42 lines
1.1 KiB
Python
42 lines
1.1 KiB
Python
import json
|
|
from pathlib import Path
|
|
from typing import Optional
|
|
|
|
import anyio
|
|
|
|
from .models import AppConfig
|
|
|
|
|
|
class ConfigStore:
|
|
def __init__(self, file_path: Path):
|
|
self._file_path = file_path
|
|
self._lock = anyio.Lock()
|
|
|
|
def _write_unlocked(self, cfg: AppConfig) -> None:
|
|
self._file_path.parent.mkdir(parents=True, exist_ok=True)
|
|
self._file_path.write_text(
|
|
json.dumps(cfg.model_dump(mode="json"), indent=2, ensure_ascii=False),
|
|
encoding="utf-8",
|
|
)
|
|
|
|
async def load(self) -> AppConfig:
|
|
async with self._lock:
|
|
if not self._file_path.exists():
|
|
cfg = AppConfig(cameras=[])
|
|
self._write_unlocked(cfg)
|
|
return cfg
|
|
|
|
raw = self._file_path.read_text(encoding="utf-8")
|
|
data = json.loads(raw) if raw.strip() else {}
|
|
return AppConfig.model_validate(data)
|
|
|
|
async def save(self, cfg: AppConfig) -> None:
|
|
async with self._lock:
|
|
self._write_unlocked(cfg)
|
|
|
|
|
|
def default_store(project_root: Optional[Path] = None) -> ConfigStore:
|
|
root = project_root or Path(__file__).resolve().parents[2]
|
|
return ConfigStore(root / "api" / "data" / "config.json")
|
|
|