fix avahi

packages/python/pyvesync/default.nix

@@ -1,22 +1,28 @@
 {
   lib,
-  fetchFromGitHub,
+  namespace,
+  pkgs,
   python3Packages,
+  ...
 }:
+let
+  inherit (lib.trivial) importJSON;
+  inherit (lib.${namespace}) selectVariant mkAllSources;
 
-python3Packages.buildPythonPackage rec {
+  versionSpec = importJSON ./version.json;
+  selected = selectVariant versionSpec null null;
+  sources = mkAllSources pkgs selected;
+  src-meta = selected.sources.pyvesync;
+  version = selected.variables.version;
+in
+python3Packages.buildPythonPackage {
   pname = "pyvesync";
-  version = "3.4.1";
+  inherit version;
   pyproject = true;
 
   disabled = python3Packages.pythonOlder "3.11";
 
-  src = fetchFromGitHub {
-    owner = "webdjoe";
-    repo = "pyvesync";
-    rev = version;
-    hash = "sha256-iqOKBpP/TYgbs6Tq+eWhxBCu/bHYRELXY7r4zjEXU3Q=";
-  };
+  src = sources.pyvesync;
 
   build-system = with python3Packages; [ setuptools ];
 
@@ -31,7 +37,7 @@ python3Packages.buildPythonPackage rec {
   meta = with lib; {
     description = "Python library to manage Etekcity Devices and Levoit Air Purifier";
     homepage = "https://github.com/webdjoe/pyvesync";
-    changelog = "https://github.com/webdjoe/pyvesync/releases/tag/${src.tag}";
+    changelog = "https://github.com/webdjoe/pyvesync/releases/tag/${src-meta.tag}";
     license = with licenses; [ mit ];
     maintainers = with maintainers; [ fab ];
   };