push sheeet

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

@@ -0,0 +1,58 @@
+{
+  lib,
+  stdenv,
+  buildPythonPackage,
+  fetchPypi,
+  setuptools-scm,
+  demes,
+  matplotlib,
+  numpy,
+  scipy,
+  pythonOlder,
+  pytestCheckHook,
+  pytest-cov-stub,
+  pytest-xdist,
+  mpmath,
+}:
+
+buildPythonPackage rec {
+  pname = "demesdraw";
+  version = "0.4.1";
+  format = "pyproject";
+  disabled = pythonOlder "3.7";
+
+  src = fetchPypi {
+    inherit pname version;
+    hash = "sha256-sPxdSXWRh6qnUKmP9g/AghOX5Ydrxv2Le2iadefQDws=";
+  };
+
+  nativeBuildInputs = [ setuptools-scm ];
+
+  propagatedBuildInputs = [
+    demes
+    matplotlib
+    numpy
+    scipy
+  ];
+
+  # This variable is needed to suppress the "Trace/BPT trap: 5" error in Darwin's checkPhase.
+  # Not sure of the details, but we can avoid it by changing the matplotlib backend during testing.
+  env.MPLBACKEND = lib.optionalString stdenv.hostPlatform.isDarwin "Agg";
+
+  nativeCheckInputs = [
+    pytestCheckHook
+    pytest-cov-stub
+    pytest-xdist
+    mpmath
+  ];
+
+  pythonImportsCheck = [ "demesdraw" ];
+
+  meta = with lib; {
+    description = "Drawing functions for Demes demographic models";
+    mainProgram = "demesdraw";
+    homepage = "https://github.com/grahamgower/demesdraw";
+    license = licenses.isc;
+    maintainers = [ ];
+  };
+}