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Introduce new file and custom variable

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* jupyter-server-ioloop-comm.el: New file.

* jupyter-server.el (jupyter-server-use-zmq): New variable.
(jupyter-server-abstract-kcomm): New class.
(jupyter-server-kernel-comm): Inherit from it. This is in preparation of
re-purposing the class in a future commit.
This commit is contained in:
Nathaniel Nicandro 2020-03-15 23:40:31 -05:00
parent f2555b772f
commit 3e7bd859c8
2 changed files with 56 additions and 2 deletions
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45
jupyter-server-ioloop-comm.el Normal file
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@ -0,0 +1,45 @@
;;; jupyter-server-ioloop-comm.el --- Async support for Jupyter kernel servers -*- lexical-binding: t -*-
;; Copyright (C) 2020 Nathaniel Nicandro
;; Author: Nathaniel Nicandro <nathanielnicandro@gmail.com>
;; Created: 11 Mar 2020
;; This program 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, or (at
;; your option) any later version.
;; This program 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 GNU Emacs; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;; Commentary:
;; Async support for Jupyter kernel servers. Requires ZMQ.
;;; Code:
(require 'jupyter-server)
(require 'jupyter-ioloop-comm)
(require 'jupyter-server-ioloop)
(defgroup jupyter-server-ioloop-comm nil
"Async support for Jupyter kernel servers (requires ZMQ)."
:group 'jupyter)
(defclass jupyter-server-ioloop-comm (jupyter-server jupyter-ioloop-comm)
())
(defclass jupyter-server-ioloop-kernel-comm (jupyter-server-abstract-kcomm)
())
(provide 'jupyter-server-ioloop-comm)
;;; jupyter-server-ioloop-comm.el ends here

13
jupyter-server.el
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@ -88,6 +88,11 @@
"Support for the Jupyter kernel gateway" "Support for the Jupyter kernel gateway"
:group 'jupyter) :group 'jupyter)
(defcustom jupyter-server-use-zmq (and (locate-library "zmq") t)
"Whether or not ZMQ should be used as a backend."
:type 'boolean
:group 'jupyter)
(defvar-local jupyter-current-server nil (defvar-local jupyter-current-server nil
"The `jupyter-server' associated with the current buffer. "The `jupyter-server' associated with the current buffer.
Used in, e.g. a `jupyter-server-kernel-list-mode' buffer.") Used in, e.g. a `jupyter-server-kernel-list-mode' buffer.")
@ -159,8 +164,12 @@ Access should be done through `jupyter-available-kernelspecs'.")))
;; The notebook server already takes care of forcing shutdown of a kernel. ;; The notebook server already takes care of forcing shutdown of a kernel.
(ignore)) (ignore))
(defclass jupyter-server-kernel-comm (jupyter-comm-layer) (defclass jupyter-server-abstract-kcomm (jupyter-comm-layer)
((kernel :type jupyter-server-kernel :initarg :kernel))) ((kernel :type jupyter-server-kernel :initarg :kernel))
:abstract t)
(defclass jupyter-server-kernel-comm (jupyter-server-abstract-kcomm)
())
(cl-defmethod jupyter-comm-id ((comm jupyter-server-kernel-comm)) (cl-defmethod jupyter-comm-id ((comm jupyter-server-kernel-comm))
(let* ((kernel (oref comm kernel)) (let* ((kernel (oref comm kernel))