# python startup file
try:
   import readline
except ImportError:
   pass
else:
   import atexit
   import os
   import rlcompleter

   # tab completion
   readline.parse_and_bind('tab: complete')

   # history file
   histfile = os.path.join(os.environ['HOME'], '.pythonhistory')
   try:
       readline.read_history_file(histfile)
   except IOError:
       pass
   readline.set_history_length(1024)

   atexit.register(readline.write_history_file, histfile)
   del os, histfile, readline, rlcompleter