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.. _opensearch:
OpenSearch Support
==================
pycsw supports the `OGC OpenSearch Geo and Time Extensions 1.0`_ standard via the following conformance classes:
- Core (GeoSpatial Service) ``{searchTerms}``, ``{geo:box}``, ``{startIndex}``, ``{count}``
- Temporal Search core ``{time:start}``, ``{time:end}``
OpenSearch support is enabled by default. HTTP requests must be specified with ``mode=opensearch`` in the base URL for OpenSearch requests, e.g.:
.. code-block:: bash
http://localhost/pycsw/csw.py?mode=opensearch&service=CSW&version=2.0.2&request=GetCapabilities
This will return the Description document which can then be `autodiscovered <https://github.com/dewitt/opensearch/blob/master/opensearch-1-1-draft-6.md#Autodiscovery>`_.
.. _`OGC OpenSearch Geo and Time Extensions 1.0`: http://www.opengeospatial.org/standards/opensearchgeo
OpenSearch Temporal Queries
---------------------------
By default, pycsw's OpenSearch temporal support will query the Dublin Core ``dc:date`` property. To
enable temporal extent search, set ``profiles=apiso`` which will query the temporal extents of
a metadata record (``apiso:TempExtent_begin`` and ``apiso:TempExtent_end``).
At the HTTP API level, time is supported via one of ``time=t1/t2`` or ``start=t1&stop=t2``. If the
``time`` parameter is present, it will override either/both of the ``start`` and ``stop`` parameters
respectively.
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