breaking: add python 3 compatibility to bin/cordova_plist_to_config_x…

…ml (#769)

bin/cordova_plist_to_config_xml

@@ -23,11 +23,12 @@ Converts a project's Cordova.plist file into a config.xml one. This conversion i
 Usage:
   plist2xml.py path/to/project
 """
+from __future__ import print_function
 
-import StringIO
 import fileinput
-import plistlib
+import io
 import os
+import plistlib
 import re
 import sys
 from xml.dom import minidom
@@ -88,10 +89,10 @@ def ConvertPlist(src_path, dst_path):
     root.append(ElementTree.Element('access', attrib={'origin':value}))
 
   tree = ElementTree.ElementTree(root)
-  s = StringIO.StringIO()
-  tree.write(s, encoding='UTF-8')
-  mini_dom = minidom.parseString(s.getvalue())
-  with open(dst_path, 'w') as out:
+  with io.BytesIO() as s:
+    tree.write(s, encoding='UTF-8')
+    mini_dom = minidom.parseString(s.getvalue())
+  with open(dst_path, 'wb') as out:
     out.write(mini_dom.toprettyxml(encoding='UTF-8'))
 
 
@@ -101,7 +102,7 @@ def UpdateProjectFile(path):
     if 'Cordova.plist' in line:
       line = line.replace('Cordova.plist', 'config.xml')
       line = line.replace('lastKnownFileType = text.plist.xml', 'lastKnownFileType = text.xml')
-    print line,
+    print(line, end=' ')
   file_handle.close()