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https://issues.apache.org/jira/browse/SPARK-5091?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15466855#comment-15466855
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Semet commented on SPARK-5091:
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It is a better option to use virtualenv and proper installation with pip, which
is more scalable for Python jobs. Manipulating PYTHONPATH can lead so lot of
strange behavior.
See [#14180|https://github.com/apache/spark/pull/14180].
> Hooks for PySpark tasks
> -----------------------
>
> Key: SPARK-5091
> URL: https://issues.apache.org/jira/browse/SPARK-5091
> Project: Spark
> Issue Type: New Feature
> Components: PySpark
> Reporter: Davies Liu
>
> Currently, it's not convenient to add package on executor to PYTHONPATH (we
> did not assume the environment of driver an executor are identical).
> It will be nice to have a hook to called before/after every tasks, then user
> could manipulate sys.path by pre-task-hooks.
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