You cannot call Python functions on the server from Javascript code running
in the browser. The following line:
{{getimage=retimage()}}
will be called exactly once on the server *before *the HTML page is ever
sent to the browser, and it will not result in anything being written into
the Javascript code (if you look at the page source in the browser, you
will see nothing there).
If you need to retrieve images from the server without reloading the page,
you must use Ajax.
Anthony
On Monday, June 13, 2016 at 5:30:47 AM UTC-4, Emmanuel Dsouza wrote:
>
> CONTROLLER:
>
> def retimage():
>
> k=["URL('static','images/1.jpg')","URL('static','images/2.jpg')","URL('static','images/3.jpg')"]
> from random import randint
> i=randint(0,2)
> return k[i]
> def index():
> return locals()
>
> VIEW:
>
> {{extend 'layout.html'}}
> <script>
> window.setInterval(function(){
> {{getimage=retimage()}}
> document.body.background = url("{{=getimage}}");
> }, 5000);
> </script>
>
>
>
> How should I correct this?
>
--
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- http://web2py.com/book (Documentation)
- http://github.com/web2py/web2py (Source code)
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