From fe648e377ae81988e7b2e868f55a53a37fde27f8 Mon Sep 17 00:00:00 2001
From: giwa <ugw.gi.world@gmail.com>
Date: Mon, 4 Aug 2014 09:47:48 -0700
Subject: [PATCH] WIP

---
 .../main/python/streaming/test_oprations.py   | 24 +++++++++++++++++++
 python/pyspark/streaming/dstream.py           |  1 -
 2 files changed, 24 insertions(+), 1 deletion(-)
 create mode 100644 examples/src/main/python/streaming/test_oprations.py

diff --git a/examples/src/main/python/streaming/test_oprations.py b/examples/src/main/python/streaming/test_oprations.py
new file mode 100644
index 0000000000000..cb338ced5f228
--- /dev/null
+++ b/examples/src/main/python/streaming/test_oprations.py
@@ -0,0 +1,24 @@
+import sys
+from operator import add
+
+from pyspark.conf import SparkConf
+from pyspark.streaming.context import StreamingContext
+from pyspark.streaming.duration import *
+
+if __name__ == "__main__":
+    if len(sys.argv) != 3:
+        print >> sys.stderr, "Usage: wordcount <hostname> <port>"
+        exit(-1)
+    conf = SparkConf()
+    conf.setAppName("PythonStreamingNetworkWordCount")
+    ssc = StreamingContext(conf=conf, duration=Seconds(1))
+
+    lines = ssc.socketTextStream(sys.argv[1], int(sys.argv[2]))
+    words = lines.flatMap(lambda line: line.split(" "))
+    mapped_words = words.map(lambda word: (word, 1))
+    count = mapped_words.reduceByKey(add)
+
+    count.pyprint()
+    ssc.start()
+#    ssc.awaitTermination()
+    ssc.stop()
diff --git a/python/pyspark/streaming/dstream.py b/python/pyspark/streaming/dstream.py
index e96fac007fa50..6332c4527d334 100644
--- a/python/pyspark/streaming/dstream.py
+++ b/python/pyspark/streaming/dstream.py
@@ -120,7 +120,6 @@ def _mergeCombiners(iterator):
                     combiners[k] = v
                 else:
                     combiners[k] = mergeCombiners(combiners[k], v)
-            return combiners.iteritems()
 
         return shuffled._mapPartitions(_mergeCombiners)