[Zope-Checkins] Re: [Checkins] SVN: Zope/trunk/ Added LAZY_FILE_LOADING constant to PageTemplateFile. When set to True Page Template files aren't lo

[Christian Theune]

Am Mittwoch, den 17.10.2007, 11:13 +0200 schrieb Wichert Akkerman:
> Previously Christian Theune wrote:
> > Cool,
> > 
> > Am Dienstag, den 16.10.2007, 17:16 -0400 schrieb Hanno Schlichting:
> > > Log message for revision 80896:
> > >   Added LAZY_FILE_LOADING constant to PageTemplateFile. When set to True Page Template files aren't lo
> > >   aded and parsed on Zope startup anymore, but on first access instead. When complex add-ons like Plon
> > >   e are installed this can safe up to 30% of the Zope startup time. This gets a ZConfig switch ones I 
> > >   figured out how to write one ;)
> > >   
> > > Modified: Zope/trunk/lib/python/Products/PageTemplates/PageTemplateFile.py
> > > ===================================================================
> > > --- Zope/trunk/lib/python/Products/PageTemplates/PageTemplateFile.py	2007-10-16 20:12:30 UTC (rev 80895)
> > > +++ Zope/trunk/lib/python/Products/PageTemplates/PageTemplateFile.py	2007-10-16 21:16:07 UTC (rev 80896)
> > > @@ -31,6 +31,8 @@
> > >  
> > >  LOG = getLogger('PageTemplateFile')
> > >  
> > > +LAZY_FILE_LOADING = False
> > > +
> > >  def guess_type(filename, text):
> > 
> > 
> > Hmm. Maybe an option that can actually be configured would be better?
> > What about adding an option to zope.conf?
> 
> The commit message said:
> 
>    This gets a ZConfig switch ones I figured out how to write one ;)
> 
> perhaps you know how that works? :)

Argh. I, I missed that. :)

Sure.

Edit Zope2/Startup/zopeschema.xml

There you need to add a key, something like:

<key name="lazy-file-loading" datatype="boolean" default="true">
 <description>
   ...
 </description>
</key>

In the actual code you can go and fetch the current configuration and
read this attribute using:

import App.config
App.config.getConfiguration().lazy_file_loading

Notice that the Python attribute has underscores instead of hyphens.

Christian

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