python.pkgs.jupyter_core: own file, enable tests

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

@@ -0,0 +1,38 @@
+{ lib
+, python
+, buildPythonPackage
+, fetchPypi
+, ipython
+, traitlets
+, glibcLocales
+, mock
+, pytest
+}:
+
+buildPythonPackage rec {
+  pname = "jupyter_core";
+  version = "4.3.0";
+  name = "${pname}-${version}";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "a96b129e1641425bf057c3d46f4f44adce747a7d60107e8ad771045c36514d40";
+  };
+
+  buildInputs = [ pytest mock glibcLocales ];
+  propagatedBuildInputs = [ ipython traitlets ];
+
+  patches = [ ./tests_respect_pythonpath.patch ];
+
+  checkPhase = ''
+    mkdir tmp
+    HOME=tmp TMPDIR=tmp LC_ALL=en_US.utf8 py.test
+  '';
+
+  meta = with lib; {
+    description = "Jupyter core package. A base package on which Jupyter projects rely";
+    homepage = http://jupyter.org/;
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ fridh globin ];
+  };
+}