adjust config format

backup_box/config.py

@@ -6,6 +6,7 @@ from typing import TypedDict, Literal
 
 EntryItem = TypedDict("EntryItem", {
     "name": str,
+    "storage": str,
     "sources": list[str],
     "included": list[str],
     "ignored": list[str],
@@ -25,16 +26,16 @@ RemoteStorageItem = TypedDict("RemoteStorageItem", {
 StorageItem = LocalStorageItem | RemoteStorageItem
 
 ConfigDict = TypedDict("ConfigDict", {
-    "entry": dict[str, EntryItem],
     "storage": dict[str, StorageItem],
+    "entry": dict[str, EntryItem],
 })
 
 CONFIG_FILE_NAME = "backup_box.toml"
 
 def _new_config() -> ConfigDict:
     return {
-        "entry": {},
         "storage": {},
+        "entry": {},
     }
 
 _cfg: ConfigDict = _new_config()
@@ -50,27 +51,14 @@ def _override_dict(target: ConfigDict, top_dict: ConfigDict):
 def _path_related_to(base: str, *sub: str):
     return _pth.abspath(_pth.join(base, *sub))
 
-def apply_user_config(dir_or_path: str):
-    if _pth.isdir(dir_or_path):
-        dir_or_path = _pth.abspath(_pth.join(dir_or_path, CONFIG_FILE_NAME))
-    cfg_dir = _pth.dirname(dir_or_path)
-    if dir_or_path in _config:
-        return # skip if already added
+def load_single_config(cfg_path: str) -> ConfigDict:
     try:
-        with open(dir_or_path, "rb") as f:
+        with open(cfg_path, "rb") as f:
             config: ConfigDict = toml_load(f) # type: ignore
     except:
         config: ConfigDict = {} # type: ignore
     # ensure default value
-    config.setdefault("entry", {})
-    for item in config["entry"].values():
-        item.setdefault("name", "")
-        # path related to the config file.
-        item.setdefault("sources", [])
-        for i, s in enumerate(item["sources"]):
-            item["sources"][i] = _path_related_to(cfg_dir, s)
-        item.setdefault("included", [])
-        item.setdefault("ignored", [])
+    cfg_dir = _pth.dirname(cfg_path)
     config.setdefault("storage", {})
     for item in config["storage"].values():
         if item["type"] == "LocalStorageItem":
@@ -78,6 +66,29 @@ def apply_user_config(dir_or_path: str):
             # path related to the config file.
             if item["path"]:
                 item["path"] = _path_related_to(cfg_dir, item["path"])
+    config.setdefault("entry", {})
+    for item in config["entry"].values():
+        item.setdefault("name", "")
+        item.setdefault("storage", "")
+        # path related to the config file.
+        item.setdefault("sources", [])
+        for i, s in enumerate(item["sources"]):
+            item["sources"][i] = _path_related_to(cfg_dir, s)
+        item.setdefault("included", [])
+        item.setdefault("ignored", [])
+    return config
+
+def save_single_config(cfg_path: str, config: ConfigDict):
+    with open(cfg_path, "wb") as fp:
+        toml_dump(config, fp, indent=2)
+
+def apply_user_config(dir_or_path: str):
+    if _pth.isdir(dir_or_path):
+        dir_or_path = _pth.abspath(_pth.join(dir_or_path, CONFIG_FILE_NAME))
+    if dir_or_path in _config:
+        return # skip if already added
+    # ensure default value
+    config = load_single_config(dir_or_path)
     # update config
     _override_dict(_cfg, config)
     # append config file list
@@ -99,7 +110,3 @@ def reload_config():
 
 def get_config():
     return _cfg
-
-# find config yaml
-
-