code: def south_field_triple(self):
          
          # We'll just introspect the _actual_ field.
          from south.modelsinspector import introspector
          field_class = '%s.%s' % (self.__module__, self.__class__.__name__)
          args, kwargs = introspector(self)
          kwargs.update({
              'length': repr(self.length),
              'exclude_upper': repr(self.exclude_upper),
              'exclude_lower': repr(self.exclude_lower),
              'exclude_digits': repr(self.exclude_digits),
              'exclude_vowels': repr(self.exclude_vowels),
          })
          # That's our definition!
          return (field_class, args, kwargs)
docs: Returns a suitable description of this field for South.