python3Packages.notify-py: hardcode paths to aplay, notify-send, and which

pkgs/development/python-modules/notify-py/default.nix

@@ -1,5 +1,17 @@
-{ lib, stdenv, buildPythonPackage, fetchFromGitHub, isPy3k, coreutils, alsa-utils
-, libnotify, which, jeepney, loguru, pytestCheckHook }:
+{ lib
+, stdenv
+, buildPythonPackage
+, isPy3k
+, fetchFromGitHub
+, substituteAll
+, alsa-utils
+, libnotify
+, which
+, jeepney
+, loguru
+, pytestCheckHook
+, coreutils
+}:
 
 buildPythonPackage rec {
   pname = "notify-py";
@@ -14,15 +26,28 @@ buildPythonPackage rec {
     sha256 = "1n35adwsyhz304n4ifnsz6qzkymwhyqc8sg8d76qv5psv2xsnzlf";
   };
 
-  propagatedNativeBuildInputs = [ which ]
-    ++ lib.optionals stdenv.isLinux [ alsa-utils libnotify ];
+  patches = lib.optionals stdenv.isLinux [
+    # hardcode paths to aplay and notify-send
+    (substituteAll {
+      src = ./linux-paths.patch;
+      aplay = "${alsa-utils}/bin/aplay";
+      notifysend = "${libnotify}/bin/notify-send";
+    })
+  ] ++ lib.optionals stdenv.isDarwin [
+    # hardcode path to which
+    (substituteAll {
+      src = ./darwin-paths.patch;
+      which = "${which}/bin/which";
+    })
+  ];
+
   propagatedBuildInputs = [ loguru ]
     ++ lib.optionals stdenv.isLinux [ jeepney ];
 
-  checkInputs = [ coreutils pytestCheckHook ];
+  checkInputs = [ pytestCheckHook ];
 
   # Tests search for "afplay" binary which is built in to MacOS and not available in nixpkgs
-  preCheck = ''
+  preCheck = lib.optionalString stdenv.isDarwin ''
     mkdir $TMP/bin
     ln -s ${coreutils}/bin/true $TMP/bin/afplay
     export PATH="$TMP/bin:$PATH"
@@ -31,9 +56,9 @@ buildPythonPackage rec {
   pythonImportsCheck = [ "notifypy" ];
 
   meta = with lib; {
-    description = "Python Module for sending cross-platform desktop notifications on Windows, macOS, and Linux.";
-    homepage = "https://github.com/ms7m/notify-py/";
+    description = "Cross-platform desktop notification library for Python";
+    homepage = "https://github.com/ms7m/notify-py";
     license = licenses.mit;
-    maintainers = with maintainers; [ austinbutler ];
+    maintainers = with maintainers; [ austinbutler dotlambda ];
   };
 }