update setuptools and use stricter linting

TODO_package_name/__init__.py

@@ -1,16 +1,26 @@
 """Module-wide constants for `TODO_package_name`."""
 # ruff: noqa: N999
-import TODO_package_name
 import os
+from pathlib import Path
+
+import TODO_package_name
 
 __version__ = "0.0.1"
 
 # Module-wide path constants as in
 # https://stackoverflow.com/a/59597733.
+
 __package_path = os.path.split(TODO_package_name.__path__[0])[0]
-DATA_DIR = os.path.join(__package_path, "data")
-TMP_DIR = os.path.join("/tmp", "TODO_package_name")
-os.makedirs(TMP_DIR, exist_ok=True)
+DATA_DIR = Path(__package_path, "data")
+# TODO(eringrant): Rethink tmpdir.
+TMP_DIR = Path("/tmp", "TODO_package_name")  # noqa: S108
+Path.mkdir(TMP_DIR, parents=True, exist_ok=True)
+
+scratch_home = os.environ.get("SCRATCH_HOME")
+SCRATCH_DIR = (
+  Path(scratch_home, "TODO_package_name") if scratch_home is not None else TMP_DIR
+)
+Path.mkdir(SCRATCH_DIR, parents=True, exist_ok=True)
 
 del TODO_package_name
 del os

pyproject.toml

@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools>=42"]
+requires = ["setuptools>=61.0"]
 build-backend = "setuptools.build_meta"
 
 [tool.black]
@@ -24,8 +24,22 @@ exclude = '''
 target-version = 'py311'
 
 # Rule sets.
-select = ["D", "E", "F", "N", "UP"]
-ignore = []
+select = ["ALL"]
+ignore = [
+  # Allow `TODO`s.
+  "TD003",
+  "FIX002",
+  # Allow many argument parameters.
+  "PLR0913",
+  # Allow long functions.
+  "PLR0915",
+  # Allow magic values.
+  "PLR2004",
+  # Allow `typing.Any`.
+  "ANN401",
+  # Allow f-strings in `logging`.
+  "G004",
+]
 
 # Allow autofix for all enabled rules (when `--fix`) is provided.
 fixable = ["ALL"]