#!/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. # """Example use of popen() varients from os. """ # Ignore deprecation warnings import warnings warnings.filterwarnings('ignore', 'os.popen.* is deprecated.*',) #end_pymotw_header import os print 'popen2, cmd as sequence:' pipe_stdin, pipe_stdout = os.popen2(['cat', '-']) try: pipe_stdin.write('through stdin to stdout') finally: pipe_stdin.close() try: stdout_value = pipe_stdout.read() finally: pipe_stdout.close() print '\tpass through:', repr(stdout_value)