GNU bug report logs - #30921
Jupyter uses the wrong Python.

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Package: guix; Reported by: Fis Trivial <ybbs.daans@HIDDEN>; dated Sat, 24 Mar 2018 06:57:01 UTC; Maintainer for guix is bug-guix@HIDDEN.

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From: ludo@HIDDEN (Ludovic =?utf-8?Q?Court=C3=A8s?=)
To: Konrad Hinsen <konrad.hinsen@HIDDEN>
Subject: Re: bug#30921: Jupyter uses the wrong Python.
References: <MWHPR16MB0063380D4363DE9E6266914D92AF0@HIDDEN>
 <87tvt5ixmc.fsf@HIDDEN>
 <m1370o7aus.fsf@HIDDEN>
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Konrad Hinsen <konrad.hinsen@HIDDEN> skribis:

> ludo@HIDDEN (Ludovic Court=C3=A8s) writes:
>
>>> Yes. Installed kernels are normally under $prefix/share/jupyter/kernels.
>>> A standard installation of Jupyter via PyPI also installs a kernel for
>>> the same Python interpreter that is used for Jupyter. Additional kernels
>>> can then be installed afterwards.
>>
>> So my understanding is that there=E2=80=99s no bug on our side, right?
>
> That depends on what you call a bug.
>
> The current behavior of the Guix package for Jupyter is not in conflict
> with any written documentation for Jupyter, but does not respect a
> convention that standard installations (via pip, for example) do
> respect. This convention says that the default Python kernel for Jupyter
> uses the same Python installation as Jupyter itself.

Oh, got it.

> I'd vote for respecting this convention, and I'd be happy to work on an
> implementation, but don't count on me for this before August.

Alright, we=E2=80=99ll see!

Thanks for the explanation,
Ludo=E2=80=99.




Information forwarded to bug-guix@HIDDEN:
bug#30921; Package guix. Full text available.

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From: Konrad Hinsen <konrad.hinsen@HIDDEN>
To: Ludovic =?utf-8?Q?Court=C3=A8s?= <ludo@HIDDEN>
Subject: Re: bug#30921: Jupyter uses the wrong Python.
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ludo@HIDDEN (Ludovic Court=C3=A8s) writes:

>> Yes. Installed kernels are normally under $prefix/share/jupyter/kernels.
>> A standard installation of Jupyter via PyPI also installs a kernel for
>> the same Python interpreter that is used for Jupyter. Additional kernels
>> can then be installed afterwards.
>
> So my understanding is that there=E2=80=99s no bug on our side, right?

That depends on what you call a bug.

The current behavior of the Guix package for Jupyter is not in conflict
with any written documentation for Jupyter, but does not respect a
convention that standard installations (via pip, for example) do
respect. This convention says that the default Python kernel for Jupyter
uses the same Python installation as Jupyter itself.

I'd vote for respecting this convention, and I'd be happy to work on an
implementation, but don't count on me for this before August.

Konrad.




Information forwarded to bug-guix@HIDDEN:
bug#30921; Package guix. Full text available.

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From: ludo@HIDDEN (Ludovic =?utf-8?Q?Court=C3=A8s?=)
To: Konrad Hinsen <konrad.hinsen@HIDDEN>
Subject: Re: bug#30921: Jupyter uses the wrong Python.
References: <MWHPR16MB0063380D4363DE9E6266914D92AF0@HIDDEN>
 <87tvt5ixmc.fsf@HIDDEN>
 <m1370o7aus.fsf@HIDDEN>
Date: Mon, 02 Jul 2018 15:06:49 +0200
In-Reply-To: <m1370o7aus.fsf@HIDDEN> (Konrad
 Hinsen's message of "Sun, 25 Mar 2018 11:39:23 +0200")
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Hello,

Konrad Hinsen <konrad.hinsen@HIDDEN> skribis:

> Ricardo Wurmus <rekado@HIDDEN> writes:
>
>> I wonder if that=E2=80=99s by design.  As far as I understand Jupyter ca=
n be
>> used with many different kernels, including different versions of
>> Python.  This means that we may not limit it to just a single version of
>> Python at build time.
>>
>> Is this correct?
>
> Yes. Installed kernels are normally under $prefix/share/jupyter/kernels.
> A standard installation of Jupyter via PyPI also installs a kernel for
> the same Python interpreter that is used for Jupyter. Additional kernels
> can then be installed afterwards.

