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Add jupyter--get-channel

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This commit is contained in:
Nathaniel Nicandro 2018-02-03 19:10:30 -06:00
parent aa054178b7
commit 95a5cfbd74
1 changed files with 14 additions and 22 deletions
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36
jupyter-client.el
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@ -518,6 +518,16 @@ in CLIENT."
(jupyter-stop-channel (oref client hb-channel))
(oset client ioloop nil))))
(defun jupyter--get-channel (client ctype)
"Get CLIENT's channel based on CTYPE."
(cl-find-if
(lambda (channel) (eq (oref channel type) ctype))
(mapcar (lambda (sym) (slot-value client sym))
'(hb-channel
stdin-channel
shell-channel
iopub-channel))))
(defun jupyter--ioloop-filter (client event)
"The process filter for CLIENT's ioloop subprocess.
EVENT will be an s-expression emitted from the function returned
@ -539,33 +549,15 @@ by `jupyter--ioloop'."
(jupyter-message-type msg)
(jupyter-message-parent-id msg)
(jupyter-message-content msg)))
(let ((channel (cl-loop
for c in '(stdin-channel
shell-channel
iopub-channel)
for channel = (slot-value client c)
when (eq (oref channel type) ctype)
return channel)))
(let ((channel (jupyter--get-channel client ctype)))
(if (not channel) (warn "No handler for channel type (%s)" ctype)
(jupyter-queue-message channel (cons idents msg))
(run-with-timer 0.0001 nil #'jupyter-handle-message client channel))))
(`(start-channel ,ctype)
(let ((channel (cl-loop
for c in '(stdin-channel
shell-channel
iopub-channel)
for channel = (slot-value client c)
when (eq (oref channel type) ctype)
return channel)))
(let ((channel (jupyter--get-channel client ctype)))
(oset channel status 'running)))
(`(stop-channel ,ctype)
(let ((channel (cl-loop
for c in '(stdin-channel
shell-channel
iopub-channel)
for channel = (slot-value client c)
when (eq (oref channel type) ctype)
return channel)))
(let ((channel (jupyter--get-channel client ctype)))
(oset channel status 'stopped)))
('(quit)
;; Cleanup handled in sentinel
@ -598,7 +590,7 @@ would have to pass a nil value for the channel's key. As an
example, to prevent the control channel from starting you would
call this function like so
(jupyter-start-channels client :control nil)
(jupyter-start-channels client :stdin nil)
In addition to calling `jupyter-start-channel', a subprocess is
created for each channel which monitors the channel's socket for