potiuk commented on code in PR #37937:
URL: https://github.com/apache/airflow/pull/37937#discussion_r1535756687
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airflow/models/baseoperator.py:
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@@ -672,6 +709,21 @@ class derived from this one results in the creation of a
task object,
If set to `None` (default), the logger name will fall back to
`airflow.task.operators.{class.__module__}.{class.__name__}` (e.g.
SimpleHttpOperator will have
*airflow.task.operators.airflow.providers.http.operators.http.SimpleHttpOperator*
as logger).
+ :param allow_mixin: if True, when an operator is executed within another
one a warning message will be
Review Comment:
After the discussion, I think having a warning (i.e. True) by default here
is a safer approach. Seems that a number of people might not care currently
that there is no templating and use the operators this way, I think warning now
and possibly turning that into working feature in the future might be a better
idea than disallowing it. Simply the number of people hit by this one might be
quite big - we might not realize how many people are doing that already.
One more thing - I thin `allow_mixin` is likely not best name. Maybe `allow
nested operators` following the naming used by one of the users would be a
good idea.
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