Zope-app-catalog

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- Nothing changed yet.

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- Add support for Python 3.4, 3.5, 3.6 and PyPy.

- Remove test dependency on ``zope.app.testing`` and
``zope.app.zcmlfiles``, among others.

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- Removed unneeded dependencies on zope.app.publisher and zope.app.form, moved
zope.app.intid to the test dependencies.

- Import hooks functionality from zope.component after it was moved there from
zope.site. This lifts the test dependency on zope.site.

- Use new zope.publisher that requires zope.login.

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- Move most of this package's code to new ``zope.catalog`` package,
leaving only ZMI-related views and backward-compatibility imports
here.

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- Change catalog's addMenuItem permission to zope.ManageServices
as it doesn't make any sense to add an empty catalog that you
can't modify with zope.ManageContent permission and it's completely
useless without indexes. So there's no need to show a menu item.

- Replaced dependency on `zope.app.container` with a lighter-weight
dependency upon the newly refactored `zope.container` package.

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- Make TextIndex addform use default values as specified in
zope.app.catalog.text.ITextIndex interface. Also, change
"searchableText" to "getSearchableText" there, as it's the
right value.

- Add Keyword (case-insensitive and case-sensitive) catalog
indices. It's now possible to use them, because ones in
zope.index now implement IIndexSearch interface.

- Add support for sorting, reversing and limiting result set
in the ``searchResults`` method, using new IIndexSort interface
features of zope.index.