fix: make README discovery case-insensitive without Path.glob case_sensitive

src/damply/utils/find_readme.py

@@ -12,15 +12,21 @@
 
 
 def find_readme(directory: Path) -> Path | None:
-	"""Find any README file in the given directory or its 'docs' subdirectory."""
-
-	readmes = [
-		f for f in directory.glob('readme*', case_sensitive=False) if f.is_file()
-	] + [
-		f
-		for f in (directory / 'docs').glob('readme*', case_sensitive=False)
-		if f.is_file()
-	]
+	"""Find any README file in the given directory or its 'docs' subdirectory.
+
+	This implementation avoids relying on ``Path.glob(case_sensitive=...)`` which
+	may not be available in all supported Python versions. Instead, it performs a
+	case-insensitive check on filenames.
+	"""
+
+	def _collect(dir_path: Path) -> list[Path]:
+		if not dir_path.exists() or not dir_path.is_dir():
+			return []
+		return [
+			p for p in dir_path.iterdir() if p.is_file() and p.name.lower().startswith('readme')
+		]
+
+	readmes = _collect(directory) + _collect(directory / 'docs')
 
 	if not readmes:
 		return None

tests/test_find_readme.py

@@ -0,0 +1,31 @@
+from pathlib import Path
+
+from damply.utils.find_readme import find_readme
+
+
+def test_find_readme_in_root_case_insensitive(tmp_path: Path) -> None:
+	# Create a mixed-case README in root
+	readme = tmp_path / "ReAdMe.MD"
+	readme.write_text("#DESC: example\n")
+
+	found = find_readme(tmp_path)
+	assert found is not None
+	assert found.name == readme.name
+
+
+def test_find_readme_in_docs_case_insensitive(tmp_path: Path) -> None:
+	# No root README, but one in docs with mixed case
+	docs = tmp_path / "docs"
+	docs.mkdir()
+	readme = docs / "readME.txt"
+	readme.write_text("#DESC: example\n")
+
+	found = find_readme(tmp_path)
+	assert found is not None
+	assert found.name == readme.name
+	assert found.parent == docs
+
+
+def test_find_readme_none(tmp_path: Path) -> None:
+	assert find_readme(tmp_path) is None
+