[Grok-dev] How do I look up a grok.Indexes utility so I can call methods on an index?

[Souheil CHELFOUH]

the index is in the catalog itself.
get the catalog, the stored values are the indexes which, themselves,
store the values needed for the indexation.


2010/8/25 Sebastian Ware <sebastian at urbantalk.se>:
> I have a value index from zc.catalog and I want to use the implemented sort method. However, I don't understand how to look up the actual index. The index is defined as:
>
> class SitePublishCatalog(grok.Indexes):
>    grok.site(Testvalueindex)
>    grok.context(IPublished)
>    grok.name('content_index')
>
>    published = Value()
>
> I want to be able to do call index.sort(res) on my results that come from hurry.query, in the way explained in the zc.catalog doctest.
>
> """
> Sorting
> -------
>
> Value indexes supports sorting, just like zope.index.field.FieldIndex.
>
>    >>> index.clear()
>
>    >>> index.index_doc(1, 9)
>    >>> index.index_doc(2, 8)
>    >>> index.index_doc(3, 7)
>    >>> index.index_doc(4, 6)
>    >>> index.index_doc(5, 5)
>    >>> index.index_doc(6, 4)
>    >>> index.index_doc(7, 3)
>    >>> index.index_doc(8, 2)
>    >>> index.index_doc(9, 1)
>
>    >>> list(index.sort([4, 2, 9, 7, 3, 1, 5]))
>    [9, 7, 5, 4, 3, 2, 1]
> """
>
> Mvh Sebastian
>
>
>
> _______________________________________________
> Grok-dev mailing list
> Grok-dev at zope.org
> https://mail.zope.org/mailman/listinfo/grok-dev
>