python2Packages.notebook: restore

as it is a dependency of sage.

pkgs/development/python-modules/notebook/2.nix

@@ -0,0 +1,76 @@
+{ stdenv
+, lib
+, buildPythonPackage
+, fetchPypi
+, nose
+, nose_warnings_filters
+, glibcLocales
+, isPy3k
+, mock
+, jinja2
+, tornado
+, ipython_genutils
+, traitlets
+, jupyter_core
+, jupyter_client
+, nbformat
+, nbconvert
+, ipykernel
+, terminado
+, requests
+, send2trash
+, pexpect
+, prometheus_client
+}:
+
+buildPythonPackage rec {
+  pname = "notebook";
+  version = "5.7.8";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "573e0ae650c5d76b18b6e564ba6d21bf321d00847de1d215b418acb64f056eb8";
+  };
+
+  LC_ALL = "en_US.utf8";
+
+  checkInputs = [ nose glibcLocales ]
+    ++ (if isPy3k then [ nose_warnings_filters ] else [ mock ]);
+
+  propagatedBuildInputs = [
+    jinja2 tornado ipython_genutils traitlets jupyter_core send2trash
+    jupyter_client nbformat nbconvert ipykernel terminado requests pexpect
+    prometheus_client
+  ];
+
+  # disable warning_filters
+  preCheck = lib.optionalString (!isPy3k) ''
+    echo "" > setup.cfg
+  '';
+
+  postPatch = ''
+    # Remove selenium tests
+    rm -rf notebook/tests/selenium
+
+  '';
+
+  checkPhase = ''
+    runHook preCheck
+    mkdir tmp
+    HOME=tmp nosetests -v ${if (stdenv.isDarwin) then ''
+      --exclude test_delete \
+      --exclude test_checkpoints_follow_file
+    ''
+    else ""}
+  '';
+
+  # Some of the tests use localhost networking.
+  __darwinAllowLocalNetworking = true;
+
+  meta = {
+    description = "The Jupyter HTML notebook is a web-based notebook environment for interactive computing";
+    homepage = https://jupyter.org/;
+    license = lib.licenses.bsd3;
+    maintainers = with lib.maintainers; [ fridh ];
+  };
+}

pkgs/top-level/python-packages.nix

@@ -4015,7 +4015,8 @@ in {
 
   nose_warnings_filters = callPackage ../development/python-modules/nose_warnings_filters { };
 
-  notebook = callPackage ../development/python-modules/notebook { };
+  notebook = if isPy3k then callPackage ../development/python-modules/notebook { }
+  else callPackage ../development/python-modules/notebook/2.nix { };
 
   notify = callPackage ../development/python-modules/notify { };