houqp commented on a change in pull request #8545:
URL: https://github.com/apache/airflow/pull/8545#discussion_r417535040
##########
File path: airflow/models/baseoperator.py
##########
@@ -392,10 +442,79 @@ def __init__(
% (self.task_id, dag.dag_id))
self.sla = sla
self.execution_timeout = execution_timeout
+
+ # Warn about use of the deprecated SLA parameter
+ if sla and expected_finish:
+ warnings.warn(
+ "Both sla and expected_finish provided as task "
+ "parameters to {}; using expected_finish and ignoring "
+ "deprecated sla parameter.".format(self),
+ category=PendingDeprecationWarning
+ )
+ elif sla:
+ warnings.warn(
+ "sla is deprecated as a task parameter for {}; converting to "
+ "expected_finish instead.".format(self),
+ category=PendingDeprecationWarning
+ )
+ expected_finish = sla
+
+ # Set SLA parameters, batching invalid type messages into a
+ # single exception.
+ sla_param_errs: List = []
+ if expected_duration and not isinstance(expected_duration, timedelta):
Review comment:
since those arguments already have mypy type annotated, do we still need
to check it at runtime? mypy should raise these errors automatically at build
time right?
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