def TInstanceOf(cls):
  name = "%s.%s" % (cls.__module__, cls.__name__)

  desc = WithDesc("Instance of %s" % (Parens(name), ))

  return desc(lambda val: isinstance(val, cls))
Given some Python data, produces JSON output.
dataset/ETHPy150Open ganeti/ganeti/lib/ht.py/TInstanceOf--crossover with--dataset/ETHPy150Open california-civic-data-coalition/django-calaccess-campaign-browser/calaccess_campaign_browser/utils/serializer.py/CIRCustomSerializer.to_csv