def from_string(string):
if ":" in string:
try:
idx, name = string.split(":", 1)
idx = int(idx)
except (TypeError, ValueError) as ex:
raise UaStringParsingError("Error parsing string {}".format(string), ex)
else:
idx = 0
name = string
return QualifiedName(name, idx)
def _from_string(string):
l = string.split(";")
identifier = None
namespace = 0
ntype = None
srv = None
nsu = None
for el in l:
if not el:
continue
k, v = el.split("=", 1)
k = k.strip()
v = v.strip()
if k == "ns":
namespace = int(v)
elif k == "i":
ntype = NodeIdType.Numeric
identifier = int(v)
elif k == "s":
ntype = NodeIdType.String
identifier = v
elif k == "g":
ntype = NodeIdType.Guid
identifier = v
elif k == "b":
ntype = NodeIdType.ByteString
identifier = v
elif k == "srv":
srv = v
elif k == "nsu":
nsu = v
if identifier is None:
raise UaStringParsingError(
"Could not find identifier in string: " + string)
nodeid = NodeId(identifier, namespace, ntype)
nodeid.NamespaceUri = nsu
nodeid.ServerIndex = srv
return nodeid
def from_string(string):
try:
return NodeId._from_string(string)
except ValueError as ex:
raise UaStringParsingError(
"Error parsing string {}".format(string), ex)