From 0f6a466b0cfc49bd312e358fa114d726fd11587e Mon Sep 17 00:00:00 2001
From: Luke Granger-Brown <git@lukegb.com>
Date: Sat, 12 Jun 2021 00:17:09 +0000
Subject: [PATCH] python3Packages.typed-ast: 1.4.1 -> 1.4.3

---
 .../python-modules/typed-ast/default.nix      | 36 ++++++++++++++-----
 1 file changed, 28 insertions(+), 8 deletions(-)

diff --git a/pkgs/development/python-modules/typed-ast/default.nix b/pkgs/development/python-modules/typed-ast/default.nix
index 608ce8b65fea..d5c190e1c41f 100644
--- a/pkgs/development/python-modules/typed-ast/default.nix
+++ b/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;
   };
 }