Start historizing events from node (typically a UA object); see history module Args: node: node or list of nodes that can be historized (UA objects) period: time delta to store the history; older data will be deleted from the storage count: number
(self, node, period=timedelta(days=7), count=0)
| 571 | self.iserver.disable_history_data_change(node) |
| 572 | |
| 573 | def historize_node_event(self, node, period=timedelta(days=7), count=0): |
| 574 | """ |
| 575 | Start historizing events from node (typically a UA object); see history module |
| 576 | Args: |
| 577 | node: node or list of nodes that can be historized (UA objects) |
| 578 | period: time delta to store the history; older data will be deleted from the storage |
| 579 | count: number of events to store in the history |
| 580 | |
| 581 | Returns: |
| 582 | """ |
| 583 | nodes = node if isinstance(node, (list, tuple)) else [node] |
| 584 | for node in nodes: |
| 585 | self.iserver.enable_history_event(node, period, count) |
| 586 | |
| 587 | def dehistorize_node_event(self, node): |
| 588 | """ |