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Description:

hypatia 0.4

A Python indexing and searching system.
See http://github.com/Pylons/hypatia for more information while this package
is in alpha development.

0.4 (2022-04-23)

Drop (unreleased) support for Python 3.3 and Python 3.4 (the persistent
package no longer supports these versions).
Drop (unreleased) support for Python 3.5 (too difficult to build correctly –
even with pyenv – to bother).
Drop (released) support for Python 2.6 and 3.2.
Add support for Python 3.6, 3.7, 3.8, 3.9, 3.10 (thanks to Thierry Florac).
Use pytest instead of python setup.py test -q in tox.ini.
Change how cross-version coverage is computed in tests.
Remove unused hypatia/text/ricecode.py file.
Change building of docs slightly to cope with modified github protocols.
Some warnings are unearthed with newer Sphinx, which I’ve not
caught by turning warnings into errors yet, because I don’t understand them.
Don’t modify queries attribute when optimizing And or Or, return a new
instance instead. This change is needed to open new optimization
possibilities, like factorization.
Fix Comparator __eq__ method to include type in comparison,
previously NotAny(‘index’, [1]) was equal to Any(‘index’, [1]) for example.

0.3 (2014-06-12)

Depend on the ZODB package rather than the ZODB3 package. The former
is a newer ZODB packaging, implying ZODB4. If you actually require ZODB v3,
you will need to pin hypatia to an older release. You should know that
the most recent release of ZODB3 at this time (3.11) actually implies
ZODB v4 (I know it’s not exactly obvious, but Jim ensures me it is), so if
you really require ZODB v3, you’ll need to pin ZODB3 to below 3.11 and
hypatia to below this release.
Keyword indices now have a unique_values method like Field indexes.
Calling hypatia.util.ResultSet.first() and
hypatia.util.ResultSet.one() is now idempotent. Calling it a second time
will return the same value, and calling it will not effect the result set’s
iterability (it will start from zero).

0.2 (2014-05-16)

Query objects are now consulted for intersect and union operations via
methods, instead of the intersection/union logic being embedded in And and Or
query objects. This makes it possible to create query object types which
intersect and/or union differently when combined with other query results.

0.1 (2014-02-09)

Fix a typo in the Sphinx docs, which causes intersphinx references to
fail.

0.1a7 (2013-10-08)

Add a unique_values API to field index.
Sometimes an index attribute could not be found to resolve a result
set when deeply nesting boolean operations (like And and Or). See
https://github.com/Pylons/hypatia/pull/5
Throw an Unsortable properly when a field index without any docids is used as
a sort index and raise_unsortable is True.

0.1a6 (2013-05-30)

Add check_query method to text index to allow for checking if a search
term is parseable.

0.1a5 (2013-05-06)

Added support for Python 3.2 / 3.3.
Fix signature of TextIndex.sort (it would fail when e.g. raise_unsortable was
passed).
Add the a sort_type keyword argument to IIndexSort.sort and
IResultSet.sort methods. This value can be passed by calling code to
control the type of sorting used.
Add two constants: hypatia.interfaces.STABLE and
hypatia.interfaces.OPTIMAL. These can be used as explicit arguments to
the IIndexSort.sort and IResultSet.sort sort_type parameter to
control the stability of sorting.
The constructor of IResultSet now accepts a sort_type keyword
argument.
The ResultSet constructed by IResultSet.sort will be passed the value
hypatia.interfaces.STABLE in its constructor to ensure that the second
and subsequent sorts of the result set will be done as a stable sort, unless
an explicit sort_type value is passed to that second sort.

0.1a4 (2013-04-28)

Add IResultSet interface definition.
Normalize keyword argument ordering of IIndexSort.sort and IResultSet.sort.
Add an argument raise_unsortable to IIndexSort.sort and IResultSet.sort
methods. By default this is True. It means that iterating over the
results returned by one of these methods may raise a
hypatia.exc.Unsortable exception when a member of the docids passed in
cannot be sorted by the index used to do the sort (e.g. a value for the docid
is not present in the index). It defaults to True, which changes the
default behavior of indexes. To get the old default behavior back, pass
False for this value. Alternately, write code like this:
from hypatia.exc import Unsortable

ids = []
results = resultset.sort(someindex)
try:
for id in results:
ids.append(id)
except Unsortable as e:
unsorted = e.docids
ids.extend(unsorted)

0.1a3 (2013-01-10)

Optimize index_doc implementations of field and keyword index in cases
where the discriminator returns the default.
Remove code from hypatia.path. This package no longer supports
PathIndex.
Remove interfaces.IIndexQuery interface. It was never relevant, as
indices cannot be expected to implement all of its methods, only the ones
which apply to each index.
BaseIndexMixin no longer supplies default implementation of applyFoo
methods which raise NotImplementedError. Each index is now responsible for
implementing all of its own applyFoo methods. This is in the interest of
fidelity with new query methods such as eq, which are similarly not
implemented in the base.
Indexes are now compelled to implement a qname method for use by
queries.
DoesNotContain query renamed to NotContains for symmetry with other
negated query names.
New index methods: eq, noteq, ge, le, lt, gt,
any, notany, all, notall, inrange, notinrange,
contains, notcontains. These methods return query objects. Ex:
catalog['flavors'].eq('peach')

Query objects refactored internally to deal in index objects rather than
index names.
The query.parse_query function now requires a catalog argument.
Query objects now supply an .execute method which returns a ResultSet.
ResultSet objects are returned from .execute. They represent a set of
docids; they are iterable and have various methods for obtaining single
objects (like one, first) and sorting (sort).
All Query objects now have a flush method which accepts arbitrary
positional and keyword arguments. Calling the flush method of a query
object will cause the flush method of all indexes participating in the
query with the value passed to Query.flush with the same positional and
keyword arguments. This is to support Substance D upstream, which may
require indexes to be flushed before a query happens.
Add a document_repr method to all indexes which accepts a docid and
returns a string represnting the index’s knowledge about that docid.

0.1a2 (2012-07-02)

This version of the code is incompatible with indexes produced by 0.1a1.
There is no upgrade script. Shame on you for using software with a 0.1a1
version number and expecting backwards compatibility.
Add hypatia.catalog.CatalogQuery.sort API for sorting external sets
of docids based on index values.
Add IIndexEnumeration interface, which all indexes must support.
This implied the following backwards incompatibilities:

New interface methods: docids, docids_count, indexed, indexed_count,
not_indexed and not_indexed_count.
documentCount method renamed to indexed_count.
wordCount method renamed to word_count.

Remove unused INBest interface.
IIndexInjection interface clear method renamed to reset to prevent
confusion with dictionary clear (catalog is often dictionarylike).
Catalog clear_indexes method replaced with reset.

0.1a1

Initial release: fork of repoze.catalog and zope.index, combined.