Re: [hoomd-users] How to set the log level to control the output from external calling, like packmol

[Joshua Anderson]

Ren,

I am not aware of any way that code in HOOMD-blue could change the destination of output written by another process. Some other change, such as a jupyter or packmol version update, must account for the new behavior.

By default, HOOMD-blue writes its output to the python streams sys.stdout and sys.stderr which Jupyter captures and displays in the notebook web interface. This has not changed since v2.0 or earlier.
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Joshua A. Anderson, Ph.D.
Research Area Specialist, Chemical Engineering, University of Michigan

> On Nov 6, 2021, at 10:10 PM, ren hua <ren...@gmail.com> wrote:
>
> Hi,
> It's found there are differences of output in jupyter lab between Hoomd beta-6 and beta-8, when calling packmol from Hoomd script, in beta-6, the output of packmol will not be displayed in jupyter lab, but in beta-8, the output of packmol will be displayed in jupyter lab, what leads to such difference, and how to set the log level, so that the packmol output will not be displayed.
>
> Please see the output of beta-8 as attached.
>
> Thank you very much.
> Best Regards
> Ren Hua
>
>
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> <beta-8.png>