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PR: Fix kernels status for remote clients (IPython console)#25663

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hlouzada wants to merge 43 commits intospyder-ide:masterfrom
hlouzada:fix-remoteclient-kernels-status
Open

PR: Fix kernels status for remote clients (IPython console)#25663
hlouzada wants to merge 43 commits intospyder-ide:masterfrom
hlouzada:fix-remoteclient-kernels-status

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@hlouzada hlouzada commented Feb 4, 2026 •
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Description of Changes

  • Added Reconnect button and action for remote kernels
  • Separated reconnect errors, with restart errors and kernel interrupts for remote kernels.
  • Added loading animation for remote kernels interactions taking too long.
  • Added heartbeat to handle JupyterHub managed spyder-server's connection lost
  • Fix heartbeat logic for web-socket jupyter kernel clients by explicitly handling ping/pong interaction of the ws protocol
  • Minor fixes and changes for remote kernels
  • Depends on Handle restarting state in connected kernels qtconsole#647
  • Wrote at least one-line docstrings (for any new functions)
  • Added unit test(s) covering the changes (if testable)

Affirmation

By submitting this Pull Request or typing my (user)name below,
I affirm the Developer Certificate of Origin
with respect to all commits and content included in this PR,
and understand I am releasing the same under Spyder's MIT (Expat) license.

I certify the above statement is true and correct: @hlouzada

hlouzada added 30 commits February 4, 2026 14:50
@hlouzada
fix: explicitly implement heartbeat logic with ws protocol
d08d14e
@hlouzada
fix: only close empty queues
fcda4fd
@hlouzada
refac: update code style
19c1e18
@hlouzada
fix: add missing return when sending raw input to kernel
cd33590
@hlouzada
refac: update docstring for QtWSChannel
9664d95
@hlouzada
fix: remove deprecated workaround for handling unexpected kernel rest…
10ce4f7 
…arts
@hlouzada
fix: don't reconnect on kernel restart, as websockets client won't close
4ef104b
@hlouzada
fix: move all connection lost logic to base manager class
055afbb
@hlouzada
feat: add heartbeat to jupyterhub remoteclient manager
b7d80b8
@hlouzada
fix: add compatibility with private method for heartbeat ws channel
161602f
@hlouzada
fix: catch connection reset on pings for heartbeat errors
d5909d9
@hlouzada
fix: exit receiver loop properly on close
39eb1a6
@hlouzada
refac: remove logging for ws shutdown message
5fbbddc
@hlouzada
fix: retry multiple times to reconnect to kernel
5a8e119
@hlouzada
fix: handle errors when restarting kernels
8f69800
@hlouzada
fix: properly handle remote kernels died
7c10328
@hlouzada
fix: set error argument
e420bfd
@hlouzada
fix: catch heartbeat errors for jupyterhub connections
bacdae3
@hlouzada
refac: improve logging for remote reconnections
3ace214
@hlouzada
fix: reduce timeout for jupyterhub heartbeat
5976941
@hlouzada
fix: add missing method to start jupyterhub hb
2fe3fcc
@hlouzada
fix: add missing method to cleanup heartbeat task
3c09017
@hlouzada
fix: use spyder server url for jupyterhub hb check
daf7466
@hlouzada
refac: update logging for heartbeat
781c20a
@hlouzada
feat: replace heartbeat channel with a fake one and handle ping/pong …
fb27d23 
…msg automatically
@hlouzada
fix: only close remote api if session exists
0f721ec
@hlouzada
fix: close jupyterhub sessions before creating new ones
09c476b
@hlouzada
feat: reconnect remote kernel on connection lost
daa65b9
@hlouzada
feat: add loading animation in case of remote kernel taking too long …
da23ea8 
…to respond
@hlouzada
feat: set reconnecting page and error message if fails to recconect, …
69b7b13 
…retry evrey 10 times evrey 5 sec
@ccordoba12 ccordoba12 added this to the v6.1.3 milestone Feb 4, 2026
@ccordoba12 ccordoba12 changed the title PR: Fix remoteclient kernels status PR: Fix kernels status for remote clients (IPython console) Feb 4, 2026
@hlouzada hlouzada force-pushed the fix-remoteclient-kernels-status branch from 949b676 to ea3a691 Compare February 4, 2026 18:14
@hlouzada
git subrepo pull (merge) external-deps/qtconsole
0e267fa 
subrepo:
  subdir:   "external-deps/qtconsole"
  merged:   "f6e548ef1"
upstream:
  origin:   "https://github.com/spyder-ide/qtconsole.git"
  branch:   "main"
  commit:   "f6e548ef1"
git-subrepo:
  version:  "0.4.9"
  origin:   "https://github.com/ingydotnet/git-subrepo"
  commit:   "cce3d93"
@hlouzada hlouzada force-pushed the fix-remoteclient-kernels-status branch from ea3a691 to 0e267fa Compare February 4, 2026 18:31
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component:IPython Console component:Remote client type:Bug type:Enhancement

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v6.1.3

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@hlouzada @ccordoba12