fix(cfg): 🐛 Update services directory handling

* Updated the `services` directory assignment to ensure it is always treated as a list, improving consistency in configuration handling. Allows to provide multiple different service folders.

unshackle/commands/cfg.py

@@ -65,7 +65,7 @@ def cfg(ctx: click.Context, key: str, value: str, unset: bool, list_: bool) -> N
 
     if not is_write and not is_delete:
         data = data.mlget(key_items, default=KeyError)
-        if data == KeyError:
+        if data is KeyError:
             raise click.ClickException(f"Key '{key}' does not exist in the config.")
         yaml.dump(data, sys.stdout)
     else:

unshackle/core/config.py

@@ -14,7 +14,7 @@ class Config:
         core_dir = Path(__file__).resolve().parent
         namespace_dir = core_dir.parent
         commands = namespace_dir / "commands"
-        services = namespace_dir / "services"
+        services = [namespace_dir / "services"]
         vaults = namespace_dir / "vaults"
         fonts = namespace_dir / "fonts"
         user_configs = core_dir.parent
@@ -51,7 +51,10 @@ class Config:
             if name.lower() in ("app_dirs", "core_dir", "namespace_dir", "user_configs", "data"):
                 # these must not be modified by the user
                 continue
-            setattr(self.directories, name, Path(path).expanduser())
+            if name == "services" and isinstance(path, list):
+                setattr(self.directories, name, [Path(p).expanduser() for p in path])
+            else:
+                setattr(self.directories, name, Path(path).expanduser())
 
         downloader_cfg = kwargs.get("downloader") or "requests"
         if isinstance(downloader_cfg, dict):

unshackle/core/services.py

@@ -6,7 +6,14 @@ from unshackle.core.config import config
 from unshackle.core.service import Service
 from unshackle.core.utilities import import_module_by_path
 
-_SERVICES = sorted((path for path in config.directories.services.glob("*/__init__.py")), key=lambda x: x.parent.stem)
+_service_dirs = config.directories.services
+if not isinstance(_service_dirs, list):
+    _service_dirs = [_service_dirs]
+
+_SERVICES = sorted(
+    (path for service_dir in _service_dirs for path in service_dir.glob("*/__init__.py")),
+    key=lambda x: x.parent.stem,
+)
 
 _MODULES = {path.parent.stem: getattr(import_module_by_path(path), path.parent.stem) for path in _SERVICES}