code: def from_function_def(cls, func_def):
      keyDef = cls(func_def.line)
      keyDef.parse_line()
      keyDef._set_name(func_def.keyname)
      return keyDef
  
imports: import os
label_desc: Use image node_id 1 for calling the FunctionGroup obj's underlying member method code with example usage: obj.from_function_def(cls, func_def) and returns: keyDef