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@@ 497-512 (lines=16) @@
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| 494 |
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event_res.append(events.Event.from_event_fields(evfilter.SelectClauses, res.EventFields)) |
| 495 |
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return event_res |
| 496 |
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| 497 |
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def history_read_events(self, details): |
| 498 |
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""" |
| 499 |
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Read event history of a node, low-level function |
| 500 |
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result code from server is checked and an exception is raised in case of error |
| 501 |
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""" |
| 502 |
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valueid = ua.HistoryReadValueId() |
| 503 |
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valueid.NodeId = self.nodeid |
| 504 |
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valueid.IndexRange = '' |
| 505 |
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| 506 |
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params = ua.HistoryReadParameters() |
| 507 |
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params.HistoryReadDetails = details |
| 508 |
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params.TimestampsToReturn = ua.TimestampsToReturn.Both |
| 509 |
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params.ReleaseContinuationPoints = False |
| 510 |
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params.NodesToRead.append(valueid) |
| 511 |
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result = self.server.history_read(params)[0] |
| 512 |
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return result |
| 513 |
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| 514 |
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def delete(self, delete_references=True): |
| 515 |
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""" |
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@@ 447-462 (lines=16) @@
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| 444 |
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result = self.history_read(details) |
| 445 |
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return result.HistoryData.DataValues |
| 446 |
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| 447 |
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def history_read(self, details): |
| 448 |
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""" |
| 449 |
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Read raw history of a node, low-level function |
| 450 |
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result code from server is checked and an exception is raised in case of error |
| 451 |
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""" |
| 452 |
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valueid = ua.HistoryReadValueId() |
| 453 |
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valueid.NodeId = self.nodeid |
| 454 |
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valueid.IndexRange = '' |
| 455 |
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| 456 |
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params = ua.HistoryReadParameters() |
| 457 |
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params.HistoryReadDetails = details |
| 458 |
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params.TimestampsToReturn = ua.TimestampsToReturn.Both |
| 459 |
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params.ReleaseContinuationPoints = False |
| 460 |
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params.NodesToRead.append(valueid) |
| 461 |
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result = self.server.history_read(params)[0] |
| 462 |
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return result |
| 463 |
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| 464 |
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def read_event_history(self, starttime=None, endtime=None, numvalues=0, evtypes=ua.ObjectIds.BaseEventType): |
| 465 |
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""" |
FreeOpcUa /
python-opcua
