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https://issues.apache.org/jira/browse/AIRFLOW-6586?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17099619#comment-17099619
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ASF GitHub Bot commented on AIRFLOW-6586:
-----------------------------------------
turbaszek commented on a change in pull request #7197:
URL: https://github.com/apache/airflow/pull/7197#discussion_r419924642
##########
File path: airflow/sensors/base_sensor_operator.py
##########
@@ -176,3 +179,60 @@ def deps(self):
if self.reschedule:
return BaseOperator.deps.fget(self) | {ReadyToRescheduleDep()}
return BaseOperator.deps.fget(self)
+
+
+def poke_mode_only(cls):
+ """
+ Class Decorator for child classes of BaseSensorOperator to indicate
+ that instances of this class are only safe to use poke mode.
+
+ Will decorate all methods in the class to assert they did not change
+ the mode from 'poke'.
+
+ :param cls: BaseSensor class to enforce methods only use 'poke' mode.
+ :type cls: type
+ """
+ def decorate(cls):
+ if not issubclass(cls, BaseSensorOperator):
+ raise ValueError("poke_mode_only decorator should only be "
+ + "applied to subclasses of BaseSensorOperator,"
+ + f" got:{cls}.")
Review comment:
```suggestion
raise ValueError(f"poke_mode_only decorator should only be "
f"applied to subclasses of
BaseSensorOperator,"
f" got:{cls}.")
```
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> GCSUploadSessionCompleteSensor breaks in reschedule mode.
> ---------------------------------------------------------
>
> Key: AIRFLOW-6586
> URL: https://issues.apache.org/jira/browse/AIRFLOW-6586
> Project: Apache Airflow
> Issue Type: Bug
> Components: operators
> Affects Versions: 1.10.3
> Reporter: Jacob Ferriero
> Priority: Minor
>
> This sensor is stateful and loses state between reschedules.
> We should:
> # Warn about this in docstring
> # Add a `poke_mode_only` class decorator for sensors that aren't safe in
> reschedule mode.
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