code: def __init__(self):
      self.byteStream = None
      self.characterStream = None
      self.stringData = None
      self.encoding = None
      self.publicId = None
      self.systemId = None
      self.baseURI = None
  
imports: import copy
  import xml.dom
  from xml.dom.NodeFilter import NodeFilter
label_desc: Use image node_id 1 to create a new DOMInputSource object from inherited base classes: object with example: obj = DOMInputSource()