[Zope] some Zope issues: dtml-zpt, permissions, scalability

[Dragos Chirila]

Hi

I think this will help http://old.zope.org/Members/peterbe/DTML2ZPT/index_html?pp=1

dragos

  ----- Original Message ----- 
  From: Andre Meyer 
  To: zope at zope.org 
  Cc: webmaven at cox.net 
  Sent: Thursday, November 20, 2003 9:53 AM
  Subject: [Zope] some Zope issues: dtml-zpt, permissions, scalability


  Dear Zopers

  During the last few weeks I have been working through the documentation of Zope for building my own products. One valuable source was the Zope Bible. With help from this list and the authors of the book I decided to go for a file system based product using ZPT. Unfortunately, the example in the book is using DTML like most others still do. When trying to convert from DTML to ZPT I found the following problem:
  It is easy to change dtml-in to tal:repeat and the like. But how to convert from dtml-call to tal? Look at the folowing snippet:

------------------------------------------------------------------------------

  <dtml-unless SelectedGroup>
   <dtml-call "REQUEST.set('SelectedGroup', 'All')">
  </dtml-unless>

  <dtml-unless start>
   <dtml-call "REQUEST.set('start', 1)">
  </dtml-unless>

  <dtml-unless sort_by>
   <dtml-call "REQUEST.set('sort_by', 'LastName,FirstName,MiddleInitial')">
  </dtml-unless>

------------------------------------------------------------------------------



  Another problem occurs with permissions. The following snippet works in dtml, but when converted to zpt (accessing here/listEntriesByGroup) the same method cannot be accessed any longer.

------------------------------------------------------------------------------

  <dtml-in "listEntriesByGroup(_['SelectedGroup'])" size=20 start=start sort_expr="sort_by">
    <tr <dtml-if sequence-even>bgcolor="#CCCCCC"</dtml-if>>
     <td><input type=checkbox name="EntryIDs:list" value="&dtml-id;"></td>
     <td><a href="&dtml-id;"><dtml-var title></td>
     <td><dtml-var Title>&nbsp;</td>
     <td><dtml-var Company>&nbsp;</td>
     <td><a href="<dtml-var id>/editEntryForm">Edit</a></td>
    </tr>
  </dtml-in>

------------------------------------------------------------------------------



  Yet another issue is related to scalability when I have an object that references a list of other objects using a dictionary. How does this perform when the dictionary contains 10.000 or 50.000 entries? Is that feasible or are there better solutions?


  thanks a lot for your help
  Andre



------------------------------------------------------------------------------


  _______________________________________________
  Zope maillist  -  Zope at zope.org
  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 )
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.zope.org/pipermail/zope/attachments/20031120/1ae04bbc/attachment.html