def m3_opendb(self, dbfile):
if '/' == self.home[-1]:
rval = piglet.open(self.home+dbfile)
else:
rval = piglet.open(self.home+'/'+dbfile)
if rval != None:
return rval
else:
raise Error("Could not open database")
def __init__(self, address, dbfile):
BaseHTTPServer.HTTPServer.__init__(self, address, PigletRequestHandler)
self.db = piglet.open(dbfile)
self.json = json.JsonWriter()
self.helper = PigletHelper(self.db)
self.methods = {
'/query': lambda p: self.db.query(int(p.get('s', 0)),
int(p.get('p', 0)),
int(p.get('o', 0))),
'/sources': lambda p: self.db.sources(int(p.get('s', 0)),
int(p.get('p', 0)),
int(p.get('o', 0))),
'/add': lambda p: self.db.count(int(p['s']),
int(p['p']),
int(p['o']),
int(p.get('source', 0)),
int(p.get('temporary', 0))),
'/del': lambda p: self.db.count(int(p['s']),
int(p['p']),
int(p['o']),
int(p.get('source', 0)),
int(p.get('temporary', 0))),
'/count': lambda p: self.db.count(int(p.get('s', 0)),
int(p.get('p', 0)),
int(p.get('o', 0)),
int(p.get('source', 0)),
int(p.get('temporary', 0))),
'/info': lambda p: self.db.info(int(p['id'])),
'/node': lambda p: self.db.node(p['uri']),
'/literal': lambda p: self.db.literal(p['string'],
int(p.get('dt', 0)),
p.get('lang', "")),
'/load': lambda p: self.db.load(int(p['source'])),
'/addNamespace': lambda p: self.db.addNamespace(p['prefix'],
p['uri']),
'/delNamespace': lambda p: self.db.delNamespace(p['prefix']),
'/expand': lambda p: self.db.expand(p['qname']),
'/reverseExpand': lambda p: self.db.reverseExpand(p['uri']),
'/values': lambda p: self.helper.values(int(p['node']),
int(p['path'])),
'/label': lambda p: self.helper.label(int(p['id']))
}
def __init__(self, dbfile, seed=False):
self.dbfile = dbfile
self.nodeCache = {}
self.memberProps = []
self.home = os.getenv("PIGLET_HOME")
self.qe = self.makeQueryEngine()
self.db = piglet.open(dbfile)
self.type = self['rdf:type']
self.subprop = self['rdfs:subPropertyOf']
self.subclass = self['rdfs:subClassOf']
self.resource = self['rdfs:Resource']
self.sa = self['owl:sameAs']
self.reasoner = 0 # self['piglet:Reasoner']
self.literalParser = LiteralParser(self)
self.bootstrap()
(sources, namespaces, triples) = self.seedData()
if seed:
for source in set(sources):
self.load(source, True, True)
for (prefix, uri) in set(namespaces):
self.addNamespace(prefix, uri)
for (s, p, o, temp) in set(triples):
self.add(s, p, o, 0, temp)
self.postProcess(0)