[IPython-dev] is it possible to pass parameters to IPython notebook via URL?

Tue May 13 14:58:49 EDT 2014

You could parse JSON from a URL parameter:

    #parameter={'one':'two','three':'four'}

-- 
Wes Turner

On Tue, May 13, 2014 at 5:39 AM, Clyde Fare <clyde.fare at gmail.com> wrote:

> "since python logic code will be in javascript files."
>
> You can leave the python as a .py file and load it as text before passing
> it to the kernel:
>
>  $.get('/static/custom/my_file.py', function(python_code){
> ...
> kernel.execute(python_code, callbacks)
> }
>
>
> Which can then be passed to the kernel.
>
>
> On 12 May 2014 21:48, John Gill <jgill at tokiomillennium.com> wrote:
>
>>  You can also use pythonnet to embed python in .NET
>>
>>
>>
>> *From:* ipython-dev-bounces at scipy.org [mailto:
>> ipython-dev-bounces at scipy.org] *On Behalf Of *Roman Max.
>> *Sent:* Monday, May 12, 2014 4:18 PM
>>
>> *To:* IPython developers list
>> *Subject:* Re: [IPython-dev] is it possible to pass parameters to
>> IPython notebook via URL?
>>
>>
>>
>> Hi, John,
>>
>>
>>
>> thanks for the suggestion, will have a look into the project. Although my
>> use case assumes interaction the other way -- from .NET to Python.
>>  ------------------------------
>>
>> From: jgill at tokiomillennium.com
>> To: ipython-dev at scipy.org
>> Date: Mon, 12 May 2014 13:14:23 +0000
>> Subject: Re: [IPython-dev] is it possible to pass parameters to IPython
>> notebook via URL?
>>
>> If you are working with python and .NET you should take a look at
>> pythonnet:
>>
>>
>>
>> https://github.com/pythonnet/pythonnet
>>
>>
>>
>> It allows you to work seamlessly with .NET objects from python.
>>
>>
>>
>> John
>>
>>
>>
>> *From:* ipython-dev-bounces at scipy.org [mailto:
>> ipython-dev-bounces at scipy.org] *On Behalf Of *Roman Max.
>> *Sent:* Sunday, May 11, 2014 3:51 AM
>> *To:* IPython developers list
>> *Subject:* Re: [IPython-dev] is it possible to pass parameters to
>> IPython notebook via URL?
>>
>>
>>
>> Many thanks for following up on this thread. I would like to use IPython
>> notebook to perform and present some analytics in a .NET application. I've
>> got a CefSharp (chrome) component integrated and can display notebook's
>> output. Now trying to figure out how to pass parameters, so notebook
>> calculates some analytics per selected object. E.g. depending on a selected
>> object .NET prepares a CSV data input file, then the path of this file
>> would need to be passed to an IPython notebook for further processing.
>>
>> After looking at your Singlecell.py code I think I start to understand
>> where you are heading with giving hints with respect to JavaScript.
>> Essentially .NET app could prepare HTML/Javascrpit part each time a new
>> object is selected and pass it then over to IPython kernel for execution?
>> Porbably will work, just doesn't look so clean, since python logic code
>> will be in javascript files.
>>
>>
>>
>> would be still nice to have a way to communicate with the IPython only
>> via URL, as not always client side presentation part(Javascript) can be
>> involved.
>>
>>
>>
>> RM
>>
>>
>>  ------------------------------
>>
>> From: benjaminrk at gmail.com
>> Date: Fri, 9 May 2014 13:43:07 -0700
>> To: ipython-dev at scipy.org
>> Subject: Re: [IPython-dev] is it possible to pass parameters to IPython
>> notebook via URL?
>>
>> On Fri, May 9, 2014 at 1:25 PM, Roman Max. <rmx555 at hotmail.com> wrote:
>>
>>
>>
>> OK, thanks for clarifying it once again. Javascript API means user needs
>> to interact with the page once it's already loaded?
>>
>>
>>
>> Yes. Or you can add custom javascript to the page to take action based on
>> the parameters once the page is loaded. But again, I wouldn’t recommend
>> doing this, because it may conflict with server changes in the future. If
>> you go this route, I would suggest using # instead of ?, since it would
>> really be client-side only information.
>>
>>
>>
>>
>>
>> do you plan for such an enhancement (passing parameters via URL to
>> notebooks)?
>>
>>
>>
>> No. The HTML/Javascript context of the page and notebook server are
>> strongly decoupled from the Python environment of the Kernel. We have no
>> plan to change this.
>>
>>
>>
>> or which class would I need to modify to implement support for this?
>>
>>
>>
>> At least a few:
>>
>>    - the NotebookHandler, which renders the notebook page, which will
>>    receive the URL with parameters, but is not the URL that starts the kernel.
>>    - the KernelManager, which starts the kernel, which would need to be
>>    told about these parameters
>>    - possibly the Kernel itself, for taking the actual actions you wish
>>    these parameters to imply in the kernel process.
>>
>> Depending on how much javascript you customize, there are probably a few
>> combinations of classes to modify.
>>
>> Can we back up a bit, and ask what you want to accomplish by passing
>> these parameters? There may be a simpler solution than subclassing the
>> entire notebook server.
>>
>> -MinRK
>>
>>
>>    ------------------------------
>>
>> From: benjaminrk at gmail.com
>> Date: Thu, 8 May 2014 16:03:15 -0700
>>
>>
>> To: ipython-dev at scipy.org
>> Subject: Re: [IPython-dev] is it possible to pass parameters to IPython
>> notebook via URL?
>>
>>
>>
>>
>>
>> On Thu, May 8, 2014 at 11:51 AM, Roman Max. <rmx555 at hotmail.com> wrote:
>>
>> Many thanks for the reply, I see. Indeed I am looking for a way to pass
>> parameters to the Python code on the kernel, e.g. .NET app calling out a
>> notebook with parameters and displaying output.
>>
>> So, essentially the notebook server doesn't support this sort of
>> interaction at the moment? I assume I could do it by cloning and modifying
>> .ipynb template file before each request, still hoping there is a better
>> way than that.
>>
>>
>>
>> No, the server definitely doesn't support URLs affecting the kernel. If
>> you want to execute code on the Kernel, you would do this via the
>> Javascript APIs.
>>
>>
>>
>> -MinRK
>>
>>
>>
>>
>>
>>
>>  ------------------------------
>>
>> From: benjaminrk at gmail.com
>> Date: Thu, 8 May 2014 10:47:16 -0700
>> To: ipython-dev at scipy.org
>> Subject: Re: [IPython-dev] is it possible to pass parameters to IPython
>> notebook via URL?
>>
>>
>>
>> You can do this, but I wouldn't recommend it. The parameters will only be
>> available to the HTML/JS in the notebook page, and not the Python code on
>> the kernel.  Plus, there is a chance that it would conflict with any future
>> use of url parameters by the notebook server.
>>
>>
>>
>> -MinRK
>>
>>
>>
>> On Thu, May 8, 2014 at 10:11 AM, Roman Max. <rmx555 at hotmail.com> wrote:
>>
>> is it possible to pass parameters to IPython notebook via URL?
>>
>> How to reference/use those parameters in a notebook?
>>
>> e.g. http://xxxyyzz.org:8888/mynotebook.ipynb*?d1=20140101&d2=20140401*
>>
>>
>>
>> Did not find an answer after searching around. Thanks!
>>
>>
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