__Classes and type tests

[Fredrik Lundh]

Brian van den Broek wrote:

> But the academic issue "How/Can it be done?" still itches.

class __TwoUnderBase(object):
      def __init__(self):
          if self.__class__.__name__ == "__TwoUnderBase":
              print "From __TwoUnderBase"
          else:
              print "From subclass",

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