python3.pkgs.slixmpp: fix build

Also hardcode path to gnupg and correctly run tests.

pkgs/development/python-modules/slixmpp/default.nix

@@ -1,22 +1,30 @@
-{ lib, buildPythonPackage, fetchPypi, pythonOlder, fetchurl, aiodns, pyasn1, pyasn1-modules, gnupg }:
+{ lib, buildPythonPackage, fetchPypi, isPy3k, substituteAll, aiodns, pyasn1, pyasn1-modules, aiohttp, gnupg, nose }:
 
 buildPythonPackage rec {
   pname = "slixmpp";
   version = "1.4.1";
 
-  disabled = pythonOlder "3.4";
+  disabled = !isPy3k;
 
   src = fetchPypi {
     inherit pname version;
     sha256 = "020acd4507fd00c38835b78b5f338db60d3df840187623e0d41ab2ca89d7ae57";
   };
 
-  patchPhase = ''
-    substituteInPlace slixmpp/thirdparty/gnupg.py \
-      --replace "gpgbinary='gpg'" "gpgbinary='${gnupg}/bin/gpg'"
-  '';
+  patches = [
+    (substituteAll {
+      src = ./hardcode-gnupg-path.patch;
+      inherit gnupg;
+    })
+  ];
 
-  propagatedBuildInputs = [ aiodns pyasn1 pyasn1-modules gnupg ];
+  propagatedBuildInputs = [ aiodns pyasn1 pyasn1-modules aiohttp ];
+
+  checkInputs = [ nose ];
+
+  checkPhase = ''
+    nosetests --where=tests --exclude=live -i slixtest.py
+  '';
 
   meta = {
     description = "Elegant Python library for XMPP";