esppy.connectors.OPCUASubscriber

class esppy.connectors.OPCUASubscriber(opcuaendpoint=None, name=None, is_active=None, opcuanamespaceuri=None, opcuausername=None, opcuapassword=None, opcuanodeids=None, configfilesection=None, snapshot=None)

Bases: esppy.connectors.base.Connector

Subscribe to OPC-UA operations

Parameters

opcuaendpointstring, optional

Specifies the OPC-UA server endpoint (only the portion following opc.tcp://).

opcuanamespaceuristring, optional

Specifies the OPC-UA server namespace URI. The default is the namespace at index=0.

opcuausernamestring, optional

Specifies the OPC-UA user name. The default is none.

opcuapasswordstring, optional

Specifies the OPC-UA password. The default is none.

opcuanodeidsstring, optional

Specifies a comma-separated list of Node IDs to map to ESP window schema fields, in the form <identifier type>_<identifier>. The list size must be equal to the number of fields in the subscribed window schema. Window field names are in Node ID form by default.

configfilesectionstring, optional

Specifies the name of the section in the connector config file to parse for configuration parameters. Specify the value as [configfilesection].

snapshotboolean, optional

Specifies whether to send snapshot data

Returns

OPCUASubscriber

__init__(self, opcuaendpoint=None, name=None, is_active=None, opcuanamespaceuri=None, opcuausername=None, opcuapassword=None, opcuanodeids=None, configfilesection=None, snapshot=None)

Initialize self. See help(type(self)) for accurate signature.

Methods

__init__(self[, opcuaendpoint, name, …])	Initialize self.
clear(self)
copy(self[, deep])	Return a copy of the object
from_element(data[, session])	Construct connector from XML definition
from_parameters(conncls[, type, name, …])
from_xml(data[, session])	Construct connector from XML definition
get(self, key[, default])
items(self)
keys(self)
pop(self, key[, default])	If key is not found, d is returned if given, otherwise KeyError is raised.
popitem(self)	as a 2-tuple; but raise KeyError if D is empty.
set_properties(self, \*\*kwargs)	Set connector properties
setdefault(self, key[, default])
to_element(self)	Export connector definition to ElementTree.Element
to_xml(self[, pretty])	Export connector definition to XML
update(\*args, \*\*kwds)	If E present and has a .keys() method, does: for k in E: D[k] = E[k] If E present and lacks .keys() method, does: for (k, v) in E: D[k] = v In either case, this is followed by: for k, v in F.items(): D[k] = v
values(self)

Attributes

connector_key
property_defs