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[ActiveState] Pickling/Storable
Python data structures containing perl data structures can be pickled if the perlpickle module is loaded. It will register the needed types/functions with copy_reg. 
  from cPickle import dump
  import perlpickle

  import perl
  x = [1,2,3,perl.array(range(3))]

  f = open("tmp.pic", "w")
  dump(x, f)
For unpickling nothing special need to be done: 
  from cPickle import load

  f = open("tmp.pic")
  x = load(f)
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