"""源码仓库内运行 tools/screencast 时，确保 src 在 sys.path（pip 安装后无需）。"""
from __future__ import annotations

import sys
from pathlib import Path


def bootstrap_src() -> None:
    try:
        import screencast  # noqa: F401
    except ImportError:
        src = Path(__file__).resolve().parent.parent.parent / "src"
        src_str = str(src)
        if src.is_dir() and src_str not in sys.path:
            sys.path.insert(0, src_str)