lib/python/pdbrc.py

   1 # Command line history:
   2 import os, readline
   3 histfile = os.path.expanduser("~/.pdb-history")
   4
   5 try:
   6     readline.read_history_file(histfile)
   7 except IOError:
   8     pass
   9
  10 def savehist(histfile=histfile):
  11     import os, readline
  12     histfilesize = os.environ.get('HISTFILESIZE') or \
  13                    os.environ.get('HISTSIZE')
  14     if histfilesize:
  15         try:
  16             histfilesize = int(histfilesize)
  17         except ValueError:
  18             pass
  19         else:
  20             readline.set_history_length(histfilesize)
  21     readline.write_history_file(histfile)
  22
  23 import atexit
  24 atexit.register(savehist)
  25
  26 # return to debugger after fatal exception (Python cookbook 14.5):
  27 import sys
  28 def info(type, value, tb):
  29     if hasattr(sys, 'ps1') or not sys.stderr.isatty():
  30         sys.__excepthook__(type, value, tb)
  31     import traceback, pdb
  32     traceback.print_exception(type, value, tb)
  33     print
  34     pdb.pm()
  35 sys.excepthook = info
  36
  37 # http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/498182
  38 import pdb, rlcompleter
  39 pdb.Pdb.complete = rlcompleter.Completer().complete
  40
  41 # Cleanup any variables that could otherwise clutter up the namespace.
  42 del atexit, info, os, pdb, readline, rlcompleter, savehist, sys