Why can not catch the inner exception

[kelvin.you at gmail.com]

On 6 7 ,   10 53 , "Mark T" <nos... at nospam.com> wrote:
> "               " <kelvin.... at gmail.com> wrote in message
>
> news:1181215054.826742.75930 at n15g2000prd.googlegroups.com...
>
>
>
>
>
> > Please see the follow code,  I can not catch the exception " IOError"
> > raised from shutil.copyfile() , why?
> >                try:
> >                    if (DEST_TYPE & TYPE_FTP):
> >                        fn = oname
> >                        ftpc.UploadFile(f, fn)
> >                    else:
> >                        fn = os.path.join(dst, oname)
> >                        shutil.copyfile(f, fn)
>
> >                    .... other code....
>
> >                except [IOError, FtpcException],why:
> >                    num = 0
> >                    print >>sys.stderr, "can not copy '%s' to '%s':
> > %s"%(f, fn, why)
> >                    ERR_NUM += 1
>
> > I must do like this:
> >                try:
> >                    if (DEST_TYPE & TYPE_FTP):
> >                        fn = oname
> >                        ftpc.UploadFile(f, fn)
> >                    else:
> >                        fn = os.path.join(dst, oname)
> >                        try:
> >                             shutil.copyfile(f, fn)
> >                        except IOError:
> >                                   ....
>
> >                    .... other code....
>
> >                except [IOError, FtpcException],why:
> >                    num = 0
> >                    print >>sys.stderr, "can not copy '%s' to '%s':
> > %s"%(f, fn, why)
> >                    ERR_NUM += 1
>
> > Thanks!
>
>   ,
>
> Use a tuple (IOError,FtpcException) instead of a list in the except
> statement and it works.
>
> --  -         -
>
> -         -

Thank you!
  :-)