Esempio n. 1
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def test_nodeid():
    nid = ua.NodeId()
    assert nid.NodeIdType == ua.NodeIdType.TwoByte
    nid = ua.NodeId(446, 3, ua.NodeIdType.FourByte)
    assert nid.NodeIdType == ua.NodeIdType.FourByte
    d = nodeid_to_binary(nid)
    new_nid = nodeid_from_binary(io.BytesIO(d))
    assert new_nid == nid
    assert new_nid.NodeIdType == ua.NodeIdType.FourByte
    assert new_nid.Identifier == 446
    assert new_nid.NamespaceIndex == 3

    tb = ua.TwoByteNodeId(53)
    fb = ua.FourByteNodeId(53)
    n = ua.NumericNodeId(53)
    n1 = ua.NumericNodeId(53, 0)
    s1 = ua.StringNodeId("53", 0)
    bs = ua.ByteStringNodeId(b"53", 0)
    gid = uuid.uuid4()
    g = ua.ByteStringNodeId(str(gid), 0)
    guid = ua.GuidNodeId(gid)
    assert tb == fb
    assert tb == n
    assert tb == n1
    assert n1 == fb
    assert g != guid
    assert tb == nodeid_from_binary(ua.utils.Buffer(nodeid_to_binary(tb)))
    assert fb == nodeid_from_binary(ua.utils.Buffer(nodeid_to_binary(fb)))
    assert n == nodeid_from_binary(ua.utils.Buffer(nodeid_to_binary(n)))
    assert s1 == nodeid_from_binary(ua.utils.Buffer(nodeid_to_binary(s1)))
    assert bs == nodeid_from_binary(ua.utils.Buffer(nodeid_to_binary(bs)))
    assert guid == nodeid_from_binary(ua.utils.Buffer(nodeid_to_binary(guid)))
Esempio n. 2
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def test_null():
    n = ua.NodeId(b'000000', 0, nodeidtype=ua.NodeIdType.Guid)
    assert n.is_null()
    assert n.has_null_identifier()

    n = ua.NodeId(b'000000', 1, nodeidtype=ua.NodeIdType.Guid)
    assert n.is_null() is False
    assert n.has_null_identifier()

    n = ua.NodeId()
    assert n.is_null()
    assert n.has_null_identifier()

    n = ua.NodeId(0, 0)
    assert n.is_null()
    assert n.has_null_identifier()

    n = ua.NodeId("", 0)
    assert n.is_null()
    assert n.has_null_identifier()

    n = ua.TwoByteNodeId(0)
    assert n.is_null()
    assert n.has_null_identifier()

    n = ua.NodeId(0, 3)
    assert n.is_null() is False
    assert n.has_null_identifier()
Esempio n. 3
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def _to_nodeid(nodeid):
    if isinstance(nodeid, int):
        return ua.TwoByteNodeId(nodeid)
    if isinstance(nodeid, Node):
        return nodeid.nodeid
    if isinstance(nodeid, ua.NodeId):
        return nodeid
    if type(nodeid) in (str, bytes):
        return ua.NodeId.from_string(nodeid)
    raise ua.UaError(f"Could not resolve '{nodeid}' to a type id")
Esempio n. 4
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def _to_nodeid(nodeid):
    if isinstance(nodeid, int):
        return ua.TwoByteNodeId(nodeid)
    elif isinstance(nodeid, Node):
        return nodeid.nodeid
    elif isinstance(nodeid, ua.NodeId):
        return nodeid
    elif type(nodeid) in (str, bytes):
        return ua.NodeId.from_string(nodeid)
    else:
        raise ua.UaError("Could not resolve '{0}' to a type id".format(nodeid))
Esempio n. 5
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 def _make_relative_path(self, path):
     rpath = ua.RelativePath()
     for item in path:
         el = ua.RelativePathElement()
         el.ReferenceTypeId = ua.TwoByteNodeId(ua.ObjectIds.HierarchicalReferences)
         el.IsInverse = False
         el.IncludeSubtypes = True
         if isinstance(item, ua.QualifiedName):
             el.TargetName = item
         else:
             el.TargetName = ua.QualifiedName.from_string(item)
         rpath.Elements.append(el)
     return rpath
Esempio n. 6
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def test_nodeid_ordering():
    a = ua.NodeId(2000, 1)
    b = ua.NodeId(3000, 1)
    c = ua.NodeId(20, 0)
    d = ua.NodeId("tititu", 1)
    e = ua.NodeId("aaaaa", 1)
    f = ua.NodeId("aaaaa", 2)
    g = ua.NodeId(uuid.uuid4(), 1)
    h = ua.TwoByteNodeId(2001)
    i = ua.NodeId(b"lkjkl", 1, ua.NodeIdType.ByteString)
    j = ua.NodeId(b"aaa", 5, ua.NodeIdType.ByteString)

    mylist = [a, b, c, d, e, f, g, h, i, j]
    mylist.sort()
    expected = [h, c, a, b, e, d, f, g, i, j]
    assert mylist == expected
Esempio n. 7
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def test_nodeid_ordering():
    a = ua.NodeId(2000, 1)
    b = ua.NodeId(3000, 1)
    c = ua.NodeId(20, 0)
    d = ua.NodeId("tititu", 1)
    e = ua.NodeId("aaaaa", 1)
    f = ua.NodeId("aaaaa", 2)
    g = ua.NodeId(uuid.uuid4(), 1)
    h = ua.TwoByteNodeId(201)
    i = ua.NodeId(b"lkjkl", 1, ua.NodeIdType.ByteString)
    j = ua.NodeId(b"aaa", 5, ua.NodeIdType.ByteString)

    mylist = [a, b, c, d, e, f, g, h, i, j]
    mylist.sort()
    expected = [h, c, a, b, e, d, f, g, i, j]
    expected = [c, h, a, b, e, d, f, g, i,
                j]  # FIXME: make sure this does not break some client/server
    assert mylist == expected
Esempio n. 8
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def test_null():
    n = ua.NodeId()
    assert n.is_null()
    assert n.has_null_identifier()

    n = ua.NodeId(0, 0)
    assert n.is_null()
    assert n.has_null_identifier()

    n = ua.NodeId("", 0)
    assert n.is_null()
    assert n.has_null_identifier()

    n = ua.TwoByteNodeId(0)
    assert n.is_null()
    assert n.has_null_identifier()

    n = ua.NodeId(0, 3)
    assert n.is_null() is False
    assert n.has_null_identifier()
Esempio n. 9
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 def get_server_node(self):
     """
     Get Server node of server. Returns a Node object.
     """
     return self.get_node(ua.TwoByteNodeId(ua.ObjectIds.Server))
Esempio n. 10
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 def get_objects_node(self):
     """
     Get Objects node of server. Returns a Node object.
     """
     return self.get_node(ua.TwoByteNodeId(ua.ObjectIds.ObjectsFolder))
Esempio n. 11
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 def get_root_node(self):
     """
     Get Root node of server. Returns a Node object.
     """
     return self.get_node(ua.TwoByteNodeId(ua.ObjectIds.RootFolder))
Esempio n. 12
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 def get_objects_node(self):
     _logger.info("get_objects_node")
     return self.get_node(ua.TwoByteNodeId(ua.ObjectIds.ObjectsFolder))
Esempio n. 13
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 def get_root_node(self):
     return self.get_node(ua.TwoByteNodeId(ua.ObjectIds.RootFolder))