[Twisted-web] Error chanel in Nevow.Athena

Juanjo Conti jjconti at gmail.com
Mon Jul 20 10:33:45 EDT 2009

2009/7/19 Glyph Lefkowitz <glyph at divmod.com>:
> On Sun, Jul 19, 2009 at 6:55 PM, Juanjo Conti<jjconti at gmail.com> wrote:
>> I have notice that when an error occur in a LiveElement (lost
>> connection or not handled exception in the server) an error message is
>> displayed in the browser. Is there an explicit way to use this error
>> showing mechanism to display errors from my application? This stuff
>> seems not covered in Athena documentation.
> The error dialog you're noticing comes from
> Nevow.Athena.PageWidget.showErrorDialog (which is defined in
> Nevow/nevow/js/Nevow/Athena/__init__.js).
> The PageWidget is the root JavaScript class that controls everything
> that's going on on the page.  If you want to customize this, you
> should subclass Nevow.Athena.PageWidget in your application, and
> override showErrordDialog.  On the Python side of things, you need to
> subclass nevow.athena.LivePage, and set your subclass's jsClass
> attribute to the name of your PageWidget subclass.

Ok, but I don't actually need a customization, I'm just fine using the
showErrorDialog. How can I acces the correct PageWidget instance?

So I can do myLivePage.jsClass.showErrorDialog(some params); right?

> This could definitely be better documented.  Can you contribute a
> documentation patch that explains that stuff I just said? :-)

As soon as I get something done, I'll contribute with doc.


Juanjo Conti

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