Opening plain Python in Jupyter's default text edit, not as 'light script'?

[dumbledad]

Is it possible to configure Jupytext so that plain Python files do not open in 'light script' view but in Jupyter's default editor (for text files)?

[mwouts]

Hi @dumbledad , yes this is possible. In your Jupyter configuration file, you could set

c.NotebookApp.contents_manager_class = "jupytext.TextFileContentsManager"
c.ContentsManager.notebook_extensions = "ipynb,md"

and then Jupyter will only open .ipynb and .md files as notebooks by default. However, you won't be able to open .py files as notebooks at all. Paired notebooks will continue to work.

Note that you might also be interested in the "edit trick" documented at #183.

[dumbledad]

Thanks @mwouts. Just to be clear a 'percent Script' Python file that was paired to a ipynb file on a colleague's machine and pushed to a remote Git repository will open on my machine in Jupyter as a notebook, i.e. the paired ipynb file will be recreated?

[mwouts]

You're welcome.

Well, if py is not in the notebook extensions you won't be able to open .py files as notebooks - still, what you can do is to recreate the .ipynb paired file with jupytext --sync, and then open that file.

Also, from your question I think you are using Jupyter Notebook. If switching to Jupyter Lab is an option, maybe you could consider that. In Jupyter Lab the user experience is a bit closer to what you are looking for: by default text files are edited with the "editor" window, and you get the notebook view only if you right click and select "open with notebook".