[SPARK-7711] Add a startTime property to match the corresponding one in Scala

Author: Holden Karau <holden@pigscanfly.ca>

Closes #6275 from holdenk/SPARK-771-startTime-is-missing-from-pyspark and squashes the following commits:

06662dc [Holden Karau] add mising blank line for style checks
7a87410 [Holden Karau] add back missing newline
7a7876b [Holden Karau] Add a startTime property to match the corresponding one in the Scala SparkContext

2 files changed, 9 insertions, 0 deletions

diff --git a/python/pyspark/context.py b/python/pyspark/context.py
index 1f2b40b29f..aeb7ad4f2f 100644
--- a/python/pyspark/context.py
+++ b/python/pyspark/context.py
@@ -292,6 +292,11 @@ class SparkContext(object):
         return self._jsc.version()
 
     @property
+    def startTime(self):
+        """Return the epoch time when the Spark Context was started."""
+        return self._jsc.startTime()
+
+    @property
     def defaultParallelism(self):
         """
         Default level of parallelism to use when not given by user (e.g. for
diff --git a/python/pyspark/tests.py b/python/pyspark/tests.py
index d8e319994c..f9fb37f7fc 100644
--- a/python/pyspark/tests.py
+++ b/python/pyspark/tests.py
@@ -1809,6 +1809,10 @@ class ContextTests(unittest.TestCase):
 
             sc.stop()
 
+    def test_startTime(self):
+        with SparkContext() as sc:
+            self.assertGreater(sc.startTime, 0)
+
 
 @unittest.skipIf(not _have_scipy, "SciPy not installed")
 class SciPyTests(PySparkTestCase):