nbdime and Notebook menu (bundler?) options - diff between current notebook and checkpointed version

[Tony Hirst]

Having just come across support for custom bundler extensions (not sure I get what "deploy" links are for?) and put together an extension that downloads the ipynb and html versions of a notebook in the same zip package) I wondered whether that mechanism could be used to launch an nbdime instance that would do a diff between the current version of the notebook and the checkpointed version (perhaps using handler.redirect(redirect_link) to launch a link from nbdime mynotebook.ipynb mynotebook.checkpointed.ipynb ).

So I was wondering - how do I get the absolute path to a checkpointed version of the current file, and can I get hold of a URL from nbdime. (I also need to keep track of port numbers - I'm running services inside a vagrant provisioned VM with portforwarding in place, so need to know/set the nbdime port)

--tony

[Tony Hirst]

Note to self on the above - could we do a "track changes" nbextension toolbar button or some other menu extension, to implement track changes between current notebook and checkpointed version, closing current notebook and opening a new tracked changes notebook, and/or maybe using styling ideas from nbconvert?

[Vidar Tonaas Fauske]

I cannot really help you with the other bits, but for nbdime you can
set the port/ip of nbdime with arguments to the command (`--ip` and
`--port`). You should be able to make the URL deterministic that way.


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