Computer scienceData scienceInstrumentsAirflow

Operators, hooks, and sensors in Airflow

Python Operator trick

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PythonOperator seems quite useful, allowing you to execute arbitrary Python code with them.

But what kind of caveats does a PythonOperator introduce?

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Doesn't allow to connect to the external APIs

Is especially prone to introducing high coupling into the DAG

Makes testing more difficult

Lacks proper dependency managment

Executes everything inside the Airflow worker itself

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