So my understanding is that there=E2=80=99s no bug on our side, right?

Thanks,
Ludo=E2=80=99.




Information forwarded to bug-guix@HIDDEN:
bug#30921; Package guix. Full text available.

Message received at 30921 <at> debbugs.gnu.org:


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From: Konrad Hinsen <konrad.hinsen@HIDDEN>
To: Ricardo Wurmus <rekado@HIDDEN>, Fis Trivial <ybbs.daans@HIDDEN>
Subject: Re: bug#30921: Jupyter uses the wrong Python.
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Ricardo Wurmus <rekado@HIDDEN> writes:

> I wonder if that=E2=80=99s by design.  As far as I understand Jupyter can=
 be
> used with many different kernels, including different versions of
> Python.  This means that we may not limit it to just a single version of
> Python at build time.
>
> Is this correct?

Yes. Installed kernels are normally under $prefix/share/jupyter/kernels.
A standard installation of Jupyter via PyPI also installs a kernel for
the same Python interpreter that is used for Jupyter. Additional kernels
can then be installed afterwards.


Fis Trivial <ybbs.daans@HIDDEN> writes:

> Actually the only command I know about jupyter is how to open a
> notebook :) . But it asks me to restart the kernel again and again in
> browser. And according to the console, it seems that jupyter couldn't

You could run

   jupyter kernelspec list

to see which kernels Jupyter actually uses.

Konrad.




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bug#30921; Package guix. Full text available.

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Fis Trivial <ybbs.daans@HIDDEN> writes:

> When running jupyter, it seems that the python in "/usr/bin/python"
> instead of the one in store is used. Here is the complete logging of
> jupyter console output, notice those line in the middle, where displaying=
:
> "/usr/bin/python: No module named ipykernel_launcher"

I wonder if that=E2=80=99s by design.  As far as I understand Jupyter can b=
e
used with many different kernels, including different versions of
Python.  This means that we may not limit it to just a single version of
Python at build time.

Is this correct?

I do agree, though, that the default doesn=E2=80=99t seem right.  As long a=
s a
user can override the kernel to use a different Python than the one we
configured at build time, I think we should default to the current
version of Python in Guix.

--
Ricardo

GPG: BCA6 89B6 3655 3801 C3C6  2150 197A 5888 235F ACAC
https://elephly.net






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From: Fis Trivial <ybbs.daans@HIDDEN>
To: "bug-guix@HIDDEN" <bug-guix@HIDDEN>
Subject: Jupyter uses the wrong Python.
Thread-Topic: Jupyter uses the wrong Python.
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When running jupyter, it seems that the python in "/usr/bin/python"
instead of the one in store is used. Here is the complete logging of
jupyter console output, notice those line in the middle, where displaying:
"/usr/bin/python: No module named ipykernel_launcher"

