Github user mateiz commented on a diff in the pull request:
https://github.com/apache/spark/pull/455#discussion_r13148169
--- Diff: core/src/main/scala/org/apache/spark/api/python/SerDeUtil.scala
---
@@ -0,0 +1,89 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.spark.api.python
+
+import scala.util.Try
+import org.apache.spark.rdd.RDD
+import org.apache.spark.Logging
+import scala.util.Success
+import scala.util.Failure
+import net.razorvine.pickle.Pickler
+
+/**
+ * Utilities for serialization / deserialization between Python and Java,
using MsgPack.
+ * Also contains utilities for converting
[[org.apache.hadoop.io.Writable]] ->
+ * Scala objects and primitives
+ */
+private[python] object SerDeUtil extends Logging {
+
+ /**
+ * Convert an RDD of key-value pairs to an RDD of serialized Python
objects, that is usable
+ * by PySpark. By default, if serialization fails, toString is called
and the string
+ * representation is serialized
+ */
+ def rddToPython[K, V](rdd: RDD[(K, V)]): RDD[Array[Byte]] = {
+ rdd.mapPartitions{ iter =>
--- End diff --
Add spaces before { here too
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