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org.apache.spark.python

PythonHelper

object PythonHelper extends Logging

Functions to execute Python-Spark code

Copyright note: code is mostly copied from org.apache.spark.deploy.PythonRunner Changes: parameter for customized entrypoint to reuse existing spark session

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Type Members

  1. trait SparkEntryPoint extends AnyRef

Value Members

  1. final def !=(arg0: Any): Boolean
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  6. final def eq(arg0: AnyRef): Boolean
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  8. def exec[T <: SparkEntryPoint](entryPointObj: T, pythonCode: String): Unit

    Execute python code within a given Spark context/session.

    Execute python code within a given Spark context/session. This executes python as a subprocess and then has it connect back to the py4j-Gateway.

    entryPointObj

    py4j gateway entrypoint java object available in python code as gateway.entry_point. This is used to transfer SparkContext to python and can hold additional custom parameters. entryPointObj must at least implement trait SparkEntryPoint.

    pythonCode

    python code as string.

  9. final def getClass(): Class[_ <: AnyRef]
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  11. def initializeLogIfNecessary(isInterpreter: Boolean, silent: Boolean): Boolean
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  12. def initializeLogIfNecessary(isInterpreter: Boolean): Unit
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  13. final def isInstanceOf[T0]: Boolean
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  14. def isTraceEnabled(): Boolean
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  15. def log: Logger
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  16. def logDebug(msg: => String, throwable: Throwable): Unit
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  17. def logDebug(msg: => String): Unit
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  18. def logError(msg: => String, throwable: Throwable): Unit
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  19. def logError(msg: => String): Unit
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  20. def logInfo(msg: => String, throwable: Throwable): Unit
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  21. def logInfo(msg: => String): Unit
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  22. def logName: String
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  23. def logTrace(msg: => String, throwable: Throwable): Unit
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  25. def logWarning(msg: => String, throwable: Throwable): Unit
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  26. def logWarning(msg: => String): Unit
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  29. final def notifyAll(): Unit
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  30. final def synchronized[T0](arg0: => T0): T0
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  31. def toString(): String
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  32. final def wait(arg0: Long, arg1: Int): Unit
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  33. final def wait(arg0: Long): Unit
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  34. final def wait(): Unit
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  1. def finalize(): Unit
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