Package engine

e.g.:

• create_engine('mysql://myname@localhost/rdflibdb')
• create_engine('sleepycat://~/working/rdf_db')
• create_engine('zodb:///var/rdflib/Data.fs')
• create_engine('zodb://localhost:8672')
• create_engine('sesame://www.example.com:8080/openrdf-sesame/repositories/Test')
• create_engine('sparql://www.example.com:2020/sparql')

for zodb:

the key in the Zope database is hardcoded as 'rdflib' urls ending in .fs indicate FileStorage otherwise ClientStoreage is assumed which requires a ZEO Server to be running

Parameters:

• url - a string of the url
• identifier - URIRef of the default context for writing

Returns:

returns an open rdflib ConjunctiveGraph

Create a new Engine instance using a configuration dictionary.

where keys are prefixed, such as rdfalchemy.dburi, etc. :param prefix: indicates the prefix to be searched for.

Parameters:

• configuration - a dictionary, typically produced from a config file