GitHub user potiuk added a comment to the discussion: Why doesn't
self.log.info("Hello World") or print("Hello World") work in the __init__
method of my Custom Operator?
Because operator is created when DAG structure is created - and the others are
run when the task is executed. This is basic assumpion - see also
https://airflow.apache.org/docs/apache-airflow/stable/best-practices.html#top-level-python-code.
The `__init__` of your operator - unlike the other methods you mentioned - are
"top level code" for your DAG and they are executed in parse time not "Task
execution" time.
GitHub link:
https://github.com/apache/airflow/discussions/44649#discussioncomment-11465280
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