class_docstr: Abstract class to represent a constant or function definition.
class_docstr_tok: ["Abstract","class","to","represent","a","constant","or","function","definition","."]
code: def __init__(self, line):
      self.line = line
      self.isvalid = True
      self.comment = ""
      self.oname = ""  # original name
      self.shortname = self.glname = ""
  
imports: import os
label_desc: Use image node_id 1 to create a new Definition object  with example: obj = Definition(line)