 +71,7 @@ def update() -> None:
         yaml = create_prettier_round_trip_yaml()
         workflow_path = CONFIG_PATH.github_workflow_dir / "cd.yml"
         expected_data = yaml.load(COMPWA_POLICY_DIR / workflow_path)
-        if no_pypi or not CONFIG_PATH.setup_cfg.exists():
+        if no_pypi or get_build_system() is None:
             del expected_data["jobs"]["pypi"]
         if no_version_branches:
             del expected_data["jobs"]["push"]

src/compwa_policy/check_dev_files/ruff.py

@@ -3,16 +3,11 @@
 from __future__ import annotations
 
 import os
-from textwrap import dedent
 from typing import TYPE_CHECKING, Iterable
 
 from ruamel.yaml import YAML
 from tomlkit.items import Array, Table
 
-from compwa_policy.check_dev_files.setup_cfg import (
-    has_pyproject_build_system,
-    has_setup_cfg_build_system,
-)
 from compwa_policy.errors import PrecommitError
 from compwa_policy.utilities import CONFIG_PATH, natural_sorting, remove_configs, vscode
 from compwa_policy.utilities.executor import Executor
@@ -23,9 +18,9 @@
     update_single_hook_precommit_repo,
 )
 from compwa_policy.utilities.project_info import (
+    get_build_system,
     get_project_info,
     get_supported_python_versions,
-    open_setup_cfg,
 )
 from compwa_policy.utilities.pyproject import (
     add_dependency,
@@ -47,7 +42,6 @@ def main(has_notebooks: bool) -> None:
         add_badge,
         "[![Ruff](https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/charliermarsh/ruff/main/assets/badge/v2.json)](https://github.com/astral-sh/ruff)",
     )
-    executor(_check_setup_cfg)
     executor(___uninstall, "radon")
     executor(_remove_black)
     executor(_remove_flake8)
@@ -62,38 +56,6 @@ def main(has_notebooks: bool) -> None:
     executor.finalize()
 
 
-def _check_setup_cfg() -> None:
-    if not has_setup_cfg_build_system():
-        return
-    cfg = open_setup_cfg()
-    extras_require = "options.extras_require"
-    if not cfg.has_section(extras_require):
-        msg = f"Please list ruff under a section [{extras_require}] in setup.cfg"
-        raise PrecommitError(msg)
-    msg = f"""\
-        Section [{extras_require}] in setup.cfg should look like this:
-
-        [{extras_require}]
-        ...
-        sty =
-            ...
-            ruff
-            ...
-        dev =
-            ...
-            %(sty)s
-            ...
-    """
-    msg = dedent(msg).strip()
-    for section in ("dev", "sty"):
-        if cfg.has_option(extras_require, section):
-            continue
-        raise PrecommitError(msg)
-    lint_section = cfg.get(extras_require, "sty")
-    if not any("ruff" in line for line in lint_section.split("\n")):
-        raise PrecommitError(msg)
-
-
 def _remove_black() -> None:
     executor = Executor()
     executor(
@@ -190,27 +152,9 @@ def _remove_pylint() -> None:
 
 def ___uninstall(package: str, ignore: Iterable[str] | None = None) -> None:
     ignored_sections = set() if ignore is None else set(ignore)
-    ___uninstall_from_setup_cfg(package, ignored_sections)
     ___uninstall_from_pyproject_toml(package, ignored_sections)
 
 
-def ___uninstall_from_setup_cfg(package: str, ignored_sections: set[str]) -> None:
-    if not os.path.exists(CONFIG_PATH.setup_cfg):
-        return
-    cfg = open_setup_cfg()
-    section = "options.extras_require"
-    if not cfg.has_section(section):
-        return
-    extras_require = cfg[section]
-    for option in extras_require:
-        if option in ignored_sections:
-            continue
-        if package not in cfg.get(section, option, raw=True):
-            continue
-        msg = f'Please remove {package} from the "{section}" section of setup.cfg'
-        raise PrecommitError(msg)
-
-
 def ___uninstall_from_pyproject_toml(package: str, ignored_sections: set[str]) -> None:  # noqa: C901
     if not os.path.exists(CONFIG_PATH.pyproject):
         return
@@ -622,7 +566,7 @@ def _update_precommit_hook(has_notebooks: bool) -> None:
 
 
 def _update_lint_dependencies() -> None:
-    if not has_pyproject_build_system():
+    if get_build_system() is None:
         return
     pyproject = load_pyproject()
     project_info = get_project_info(pyproject)