ipython/ipykernel

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IPython Kernel for Jupyter

Stars: 734
Forks: 412
Open beginner issues: 0
Indexed issues: 284
Avg merge: 1d 5h
Merged PRs (30d): 8

Dominant language: Python
License: BSD-3-Clause
Last GitHub push: Sep 14, 2026
Latest indexed: Sep 17, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted

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284 open issues indexed

Proposal: remove some ipyparallel-specific functionality Open

ipython/ipykernel#17 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Should `ipython kernel install` shell out to Jupyter instead of the Python API? Open

ipython/ipykernel#56 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[IPKernelApp] ERROR | UNKNOWN MESSAGE TYPE: 'comm_open' Open

ipython/ipykernel#64 · 15 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Allow comm message to be processed during cell execution Open

ipython/ipykernel#65 · 4 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026
echokernel example does not include topic in 'stream' responses Open

ipython/ipykernel#69 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
How do specify host for ZMQ? Open

question

ipython/ipykernel#102 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
async cell execution Open

ipython/ipykernel#109 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Capture output coming from C and C++ libraries Open

ipython/ipykernel#110 · 13 comments · 3 reactions · 0 assignees · Indexed Sep 17, 2026
nosetests ipykernel Open

ipython/ipykernel#124 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Process hang while executing logging.warning under specific circumstances Open

ipython/ipykernel#1166 · 11 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026
Tab completion ignores __all__ Open

ipython/ipykernel#129 · 22 comments · 3 reactions · 0 assignees · Indexed Sep 17, 2026
remove usage of IPython.utils.warn (which is deprecated) Open

ipython/ipykernel#134 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Turn deprecation warnings into error ? Open

ipython/ipykernel#135 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
More introspection of code submitted to complete_request Open

ipython/ipykernel#154 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
history tail does not provide output Open

ipython/ipykernel#169 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Confusing problems with `shutdown_reply` being received on iopub Open

ipython/ipykernel#170 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
help still refer to `ipython kernel install` Open

documentation

ipython/ipykernel#183 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Unable to start kernel on python 2.7 with ipython juypter notebook Open

ipython/ipykernel#194 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Implement installation of wrapper kernels Open

ipython/ipykernel#196 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
REPL and plpython Open

ipython/ipykernel#213 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Missing license information for some files Open

ipython/ipykernel#216 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Creation and shutdown of InProcessKernel object leaks file descriptors. Open

ipython/ipykernel#219 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
iopub shutdown message not documented in protocol Open

ipython/ipykernel#220 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Make kernel and shell cleanup easier. Open

ipython/ipykernel#221 · 3 comments · 2 reactions · 0 assignees · Indexed Sep 17, 2026
Add __file__ variable supported by traditional Python scripts to Notebook environment Open

ipython/ipykernel#227 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Can't get current instance of IPKernelApp Open

ipython/ipykernel#228 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
IPythonKernel.log.debug can get stuck (waiting for writable socket ?) Open

ipython/ipykernel#244 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Dealing with non-contiguous memoryviews as binary buffers Open

ipython/ipykernel#245 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
activate_matplotlib() is not called. Open

ipython/ipykernel#247 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Standard way to send code to main (kernel/ui) thread from worker thread Open

ipython/ipykernel#248 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Automatically choose the output format optimal for rendering in browser. Open

ipython/ipykernel#251 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Comm target_module Open

ipython/ipykernel#252 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Constraints on ID size Open

ipython/ipykernel#253 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Kernel dies when interrupting long-running completions Open

ipython/ipykernel#261 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Resource monitoring messages Open

ipython/ipykernel#262 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 17, 2026
"ZMQError: Connection refused" errors happening in series Open

ipython/ipykernel#266 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Serialize a dict with non-orderable keys Open

ipython/ipykernel#269 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Kernel not respecting extensions/configuration Open

ipython/ipykernel#273 · 2 comments · 2 reactions · 0 assignees · Indexed Sep 17, 2026
matplotlib figures scale weirdly / can't get a nice small figure Open

ipython/ipykernel#279 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Order of stdout and stderr is messed up Open

help wanted

ipython/ipykernel#280 · 7 comments · 2 reactions · 0 assignees · Indexed Sep 17, 2026
Problem with HTML displaying in jupyter & ipykernel 4.7.0 Open

ipython/ipykernel#289 · 4 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026
Very slow kernel (~30s) restart with asyncio and ProcessPoolExecutor Open

ipython/ipykernel#291 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Blocking cell execution waiting for Widget interaction Open

ipython/ipykernel#311 · 3 comments · 6 reactions · 0 assignees · Indexed Sep 17, 2026
import completion is unaware of pep 420 namespace packages. Open

ipython/ipykernel#312 · 0 comments · 2 reactions · 0 assignees · Indexed Sep 17, 2026
chaining methods should be easier Open

ipython/ipykernel#318 · 4 comments · 2 reactions · 0 assignees · Indexed Sep 17, 2026
AttributeError: 'InProcessKernel' object has no attribute 'io_loop' Open

ipython/ipykernel#319 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Error running "python -m ipykernel install --user" Open

ipython/ipykernel#326 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
No Kernels Installed Open

ipython/ipykernel#327 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
ipykernel messes with signal handlers Open

ipython/ipykernel#328 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Method to block Jupyter continuing to next cell? Open

ipython/ipykernel#329 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026

ipython/ipykernel

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