change python config, add jupyter and ein

lisp/ein/ein-events.el

@@ -0,0 +1,63 @@
+;;; ein-events.el --- Event module    -*- lexical-binding:t -*-
+
+;; Copyright (C) 2012- Takafumi Arakaki
+
+;; Author: Takafumi Arakaki <aka.tkf at gmail.com>
+
+;; This file is NOT part of GNU Emacs.
+
+;; ein-events.el is free software: you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+
+;; ein-events.el is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with ein-events.el.  If not, see <http://www.gnu.org/licenses/>.
+
+;;; Commentary:
+
+;;
+
+;;; Code:
+
+(require 'eieio)
+
+(require 'ein-core)
+(require 'ein-classes)
+(require 'ein-log)
+
+(defun ein:events-new ()
+  "Return a new event handler instance."
+  (make-instance 'ein:events))
+
+(defun ein:events-trigger (events event-type &optional data)
+  "Trigger EVENT-TYPE and let event handler EVENTS handle that event."
+  (ein:log 'debug "Event: %S" event-type)
+  (aif (gethash event-type (slot-value events 'callbacks))
+      (mapc (lambda (cb-arg) (ein:funcall-packed cb-arg data)) it)
+    (ein:log 'info "Unknown event: %S" event-type)))
+
+
+(cl-defmethod ein:events-on ((events ein:events) event-type
+                             callback &optional arg)
+  "Set event trigger hook.
+
+When EVENT-TYPE is triggered on the event handler EVENTS,
+CALLBACK is called.  CALLBACK must take two arguments:
+ARG as the first argument and DATA, which is passed via
+`ein:events-trigger', as the second."
+  (cl-assert (symbolp event-type) t "%s not symbol" event-type)
+  (let* ((table (slot-value events 'callbacks))
+         (cbs (gethash event-type table)))
+    (push (cons callback arg) cbs)
+    (puthash event-type cbs table)))
+
+
+(provide 'ein-events)
+
+;;; ein-events.el ends here