new_contents: import cPickle as pickle
  import os
  
  class GeniaCache:
      def __init__(self):
          try:
              prefix = os.path.dirname(__file__)
              self.filename = os.path.join( prefix, 'genia_cache' )
              self.cache = pickle.load( open( self.filename , "rb" ) ) ;
          except IOError:
              self.cache = {}
  
      def has_key(self, key):
          return self.cache.has_key( str(key) )
  
      def add_map(self, key, value):
          self.cache[ str(key) ] = value
  
      def get_map(self, key):
          return self.cache[ str(key) ]
  
      def __del__(self):
          pickle.dump( self.cache, open( self.filename, "wb" ) )
  
  
subject: add genia cache