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@larssp larssp commented Mar 11, 2021

This defines the environment variables JUPYTER_CONFIG_DIR and JUPYTER_CONFIG_PATH which are described here.

They are set to %WINPYDIR%\etc\jupyter with this PR.

On Windows Jupyter searches for configuration files in %PROGRAMDATA%\jupyter\ and C:\Users\Username\.jupyter first, if the variables above are not defined. If one also has a "regular" Jupyter installation using these directories, the winpython environment may load configuration files from these locations and cause issues.
Apart from that, the winpython environment might place files here, which affects portability.

In my USB drive installation of winpython I also created an empty file in
%WINPYDIR%\etc\jupyter\jupyter_notebook_config.py
but I am not certain this is necessary. This will cause Jupyter to "find" a configuration file and not search any further.

Calling jupyter --paths will still list directories on C:, but at the end of the search queue.

Define the environment variables JUPYTER_CONFIG_DIR and JUPYTER_CONFIG_PATH. 
Otherwise, this will default to C:\Users\...\.jupyter, which may exist
@larssp
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larssp commented Mar 12, 2021

I guess, #916 is related.
Is %WINPYDIR%\etc\jupyter the right place? In previous releases jupyter_notebook_config.py was located in %WINPYDIR%\settings\.jupyter.

@stonebig
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ok, let see what it gives. thanks for the analysis and code.

@stonebig stonebig merged commit 359c30e into winpython:master Mar 12, 2021
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2 participants