code: def downloaded_reqs_from_path(path, argv):
      
      finder = package_finder(argv)
      return [DownloadedReq(req, argv, finder) for req in
              _parse_requirements(path, finder)]
docs: Return a list of DownloadedReqs representing the requirements parsed
      out of a given requirements file.
  
      :arg path: The path to the requirements file
      :arg argv: The commandline args, starting after the subcommand