[IPython-User] Untitled notebooks

Zoltán Vörös zvoros@gmail....
Tue Jan 24 15:39:00 CST 2012


Hi Brian,

Thanks for the comments! Fair enough!
Cheers,
Zoltán

On 01/24/2012 10:32 PM, Brian Granger wrote:
> Hi,
>
>> I have noticed that whenever I try to create a new notebook, the
>> notebook is written to disk immediately, even if I don't ask ipython to
>> do that. This has the undesired effect that, if I close this project
>> without saving it, and then creating a new one, well, a new one will be
>> created. So, very soon, I have Untitled0 to Untitled22, while I didn't
>> want to save anything. (The situation that I refer to here is when I use
>> these notebooks as a scratch paper, for a quick calculation, which
>> should not be preserved.) My question is whether this is the intended
>> behaviour. If not, is this something that could be changed?
> This is by design.  There are a couple of reasons for this:
>
> * If makes it easier to ensure that Untitled notebooks have unique
> names and notebooks IDs.
> * In the long run we will move in the direction of automatically
> saving and version control.  In that context, you want to make sure
> that the notebook is always persisted to disk, even if the user hasn't
> asked for that to happen yet.
> * We want to force users to be explicit about deleting notebooks.
> * It simplifies the implementation on a number of fronts.
> * The second a notebook is opened, the server needs to track it,
> because a kernel has to be started for it.  It is not really possible
> for there to be a notebook that the server is unaware of.  We use the
> notebook as a handle on the kernel.
>
> Cheers,
>
> Brian


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