def gettz_db_metadata():
 if (len(_CLASS_ZONE_INSTANCE) == 0):
  _CLASS_ZONE_INSTANCE.append(ZoneInfoFile(getzoneinfofile_stream()))
 return _CLASS_ZONE_INSTANCE[0].metadata

def gettz_db_metadata ( ) : if ( len ( _CLASS_ZONE_INSTANCE ) == 0 ) : _CLASS_ZONE_INSTANCE . append ( ZoneInfoFile ( getzoneinfofile_stream ( ) ) ) return _CLASS_ZONE_INSTANCE [ 0 ] . metadata
get the zonefile metadata see zonefile_metadata_ :returns: a dictionary with the database metadata .