|
@@ 549-564 (lines=16) @@
|
| 546 |
|
event_res.append(events.Event.from_event_fields(evfilter.SelectClauses, res.EventFields)) |
| 547 |
|
return event_res |
| 548 |
|
|
| 549 |
|
def history_read_events(self, details): |
| 550 |
|
""" |
| 551 |
|
Read event history of a node, low-level function |
| 552 |
|
result code from server is checked and an exception is raised in case of error |
| 553 |
|
""" |
| 554 |
|
valueid = ua.HistoryReadValueId() |
| 555 |
|
valueid.NodeId = self.nodeid |
| 556 |
|
valueid.IndexRange = '' |
| 557 |
|
|
| 558 |
|
params = ua.HistoryReadParameters() |
| 559 |
|
params.HistoryReadDetails = details |
| 560 |
|
params.TimestampsToReturn = ua.TimestampsToReturn.Both |
| 561 |
|
params.ReleaseContinuationPoints = False |
| 562 |
|
params.NodesToRead.append(valueid) |
| 563 |
|
result = self.server.history_read(params)[0] |
| 564 |
|
return result |
| 565 |
|
|
| 566 |
|
def delete(self, delete_references=True, recursive=False): |
| 567 |
|
""" |
|
@@ 499-514 (lines=16) @@
|
| 496 |
|
result = self.history_read(details) |
| 497 |
|
return result.HistoryData.DataValues |
| 498 |
|
|
| 499 |
|
def history_read(self, details): |
| 500 |
|
""" |
| 501 |
|
Read raw history of a node, low-level function |
| 502 |
|
result code from server is checked and an exception is raised in case of error |
| 503 |
|
""" |
| 504 |
|
valueid = ua.HistoryReadValueId() |
| 505 |
|
valueid.NodeId = self.nodeid |
| 506 |
|
valueid.IndexRange = '' |
| 507 |
|
|
| 508 |
|
params = ua.HistoryReadParameters() |
| 509 |
|
params.HistoryReadDetails = details |
| 510 |
|
params.TimestampsToReturn = ua.TimestampsToReturn.Both |
| 511 |
|
params.ReleaseContinuationPoints = False |
| 512 |
|
params.NodesToRead.append(valueid) |
| 513 |
|
result = self.server.history_read(params)[0] |
| 514 |
|
return result |
| 515 |
|
|
| 516 |
|
def read_event_history(self, starttime=None, endtime=None, numvalues=0, evtypes=ua.ObjectIds.BaseEventType): |
| 517 |
|
""" |
FreeOpcUa /
python-opcua
