code: def getExceptionMessage(exception, frame=-1, filename=None):
      
      stack = traceback.extract_tb(sys.exc_info()[2])
      if filename:
          stack = [f for f in stack if f[0].find(filename) > -1]
  
      # badly raised exceptions can come without a stack
      if stack:
          (filename, line, func, text) = stack[frame]
      else:
          (filename, line, func, text) = ('no stack', 0, 'none', '')
  
      filename = scrubFilename(filename)
      exc = exception.__class__.__name__
      msg = ""
      # a shortcut to extract a useful message out of most exceptions
      # for now
      if str(exception):
          msg = ": %s" % str(exception)
      return "exception %(exc)s at %(filename)s:%(line)s: %(func)s()%(msg)s" \
          % locals()
docs: Return a short message based on an exception, useful for debugging.
      Tries to find where the exception was triggered.