parameters: (bases, name, qualname, members, module,
                          class_tracker_id, extra)
return_statement: return _lookup_class_or_track(class_tracker_id, enum_class)
docstring: Build dynamic enum with an empty __dict__ to be filled once memoized
  
      The creation of the enum class is inspired by the code of
      EnumMeta._create_.
  
      If class_tracker_id is not None, try to lookup an existing enum definition
      matching that id. If none is found, track a newly reconstructed enum
      definition under that id so that other instances stemming from the same
      class id will also reuse this enum definition.
  
      The "extra" variable is meant to be a dict (or None) that can be used for
      forward compatibility shall the need arise.
docstring_summary: Build dynamic enum with an empty __dict__ to be filled once memoized
docstring_tokens: Build dynamic enum with an empty __dict__ to be filled once memoized
function: def _make_skeleton_enum(bases, name, qualname, members, module,
                          class_tracker_id, extra):
      """Build dynamic enum with an empty __dict__ to be filled once memoized
  
      The creation of the enum class is inspired by the code of
      EnumMeta._create_.
  
      If class_tracker_id is not None, try to lookup an existing enum definition
      matching that id. If none is found, track a newly reconstructed enum
      definition under that id so that other instances stemming from the same
      class id will also reuse this enum definition.
  
      The "extra" variable is meant to be a dict (or None) that can be used for
      forward compatibility shall the need arise.
      """
      # enums always inherit from their base Enum class at the last position in
      # the list of base classes:
      enum_base = bases[-1]
      metacls = enum_base.__class__
      classdict = metacls.__prepare__(name, bases)
  
      for member_name, member_value in members.items():
          classdict[member_name] = member_value
      enum_class = metacls.__new__(metacls, name, bases, classdict)
      enum_class.__module__ = module
      enum_class.__qualname__ = qualname
  
      return _lookup_class_or_track(class_tracker_id, enum_class)
function_tokens: def _make_skeleton_enum ( bases , name , qualname , members , module , class_tracker_id , extra ) : # enums always inherit from their base Enum class at the last position in # the list of base classes: enum_base = bases [ - 1 ] metacls = enum_base . __class__ classdict = metacls . __prepare__ ( name , bases ) for member_name , member_value in members . items ( ) : classdict [ member_name ] = member_value enum_class = metacls . __new__ ( metacls , name , bases , classdict ) enum_class . __module__ = module enum_class . __qualname__ = qualname return _lookup_class_or_track ( class_tracker_id , enum_class )