python3Packages.envisage: update and disable for Python 2

- next release will drop support for Python 2

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

@@ -1,15 +1,18 @@
-{ stdenv, fetchPypi, buildPythonPackage
+{ lib, fetchPypi, fetchpatch, isPy27
+, buildPythonPackage
 , traits, apptools
-, ipykernel
+, python, ipykernel, ipython
 }:
 
 buildPythonPackage rec {
   pname = "envisage";
-  version = "4.7.2";
+  version = "4.9.2";
+
+  disabled = isPy27;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0jb5nw0w9x97jij0hd3d7kfzcj58r1cqmplmdy56bj11dyc4wyc9";
+    sha256 = "1srjmkhnz84nz5jd72vdsnc4fn7dd9jr8nyf3hzk6yx1dsn815gd";
   };
 
   propagatedBuildInputs = [ traits apptools ];
@@ -18,16 +21,26 @@ buildPythonPackage rec {
     export HOME=$PWD/HOME
   '';
 
+  # fix a test failure; should be merged in next release
+  patches = [ (fetchpatch {
+    url = "https://github.com/enthought/envisage/pull/248/commits/7b6d2dd615d5cb7455b200eb8f37e030bbf4df9e.patch";
+    sha256 = "0a3dmbpxwsn1bkjcjv9v7b751rcmppj6hc9wcgiayg4l9r2nrvyh";
+  }) ];
+
   checkInputs = [
-    ipykernel
+    ipykernel ipython
   ];
 
-  doCheck = true;
+  checkPhase = ''
+    runHook preCheck
+    ${python.interpreter} -m unittest
+    runHook postCheck
+  '';
 
-  meta = with stdenv.lib; {
+  meta = with lib; {
     description = "Framework for building applications whose functionalities can be extended by adding 'plug-ins'";
     homepage = "https://github.com/enthought/envisage";
-    maintainers = with stdenv.lib.maintainers; [ knedlsepp ];
+    maintainers = with lib.maintainers; [ knedlsepp ];
     license = licenses.bsdOriginal;
   };
 }