Files
AstrBot/astrbot/core/utils/shared_preferences.py
2025-07-21 17:04:29 +08:00

44 lines
1.2 KiB
Python

import json
import os
from typing import TypeVar
from .astrbot_path import get_astrbot_data_path
_VT = TypeVar("_VT")
class SharedPreferences:
def __init__(self, path=None):
if path is None:
path = os.path.join(get_astrbot_data_path(), "shared_preferences.json")
self.path = path
self._data = self._load_preferences()
def _load_preferences(self):
if os.path.exists(self.path):
try:
with open(self.path, "r") as f:
return json.load(f)
except json.JSONDecodeError:
os.remove(self.path)
return {}
def _save_preferences(self):
with open(self.path, "w") as f:
json.dump(self._data, f, indent=4, ensure_ascii=False)
f.flush()
def get(self, key, default: _VT = None) -> _VT:
return self._data.get(key, default)
def put(self, key, value):
self._data[key] = value
self._save_preferences()
def remove(self, key):
if key in self._data:
del self._data[key]
self._save_preferences()
def clear(self):
self._data.clear()
self._save_preferences()