#!/usr/bin/env python
"""
listdir.py - List A Directory
Author: Sean B. Palmer
License: GPL 2; share and enjoy!

For use in CGI scripts.
"""

import os, time

def format(dirname): 
   filenames = [os.path.join(dirname, fn) for fn in os.listdir(dirname)]
   filenames.sort()
   for fn in filenames: 
      stat = os.stat(fn)
      mtime, size = stat.st_mtime, stat.st_size
      lastmod = time.strftime('%Y-%m-%d %H:%M', time.gmtime(mtime))
      size = str(size) + ' bytes'
      if os.path.isdir(fn): 
         ftype = 'd'
         size = '-'
      else: ftype = 'f'
      yield ftype, fn, lastmod, size

def html(dirname=None): 
   dirname = dirname or '.'
   for (ftype, fn, mtime, size) in format(dirname): 
      decor = {'f': '', 'd': '/'}[ftype]
      if fn.startswith('./'): 
        fn = fn[2:]
      yield '<li><a href="%s%s">%s%s</a> (mtime: %s) (%s)</li>' % \
            (fn, decor, fn, decor, mtime, size)

def main(): 
   print __doc__.lstrip()

if __name__=="__main__": 
   main()