2620: GEPS 031: Python 3 support - 3.2

This does patch updates Gramps to the 3.2 syntax, it does not yet mean Gramps works with python 3.2
Expect next day commits to fix further issues, but this is the main 2to3 tool created patch changed
where needed to have python 2.7 work. 
Specific issues might be:
  1. next has been changed, must be checked
  2. new division as on the wiki page listed is to do
  3. ...


svn: r20634

gramps/gen/db/dictionary.py

@@ -26,7 +26,11 @@
 # Gramps Modules
 #
 #------------------------------------------------------------------------
-import cPickle
+import sys
+if sys.version_info[0] < 3:
+    import cPickle as pickle
+else:
+    import pickle
 import base64
 import time
 import re
@@ -52,6 +56,7 @@ from ..lib.place import Place
 from ..lib.repo import Repository
 from ..lib.note import Note
 from ..lib.tag import Tag
+from ..constfunc import STRTYPE
 
 class Cursor(object):
     """
@@ -264,7 +269,7 @@ class DictionaryDb(DbWriteBase, DbReadBase):
 
     @staticmethod
     def _validated_id_prefix(val, default):
-        if isinstance(val, basestring) and val:
+        if isinstance(val, STRTYPE) and val:
             try:
                 str_ = val % 1
             except TypeError:           # missing conversion specifier