code: def _fill_file_path(line, data):
      
      def _find_file(xs, target):
          if isinstance(xs, dict):
              for v in xs.values():
                  f = _find_file(v, target)
                  if f:
                      return f
          elif isinstance(xs, (list, tuple)):
              for x in xs:
                  f = _find_file(x, target)
                  if f:
                      return f
          elif isinstance(xs, six.string_types) and os.path.exists(xs) and xs.endswith("/%s" % target):
              return xs
      orig_file = line.split("=")[-1].replace('"', '').strip()
      full_file = _find_file(data, os.path.basename(orig_file))
      if not full_file and os.path.exists(os.path.abspath(orig_file)):
          full_file = os.path.abspath(orig_file)
      assert full_file, "Did not find vcfanno input file %s" % (orig_file)
      return 'file="%s"\n' % full_file
docs: Fill in a full file path in the configuration file from data dictionary.