--
/gnu/store/k2y0d2rp57pnl90lxqgs5i7ywywrn456-python-traitlets-4.2.0/lib/pyth=
on3.6/site-packages/traitlets/config/configurable.py:74: RuntimeWarning: Pa=
ssing unrecoginized arguments to super(ConfigManager).__init__(config_dir=
=3D'/home/fis/.jupyter/nbconfig').
object.__init__() takes no parameters
This error will be raised in a future release of traitlets.
  super(Configurable, self).__init__(**kwargs)
[I 14:48:57.236 NotebookApp] Serving notebooks from local directory: /home/=
fis/Others/git-repos/machine-learning/AIMA/aima-python
[I 14:48:57.237 NotebookApp] 0 active kernels=20
[I 14:48:57.237 NotebookApp] The Jupyter Notebook is running at: http://loc=
alhost:8888/
[I 14:48:57.237 NotebookApp] Use Control-C to stop this server and shut dow=
n all kernels (twice to skip confirmation).
[W 14:49:11.606 NotebookApp] Notebook mdp.ipynb is not trusted
[W 14:49:11.638 NotebookApp] 404 GET /nbextensions/widgets/notebook/js/exte=
nsion.js?v=3D20180324144856 (::1) 5.27ms referer=3Dhttp://localhost:8888/no=
tebooks/mdp.ipynb
[W 14:49:11.919 NotebookApp] Deprecated files/ URL: files/images/mdp-a.png
[I 14:49:11.920 NotebookApp] 302 GET /notebooks/files/images/mdp-a.png (::1=
) 1.02ms
[I 14:49:12.687 NotebookApp] 302 GET /notebooks/images/grid_mdp.jpg (::1) 0=
.90ms
[I 14:49:12.689 NotebookApp] 302 GET /notebooks/images/grid_mdp_agent.jpg (=
::1) 0.88ms
[I 14:49:12.955 NotebookApp] 302 GET /notebooks/images/-0.04.jpg (::1) 0.87=
ms
[I 14:49:13.023 NotebookApp] 302 GET /notebooks/images/-0.4.jpg (::1) 0.89m=
s
[I 14:49:13.124 NotebookApp] 302 GET /notebooks/images/-4.jpg (::1) 0.89ms
[I 14:49:13.210 NotebookApp] 302 GET /notebooks/images/4.jpg (::1) 0.91ms
[I 14:49:13.264 NotebookApp] 302 GET /notebooks/images/ge0.jpg (::1) 0.89ms
[I 14:49:13.265 NotebookApp] 302 GET /notebooks/images/ge1.jpg (::1) 0.80ms
[I 14:49:13.266 NotebookApp] 302 GET /notebooks/images/ge4.jpg (::1) 0.77ms
[I 14:49:13.267 NotebookApp] 302 GET /notebooks/images/ge2.jpg (::1) 0.77ms
[I 14:49:13.298 NotebookApp] Kernel started: 9d5e4be9-15e1-488d-b1a2-408c22=
9eb83c
/usr/bin/python: No module named ipykernel_launcher
[W 14:49:13.386 NotebookApp] 404 GET /static/components/MathJax/jax/element=
/mml/optable/BasicLatin.js?rev=3D2.6.0 (::1) 1.79ms referer=3Dhttp://localh=
ost:8888/notebooks/mdp.ipynb
[I 14:49:16.299 NotebookApp] KernelRestarter: restarting kernel (1/5)
/usr/bin/python: No module named ipykernel_launcher
[I 14:49:19.305 NotebookApp] KernelRestarter: restarting kernel (2/5)
/usr/bin/python: No module named ipykernel_launcher
[I 14:49:22.314 NotebookApp] KernelRestarter: restarting kernel (3/5)
/usr/bin/python: No module named ipykernel_launcher
[W 14:49:23.474 NotebookApp] Timeout waiting for kernel_info reply from 9d5=
e4be9-15e1-488d-b1a2-408c229eb83c
[I 14:49:25.324 NotebookApp] KernelRestarter: restarting kernel (4/5)
WARNING:root:kernel 9d5e4be9-15e1-488d-b1a2-408c229eb83c restarted
/usr/bin/python: No module named ipykernel_launcher
[W 14:49:28.337 NotebookApp] KernelRestarter: restart failed
[W 14:49:28.337 NotebookApp] Kernel 9d5e4be9-15e1-488d-b1a2-408c229eb83c di=
ed, removing from map.
ERROR:root:kernel 9d5e4be9-15e1-488d-b1a2-408c229eb83c restarted failed!
[W 14:49:28.359 NotebookApp] Kernel deleted before session
[W 14:49:28.360 NotebookApp] 410 DELETE /api/sessions/d6e551c2-84d2-4de4-bb=
25-1db37e4763c4 (::1) 1.22ms referer=3Dhttp://localhost:8888/notebooks/mdp.=
ipynb
--


I'm currently running guix on top of fedora 27 x86_64, for guix version:
$ guix --version

guix (GNU Guix) 282e48eae92b1988fc7fddbf206030ccf1623728
Copyright (C) 2018 the Guix authors
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.htm=
l>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.




Acknowledgement sent to Fis Trivial <ybbs.daans@HIDDEN>:
New bug report received and forwarded. Copy sent to bug-guix@HIDDEN. Full text available.
Report forwarded to bug-guix@HIDDEN:
bug#30921; Package guix. Full text available.
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