BREAK: remove setup.cfg support (#432)

src/compwa_policy/.github/workflows/requirements.yml

@@ -13,7 +13,6 @@ on:
     paths:
       - .constraints/py3.*.txt
       - .pre-commit-config.yaml
-      - setup.cfg
   schedule:
     - cron: "0 3 7 */2 *"
   workflow_dispatch:

src/compwa_policy/.template/.cspell.json

@@ -57,7 +57,6 @@
     "pyrightconfig.json",
     "pytest.ini",
     "requirements*.txt",
-    "setup.cfg",
     "setup.py",
     "tox.ini",
     "typings",

src/compwa_policy/check_dev_files/conda.py

@@ -13,8 +13,8 @@
 from compwa_policy.utilities.pyproject import (
     Pyproject,
     PythonVersion,
-    get_build_system,
     get_constraints_file,
+    has_pyproject_package_name,
 )
 from compwa_policy.utilities.yaml import create_prettier_round_trip_yaml
 
@@ -30,7 +30,7 @@ def main(python_version: PythonVersion, package_manager: PackageManagerChoice) -
 
 
 def update_conda_environment(python_version: PythonVersion) -> None:
-    if get_build_system() is None:
+    if not has_pyproject_package_name():
         return
     yaml = create_prettier_round_trip_yaml()
     updated = False

src/compwa_policy/check_dev_files/github_labels.py

@@ -11,7 +11,6 @@
 from pathlib import Path
 
 from compwa_policy.errors import PrecommitError
-from compwa_policy.utilities import CONFIG_PATH
 from compwa_policy.utilities.match import filter_files
 
 __LABELS_CONFIG_FILE = "labels.toml"
@@ -56,7 +55,6 @@ def _get_requirement_files() -> list[Path]:
     patterns = [
         "**/requirements*.in",
         "**/requirements*.txt",
-        str(CONFIG_PATH.setup_cfg),
     ]
     filenames = filter_files(patterns)
     return [Path(file) for file in filenames]

src/compwa_policy/check_dev_files/github_workflows.py

@@ -18,7 +18,11 @@
     write,
 )
 from compwa_policy.utilities.executor import Executor
-from compwa_policy.utilities.pyproject import Pyproject, PythonVersion, get_build_system
+from compwa_policy.utilities.pyproject import (
+    Pyproject,
+    PythonVersion,
+    has_pyproject_package_name,
+)
 from compwa_policy.utilities.yaml import create_prettier_round_trip_yaml
 
 if TYPE_CHECKING:
@@ -70,7 +74,7 @@ def update() -> None:
         workflow_path = CONFIG_PATH.github_workflow_dir / "cd.yml"
         expected_data = yaml.load(COMPWA_POLICY_DIR / workflow_path)
         banned_jobs = set()
-        if no_pypi or get_build_system() is None:
+        if no_pypi or not has_pyproject_package_name():
             banned_jobs.add("package-name")
             banned_jobs.add("pypi")
         if no_version_branches:

src/compwa_policy/check_dev_files/jupyter.py

@@ -1,14 +1,17 @@
 """Update the developer setup when using Jupyter notebooks."""
 
-from compwa_policy.utilities.pyproject import ModifiablePyproject, get_build_system
+from compwa_policy.utilities.pyproject import (
+    ModifiablePyproject,
+    has_pyproject_package_name,
+)
 
 
 def main(no_ruff: bool) -> None:
     _update_dev_requirements(no_ruff)
 
 
 def _update_dev_requirements(no_ruff: bool) -> None:
-    if get_build_system() is None:
+    if not has_pyproject_package_name():
         return
     with ModifiablePyproject.load() as pyproject:
         supported_python_versions = pyproject.get_supported_python_versions()

src/compwa_policy/check_dev_files/ruff.py

@@ -16,7 +16,7 @@
     ModifiablePyproject,
     Pyproject,
     complies_with_subset,
-    get_build_system,
+    has_pyproject_package_name,
 )
 from compwa_policy.utilities.readme import add_badge, remove_badge
 from compwa_policy.utilities.toml import to_toml_array
@@ -624,7 +624,7 @@ def __add_nbqa_isort_pre_commit(precommit: ModifiablePrecommit) -> None:
 
 
 def _update_lint_dependencies(pyproject: ModifiablePyproject) -> None:
-    if get_build_system() is None:
+    if not has_pyproject_package_name():
         return
     python_versions = pyproject.get_supported_python_versions()
     if "3.6" in python_versions:

src/compwa_policy/utilities/__init__.py

@@ -38,7 +38,6 @@ class _ConfigFilePaths(NamedTuple):
     readthedocs: Path = Path(".readthedocs.yml")
     release_drafter_config: Path = Path(".github/release-drafter.yml")
     release_drafter_workflow: Path = Path(".github/workflows/release-drafter.yml")
-    setup_cfg: Path = Path("setup.cfg")
     taplo: Path = Path(".taplo.toml")
     tox: Path = Path("tox.ini")
     vscode_extensions: Path = Path(".vscode/extensions.json")

src/compwa_policy/utilities/pyproject/__init__.py

@@ -16,7 +16,6 @@
 
 from compwa_policy.errors import PrecommitError
 from compwa_policy.utilities import CONFIG_PATH
-from compwa_policy.utilities.cfg import open_config
 from compwa_policy.utilities.pyproject.getters import (
     PythonVersion,
     get_package_name,
@@ -265,15 +264,11 @@ def _complies_minimally(obj: Any, other: Any) -> bool:
     return obj == other
 
 
-def get_build_system() -> Literal["pyproject", "setup.cfg"] | None:
-    if _has_setup_cfg_build_system():
-        return "setup.cfg"
+def has_pyproject_package_name() -> bool:
     if not CONFIG_PATH.pyproject.exists():
-        return None
+        return False
     pyproject = Pyproject.load()
-    if pyproject.get_package_name() is None:
-        return None
-    return "pyproject"
+    return pyproject.get_package_name() is not None
 
 
 def get_constraints_file(python_version: PythonVersion) -> Path | None:
@@ -283,13 +278,6 @@ def get_constraints_file(python_version: PythonVersion) -> Path | None:
     return None
 
 
-def _has_setup_cfg_build_system() -> bool:
-    if not CONFIG_PATH.setup_cfg.exists():
-        return False
-    cfg = open_config(CONFIG_PATH.setup_cfg)
-    return cfg.has_section("metadata")
-
-
 def load_pyproject_toml(source: IO | Path | str, modifiable: bool) -> PyprojectTOML:
     """Load a :code:`pyproject.toml` file from a file, I/O stream, or `str`.