[Grok-dev] a grok.getApplication() implementation

[Christian Theune]

On 11/27/2009 02:22 AM, Kevin Teague wrote:
> The grok.getApplication() has been discussed/proposed a few times in
> the past, e.g.
>
> http://article.gmane.org/gmane.comp.web.zope.grok.devel/5521
>
> I'd really like this function available in Grok, so I put together an
> implementation, and some tests for it, available on a branch:
>
> http://svn.zope.org/grok/branches/kteague-getapp/
>
> The implementation, in grok.utils, just looks like this:
>
> def getApplication():
>      """Get the application."""
>      site = grok.getSite()
>      if grok.interfaces.IApplication.providedBy(site):
>          return site
>      else:
>          # another sub-site is within the application, walk up
>          # the tree until we get to the application
>          parent = site.__parent__
>          while not grok.interfaces.IApplication.providedBy(parent):
>              parent = parent.__parent__
>          return parent
>
> Not sure if there is a better way to do this?

There already is an implementation that acquires the application from a 
view to return its URL.

In my projects I tend to complement that implementation with the same 
algorithm that just returns the object instead of getting the URL.

Christian

-- 
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