python 3 support: fixes, no longer maxint, missing sys import, next change by 2to3

svn: r20637

gramps/gen/db/backup.py

@@ -133,7 +133,7 @@ def __do_export(database):
             data = cursor.first()
             while data:
                 pickle.dump(data, backup_table, 2)
-                data = next(cursor)
+                data = cursor.next()
             cursor.close()
             backup_table.close()
     except (IOError,OSError):

gramps/gen/db/write.py

@@ -1182,7 +1182,7 @@ class DbBsddb(DbBsddbRead, DbWriteBase, UpdateCallback):
 
     def create_id(self):
         return "%08x%08x" % ( int(time.time()*10000), 
-                              self.rand.randint(0, maxint))
+                              self.rand.randint(0, maxsize))
 
     def __add_object(self, obj, transaction, find_next_func, commit_func):
         if find_next_func and not obj.gramps_id:

gramps/gui/views/treemodels/flatbasemodel.py

@@ -56,6 +56,7 @@ from __future__ import print_function
 
 import logging
 import bisect
+import sys
 import time
 
 _LOG = logging.getLogger(".gui.basetreemodel")

gramps/plugins/lib/libgrdb.py

@@ -324,7 +324,7 @@ class DbGrdb(Callback):
 
     def create_id(self):
         return "%08x%08x" % ( int(time.time()*10000), 
-                              self.rand.randint(0, maxint))
+                              self.rand.randint(0, maxsize))
 
     def get_person_cursor(self):
         raise NotImplementedError