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))