Mac/Tools/twit/twit.py

   1 """twit - The Window-Independent Tracer.
   2
   3 Interface:
   4 twit.main()                                             Enter debugger in inactive interactive state
   5 twit.run(stmt, globals, locals) Enter debugger and start running stmt
   6 twit.post_mortem(traceback)             Enter debugger in post-mortem mode on traceback
   7 twit.pm()                                               Enter debugger in pm-mode on sys.last_traceback
   8
   9 main program: nothing but a bit of glue to put it all together.
  10
  11 Jack Jansen, CWI, August 1996."""
  12
  13 import os
  14 import sys
  15
  16 # Add our directory to path, if needed
  17 dirname = os.path.split(__file__)[0]
  18 if not dirname in sys.path:
  19         sys.path.append(dirname)
  20
  21 if os.name == 'mac':
  22         import MacOS
  23         MacOS.splash(502)       # Try to show the splash screen
  24         import mactwit_app; twit_app = mactwit_app
  25 else:
  26         try:
  27                 import _tkinter
  28                 have_tk = 1
  29         except ImportError:
  30                 have_tk = 0
  31         if have_tk:
  32                 import tktwit_app; twit_app = tktwit_app
  33         else:
  34                 print 'Please implementent machine-dependent code and try again:-)'
  35                 sys.exit(1)
  36
  37 import sys
  38
  39 def main():
  40         twit_app.Initialize()
  41         if os.name == 'mac':
  42                 MacOS.splash()
  43         twit_app.Twit('none', None)
  44
  45 def run(statement, globals=None, locals=None):
  46         twit_app.Initialize()
  47         twit_app.Twit('run', (statement, globals, locals))
  48
  49 def post_mortem(t):
  50         Initialize()
  51         twit_app.Twit('pm', t)
  52
  53 def pm():
  54         post_mortem(sys.last_traceback)
  55
  56 if __name__ == '__main__':
  57         main()
  58
  59