code: def _generate_pack_target_class(dev):
          
          try:
              # Look up the target family superclass.
              superklass = PackTargets._find_family_class(dev)
  
              # Replace spaces and dashes with underscores on the new target subclass name.
              subclassName = dev.part_number.replace(' ', '_').replace('-', '_')
  
              # Create a new subclass for this target.
              targetClass = type(subclassName, (superklass,), {
                          "_pack_device": dev,
                          "__init__": _PackTargetMethods._pack_target__init__,
                          "create_init_sequence": _PackTargetMethods._pack_target_create_init_sequence,
                          "set_default_reset_type": _PackTargetMethods._pack_target_set_default_reset_type,
                      })
              return targetClass
          except (MalformedCmsisPackError, FileNotFoundError_) as err:
              LOG.warning(err)
              return None
docs: ! @brief Generates a new target class from a CmsisPackDevice.
  
          @param dev A CmsisPackDevice object.
          @return A new subclass of either CoreSightTarget or one of the family classes.