import os
from pathlib import Path


def pyra_home() -> Path:
    return Path.home() / ".pyra"


def ensure_dir(path: Path, mode: int = 0o700) -> Path:
    path.mkdir(parents=True, exist_ok=True)
    safe_chmod(path, mode)
    return path


def safe_chmod(path: Path, mode: int) -> None:
    if os.name != "nt":
        path.chmod(mode)


def expand(p: str) -> Path:
    return Path(p).expanduser().resolve()