def _nq_row(triple, context):
if isinstance(triple[2], Literal):
return u"%s %s %s %s .\n" % (
triple[0].n3(), triple[1].n3(),
_xmlcharref_encode(_quoteLiteral(triple[2])), context.n3())
else:
return u"%s %s %s %s .\n" % (triple[0].n3(), triple[1].n3(),
_xmlcharref_encode(
triple[2].n3()), context.n3())
def _nq_row(triple,context):
if isinstance(triple[2], Literal):
return u"%s %s %s %s .\n" % (triple[0].n3(),
triple[1].n3(),
_xmlcharref_encode(_quoteLiteral(triple[2])),
context.n3())
else:
return u"%s %s %s %s .\n" % (triple[0].n3(),
triple[1].n3(),
_xmlcharref_encode(triple[2].n3()),
context.n3())
def add(self, xxx_todo_changeme1, context=None):
"""Add a triple with optional context"""
(s, p, o) = xxx_todo_changeme1
url = self.url + '/statements'
ctx = context or self.context
if ctx:
url = url + "?" + urlencode(dict(context=ctx))
req = Request(url)
# req.data = "%s %s %s .\n" % (
# s.n3(), p.n3(), _xmlcharref_encode(o.n3()))
req.data = "<%s> %s %s .\n" % (_xmlcharref_encode(
unicode(s)), p.n3(), _xmlcharref_encode(o.n3()))
req.add_header('Content-Type', 'text/rdf+n3')
try:
result = urlopen(req).read()
except HTTPError, e:
if e.code == 204:
return
else:
log.error(e)
def add(self, xxx_todo_changeme1, context=None):
"""Add a triple with optional context"""
(s, p, o) = xxx_todo_changeme1
url = self.url + '/statements'
ctx = context or self.context
if ctx:
url = url + "?" + urlencode(dict(context=ctx))
req = Request(url)
# req.data = "%s %s %s .\n" % (
# s.n3(), p.n3(), _xmlcharref_encode(o.n3()))
req.data = "<%s> %s %s .\n" % (
_xmlcharref_encode(unicode(s)),
p.n3(),
_xmlcharref_encode(o.n3()))
req.add_header('Content-Type', 'text/rdf+n3')
try:
result = urlopen(req).read()
except HTTPError, e:
if e.code == 204:
return
else:
log.error(e)
def serializeQuad(g):
"""replacement for graph.serialize(format='nquads')"""
out = []
for s,p,o,c in g.quads((None,None,None)):
if isinstance(c, Graph):
# still not sure why this is Graph sometimes,
# already URIRef other times
c = c.identifier
if '[' in c.n3():
import ipdb;ipdb.set_trace()
out.append(u"%s %s %s %s .\n" % (s.n3(),
p.n3(),
_xmlcharref_encode(o.n3()),
c.n3()))
return ''.join(out)
def _statement_encode(self, xxx_todo_changeme, context):
"""helper function to encode triples to sesame statement uri's"""
(s, p, o) = xxx_todo_changeme
query = {}
url = self.url + '/statements'
if s:
query['subj'] = s.n3().encode('utf8')
if p:
query['pred'] = p.n3()
if o:
query['obj'] = _xmlcharref_encode(o.n3())
# o.n3()
# quote_plus(o.n3().encode("utf-8"))
if context:
# TODO FIXME what about bnodes like _:adf23123
query['context'] = "<%s>" % context
if query:
url = url + "?" + urlencode(query)
return url
def _statement_encode(self, xxx_todo_changeme, context):
"""helper function to encode triples to sesame statement uri's"""
(s, p, o) = xxx_todo_changeme
query = {}
url = self.url + '/statements'
if s:
query['subj'] = s.n3().encode('utf8')
if p:
query['pred'] = p.n3()
if o:
query['obj'] = _xmlcharref_encode(o.n3())
# o.n3()
# quote_plus(o.n3().encode("utf-8"))
if context:
# TODO FIXME what about bnodes like _:adf23123
query['context'] = "<%s>" % context
if query:
url = url + "?" + urlencode(query)
return url
#quote_plus(o.n3().encode("utf-8"))
if context:
### TODO FIXME what about bnodes like _:adf23123
query['context'] = "<%s>"%context
if query:
url = url+"?"+urlencode(query)
return url
def add(self, (s, p, o), context=None):
"""Add a triple with optional context"""
url = self.url+'/statements'
ctx = context or self.context
if ctx:
url = url+"?"+urlencode(dict(context=ctx))
req = Request(url)
req.data = "%s %s %s .\n" % (s.n3(), p.n3(), _xmlcharref_encode(o.n3()))
req.add_header('Content-Type','text/rdf+n3')
try:
result = urlopen(req).read()
except HTTPError, e:
if e.code == 204:
return
else:
log.error(e)
return result
def remove(self, (s, p, o), context=None):
"""Remove a triple from the graph
If the triple does not provide a context attribute, removes the triple
from all contexts.
def _nq_row(triple, context):
return u"%s %s %s %s .\n" % (triple[0].n3(), triple[1].n3(),
_xmlcharref_encode(
triple[2].n3()), context.n3())
def _nq_row(triple,context):
return u"%s %s %s %s .\n" % (triple[0].n3(),
triple[1].n3(),
_xmlcharref_encode(triple[2].n3()),
context.n3())
if context:
### TODO FIXME what about bnodes like _:adf23123
query["context"] = "<%s>" % context
if query:
url = url + "?" + urlencode(query)
return url
def add(self, (s, p, o), context=None):
"""Add a triple with optional context"""
url = self.url + "/statements"
ctx = context or self.context
if ctx:
url = url + "?" + urlencode(dict(context=ctx))
req = Request(url)
# req.data = "%s %s %s .\n" % (s.n3(), p.n3(), _xmlcharref_encode(o.n3()))
req.data = "<%s> %s %s .\n" % (_xmlcharref_encode(unicode(s)), p.n3(), _xmlcharref_encode(o.n3()))
req.add_header("Content-Type", "text/rdf+n3")
try:
result = urlopen(req).read()
except HTTPError, e:
if e.code == 204:
return
else:
log.error(e)
return result
def remove(self, (s, p, o), context=None):
"""Remove a triple from the graph
If the triple does not provide a context attribute, removes the triple
from all contexts.
