code: def make_bundle(bundle, fixed_version=None):
      
      tmp_output_file_name = '%s.%s.%s' % (os.path.join(bundle.bundle_file_root, bundle.bundle_filename), 'temp', bundle.bundle_type)
  
      iter_input = iter_bundle_files(bundle)
  
      output_pipeline = processor_pipeline(bundle.processors, iter_input)
  
      m = md5()
  
      with open(tmp_output_file_name, 'wb') as output_file:
          for chunk in output_pipeline:
              m.update(chunk)
              output_file.write(chunk)
  
      hash_version = fixed_version or m.hexdigest()
  
      output_file_name = bundle.get_path(hash_version)
  
      os.rename(tmp_output_file_name, output_file_name)
  
      return hash_version
docs: Does all of the processing required to create a bundle and write it to disk, returning its hash version