Github user BryanCutler commented on a diff in the pull request:
https://github.com/apache/spark/pull/21437#discussion_r191589537
--- Diff: python/pyspark/taskcontext.py ---
@@ -88,3 +89,9 @@ def taskAttemptId(self):
TaskAttemptID.
"""
return self._taskAttemptId
+
+ def getLocalProperty(self, key):
+ """
+ Get a local property set upstream in the driver, or None if it is
missing.
--- End diff --
If it's missing it will result in a `KeyError`, maybe you want `return
self._localProperties.get(key)` which returns `None` as the default? That
seems better to me too, although you might want to add an optional `default`
value.
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