python3Packages.typed-ast: 1.4.1 -> 1.4.3

pkgs/development/python-modules/typed-ast/default.nix

@@ -1,20 +1,40 @@
-{ buildPythonPackage, fetchFromGitHub, lib, pythonOlder }:
+{ buildPythonPackage, fetchFromGitHub, lib, pythonOlder, pytest }:
 buildPythonPackage rec {
   pname = "typed-ast";
-  version = "1.4.1";
-  src = fetchFromGitHub{
+  version = "1.4.3";
+  src = fetchFromGitHub {
     owner = "python";
     repo = "typed_ast";
     rev = version;
-    sha256 = "086r9qhls6mz1w72a6d1ld3m4fbkxklf6mgwbs8wpw0zlxjm7y40";
+    sha256 = "16mn9snwik5n2ib65sw2xcaqdm02j8ps21zgjxf8kyy7qnx2mx4w";
   };
   # Only works with Python 3.3 and newer;
   disabled = pythonOlder "3.3";
-  # No tests in archive
-  doCheck = false;
+
+  pythonImportsCheck = [
+    "typed_ast"
+    "typed_ast.ast27"
+    "typed_ast.ast3"
+    "typed_ast.conversions"
+  ];
+
+  checkInputs = [
+    pytest
+  ];
+  checkPhase = ''
+    runHook preCheck
+
+    # We can't use pytestCheckHook because that invokes pytest with python -m pytest
+    # which adds the current directory to sys.path at the beginning.
+    # _That_ version of the typed_ast module doesn't have the C extensions we need.
+    pytest
+
+    runHook postCheck
+  '';
+
   meta = {
-    homepage = "https://pypi.python.org/pypi/typed-ast";
-    description = "a fork of Python 2 and 3 ast modules with type comment support";
+    homepage = "https://github.com/python/typed_ast";
+    description = "Python 2 and 3 ast modules with type comment support";
     license = lib.licenses.asl20;
   };
 }