code: def getwriterinfo(self):
      # returns dictionary with information
      info = OrderedDict()
      info["Name"] = self._name
      info["Timeframe"] = TimeFrame.TName(self._timeframe)
      info["Compression"] = self._compression
  
      return info
  
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import datetime
  from datetime import datetime
  import inspect
  from .utils.py3 import range, with_metaclass
  from .lineseries import LineSeries
  from .utils import AutoOrderedDict, OrderedDict, date2num
label_desc: Use image node_id 3 for calling the DataSeries obj's underlying member method code with example usage: obj.getwriterinfo() and returns: info