[ONOS-7039] [ONOS-7044] Fix PEP8 Warnings in TestON

Change-Id: Ied79ff9caff5487a6df50466307f757468d7ca3a
diff --git a/TestON/core/testparser.py b/TestON/core/testparser.py
index 904ebc0..08e4198 100644
--- a/TestON/core/testparser.py
+++ b/TestON/core/testparser.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python
-'''
+"""
 Created on 26-Dec-2012
 Modified 2015 by ON.Lab
 
@@ -10,7 +10,7 @@
     TestON is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation, either version 2 of the License, or
-    (at your option) any later version.
+    ( at your option ) any later version.
 
     TestON is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -21,16 +21,19 @@
     along with TestON.  If not, see <http://www.gnu.org/licenses/>.
 
 
-'''
+"""
 import re
 import sys
+
+
 class TestParser:
-    def __init__(self,testFile):
-        try :
-            testFileHandler = open(testFile, 'r')
+
+    def __init__( self, testFile ):
+        try:
+            testFileHandler = open( testFile, 'r' )
         except IOError:
-            print "No such file "+testFile
-            sys.exit(0)
+            print "No such file " + testFile
+            sys.exit( 0 )
 
         testFileList = testFileHandler.readlines()
         self.testscript = testFileList
@@ -39,89 +42,89 @@
         self.statementsList = []
         index = 0
         self.statementsList = []
-        #initialSpaces = len(line) -len(line.lstrip())
-        while index < len(testFileList):
-            testFileList[index] = re.sub("^\s{8}|^\s{4}", "", testFileList[index])
+        # initialSpaces = len( line ) -len( line.lstrip() )
+        while index < len( testFileList ):
+            testFileList[ index ] = re.sub( "^\s{8}|^\s{4}", "", testFileList[ index ] )
             # Skip multiline comments
-            if re.match('^(\'\'\')|^(\"\"\")',testFileList[index],0) :
+            if re.match( '^(\'\'\' )|^( \"\"\" )', testFileList[ index ], 0 ):
                 index = index + 1
-                try :
-                    while not re.match('^\s*(\'\'\')|^\s*(\"\"\")',testFileList[index],0) :
+                try:
+                    while not re.match( '^\s*(\'\'\' )|^\s*( \"\"\" )', testFileList[ index ], 0 ):
                         index = index + 1
                 except IndexError:
                     print ''
 
             # skip empty lines and single line comments
-            elif not re.match('#|^\s*$',testFileList[index],0):
-                self.statementsList.append(testFileList[index])
+            elif not re.match( '#|^\s*$', testFileList[ index ], 0 ):
+                self.statementsList.append( testFileList[ index ] )
             index = index + 1
 
-    def case_code(self):
+    def case_code( self ):
         index = 0
         statementsList = self.statementsList
-        while index < len(statementsList):
-            m= re.match('def\s+CASE(\d+)',statementsList[index],0)
+        while index < len( statementsList ):
+            m = re.match( 'def\s+CASE(\d+)', statementsList[ index ], 0 )
             self.caseBlock = []
             if m:
                 index = index + 1
-                try :
-                    while not re.match('\s*def\s+CASE(\d+)',statementsList[index],0) :
-                        self.caseBlock.append(statementsList[index])
-                        if index < len(statementsList)-1:
+                try:
+                    while not re.match( '\s*def\s+CASE(\d+)', statementsList[ index ], 0 ):
+                        self.caseBlock.append( statementsList[ index ] )
+                        if index < len( statementsList ) - 1:
                             index = index + 1
-                        else :
+                        else:
                             break
                     index = index - 1
                 except IndexError:
                     print ''
-                self.caseCode [str(m.group(1))] = self.caseBlock
+                self.caseCode[ str( m.group( 1 ) ) ] = self.caseBlock
             index = index + 1
         return self.caseCode
 
-    def step_code(self,caseStatements):
+    def step_code( self, caseStatements ):
         index = 0
         step = 0
         stepCode = {}
         step_flag = False
-        while index < len(caseStatements):
-            m= re.match('main\.step',caseStatements[index],0)
+        while index < len( caseStatements ):
+            m = re.match( 'main\.step', caseStatements[ index ], 0 )
             stepBlock = ''
             if m:
                 step_flag = True
-                if step == 0 :
+                if step == 0:
                     i = 0
                     block = ''
-                    while i < index :
-                        block += caseStatements[i]
+                    while i < index:
+                        block += caseStatements[ i ]
                         i = i + 1
-                    stepCode[step] = block
+                    stepCode[ step ] = block
                     step = step + 1
-                stepBlock = stepBlock + caseStatements[index]
+                stepBlock = stepBlock + caseStatements[ index ]
                 index = index + 1
-                try :
-                    while not re.match('main\.step',caseStatements[index],0) :
-                        stepBlock = stepBlock + caseStatements[index]
-                        if index < len(caseStatements)-1:
+                try:
+                    while not re.match( 'main\.step', caseStatements[ index ], 0 ):
+                        stepBlock = stepBlock + caseStatements[ index ]
+                        if index < len( caseStatements ) - 1:
                             index = index + 1
-                        else :
+                        else:
                             break
                     index = index - 1
                 except IndexError:
                     print ''
-                stepCode[step] = stepBlock
+                stepCode[ step ] = stepBlock
                 step = step + 1
             index = index + 1
         # If there is no step defined !!
-        if not step_flag :
-            stepCode[step] = "".join(caseStatements)
+        if not step_flag:
+            stepCode[ step ] = "".join( caseStatements )
         return stepCode
 
-    def getStepCode(self):
+    def getStepCode( self ):
         case_step_code = {}
         case_block = self.case_code()
-        for case in case_block :
-            case_step_code[case] = {}
-            step_block = self.step_code(case_block[case])
-            for step in step_block :
-                case_step_code[case][step] = step_block[step]
+        for case in case_block:
+            case_step_code[ case ] = {}
+            step_block = self.step_code( case_block[ case ] )
+            for step in step_block:
+                case_step_code[ case ][ step ] = step_block[ step ]
         return case_step_code