linting and adding example usage

Author: Bryan Apperson

examples/copy_pool.py

@@ -0,0 +1,10 @@
+#!/usr/bin/env python
+from pyradosutils import common_utils
+
+# Optionally you can pass in the keyring and ceph.conf
+# locations as strings.
+thiscluster = common_utils.Cluster()
+# Replace these empty stings with your source and target pool names
+source = ''
+target = ''
+thiscluster.copy_pool(source, target)

modules/__init__.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 import rados
 
 '''Utilities for RADOS in python.

modules/common_utils.py

@@ -12,9 +12,9 @@
     index = sys.argv.index('--sourcedir')
     sys.argv.pop(index)
     sourcedir = sys.argv.pop(index)
-    print "starting dir:", startdir
+    print ("starting dir:", startdir)
     os.chdir(sourcedir)
-    print "present dir:", os.getcwd()
+    print ("present dir:", os.getcwd())
 
 
 def get_version():