malthe opened a new pull request #17576:
URL: https://github.com/apache/airflow/pull/17576
This adds optional operator parameters `pre_execute` and `post_execute`,
both of which run synchronously immediately before and after task execution.
For example, this can be used to skip execution for a particular day of the
week:
```python
from croniter import match
def execute_unless(cron_expr):
def hook(context):
if match(cron_expr, context["execution_date"]):
raise AirflowSkipException()
return hook
DummyOperator(..., pre_execute=execute_unless("* * * * sat"))
```
Related: #17545
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