feat: expose pydeconz

Expose pydeconz via the nix flake.

flake.nix

@@ -22,6 +22,9 @@
       overlays = {
         deconz = self: super: {
           deconz = self.qt5.callPackage ./pkgs/deconz { };
+          # This is the path so that the correct python deps and versions can be used
+          # with python{version}Packages.callPackage pydeconz { }
+          pydeconz = ./pkgs/pydeconz;
         };
       };
       systemModule = { hostName, hardwareConfig, config }:

pkgs/pydeconz/default.nix

@@ -0,0 +1,15 @@
+{ buildPythonPackage, fetchPypi, setuptools, aiohttp }:
+
+buildPythonPackage rec {
+  pname = "pydeconz";
+  version = "73";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "Lm7J0p2dp2gyesDpgN0WGpxPewC1z/IUy0CDEqofQGA=";
+  };
+
+  propagateBuildInputs = [ setuptools ];
+  buildInputs = [ aiohttp ];
+  doCheck = false;
+}

services/home-assistant.nix

@@ -1,22 +1,6 @@
-{ config, pkgs, ... }:
+{ config, pkgs, pydeconz, ... }:
 
-with pkgs;
-let
-  pydeconz = python3.pkgs.buildPythonPackage rec {
-    pname = "pydeconz";
-    version = "73";
-
-    src = python3.pkgs.fetchPypi {
-      inherit pname version;
-      sha256 = "Lm7J0p2dp2gyesDpgN0WGpxPewC1z/IUy0CDEqofQGA=";
-    };
-
-    propagateBuildInputs = with python3Packages; [ setuptools ];
-    buildInputs = with python3Packages; [ aiohttp ];
-    doCheck = false;
-  };
-in
-{
+with pkgs; {
   imports = [ ./deconz.nix ];
 
   environment.systemPackages = with pkgs; [ deconz ];
@@ -31,7 +15,7 @@ in
   services.home-assistant = {
     enable = true;
     package = home-assistant.override {
-      extraPackages = ps: with ps; [ pydeconz ];
+      extraPackages = ps: [ (ps.callPackage pydeconz { }) ];
     };
     openFirewall = true;
     config = {