xml-generator: be compatible with both python2.7 and 3.x

tools/xmlGenerator/EddParser.py

@@ -877,12 +877,12 @@ def parse(self, stream, verbose=False):
                 context.append(myelement)
                 context[-2].addChild(myelement)
 
-            except MySyntaxWarning, ex:
+            except MySyntaxWarning as ex:
                 ex.setLine(line, num + 1)
                 if verbose :
-                    print >>sys.stderr, ex
+                    sys.stderr.write("{}\n".format(ex))
 
-            except MySyntaxError, ex :
+            except MySyntaxErro as  ex :
                 ex.setLine(line, num + 1)
                 raise
 

tools/xmlGenerator/PFWScriptGenerator.py

@@ -133,7 +133,7 @@ def main ():
         try:
             myroot.propagate()
 
-        except EddParser.MyPropagationError, ex :
+        except EddParser.MyPropagationError as ex :
             printE(ex)
             printE("EXIT ON FAILURE")
             exit(1)

tools/xmlGenerator/domainGenerator.py

@@ -140,7 +140,7 @@ def parseEdd(EDDFiles):
 
         try:
             root.propagate()
-        except EddParser.MyPropagationError, ex :
+        except EddParser.MyPropagationError as ex :
             logging.critical(str(ex))
             logging.info("EXIT ON FAILURE")
             exit(1)