Updated context.py with method descriptions

Added descriptions for methods _initialize_context and _ensure_initialized
xiliu82 · Mar 20, 2014 · 5b23686 · 5b23686
1 parent a18ea00
commit 5b23686
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/python/pyspark/context.py b/python/pyspark/context.py
@@ -162,12 +162,18 @@ def __init__(self, master=None, appName=None, sparkHome=None, pyFiles=None,
         self._temp_dir = \
             self._jvm.org.apache.spark.util.Utils.createTempDir(local_dir).getAbsolutePath()
 
-    # Initialize SparkContext in function to allow subclass specific initialization
     def _initialize_context(self, jconf):
+        """
+        Initialize SparkContext in function to allow subclass specific initialization
+        """
         return self._jvm.JavaSparkContext(jconf)
 
     @classmethod
     def _ensure_initialized(cls, instance=None, gateway=None):
+        """
+        Checks whether a SparkContext is initialized or not.
+        Throws error if a SparkContext is already running.
+        """
         with SparkContext._lock:
             if not SparkContext._gateway:
                 SparkContext._gateway = gateway or launch_gateway()