init: 初始化

settings.py

@@ -0,0 +1,46 @@
+from dataclasses import dataclass
+from dataclasses_json import DataClassJsonMixin
+from pathlib import Path
+from typing import Self
+
+
+@dataclass
+class Config(DataClassJsonMixin):
+    sessiondata: str
+    bili_jct: str
+    buvid3: str
+    dedeuserid: str
+    ac_time_value: str
+    favorite_ids: list
+    path_mapper: dict
+
+    @staticmethod
+    def load(path: Path | str) -> Self:
+        if isinstance(path, str):
+            path = Path(path)
+        try:
+            with path.open("r") as f:
+                return Config.schema().loads(f.read())
+        except Exception as e:
+            raise ValueError(f"Failed to load config file: {path}") from e
+
+    def save(self, path: Path | str) -> Self:
+        if isinstance(path, str):
+            path = Path(path)
+        try:
+            path.parent.mkdir(parents=True, exist_ok=True)
+            with path.open("w") as f:
+                f.write(Config.schema().dumps(self))
+        except Exception as e:
+            raise PermissionError(f"Failed to save config file: {path}") from e
+        return self
+
+
+def init_settings() -> Config:
+    if (Path(__file__).parent / "config.json").exists():
+        return Config.load(Path(__file__).parent / "config.json")
+    # TODO: 读取环境变量
+    return Config().save(Path(__file__).parent / "config.json")
+
+
+settings = init_settings()