class_docstr: An "ambiguous" datetime object. This object acts like a
  ``datetime.datetime`` object but can have any of its attributes set to
  None, meaning unspecified.
code: def __repr__(self):
      return "%s%r" % (self.__class__.__name__, self.tuple())
  
imports: import calendar
  import copy
  from datetime import date, datetime, timedelta
  from whoosh.compat import iteritems
label_desc: Use image node_id 3 for calling the adatetime obj's underlying member method code with example usage: obj.__repr__() and returns: unknown