X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=csit%2Flibraries%2FCommon.py;h=d8bc1255cf11d976dc4af9e9f182c192925b82f4;hb=d93ceab2af991b4377c521361cd359ab4a16c1b1;hp=424320c5bad4ec0055941224e22189a9f70b2dae;hpb=59e81c38620fa1b61e15771191e35771450b9499;p=integration%2Ftest.git

diff --git a/csit/libraries/Common.py b/csit/libraries/Common.py
index 424320c5ba..d8bc1255cf 100644
--- a/csit/libraries/Common.py
+++ b/csit/libraries/Common.py
@@ -5,9 +5,9 @@ Updated: 2013-11-14
 """
 import collections
 
-'''
+"""
 Common constants and functions for the robot framework.
-'''
+"""
 
 
 def collection_should_contain(collection, *members):
@@ -28,11 +28,11 @@ def combine_strings(*strings):
     Combines the given `strings` together and returns the result.
     The given strings are not altered by this keyword.
     """
-    result = ''
+    result = ""
     for s in strings:
-        if isinstance(s, str) or isinstance(s, unicode):
+        if isinstance(s, str) or isinstance(s, str):
             result += s
-    if result == '':
+    if result == "":
         return None
     else:
         return result
@@ -45,39 +45,40 @@ def compare_xml(xml1, xml2):
     It just split the xml in to lines and just check the line is in
     the other file
     """
-    for line in xml1.rstrip().split('\n'):
-        if line not in xml2.rstrip().split('\n'):
+    for line in xml1.rstrip().split("\n"):
+        if line not in xml2.rstrip().split("\n"):
             return False
 
-    for line in xml2.rstrip().split('\n'):
-        if line not in xml1.rstrip().split('\n'):
+    for line in xml2.rstrip().split("\n"):
+        if line not in xml1.rstrip().split("\n"):
             return False
 
     return True
 
 
 def num_of_nodes(depth, fanout):
-    '''returns num of switches of a mininet with tree topology
+    """returns num of switches of a mininet with tree topology
     with particular depth and fanout parameters
-    '''
+    """
     result = 0
-    for i in xrange(depth):
+    for i in range(depth):
         result += fanout**i
     return result
 
 
 def num_of_links_for_node(nodeid, leaflist, fanout):
-    '''
+    """
     If the given node is a leaf node, there will be an only one link for it
     and nodeid will be represented 2 times in topology
     If the given node is not a leaf node, then there will be fanout+1 links
     for it and nodeid will be represented (fanout+1)*2 times in topology
 
     p.s. root node is excluded.
-    '''
+    """
     if nodeid in leaflist:
         return 1
-    return (fanout+1)
+    return fanout + 1
+
 
-if __name__ == '__main__':
-    print(num_of_nodes(3, 4))
+if __name__ == "__main__":
+    print((num_of_nodes(3, 4)))