On 4/7/06, Dieter Maurer <[EMAIL PROTECTED]> wrote: > gf wrote at 2006-4-6 12:06 -0600: > >Hi, > >I am a Zope newbie. I apologize if the terminology I use below is not > >correct, but I hope that you get the gist of what I am about to ask. > > > >I would like to be able to 'filter' results before returning them to > >the user. In other words, if a user requests a given object, it is > >passed through a filter before being passed on to him or her. As a > >simple example, I may want to tidy the html before the user sees it, > >or eliminate or add certain tags or words. > > > >I have put together a simple 'html tidy' external method that takes > >raw html and produces a tidied version, but I don't know how I can > >apply it. > > The current Zope version does not support general post processing. > > > Depending on your precise use cases, you have various options: > > * change "ZPublisher.HTTPResponse.HTTPResponse" to > perform postprocessing it its "setBody". > > * change "ZPublisher.Publish.publish_module" to add > post processing > > * use a PythonScript and its "traverse_subpath" feature. > > When traversal reaches a PythonScript, then traversal > stops and the remaining traversal steps are > made available in the scripts "traverse_subpath". > > The script can try to locate the object identified > by the "traverse_subpath" and call it. > It then can perform post processing on the result. > > This usually works for templates and parameterless scripts. > Passing parameters to scripts is difficult. > You probably would like to make "ZPublisher.mapply.mapply" > available in untrusted code for this. > > The approach will also fail when the user can only be authenticated > below the script. > -- > Dieter >
Hi Dieter, Thank you for the ideas! I will check into them and see if I can make anything work for my application. Best Regards, gyro _______________________________________________ Zope maillist - [email protected] http://mail.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope-dev )
