added cli

tests/conftest.py

@@ -0,0 +1,18 @@
+import sys
+from pathlib import Path
+
+import pytest
+
+
+@pytest.fixture
+def temp_package(tmp_path: Path):
+    """
+    Creates a temporary Python package and adds it to sys.path.
+    """
+    pkg = tmp_path / "testpkg"
+    pkg.mkdir()
+    (pkg / "__init__.py").write_text('"""Test package."""\n')
+
+    sys.path.insert(0, str(tmp_path))
+    yield pkg
+    sys.path.remove(str(tmp_path))