yea - there is. we should make it more obvious and less magical.
essentially, in the init we call setup_events, and then when
objects are updated on the server, those callbacks get triggered
I’m opening an issue to discuss this because I think the way we’re
doing it is not quite right.
https://github.com/ContinuumIO/bokeh/issues/988
On Mon 11 Aug 2014 06:24:41 PM EDT, [email protected] wrote:
Thanks for that Hugo. I don’t quite understand how that example works
- is the event loop in the server running constantly in the server
process? I can’t immediately pick out where the magic happens there.
On Saturday, 9 August 2014 21:04:11 UTC+10, Hugo Shi wrote:
yes the bokeh server does have it's own event loop,
please see:
[https://github.com/ContinuumIO/bokeh/blob/feature/sin_example/examples/app/applet/sin_example.py](https://github.com/ContinuumIO/bokeh/blob/feature/sin_example/examples/app/applet/sin_example.py)
<[https://github.com/ContinuumIO/bokeh/blob/feature/sin_example/examples/app/applet/sin_example.py](https://github.com/ContinuumIO/bokeh/blob/feature/sin_example/examples/app/applet/sin_example.py)>
Unfortunately that is currently on a branch, but it will get
merged to
master soon
On Thu 07 Aug 2014 09:46:53 PM EDT, [email protected] <javascript:> > > > wrote:
> Hi folks, I'm just starting to look at bokeh so apologies if this
> question is a touch naive, but is it possible / is there a good
> example of how to run the document update directly triggered by the
> event (i.e. is there a server-side event loop available), rather
than
> using a timer?
>
> Cheers,
> Chris.
>
>
> On Tuesday, 5 August 2014 06:53:31 UTC+10, Damian Avila wrote:
>
> Just to add a little bit to Karan comment... as Armen has
pointed
> out, you can install the devel release and the example will
work
> without any need to build all the js. The taylor example was
> recently updated in master to be compatible with the new layout
> system... however the last devel release include the new
system,
> so it has to work... ;-)
> The simplest option is to use the released version of Bokeh
0.5.1,
> but using the old example living here:
>
[https://github.com/ContinuumIO/bokeh/blob/0.5.1/examples/glyphs/taylor_server.py](https://github.com/ContinuumIO/bokeh/blob/0.5.1/examples/glyphs/taylor_server.py)
<[https://github.com/ContinuumIO/bokeh/blob/0.5.1/examples/glyphs/taylor_server.py](https://github.com/ContinuumIO/bokeh/blob/0.5.1/examples/glyphs/taylor_server.py)>
>
<[https://github.com/ContinuumIO/bokeh/blob/0.5.1/examples/glyphs/taylor_server.py](https://github.com/ContinuumIO/bokeh/blob/0.5.1/examples/glyphs/taylor_server.py)
<[https://github.com/ContinuumIO/bokeh/blob/0.5.1/examples/glyphs/taylor_server.py](https://github.com/ContinuumIO/bokeh/blob/0.5.1/examples/glyphs/taylor_server.py)>>
>
> Hope it helps.
>
> Damian
>
>
> On Mon, Aug 4, 2014 at 4:30 PM, Karan Dodia > > > <[email protected] > > > > <javascript:>> wrote:
>
> Hello Josh,
>
> Yes, this is indeed currently possible with Bokeh. In fact,
> you might find most, if not all, of the logic required is
> written in the taylor_server.py
>
<[https://github.com/ContinuumIO/bokeh/blob/master/examples/glyphs/taylor_server.py](https://github.com/ContinuumIO/bokeh/blob/master/examples/glyphs/taylor_server.py)
<[https://github.com/ContinuumIO/bokeh/blob/master/examples/glyphs/taylor_server.py](https://github.com/ContinuumIO/bokeh/blob/master/examples/glyphs/taylor_server.py)>>
example,
> as Armen pointed out (thanks!)
>
> Here's what that looks like at the moment:
>
> Inline image 1
>
> You will probably have the most success if you install
Bokeh
> from source (and with the --build-js flag; see Installation
> For Developers
>
<[http://bokeh.pydata.org/docs/dev_guide.html#installation-for-developers](http://bokeh.pydata.org/docs/dev_guide.html#installation-for-developers)
<[http://bokeh.pydata.org/docs/dev_guide.html#installation-for-developers](http://bokeh.pydata.org/docs/dev_guide.html#installation-for-developers)>>).
> As always, feedback is highly appreciated!
>
> Regards,
>
> Karan
>
>
> On Mon, Aug 4, 2014 at 2:08 PM, Armen Alexanian > > > > <[email protected] <javascript:>> wrote:
>
> Hi Josh,
>
> I'm also very new to Bokeh, however, there's an
example on
> this page: [http://continuum.io/blog/bokeh-0.5](http://continuum.io/blog/bokeh-0.5)
<[http://continuum.io/blog/bokeh-0.5](http://continuum.io/blog/bokeh-0.5)>
> <[http://continuum.io/blog/bokeh-0.5](http://continuum.io/blog/bokeh-0.5)
<[http://continuum.io/blog/bokeh-0.5](http://continuum.io/blog/bokeh-0.5)>> that sounds somewhat
> like what you're talking about. Scroll down the page
> under the sub heading "Widgets". It should be the
middle
> one below the sub heading. I actually got that one to
> work today, but you have to install Bokeh server and
have
> it running. If you're using the Anaconda version of
> Python, just go to a command prompt and type in:
> bokeh-server --backend=memory. Make sure you have the
> latest version of Bokeh by going to a command prompt
and
> typing in "conda install -c
> [http://conda.binstar.org/bokeh/channel/dev](http://conda.binstar.org/bokeh/channel/dev)
<[http://conda.binstar.org/bokeh/channel/dev](http://conda.binstar.org/bokeh/channel/dev)>
> <[http://conda.binstar.org/bokeh/channel/dev](http://conda.binstar.org/bokeh/channel/dev)
<[http://conda.binstar.org/bokeh/channel/dev](http://conda.binstar.org/bokeh/channel/dev)>> bokeh".
>
> I'm still very new to this but I wanted to give you
a head
> start. The more advanced folks who are developing
it now
> can give you more precise instructions.
>
> Cheers,
> Armen
>
>
>
> On Mon, Aug 4, 2014 at 12:00 PM, Josh Wasserstein > > > > <[email protected] <javascript:>> wrote:
>
> Hi,
>
> I am new to Bokeh. Congrats on this fantastic
project!
>
> I am hoping to create an extremely simple web
app that
> will hopefully be the basis for something bigger
later.
>
> Initially, it would have:
> * A plot
> * A slider
> * A submit button
>
> The plot would for example show sin(f*x), the
slider
> would control/update the value f (the
"frequency" of
> the signal the plot). The submit button would
simply
> run server-side code in Python that would record
the
> value in the slider to a text file.
>
> Is this at all possible in Bokeh?
>
> Thanks!
>
> Josh
>
>
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