[jira] [Created] (SPARK-3458) enable use of python's "with" statements for SparkContext management

["Matthew Farrellee (JIRA)" <ji...@apache.org>]

Matthew Farrellee created SPARK-3458:
----------------------------------------

             Summary: enable use of python's "with" statements for SparkContext management
                 Key: SPARK-3458
                 URL: https://issues.apache.org/jira/browse/SPARK-3458
             Project: Spark
          Issue Type: New Feature
          Components: PySpark
            Reporter: Matthew Farrellee


best practice for managing SparkContexts involves exception handling, e.g.

```
try:
  sc = SparkContext()
  app(sc)
finally:
  sc.stop()
```

python provides the "with" statement to simplify this code, e.g.

```
with SparkContext() as sc:
  app(sc)
```

the SparkContext should be usable in a "with" statement



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