class_docstr: Mapping that only sees ``Source`` instances (i.e., generated source code blocks).
code: def __init__(self, attributes):
      super().__init__(attributes, Source)
  
imports: from collections.abc import MutableMapping
  from numbers import Integral
  from hls4ml.model.types import NamedType, Source, TensorVariable, WeightVariable
  from hls4ml.utils.string_utils import convert_to_pascal_case
label_desc: Use image node_id 1 to create a new CodeMapping object from inherited base classes: AttributeMapping with example: obj = CodeMapping(attributes)