[IPython-dev] Runtime Console Using IPython

[Thomas Kluyver]

You set shell.user_ns after initialising the kernel (and hence the
InteractiveShell object). Try passing in the namespace as user_ns when you
instantiate the kernel.

Thomas

On 7 September 2014 18:00, Ivan Zhang <mirage007 at gmail.com> wrote:

> Thanks for the tips, I actually saw that as well while I was making this.
> My end goal for this tool is to facilitate remote access/monitoring of an
> application without requiring other users to install something while
> requiring minimal modification of the original application.
>
> 1.I actually think that's one of the keys to the notebook's success. So as
> the next step, I was interested in exploring how to make a watered down
> version of ipython's notebook that just had the web console part. Are there
> any examples of this sort?
>
> I tried looking at the notebookapp.py and it just seemed too daunting to
> dig through. On the other hand, I made a tiny example using
> BlockingKernelClient (
> https://github.com/mirage007/rtconsole/blob/master/rtclient.py)
>  to connect to an instance, but the messages i got back were very verbose.
>
> Lastly, as I mentioned in the post, there is an issue where I cannot
> define functions that uses variables that are supposedly already defined in
> the user namespace.
>
> i.e. in the ipython console, if i type:
>
> >>> hello = lambda x: t+ 5
>
> where t was defined in the original application locals()
>
> it would give me an error:
>
> "global name 't' is not defined"
>
> Any idea of how to resolve this?
>
> Thanks,
>
> -Ivan
>
> On Saturday, August 30, 2014, Fernando Perez <fperez.net at gmail.com> wrote:
>
>> Hi Ivan,
>>
>> On Sat, Aug 30, 2014 at 6:36 PM, Ivan Zhang <mirage007 at gmail.com> wrote:
>>
>>> Hi All,
>>>
>>> As a way to familiarize myself with IPython, I wrote a simple tool that
>>> allows an IPython Kernel to be run as part of a thread, effectively
>>> creating a way to remotely monitor and change the state of a running
>>> application in real time.
>>>
>>
>> Great! Thanks for sharing that... I'm sorry that I haven't looked at your
>> code in detail, but along those lines, I thought at least it would be
>> useful to point you to these examples:
>>
>> https://github.com/ipython/ipython/tree/master/examples/Embedding
>>
>> They illustrate how to embed a kernel in a process that may have its own
>> event loop (Qt and Wx provided), and how to connect to it from an external
>> Qt console, with both the Qt console and the GUI controls manipulating the
>> same namespace.
>>
>> It's a different take on the same kind of ideas, and you may find it
>> useful.
>>
>> Cheers
>>
>> f
>>
>
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