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.. _plugin_stores: Plugin stores
=============
Plugin stores
=============
Built In
--------
The following Stores are contained within the rdflib core package:
================= ============================================================
Name Class
================= ============================================================
Auditable :class:`~rdflib.plugins.stores.auditable.AuditableStore`
Concurrent :class:`~rdflib.plugins.stores.concurrent.ConcurrentStore`
SimpleMemory :class:`~rdflib.plugins.stores.memory.SimpleMemory`
Memory :class:`~rdflib.plugins.stores.memory.Memory`
SPARQLStore :class:`~rdflib.plugins.stores.sparqlstore.SPARQLStore`
SPARQLUpdateStore :class:`~rdflib.plugins.stores.sparqlstore.SPARQLUpdateStore`
BerkeleyDB :class:`~rdflib.plugins.stores.berkeleydb.BerkeleyDB`
default :class:`~rdflib.plugins.stores.memory.Memory`
================= ============================================================
External
--------
The following Stores are defined externally to rdflib's core package, so look to their documentation elsewhere for
specific details of use.
================= ==================================================== =============================================================================================
Name Repository Notes
================= ==================================================== =============================================================================================
SQLAlchemy `<https://github.com/RDFLib/rdflib-sqlalchemy>`_ An SQLAlchemy-backed, formula-aware RDFLib Store. Tested dialects are: SQLite, MySQL & PostgreSQL
leveldb `<https://github.com/RDFLib/rdflib-leveldb>`_ An adaptation of RDFLib BerkeleyDB Store’s key-value approach, using LevelDB as a back-end
Kyoto Cabinet `<https://github.com/RDFLib/rdflib-kyotocabinet>`_ An adaptation of RDFLib BerkeleyDB Store’s key-value approach, using Kyoto Cabinet as a back-end
HDT `<https://github.com/RDFLib/rdflib-hdt>`_ A Store back-end for rdflib to allow for reading and querying `HDT <https://www.rdfhdt.org/>`_ documents
Oxigraph `<https://github.com/oxigraph/oxrdflib>`_ Works with the `Pyoxigraph <https://oxigraph.org/pyoxigraph>`_ Python graph database library
================= ==================================================== =============================================================================================
_If you have, or know of a Store implementation and would like it listed here, please submit a Pull Request!_
Use
---
You can use these stores like this:
.. code-block:: python
from rdflib import Graph
# use the default memory Store
graph = Graph()
# use the BerkeleyDB Store
graph = Graph(store="BerkeleyDB")
In some cases, you must explicitly _open_ and _close_ a store, for example:
.. code-block:: python
from rdflib import Graph
# use the BerkeleyDB Store
graph = Graph(store="BerkeleyDB")
graph.open("/some/folder/location")
# do things ...
graph.close()
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