code: def random_name(size=28):
      return "".join(random.choice(IDCHARS) for _ in xrange(size))
  
file_path: whoosh/src/whoosh/util/__init__.py
imports: from __future__ import with_statement
  import random, sys, time
  from bisect import insort
  from functools import wraps
  from whoosh.compat import xrange
label_desc: Use image node_id 1 for calling a global function with example usage: random_name(size) and returns: str