def __init__(self, reader=None, writer=None, *args, **kwargs):
self.log = logging.getLogger(self.__class__.__name__)
self.log.info('initializing the store')
load_plugins()
self.__default_context = None
if "default_context" in kwargs:
self.__default_context = URIRef(kwargs["default_context"])
if reader:
if reader in __readers__:
self.reader = __readers__[reader](*args, **kwargs)
elif isinstance(reader, RDFReader):
# We've received already configured reader, use it.
self.reader = reader
else:
raise PluginNotFoundException(
'The <%s> READER plugin was not found' % (reader))
else:
self.reader = RDFReader(*args, **kwargs)
if writer:
if writer in __writers__:
self.writer = __writers__[writer](self.reader, *args, **kwargs)
elif isinstance(writer, RDFWriter):
# We've received already configured writer, use it.
self.writer = writer
else:
raise PluginNotFoundException(
'The <%s> WRITER plugin was not found' % (reader))
else:
self.writer = RDFWriter(self.reader, *args, **kwargs)
if hasattr(self.reader, 'use_subqueries'):
self.use_subqueries = property(
fget=lambda self: self.reader.use_subqueries)
self.log.info('store initialized')
