code: def assemble_remotes(resource):
      
      resource_type = classify_resource_type(resource)
  
      if resource_type is None:
          juicer.utils.Log.log_debug("Could not classify or find the input resource.")
          return []
      elif resource_type == REMOTE_PKG_TYPE:
          return [resource]
      elif resource_type == REMOTE_INDEX_TYPE:
          return parse_directory_index(resource)
      elif resource_type == REMOTE_INPUT_FILE_TYPE:
          # Later on this could examine the excluded data for directory
          # indexes and iterate over those too.
          remote_packages, excluded_data = parse_input_file(resource)
          return remote_packages
docs: Using the specified input resource, assemble a list of rpm URLS.
  
      This function will, when given a remote package url, directory
      index, or a combination of the two in a local input file, do all
      the work required to turn that input into a list of only remote
      package URLs.