python.pkgs.astroid: fix build

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

@@ -1,32 +1,25 @@
-{ lib, fetchPypi, buildPythonPackage, python, logilab_common, six
-, lazy-object-proxy, wrapt, singledispatch, enum34, pythonOlder
-, backports_functools_lru_cache
+{ lib, fetchPypi, buildPythonPackage, pythonOlder, isPyPy
+, lazy-object-proxy, six, wrapt, typing, typed-ast
+, pytestrunner, pytest
 }:
 
 buildPythonPackage rec {
   pname = "astroid";
   version = "2.0.1";
 
+  disabled = pythonOlder "3.4";
+
   src = fetchPypi {
     inherit pname version;
     sha256 = "218e36cf8d98a42f16214e8670819ce307fa707d1dcf7f9af84c7aede1febc7f";
   };
 
-  propagatedBuildInputs = [ logilab_common six lazy-object-proxy wrapt ]
-    ++ lib.optionals (pythonOlder "3.4") [ enum34 singledispatch]
-    ++ lib.optionals (pythonOlder "3.3") [ backports_functools_lru_cache ];
+  # From astroid/__pkginfo__.py
+  propagatedBuildInputs = [ lazy-object-proxy six wrapt ]
+    ++ lib.optional (pythonOlder "3.5") typing
+    ++ lib.optional (pythonOlder "3.7" && !isPyPy) typed-ast;
 
-  postPatch = ''
-    cd astroid/tests
-    for i in $(ls unittest*); do mv -v $i test_$i; done
-    cd ../..
-    rm -vf astroid/tests/test_unittest_inference.py
-    rm -vf astroid/tests/test_unittest_manager.py
-  '';
-
-  checkPhase = ''
-    ${python.interpreter} -m unittest discover
-  '';
+  checkInputs = [ pytestrunner pytest ];
 
   meta = with lib; {
     description = "A abstract syntax tree for Python with inference support";