Merge pull request #28884 from FRidh/python-fixes

Python: several fixes

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

@@ -0,0 +1,28 @@
+{ lib, stdenv, buildPythonPackage, fetchPypi, pytest, hypothesis, zope_interface
+, pympler, coverage, six, clang }:
+
+buildPythonPackage rec {
+  name = "${pname}-${version}";
+  pname = "attrs";
+  version = "17.2.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "04gx08ikpk26wnq22f7l42gapcvk8iz1512r927k6sadz6cinkax";
+  };
+
+  # macOS needs clang for testing
+  buildInputs = [
+    pytest hypothesis zope_interface pympler coverage six
+  ] ++ lib.optionals (stdenv.isDarwin) [ clang ];
+
+  checkPhase = ''
+    py.test
+  '';
+
+  meta = with lib; {
+    description = "Python attributes without boilerplate";
+    homepage = https://github.com/hynek/attrs;
+    license = licenses.mit;
+  };
+}