code: def _SetField(self, args, type_info, value):
      
      if hasattr(type_info, "enum"):
        try:
          coerced_obj = type_info.enum[value.upper()]
        except KeyError:
          # A bool is an enum but serializes to "1" / "0" which are both not in
          # enum or reverse_enum.
          coerced_obj = type_info.type.FromHumanReadable(value)
      else:
        coerced_obj = type_info.type.FromHumanReadable(value)
      args.Set(type_info.name, coerced_obj)
docs: Sets fields on the arg rdfvalue object.