[IPython-dev] generating input cells dynamically

Zoltán Vörös zvoros at gmail.com
Fri Mar 21 15:21:38 EDT 2014

Hi Thomas,

On 21/03/14 18:56, Thomas Kluyver wrote:
> Hi Zoltán,
> On 21 March 2014 10:00, Zoltán Vörös <zvoros at gmail.com 
> <mailto:zvoros at gmail.com>> wrote:
>     I have a project, where I would have to plot hundreds of data
>     sets, and for various reasons, I would like to place each plot in
>     separate cell in the notebook. Is there a way to do this
>     automatically? I know what the input cells should contain, it is
>     only that I don't want to execute each cell by hand, for each plot
>     takes 1-2 minutes to calculate. The only thing I could come up
>     with for now is that I generate a notebook with the required cells
>     on the command line, load the notebook in the browser, and then
>     hit "Run All", but it would be great, if it was possible in a
>     somewhat more elegant way. 
> Once you've generated the notebook, you could use runipy to run it 
> without having to go through the noteboko UI: 
> https://github.com/paulgb/runipy/

Thanks a lot! This is a very interesting project, and very new, too. 
Indeed, had I asked the question yesterday, you wouldn't have been able 
to point to this repository:) But I definitely foresee myself using this 
a lot.

In the meantime, I have been trying to generate the code in the notebook 
itself. I believe, this (or something very similar) should work:


for(var i=0; i < 3; i++) {
     var cell = IPython.notebook.get_selected_cell()
     cell.set_text('plot(' + i + '*sin(x))')

Now, the four cells are created (it should be 3, but what the heck!), 
and inserted in the notebook, yet, only 'plot(2*sin(x))' is displayed, 
and only in the first cell. Is this the intended behaviour?


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