#!/usr/bin/env python
     #
     # Copyright 2007 Doug Hellmann.
     #
     #
     #                         All Rights Reserved
     #
     # Permission to use, copy, modify, and distribute this software and
     # its documentation for any purpose and without fee is hereby
     # granted, provided that the above copyright notice appear in all
     # copies and that both that copyright notice and this permission
     # notice appear in supporting documentation, and that the name of Doug
     # Hellmann not be used in advertising or publicity pertaining to
     # distribution of the software without specific, written prior
     # permission.
     #
     # DOUG HELLMANN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
     # INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
     # NO EVENT SHALL DOUG HELLMANN BE LIABLE FOR ANY SPECIAL, INDIRECT OR
     # CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
     # OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
     # NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
     # CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
     #
     
     """Handling parse errors.
     
     """
     
     __version__ = "$Id$"
     #end_pymotw_header
     
     import shlex
     
     text = """This line is ok.
     This line has an "unfinished quote.
     This line is ok, too.
     """
     
     print 'ORIGINAL:', repr(text)
     print
     
     lexer = shlex.shlex(text)
     
     print 'TOKENS:'
     try:
         for token in lexer:
             print repr(token)
     except ValueError, err:
         first_line_of_error = lexer.token.splitlines()[0]
         print 'ERROR:', lexer.error_leader(), str(err), 'following "' + first_line_of_error + '"'