RDFAlchemy 0.2b2dev-r106

RDFAlchemy is an abstraction layer, allowing python developers to use familiar dot notation to access and update an rdf triplestore.

• RDFAlchemy is an ORM (Object Rdf Mapper) for graph data as:

• SQLAlchemy is an ORM (Object Relational Mapper) for relalational databases

Allows access to:

• rdflib datastores

• Sesame Repositories

• SPARQL endpoints

Provides intuitive access to RDF values by accessing predicate values through dot notation.

ov = Namespace(’http://owl.openvest.org/2005/10/Portfolio#’)

class Company(rdfSubject):

rdf_type = ov.Company symbol = rdfSingle(ov.symbol,’symbol’) #second param is optional cik = rdfSingle(ov.secCik) companyName = rdfSingle(ov.companyName)

c = Company.get_by(symbol = ‘IBM’) print “%s has an SEC symbol of %s” % (c.companyName, c.cik)

Includes advanced descriptors for read/write access to lists and collections.