lib/python/pdbrc.py

   1 import atexit
   2 import os
   3 import sys
   4 import readline
   5
   6 # Command line history:
   7 histfile = os.path.expanduser("~/.pdb-history")
   8
   9 try:
  10     readline.read_history_file(histfile)
  11 except IOError:
  12     pass
  13
  14
  15 def savehist(histfile=histfile):
  16     import os
  17     import readline
  18
  19     histfilesize = os.environ.get('HISTFILESIZE') \
  20         or os.environ.get('HISTSIZE')
  21     if histfilesize:
  22         try:
  23             histfilesize = int(histfilesize)
  24         except ValueError:
  25             pass
  26         else:
  27             readline.set_history_length(histfilesize)
  28     readline.write_history_file(histfile)
  29
  30 atexit.register(savehist)
  31
  32
  33 def info(type, value, tb):
  34     # return to debugger after fatal exception (Python cookbook 14.5):
  35     import pdb
  36     import sys
  37     import traceback
  38
  39     if hasattr(sys, 'ps1') or not sys.stderr.isatty():
  40         sys.__excepthook__(type, value, tb)
  41     traceback.print_exception(type, value, tb)
  42     print
  43     pdb.pm()
  44
  45 sys.excepthook = info
  46
  47
  48 # http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/498182
  49 import pdb
  50 import rlcompleter
  51 pdb.Pdb.complete = rlcompleter.Completer().complete
  52
  53 # Cleanup any variables that could otherwise clutter up the namespace.
  54 del atexit, info, os, pdb, readline, rlcompleter, savehist, sys