backend/app/runtime_paths.py

from __future__ import annotations

import sys
from pathlib import Path


def resolve_app_root() -> Path:
    if getattr(sys, "frozen", False):
        return Path(sys.executable).resolve().parent
    return Path(__file__).resolve().parents[2]


def resolve_bundle_root() -> Path:
    meipass = getattr(sys, "_MEIPASS", None)
    if meipass:
        return Path(str(meipass)).resolve()
    if getattr(sys, "frozen", False):
        return Path(sys.executable).resolve().parent
    return resolve_app_root()


def resolve_frontend_dist_dir() -> Path:
    base = resolve_bundle_root() if getattr(sys, "frozen", False) else resolve_app_root()
    return base / "frontend" / "dist"


def resolve_core_path(*parts: str) -> Path:
    if getattr(sys, "frozen", False):
        return resolve_bundle_root().joinpath("app", "core", *parts)
    return resolve_app_root().joinpath("backend", "app", "core", *parts)


def resolve_local_data_path(*parts: str) -> Path:
    if getattr(sys, "frozen", False):
        return resolve_bundle_root().joinpath("local_data", *parts)
    return resolve_app_root().joinpath("backend", "local_data", *parts)