[Zope] Traversal question

[David Pratt]

Hi Peter.  This is very interesting. I will look at the code!  I agree  
with you about exposing the zsql methods and also I tend to use a  
naming convention for zsql methods might even stick out more.  Many  
thanks for your reply.

Regards,
David

On Wednesday, June 22, 2005, at 12:27 PM, Peter Bengtsson wrote:

> I have never used traversal into zsql methods simply because I don't
> want to expose geeky things like "employee_by_id" to the user. People
> should be able to find out what you call your ZSQL methods. My
> suggestion is to consider a more controlled solution.
>
> About having request variables in the URL I suggest you download and
> study the code of the IssueTrackerProduct. Look for a method called
> get_environ and __before_bobobase_traverse__
>
> Then one gets URLs like this:
> http://demo.issuetrackerproduct.com/ListIssues/sortorder-urgency/ 
> reverse-true
> which is translated in get_environ() to
> http://demo.issuetrackerproduct.com/ 
> ListIssues?sortorder=urgency&reverse=true
>
>
> On 6/22/05, David Pratt <fairwinds at eastlink.ca> wrote:
>> I have gone over the zope book to see what I can do about calling a  
>> sql
>> with a form and getting three additional parameters in the request and
>> am wanting this to get better looking urls that calling the parameters
>> directly in the url.  I asked a similar question yesterday but perhaps
>> it was not clear enough about what asking. It is really a traversal
>> question and how to string together a sql query with a zpt form that
>> also requires parameters from the request namespace.
>>
>> I can call my zsql method and then my edit form like this:
>> /employee_by_id/employee_id/42/employee_edit_form
>>
>> or with simple direct traversal on the zsql method:
>> /employee_by_id/42/employee_edit_form
>>
>> Problem is I need three other parameters in the request for my edit
>> form to satisfy my sorting so when the edit form returns it is back on
>> the same batch page
>>
>> Parameters passed in traversal go into the request namespace according
>> to the zope book so was hoping for something similar to this which
>> doesn't work - and I can't see how it could.
>>
>> /employee_by_id/employee_id/42/employee_edit_form/start/2/sort/
>> employee/reverse/0
>>
>> The zope book examples are with python scripts so am not sure whether
>> this is possible with a ZPT that also requires parameters from the
>> request  or will I need a script to be called in the path somewhere to
>> pick up the results of the query and then pass parameters to the form  
>> -
>> something like:
>>
>> /employee_by_id/employee_id/42/some_other_script/start/2/sort/ 
>> employee/
>> reverse/0/employee_edit_form
>>
>> where some_other_script would be a script python.  Any hints to help  
>> me
>> understand what can be done with traversal like this would be
>> appreciated since I would rather have nice urls instead of stringing
>> parameters directly in the url with all the ?= and &'s.
>>
>> Regards,
>> David
>> _______________________________________________
>> 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 )
>>
>
>
> -- 
> Peter Bengtsson,
> work www.fry-it.com
> home www.peterbe.com
> hobby www.issuetrackerproduct.com
>