import json
import logging
from pathlib import Path
from typing import Any
from constants import USER_CONFIG_FILE, USER_TOOLS_DIR, DEFAULT_CONFIG
logger = logging.getLogger(__name__)
def load() -> dict[str, Any]:
"""Load config from disk, merging with defaults for any missing keys."""
if USER_CONFIG_FILE.exists():
try:
on_disk = json.loads(USER_CONFIG_FILE.read_text())
return {**DEFAULT_CONFIG, **on_disk}
except (json.JSONDecodeError, OSError) as exc:
logger.warning("Config file unreadable (%s), using defaults.", exc)
return dict(DEFAULT_CONFIG)
def save(cfg: dict[str, Any]) -> None:
"""Write config to disk, creating parent directories if needed."""
USER_CONFIG_FILE.parent.mkdir(parents=True, exist_ok=True)
USER_CONFIG_FILE.write_text(json.dumps(cfg, indent=2, sort_keys=True))
def get_tools_dir() -> Path:
"""
Return the directory where external tools are stored.
Creates it if it does not exist.
Always an absolute path — never relies on process CWD.
"""
cfg = load()
tools_dir = Path(cfg.get("tools_dir", str(USER_TOOLS_DIR))).expanduser().resolve()
tools_dir.mkdir(parents=True, exist_ok=True)
return tools_dir
def get_sudo_cmd() -> str:
"""Return 'doas' if available, else 'sudo'. Never hardcode 'sudo'."""
import shutil
return "doas" if shutil.which("doas") else "sudo"
