[Zope] where has the REQUEST-object gone???

[Chris Withers]

Brain Lloyd has a couple of patches that will probably sort this out.

Chris

Andy Pahne wrote:
> 
> hi,
> 
> at the moment we are builduing a database-enabled three-language website. we
> have the contents (texts) for the site already in a database. I wrote a
> Z-SQL-Method  sql_get_text which takes id_to_get as argument. So, when I
> call
> 
>   <dtml-in "get_text(id_to_get=xxxx)">
>      <dtml-var text_value>
>   </dtml-in>
> 
> I get the text I was looking for. (Note that this ZSQL-method will return
> only one result, because id_to_get is the primary key of the database table
> and therefore unique).
> 
> I wanted to make things a bit easier for the people who generate the
> templates for the site. So I coded a helper-method named get_text which also
> takes id_to_get as argument. It holds exactly the code-snippet from above.
> By doing so I wanted the HTML-Coders to type
> 
>  <dtml-var "get_text(id_to_get=xxxx)">
> 
> so that they do not have to worry about the dtml-in-tag. It did not work. I
> get an error-message that Zope can not find the ZSQL-method sql_get_text
> method. Here is the traceback:
> 
> Traceback (innermost last):
>   File /usr/local/src/Zope-2.1.6-src/lib/python/ZPublisher/Publish.py, line
> 214, in publish_module
>   File /usr/local/src/Zope-2.1.6-src/lib/python/ZPublisher/Publish.py, line
> 179, in publish
>   File /usr/local/src/Zope-2.1.6-src/lib/python/Zope/__init__.py, line 202,
> in zpublisher_exception_hook
>     (Object: ElementWithAttributes)
>   File /usr/local/src/Zope-2.1.6-src/lib/python/ZPublisher/Publish.py, line
> 165, in publish
>   File /usr/local/src/Zope-2.1.6-src/lib/python/ZPublisher/mapply.py, line
> 160, in mapply
>     (Object: content)
>   File /usr/local/src/Zope-2.1.6-src/lib/python/ZPublisher/Publish.py, line
> 102, in call_object
>     (Object: content)
>   File /usr/local/src/Zope-2.1.6-src/lib/python/OFS/DTMLMethod.py, line 150,
> in __call__
>     (Object: content)
>   File
> /usr/local/src/Zope-2.1.6-src/lib/python/DocumentTemplate/DT_String.py, line
> 502, in __call__
>     (Object: content)
>   File /usr/local/src/Zope-2.1.6-src/lib/python/DocumentTemplate/DT_Util.py,
> line 335, in eval
>     (Object: _['content-ms'])
>     (Info: _)
>   File &lt;string&gt;, line 0, in ?
>   File /usr/local/src/Zope-2.1.6-src/lib/python/DocumentTemplate/DT_Util.py,
> line 161, in careful_getitem
>   File /usr/local/src/Zope-2.1.6-src/lib/python/OFS/DTMLMethod.py, line 146,
> in __call__
>     (Object: content-ms)
>   File
> /usr/local/src/Zope-2.1.6-src/lib/python/DocumentTemplate/DT_String.py, line
> 502, in __call__
>     (Object: content-ms)
>   File /usr/local/src/Zope-2.1.6-src/lib/python/DocumentTemplate/DT_Util.py,
> line 335, in eval
>     (Object: get_text(id_to_get='AXIN_001'))
>     (Info: get_text)
>   File &lt;string&gt;, line 0, in ?
>   File /usr/local/src/Zope-2.1.6-src/lib/python/OFS/DTMLMethod.py, line 146,
> in __call__
>     (Object: get_text)
>   File
> /usr/local/src/Zope-2.1.6-src/lib/python/DocumentTemplate/DT_String.py, line
> 502, in __call__
>     (Object: get_text)
>   File /usr/local/src/Zope-2.1.6-src/lib/python/DocumentTemplate/DT_With.py,
> line 132, in render
>     (Object: REQUEST)
> KeyError: (see above)
> 
> My next idea was:
> 
> <dtml-with REQUEST>
>   <dtml-in "get_text(id_to_get=xxxx)">
>      <dtml-var text_value>
>   </dtml-in>
> </dtml-with>
> 
> I don't know why, but the <dtml-with REQUEST> fixed a lot of errors before,
> so I just gave it a try. But then I received and error-message telling me
> that I am trying to refference the non-existing object REQUEST.
> 
> Now, why doesn't it find my method and why did the REQUEST-object
> disappear???
> 
> PS: I am doing Zope for half a year now but the namespace-stack is still
> mysterious to me.
> 
> Andy Pahne, ap@net22.net
> 
> net22 GmbH
> Bad Meinberger Strasse 1
> 32760 Detmold
> 0 52 31 - 580 640
> 
> http://www.net22.net
> 
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