def testNtriples(self):
#test character escaping
s1 = r'''bug: File "g:\_dev\rx4rdf\rx\Server.py", '''
n1 = r'''_:x1f6051811c7546e0a91a09aacb664f56x142 <http://rx4rdf.sf.net/ns/archive#contents> "bug: File \"g:\\_dev\\rx4rdf\\rx\\Server.py\", ".'''
[(subject, predicate, object, objectType, scope)] = [x for x in parseTriples([n1])]
self.failUnless(s1 == object)
#test xml:lang support
n2 = r'''_:x1f6051811c7546e0a91a09aacb664f56x142 <http://rx4rdf.sf.net/ns/archive#contents> "english"@en-US.'''
[(subject, predicate, object, objectType, scope)] = [x for x in parseTriples([n2])]
self.failUnless(object=="english" and objectType == 'en-US')
#test datatype support
n3 = r'''_:x1f6051811c7546e0a91a09aacb664f56x142 <http://rx4rdf.sf.net/ns/archive#contents>'''\
''' "1"^^http://www.w3.org/2001/XMLSchema#int.'''
[(subject, predicate, object, objectType, scope)] = [x for x in parseTriples([n3])]
self.failUnless(object=="1" and objectType == 'http://www.w3.org/2001/XMLSchema#int')
sio = cStringIO.StringIO()
writeTriples( [Statement('test:s', 'test:p', u'\x10\x0a\\\u56be',
OBJECT_TYPE_LITERAL)], sio, 'ascii')
self.failUnless(sio.getvalue() == r'<test:s> <test:p> "\u0010\n\\\u56BE" .'
'\n')
#test URI validation when writing triples
out = cStringIO.StringIO()
self.failUnlessRaises(RuntimeError, lambda:
writeTriples( [Statement(BNODE_BASE+'foo bar', 'http://foo bar',
'http://foo bar')], out) )
writeTriples( [Statement(BNODE_BASE+'foobar', 'http://foo',
'http://foo bar')], out)
self.failUnlessRaises(RuntimeError, lambda:
writeTriples( [Statement(BNODE_BASE+'foobar', 'http://foo',
'http://foo bar',OBJECT_TYPE_RESOURCE)], out) )
def DeserializeFromN3File(n3filepath, driver=Memory, dbName='', create=0, defaultScope='',
modelName='default', model=None):
if not model:
if create:
db = driver.CreateDb(dbName, modelName)
else:
db = driver.GetDb(dbName, modelName)
db.begin()
model = Model4Suite(db)
else:
db = model._driver
if isinstance(n3filepath, ( type(''), type(u'') )):
stream = file(n3filepath, 'r+')
else:
stream = n3filepath
#bNodeMap = {}
#makebNode = lambda bNode: bNodeMap.setdefault(bNode, generateBnode(bNode))
makebNode = lambda bNode: BNODE_BASE + bNode
for stmt in parseTriples(stream, makebNode):
if stmt[0] is Removed:
stmt = stmt[1]
scope = stmt[4] or defaultScope
model.remove( FtStatement(stmt[0], stmt[1], stmt[2], '', scope, stmt[3]) )
else:
scope = stmt[4] or defaultScope
model.add( FtStatement(stmt[0], stmt[1], stmt[2], '', scope, stmt[3]) )
#db.commit()
return model, db
