def reifyProperty(self, parameters):
property_num = parameters['processor'][6:]
subject = parameters['uri']
property = parameters['prop%s_name' % property_num]
value = parameters['prop%s_value' % property_num]
if self.rednode.getRange(property)==LITERAL:
value = literal(value)
self.rednode.reify(self.rednode.local.URI+self.generateURI(), subject, property, value)
def _remove(self, subject, predicate, object):
self.store.remove(subject, predicate, object)
statement_uri = self.generateURI()
self.journal.add(statement_uri, TYPE, STATEMENT)
self.journal.add(statement_uri, SUBJECT, subject)
self.journal.add(statement_uri, PREDICATE, predicate)
self.journal.add(statement_uri, OBJECT, object)
self.journal.add(statement_uri, OPERATION, DELETE)
self.journal.add(statement_uri, SOURCE, self.URI)
self.journal.add(statement_uri, TIMESTAMP, literal(self.sn.date_time_path()))
def __init__(self, parser, adder, parent, name, atts):
HandlerBase.__init__(self, parser, adder, parent)
self.predicate = name
if atts.has_key(u"resource"):
self.object = atts[u"resource"]
if self.object[0]==u"#":
self.object = self.parser.GetBase() + self.object
for att in atts.keys():
if att == u"resource":
pass
else:
self.adder(self.object, att, literal(atts[att]))
elif atts.has_key(RESOURCE):
self.object = atts[RESOURCE]
if self.object[0]==u"#":
self.object = self.parser.GetBase() + self.object
for att in atts.keys():
if att == RESOURCE:
pass
else:
self.adder(self.object, att, literal(atts[att]))
else:
self.object = literal(u"")
def update(self, parameters, subject=None, copy=0):
if subject==None:
subject = parameters['uri']
count = parameters['prop_count']
i = 0
while i < int(count):
i = i + 1
property = parameters['prop%s_name' % i]
value = parameters['prop%s_value' % i]
orig = parameters['prop%s_orig' % i]
isLiteral = parameters['prop%s_isLiteral' % i]
if isLiteral == "yes":
value = literal(value)
if copy:
self.rednode.local.add(subject, property, value)
elif value!=orig:
self.rednode.local.remove(subject, property, orig)
self.rednode.local.add(subject, property, value)
newProperty = parameters['newProperty']
newPropertyValue = ""
if self.rednode.getRange(newProperty)==LITERAL:
newPropertyValue = literal(newPropertyValue)
if newProperty!="":
self.rednode.local.add(subject, newProperty, newPropertyValue)
def __init__(self, parser, adder, parent, atts):
HandlerBase.__init__(self, parser, adder, parent)
self.subject = None
if atts.has_key(u"about"):
self.subject = atts[u"about"]
elif atts.has_key(u"ID"):
self.subject = self.parser.GetBase() + u"#" + atts[u"ID"]
elif atts.has_key(ABOUT):
self.subject = atts[ABOUT]
elif atts.has_key(ID):
self.subject = self.parser.GetBase() + u"#" + atts[ID]
else:
import sys
print atts
sys.stderr.write(u"Descriptions must have either an about or an ID\n")
for att in atts.keys():
if att==u"about" or att==u"ID" or att==ABOUT or att==ID:
pass
else:
self.adder(self.subject, att, literal(atts[att]))
"""
Experimental -- may change, depend on it at your own risk
This method differs from visit(aSubject, None, None) in that it will only
call the callback once per subject.
"""
for s in self.spo.keys():
callback(s)
from rdf.const import *
from rdf.literal import literal, un_literal, is_literal
ADD = literal("add")
DELETE = literal("delete")
OPERATION = "http://redfoot.sourceforge.net/2001/01/30/#operation"
TIMESTAMP = "http://redfoot.sourceforge.net/2001/01/30/#timestamp"
SOURCE = "http://redfoot.sourceforge.net/2001/01/30/#source"
#from rdf.query import QueryStore
#class JournalingStore(TripleStore, QueryStore):
class JournalingStore:
def __init__(self):
self.store = TripleStore()
self.sn = SN()
def chron(self, a, b):