如何停止 subprocess.Popen 的输出?如果打印量很大,打印有时会很慢.
How do you stop the output from subprocess.Popen from being output? Printing can sometimes be slow if there is a great deal of it.
如果你想彻底扔掉:
import subprocess
import os
with open(os.devnull, 'w') as fp:
cmd = subprocess.Popen(("[command]",), stdout=fp)
如果您使用的是 Python 2.5,则需要 from __future__ import with_statement
,或者干脆不要使用 with
.
If you are using Python 2.5, you will need from __future__ import with_statement
, or just don't use with
.
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