code: def ignore_patterns(*patterns):
      
      import fnmatch
      def _ignore_patterns(path, names):
          ignored_names = []
          for pattern in patterns:
              ignored_names.extend(fnmatch.filter(names, pattern))
          return set(ignored_names)
      return _ignore_patterns
docs: Function that can be used as copytree() ignore parameter.
  
      Patterns is a sequence of glob-style patterns
      that are used to exclude files