Function _safe_unlink

tests/integration/test_session_export.py:70–89

Delete a session DB, tolerating a briefly-held handle. On Windows an open SQLite file cannot be removed (WinError 32), and the handle can linger past sessions.close (OS release lag, or a reader connection). This unlink is housekeeping, not an assertion -- the schema and row-cou

(path: Path)

def _safe_unlink(path: Path) -> None:
    """
    Delete a session DB, tolerating a briefly-held handle.

    On Windows an open SQLite file cannot be removed (WinError 32), and the
    handle can linger past sessions.close (OS release lag, or a reader
    connection). This unlink is housekeeping, not an assertion -- the schema
    and row-count checks have already run -- so retry a few times and then give
    up quietly rather than failing the test on a cleanup artifact.
    """
    for attempt in range(10):
        try:
            path.unlink()
            return
        except FileNotFoundError:
            return
        except PermissionError:
            if attempt == 9:
                return
            time.sleep(0.3)


def _sqlite_tables(path: Path) -> set[str]: