def splituri(uri):
if uri.startswith('<') and uri.endswith('>'):
uri = uri[1:-1]
if uri.startswith('_'):
uid = ''.join(uri.split('_'))
return '_', uid
if '#' in uri:
ns, local = rsplit(uri, '#', 1)
return ns + '#', local
if '/' in uri:
ns, local = rsplit(uri, '/', 1)
return ns + '/', local
return NO_URI, uri
def splituri(uri):
if uri.startswith("<") and uri.endswith(">"):
uri = uri[1:-1]
if uri.startswith("_"):
uid = "".join(uri.split("_"))
return "_", uid
if "#" in uri:
ns, local = rsplit(uri, "#", 1)
return ns + "#", local
if "/" in uri:
ns, local = rsplit(uri, "/", 1)
return ns + "/", local
return NO_URI, uri
def localname_for_uri(self, uri):
if "#" not in uri:
scheme, netloc, path, params, query, fragment = urlparse(uri)
if path:
return (rsplit(uri, "/", 1))[1]
else:
return uri
return uri.rsplit("#")[1].strip()
def localname_for_uri (self, uri) :
if "#" not in uri:
scheme, netloc, path, params, query, fragment = urlparse(uri)
if path:
return (rsplit(uri, "/", 1))[1]
else :
return uri
return uri.rsplit("#")[1].strip()
def abstract(self):
if "#" not in self:
scheme, netloc, path, params, query, fragment = urlparse(self)
if path:
return URIRef("#".join(rsplit(self, "/", 1)))
else:
if not self.endswith("#"):
return URIRef("%s#" % self)
else:
return self
else:
return self
def abstract(self):
if "#" not in self:
scheme, netloc, path, params, query, fragment = urlparse(self)
if path:
return URIRef("#".join(rsplit(self, "/", 1)))
else:
if not self.endswith("#"):
return URIRef("%s#" % self)
else:
return self
else:
return self
def from_n3(s, default=None, backend=None):
""" Creates the Identifier corresponding to the given n3 string. WARNING: untested, may contain bugs. TODO: add test cases."""
if not s:
return default
if s.startswith('<'):
return URIRef(s[1:-1])
elif s.startswith('"'):
# TODO: would a regex be faster?
value, rest = rsplit(s, '"', 1)
value = value[1:] # strip leading quote
if rest.startswith("@"):
if "^^" in rest:
language, rest = rsplit(rest, '^^', 1)
language = language[1:] # strip leading at sign
else:
language = rest[1:] # strip leading at sign
rest = ''
else:
language = None
if rest.startswith("^^"):
datatype = rest[3:-1]
else:
datatype = None
value = value.replace('\\"',
'"').replace('\\\\',
'\\').decode("unicode-escape")
return Literal(value, language, datatype)
elif s.startswith('{'):
identifier = from_n3(s[1:-1])
return QuotedGraph(backend, identifier)
elif s.startswith('['):
identifier = from_n3(s[1:-1])
return Graph(backend, identifier)
else:
if s.startswith("_:"):
return BNode(s[2:])
else:
return BNode(s)
def from_n3(s, default=None, backend=None):
""" Creates the Identifier corresponding to the given n3 string. WARNING: untested, may contain bugs. TODO: add test cases."""
if not s:
return default
if s.startswith('<'):
return URIRef(s[1:-1])
elif s.startswith('"'):
# TODO: would a regex be faster?
value, rest = rsplit(s, '"', 1)
value = value[1:] # strip leading quote
if rest.startswith("@"):
if "^^" in rest:
language, rest = rsplit(rest, '^^', 1)
language = language[1:] # strip leading at sign
else:
language = rest[1:] # strip leading at sign
rest = ''
else:
language = None
if rest.startswith("^^"):
datatype = rest[3:-1]
else:
datatype = None
value = value.replace('\\"', '"').replace('\\\\', '\\').decode("unicode-escape")
return Literal(value, language, datatype)
elif s.startswith('{'):
identifier = from_n3(s[1:-1])
return QuotedGraph(backend, identifier)
elif s.startswith('['):
identifier = from_n3(s[1:-1])
return Graph(backend, identifier)
else:
if s.startswith("_:"):
return BNode(s[2:])
else:
return BNode(s)
def concrete(self):
if "#" in self:
return URIRef("/".join(rsplit(self, "#", 1)))
else:
return self
def concrete(self):
if "#" in self:
return URIRef("/".join(rsplit(self, "#", 1)))
else:
return self
