[jira] [Assigned] (SPARK-13697) TransformFunctionSerializer.loads doesn't restore the function's module name if it's '__main__'

["Apache Spark (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-13697?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-13697:
------------------------------------

    Assignee: Apache Spark

> TransformFunctionSerializer.loads doesn't restore the function's module name if it's '__main__'
> -----------------------------------------------------------------------------------------------
>
>                 Key: SPARK-13697
>                 URL: https://issues.apache.org/jira/browse/SPARK-13697
>             Project: Spark
>          Issue Type: Bug
>          Components: PySpark
>    Affects Versions: 1.6.0
>            Reporter: Shixiong Zhu
>            Assignee: Apache Spark
>
> Here is a reproducer
> {code}
> >>> from pyspark.streaming import StreamingContext
> >>> from pyspark.streaming.util import TransformFunction
> >>> ssc = StreamingContext(sc, 1)
> >>> func = TransformFunction(sc, lambda x: x, sc.serializer)
> >>> func.rdd_wrapper(lambda x: x)
> TransformFunction(<function <lambda> at 0x106ac8b18>)
> >>> bytes = bytearray(ssc._transformerSerializer.serializer.dumps((func.func, func.rdd_wrap_func, func.deserializers))) 
> >>> func2 = ssc._transformerSerializer.loads(bytes)
> >>> print(func2.func.__module__)
> None
> >>> print(func2.rdd_wrap_func.__module__)
> None
> >>> 
> {code}



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