import signal
import sys
from collections.abc import Iterator
from pathlib import Path

import pytest

sys.path.insert(0, str(Path(__file__).parent))


@pytest.fixture(autouse=True)
def _restore_sigint() -> Iterator[None]:
    """The UIs install their own SIGINT handler; keep pytest's."""
    handler = signal.getsignal(signal.SIGINT)
    yield
    signal.signal(signal.SIGINT, handler)