Github user ahirreddy commented on a diff in the pull request:
https://github.com/apache/spark/pull/363#discussion_r11560776
--- Diff: python/pyspark/rdd.py ---
@@ -1387,6 +1387,95 @@ def _jrdd(self):
def _is_pipelinable(self):
return not (self.is_cached or self.is_checkpointed)
+class Row(dict):
+ """
+ An extended L{dict} that takes a L{dict} in its constructor, and
exposes those items as fields.
+
+ >>> r = Row({"hello" : "world", "foo" : "bar"})
+ >>> r.hello
+ 'world'
+ >>> r.foo
+ 'bar'
+ """
+
+ def __init__(self, d):
+ d.update(self.__dict__)
+ self.__dict__ = d
+ dict.__init__(self, d)
--- End diff --
In Python the first constructor (__init__) that's invoked is the that of
the subclass, and it needs to explicitly call the parent constructor if it
wants to use it. So in this case, I need to explicitly call on the dict type's
__init__ to run through that constructor
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