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IPython Kernel for Jupyter

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To reproduce: ``` % ipython --IPKernelApp.trio_loop=True Python 3.11.6 | packaged by conda-forge | (main, Oct 3 2023, 10:37:07) [Clang 15.0.7 ] Type 'copyright', 'credits' or 'license' for more information IPython...

Hi, Aside from the now fixed #881, I still run into some async + interrupt issues. I'm not 100% sure if I need to do something differently or there is...

bug

Hello, I've developed a custom Kernel inheriting from the IPython Kernel. This Kernel initiates a child process, and I aim to manage this process' lifecycle independently of the Kernel's shutdown...

While I was able to install the ipykernel from main, when I tried to make a new kernel I ran into the following error: ``` .venv/lib64/python3.11/site-packages/ipykernel/kernelapp.py", line 734, in main...

This fixes jupyter-client's [test_signal_kernel_subprocesses](https://github.com/jupyter/jupyter_client/blob/19dbf1b69247a1cc14b5bb1e4e7523f5b52380ae/tests/test_kernelmanager.py#L197). `shell_is_blocking=True` is now set by default when executing code. A kernel running in async mode should override with `shell_is_blocking=False` and `shell_is_awaiting=True`.

bug

Apologies if this isn't the right place for this kind of feature request. As a Jupyter user, I would find it _incredibly_ helpful if there was an "undo" for kernels....

With the commit before the AnyIO PR on the `main` branch (830829fd) and using `ipython 8.23.0` and `matplotlib 3.8.4`, the displaying of Matplotlib plots in separate windows (e.g. with `qt`...

Hello, as follow-up on https://github.com/jupyter/notebook/issues/3397#issuecomment-419474214, here a minimal example that I expect to finish successfully when sent to the kernel by jupyter: ```py import asyncio print(asyncio.get_event_loop().run_until_complete(asyncio.sleep(0))) ``` It runs fine...

On windows `jupyter --paths` gives ```console jupyter --paths config: C:\tools\miniconda3\envs\pytorch\etc\jupyter C:\Users\Administrator\.jupyter C:\Users\Administrator\AppData\Roaming\Python\etc\jupyter C:\ProgramData\jupyter data: C:\tools\miniconda3\envs\pytorch\share\jupyter C:\Users\Administrator\AppData\Roaming\jupyter C:\Users\Administrator\AppData\Roaming\Python\share\jupyter C:\ProgramData\jupyter runtime: C:\Users\Administrator\AppData\Roaming\jupyter\runtime ``` And I'd like to use C:\ProgramData\jupyter to store kernelspecs...

`main` is currently targeting `ipykernel` 7.0, with support for [AnyIO](https://github.com/ipython/ipykernel/pull/1079). We have to address the following before releasing: - [x] `inprocess` tests are failing after #1079, and are currently skipped...

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