Add a way to start an EIN Jupyter server from Spacemacs's UI

CHANGELOG.develop

@@ -1795,6 +1795,8 @@ Other:
   - ~<C-return>~ (execute cell) and ~<S-return>~ (execute cell and go to next)
     also in hybrid mode (thanks to Jaakko Luttinen)
   - Remove spurious key binding (thanks to Carlos Andrés Rocha)
+  - Added ~SPC a y r~ =ein:run= (thanks to Zach Pearson)
+  - Added ~SPC a y s~ =ein:stop= (thanks to Zach Pearson)
 **** Ivy
 - Added =recentf= alt actions to refresh and delete items (thanks to Rich Alesi)
 - Added =projectile= alternate actions to invalidate cache (thanks to Rich Alesi)

layers/+lang/ipython-notebook/README.org

@@ -69,7 +69,8 @@ Have an IPython notebook running
 * Using the IPython notebook
 ** Open Notebook List
 This layer is lazy loaded so the transient-state will only work after you summon the
-command =ein:notebooklist-open= which is bound to ~SPC a y o~
+command =ein:notebooklist-open= which is bound to ~SPC a y o~ or =ein:run= which is
+bound to ~SPC a y r~.
 
 ** Key bindings
 The key bindings can be used through a transient state or the usual evil-leader.

layers/+lang/ipython-notebook/packages.el

@@ -24,12 +24,14 @@
 (defun ipython-notebook/init-ein ()
   (use-package ein
     :defer t
-    :commands (ein:notebooklist-open ein:notebooklist-login)
+    :commands (ein:notebooklist-open ein:notebooklist-login ein:run ein:stop)
     :init
     (progn
       (spacemacs/set-leader-keys
         "ayl" 'ein:notebooklist-login
-        "ayo" 'ein:notebooklist-open)
+        "ayo" 'ein:notebooklist-open
+        "ayr" 'ein:run
+        "ays" 'ein:stop)
       (spacemacs/declare-prefix "ay" "ipython notebook")
       (with-eval-after-load 'ein-notebooklist
         (evilified-state-evilify-map ein:notebooklist-mode-map