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@@ 544-559 (lines=16) @@
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| 541 |
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event_res.append(events.Event.from_event_fields(evfilter.SelectClauses, res.EventFields)) |
| 542 |
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return event_res |
| 543 |
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| 544 |
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def history_read_events(self, details): |
| 545 |
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""" |
| 546 |
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Read event history of a node, low-level function |
| 547 |
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result code from server is checked and an exception is raised in case of error |
| 548 |
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""" |
| 549 |
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valueid = ua.HistoryReadValueId() |
| 550 |
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valueid.NodeId = self.nodeid |
| 551 |
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valueid.IndexRange = '' |
| 552 |
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| 553 |
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params = ua.HistoryReadParameters() |
| 554 |
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params.HistoryReadDetails = details |
| 555 |
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params.TimestampsToReturn = ua.TimestampsToReturn.Both |
| 556 |
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params.ReleaseContinuationPoints = False |
| 557 |
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params.NodesToRead.append(valueid) |
| 558 |
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result = self.server.history_read(params)[0] |
| 559 |
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return result |
| 560 |
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| 561 |
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def delete(self, delete_references=True): |
| 562 |
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""" |
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@@ 494-509 (lines=16) @@
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| 491 |
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result = self.history_read(details) |
| 492 |
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return result.HistoryData.DataValues |
| 493 |
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| 494 |
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def history_read(self, details): |
| 495 |
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""" |
| 496 |
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Read raw history of a node, low-level function |
| 497 |
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result code from server is checked and an exception is raised in case of error |
| 498 |
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""" |
| 499 |
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valueid = ua.HistoryReadValueId() |
| 500 |
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valueid.NodeId = self.nodeid |
| 501 |
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valueid.IndexRange = '' |
| 502 |
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| 503 |
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params = ua.HistoryReadParameters() |
| 504 |
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params.HistoryReadDetails = details |
| 505 |
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params.TimestampsToReturn = ua.TimestampsToReturn.Both |
| 506 |
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params.ReleaseContinuationPoints = False |
| 507 |
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params.NodesToRead.append(valueid) |
| 508 |
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result = self.server.history_read(params)[0] |
| 509 |
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return result |
| 510 |
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| 511 |
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def read_event_history(self, starttime=None, endtime=None, numvalues=0, evtypes=ua.ObjectIds.BaseEventType): |
| 512 |
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""" |
FreeOpcUa /
python-opcua
