code: def register_arrays(self, arrays):
          
  
          if isinstance(arrays, collections.Mapping):
              arrays = arrays.itervalues()
  
          for ary in arrays:
              self.register_array(**ary)
docs: Register arrays using a list of dictionaries defining the arrays.
  
          The list should itself contain dictionaries. i.e.
  
          .. code-block:: python
  
              D = [{ 'name':'uvw', 'shape':(3,'ntime','nbl'),'dtype':np.float32 },
                  { 'name':'lm', 'shape':(2,'nsrc'),'dtype':np.float32 }]
  
          Parameters
          ----------
          arrays : A list or dict.
              A list or dictionary of dictionaries describing arrays.