migration/from2to3.py

   1 from BTrees.OOBTree import OOBTree
   2 from BTrees.IOBTree import IOBTree
   3
   4 def migrate(p) :
   5         if hasattr(p, '_variants') :
   6                 delattr(p, '_variants')
   7
   8         if not hasattr(p, 'tiles_available') :
   9                 p.tiles_available = 0
  10
  11
  12         if hasattr(p, '_methodResultsCache') and p._methodResultsCache.has_key('_getTile'):
  13                 p._tiles = OOBTree()
  14                 for args, value in p._methodResultsCache['_getTile'].items() :
  15                         args = dict(args)
  16                         zoom = float(args['zoom'])
  17                         x = int(args['x'])
  18                         y = int(args['y'])
  19
  20                         if not p._tiles.has_key(zoom) :
  21                                 p._tiles[zoom] = IOBTree()
  22                         if not p._tiles[zoom].has_key(x) :
  23                                 p._tiles[zoom][x] = IOBTree()
  24
  25                         p._tiles[zoom][x][y] = value
  26                 del p._methodResultsCache['_getTile']
  27
  28         elif not hasattr(p, '_tiles'):
  29                 p._tiles = OOBTree()
  30                 p.tiles_available = 0