Re: [Zope-dev] ZCatalog: path & summary indices not generated

2001-10-03 Thread Casey Duncan

On Wednesday 03 October 2001 12:54 am, Shane Rowatt allegedly wrote:
> Zope Version: 2.4.1 on linux.
>
> When I tried to add a ZCatalog followed by finding objects to index using
> the default indices provided (path, summary, id, title etc), the 'path' and
> 'summary' indices are never generated. The 'summary' index is always an
> empty string and the 'path' index is 'None'.

Summary is not defined (as you found) for most plain objects. CatalogAware 
defines it, but unfortunately without stripping tags. You might check out my 
DTMLDocumentExt code which renders the document and strips the html tags. It 
is an extension of some code Dieter posted online a while back. You can find 
it at:

http://www.zope.org/Members/Kaivo/DTMLDocumentExt

[snip]
>
> Surely someone else has come across these problems before using this basic
> catalog stuff??

Yup 8^)

>
> Shane Rowatt
> Astracon Inc.

hth
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Re: [Zope-dev] ZCatalog: path & summary indices not generated

2001-10-03 Thread Andreas Jung


- Original Message -
From: "Shane Rowatt" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, October 03, 2001 00:54
Subject: [Zope-dev] ZCatalog: path & summary indices not generated
>
> Unfortunately I tried the same with the 'path' index by adding the
following
> to DTMLMethod.py
>
> def getPath(self):
>  "Get path"
>  return getPath(self)
>
> def path(self):
>  "Get path"
>  return join(self.getPhysicalPath(), "/")
>
> but the 'path' index only works it is a FieldIndex. When it's a PathIndex
I
> get the value of None for all cataloged items.
>

Shane,

you don't have to provide special path() to your objects. The PathIndex
works
a bit different from the other indexes because it does not look for an
attribute
or method with a name equal to the name of your PathIndex. So how do
PathIndexes work ?

- ZCatalog calls PathIndex.index_object() for all objects to be cataloged.
- index_object() determines the physical path the object and indexes this
result
  inside the PathIndex data structure.

We have not seen necessity to provide support for a user-defined hook. If
you have some
use cases let me know.

Hope this helps ;-)

Andreas


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