On Monday, October 15, 2012 1:34:24 PM UTC-4, MRAB wrote: > On 2012-10-15 18:18, Wanderer wrote: > > > On Monday, October 15, 2012 12:34:53 PM UTC-4, MRAB wrote: > > > > > >> > > >> Yes, but you've put the message in msg, and Exception doesn't have that > > >> > > >> attribute. > > >> > > > > > > That's weird. I got this Exception class definition idea from this post by > > Guido van Rostrum, Where he gives this main function to look like > > > > > > import sys > > > import getopt > > > > > > class Usage(Exception): > > > def __init__(self, msg): > > > self.msg = msg > > > > > > def main(argv=None): > > > if argv is None: > > > argv = sys.argv > > > try: > > > try: > > > opts, args = getopt.getopt(argv[1:], "h", ["help"]) > > > except getopt.error, msg: > > > raise Usage(msg) > > > # more code, unchanged > > > except Usage, err: > > > print >>sys.stderr, err.msg > > > print >>sys.stderr, "for help use --help" > > > return 2 > > > > > > if __name__ == "__main__": > > > sys.exit(main()) > > > > > > > > > > > > > > > http://www.artima.com/weblogs/viewpost.jsp?thread=4829 > > > > > > > > Note how it explicitly prints err.msg.
Not in the raise statement. Adding the def __str__ made it work for me. Thanks -- http://mail.python.org/mailman/listinfo/python-list
