Stop a pipeline programmatically

[schergui-thefork]

Hello,

I have a hook that runs a data check and I would like to know what's the best way to stop the currently running pipeline as well as stop the other pipelines from being executed programmatically (I want to stop the execution of kedro from within python if the data quality checks are not ok)

Thanks

[noklam]

@schergui-thefork For that you can simply raise an Exception, it may be more appropriate to have your custom exception such as DataQualityCheckFailureError etc. Or if you are using libraries like great-expectations or pandera they probably have the Exception class in place already.

[antonymilne]

FYI if you want to put some custom behaviour in when the exception is raised, you could use the on_node_error or on_pipeline_error hooks. These take an argument error so you could do if isinstance(error, DataQualityCheckFailureError) and put custom logic in there.