HyukjinKwon commented on code in PR #40534:
URL: https://github.com/apache/spark/pull/40534#discussion_r1149935560
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python/pyspark/sql/utils.py:
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@@ -193,6 +193,15 @@ def wrapped(*args: Any, **kwargs: Any) -> Any:
return cast(FuncT, wrapped)
+def require_spark_context_initialized() -> SparkContext:
+ """Raise RuntimeError if SparkContext is not initialized,
+ otherwise, returns the active SparkContext."""
+ sc = SparkContext._active_spark_context
+ if sc is None or sc._jvm is None:
+ raise RuntimeError("SparkContext must be initialized for JVM access.")
Review Comment:
I would just say something like: `SparkContext or SparkSession should be
created first` instead
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