[IPython-dev] Automatically saving notebooks as scripts has been removed

[Brian Granger]

I agree with @minrk that the old `--script` is not something we want
to bring back and that we should figure out a good way of having that
particular conversion done in the notebook UI.

On Wed, Aug 6, 2014 at 2:08 PM, MinRK <benjaminrk at gmail.com> wrote:
> The main reason it is removed is that nbformat had a notion of ‘save as
> .py’, which is removed in IPython 3.0 because this functionality has moved
> to nbconvert in IPython 1.0. We could, of course, let the appropriate
> nbconvert --to python call be implied by --script instead of the removed
> Python API, but I don’t think --script was a good idea in the first place.
>
> So it’s not a question of whether to use nbconvert or not - you have to use
> nbconvert to get .py files from .ipynb. It’s just a question of whether you
> can automatically use nbconvert on save via --script. I think if we want to
> support this kind of thing, more generic save/rename hooks are better than a
> single special-case flag.
>
> -MinRK
>
>
>
> On Mon, Aug 4, 2014 at 2:39 PM, Filipe Pires Alvarenga Fernandes
> <ocefpaf at gmail.com> wrote:
>>
>> Got it.  Thanks for looking into this.
>>
>>
>>
>> On Mon, Aug 4, 2014 at 6:18 PM, Thomas Kluyver <takowl at gmail.com> wrote:
>>>
>>> I think we may have been a bit too hasty in getting rid of that. We've
>>> been talking about it for a while amongst ourselves, because it doesn't fit
>>> terribly neatly into our infrastructure, but we didn't formally deprecate
>>> it, and I don't think the alternative approaches are quite as convenient
>>> yet.
>>>
>>> I've put this in the agenda for the dev meeting on Thursday.
>>>
>>> Thanks,
>>> Thomas
>>>
>>>
>>> On 4 August 2014 12:55, Filipe Pires Alvarenga Fernandes
>>> <ocefpaf at gmail.com> wrote:
>>>>
>>>> Hello IPython devs,
>>>>
>>>> I was trying the latest github checkout of the IPython source and got
>>>> the following message:
>>>>
>>>> Automatically saving notebooks as scripts has been removed.
>>>> Use `ipython nbconvert --to python [notebook]` instead.
>>>>
>>>> I am wondering why this had to be removed.  Security?
>>>>
>>>> I find the automatic script saving very helpful.  My work-group usually
>>>> commits the `.ipynb` and the `.py` side-by-side to obtain a better diff.  I
>>>> know that we can workaround this with nbconvert, but doing that manually is
>>>> error prone, and having a script to do that will add another layer of
>>>> complexity that we did not have with the automatic conversion.
>>>>
>>>> Well, if the automatic conversion had to go I understand, but if there
>>>> is no reason can you guys consider leaving it there?
>>>>
>>>> Thanks,
>>>>
>>>> -Filipe
>>>>
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>>
>>
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-- 
Brian E. Granger
Cal Poly State University, San Luis Obispo
@ellisonbg on Twitter and GitHub
bgranger at calpoly.edu and ellisonbg at gmail.com