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        如何使用子进程popen Python

        How to use subprocess popen Python(如何使用子进程popen Python)
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                  本文介绍了如何使用子进程popen Python的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着跟版网的小编来一起学习吧!

                  问题描述

                  由于 os.popensubprocess.popen 取代,我想知道如何转换

                  Since os.popen is being replaced by subprocess.popen, I was wondering how would I convert

                  os.popen('swfdump /tmp/filename.swf/ -d')
                  

                  subprocess.popen()

                  我试过了:

                  subprocess.Popen("swfdump /tmp/filename.swf -d")
                  subprocess.Popen("swfdump %s -d" % (filename))  # NOTE: filename is a variable
                                                                  # containing /tmp/filename.swf
                  

                  但我想我没有正确地写出来.任何帮助,将不胜感激.谢谢

                  But I guess I'm not properly writing this out. Any help would be appreciated. Thanks

                  推荐答案

                  subprocess.Popen 采用参数列表:

                  from subprocess import Popen, PIPE
                  
                  process = Popen(['swfdump', '/tmp/filename.swf', '-d'], stdout=PIPE, stderr=PIPE)
                  stdout, stderr = process.communicate()
                  

                  甚至还有一个 部分文档 致力于帮助用户从 os.popen 迁移到 subprocess.

                  There's even a section of the documentation devoted to helping users migrate from os.popen to subprocess.

                  这篇关于如何使用子进程popen Python的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持跟版网!

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