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@@ 106-126 (lines=21) @@
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| 103 |
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) |
| 104 |
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| 105 |
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| 106 |
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async def create_variable(parent, nodeid, bname, val, varianttype=None, datatype=None): |
| 107 |
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""" |
| 108 |
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create a child node variable |
| 109 |
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args are nodeid, browsename, value, [variant type], [data type] |
| 110 |
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or idx, name, value, [variant type], [data type] |
| 111 |
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""" |
| 112 |
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try: |
| 113 |
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_check_browsename_exist(parent, bname) |
| 114 |
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except ua.uaerrors.BadBrowseNameDuplicated as bnameerr: |
| 115 |
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_logger.error(bnameerr) |
| 116 |
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return |
| 117 |
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nodeid, qname = _parse_nodeid_qname(nodeid, bname) |
| 118 |
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var = ua.Variant(val, varianttype) |
| 119 |
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if datatype and isinstance(datatype, int): |
| 120 |
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datatype = ua.NodeId(datatype, 0) |
| 121 |
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if datatype and not isinstance(datatype, ua.NodeId): |
| 122 |
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raise RuntimeError("datatype argument must be a nodeid or an int refering to a nodeid") |
| 123 |
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| 124 |
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return make_node( |
| 125 |
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parent.server, |
| 126 |
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await _create_variable(parent.server, parent.nodeid, nodeid, qname, var, datatype=datatype, isproperty=False) |
| 127 |
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) |
| 128 |
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| 129 |
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@@ 130-149 (lines=20) @@
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| 127 |
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) |
| 128 |
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| 129 |
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| 130 |
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async def create_variable_type(parent, nodeid, bname, datatype): |
| 131 |
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""" |
| 132 |
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Create a new variable type |
| 133 |
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args are nodeid, browsename and datatype |
| 134 |
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or idx, name and data type |
| 135 |
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""" |
| 136 |
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try: |
| 137 |
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_check_browsename_exist(parent, bname) |
| 138 |
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except ua.uaerrors.BadBrowseNameDuplicated as bnameerr: |
| 139 |
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_logger.error(bnameerr) |
| 140 |
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return |
| 141 |
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nodeid, qname = _parse_nodeid_qname(nodeid, bname) |
| 142 |
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if datatype and isinstance(datatype, int): |
| 143 |
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datatype = ua.NodeId(datatype, 0) |
| 144 |
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if datatype and not isinstance(datatype, ua.NodeId): |
| 145 |
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raise RuntimeError( |
| 146 |
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f"Data type argument must be a nodeid or an int refering to a nodeid, received: {datatype}") |
| 147 |
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return make_node( |
| 148 |
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parent.server, |
| 149 |
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await _create_variable_type(parent.server, parent.nodeid, nodeid, qname, datatype) |
| 150 |
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) |
| 151 |
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| 152 |
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@@ 83-102 (lines=20) @@
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| 80 |
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) |
| 81 |
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| 82 |
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| 83 |
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async def create_property(parent, nodeid, bname, val, varianttype=None, datatype=None): |
| 84 |
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""" |
| 85 |
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create a child node property |
| 86 |
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args are nodeid, browsename, value, [variant type] |
| 87 |
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or idx, name, value, [variant type] |
| 88 |
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""" |
| 89 |
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try: |
| 90 |
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_check_browsename_exist(parent, bname) |
| 91 |
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except ua.uaerrors.BadBrowseNameDuplicated as bnameerr: |
| 92 |
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_logger.error(bnameerr) |
| 93 |
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return |
| 94 |
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nodeid, qname = _parse_nodeid_qname(nodeid, bname) |
| 95 |
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var = ua.Variant(val, varianttype) |
| 96 |
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if datatype and isinstance(datatype, int): |
| 97 |
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datatype = ua.NodeId(datatype, 0) |
| 98 |
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if datatype and not isinstance(datatype, ua.NodeId): |
| 99 |
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raise RuntimeError("datatype argument must be a nodeid or an int refering to a nodeid") |
| 100 |
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return make_node( |
| 101 |
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parent.server, |
| 102 |
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await _create_variable(parent.server, parent.nodeid, nodeid, qname, var, datatype=datatype, isproperty=True) |
| 103 |
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) |
| 104 |
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| 105 |
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FreeOpcUa /
opcua-asyncio
