[IPython-User] html notebook js-python interaction

Matthias BUSSONNIER bussonniermatthias@gmail....
Thu Sep 20 09:17:08 CDT 2012


Le 20 sept. 2012 à 15:53, Vincent Schut a écrit :

> Hi,
> 
> I'm trying to get js-python interaction in the html notebook working 
> (read: kernel.execute(pyfunc, callbacks), callbacks alter the current 
> notebook output).
> 
> I found this gist: https://gist.github.com/2605662 that should basically 
> do what I want, however, I cannot get it to work. If I load it (firefox 
> 15.0.1, ipython 0.13), I get no plot, the sliders are locked, and the 
> javascript console sais 'TypeError: kernel is null'.
> I also tried with current 0.14, gives the same (output: Error rendering 
> Markdown! TypeError: kernel is null)

Hi Vincent,

You need to re-execute **every** cell, meaning editing each markdown cell that contain JS (even without making a change)
And run them again. 

On 0.14 it Works™ 

Have fun.
-- 
Matthias



> 
> 
> Background: I would like to have my objects dynamically create and alter 
> a html/js gui by using js <-> python interaction (I'm quite excited that 
> this should be possible!)
> 
> 
> Could anyone give me a hint on how to get this flot notebook running, or 
> give me a basic example of changing the cell output as result from a 
> kernel.execute call?
> 
> 
> Best,
> Vincent.
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