blocks|key|2681081|text|你忘了这一点：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2681082|stdin=subprocess.PIPE|code-block|syntax|javascript|2681083|要将数据发送到流程，您需要一个stdin。|offset|length|style|CODE|2681084|所以完整的陈述是：|2681085|process+=+subprocess.Popen(['sudo',+'chpasswd'],+stdout=subprocess.PIPE,+stdin=subprocess.PIPE,+stderr=subprocess.PIPE)|2681086|然后给communicate('password')打电话。|2681087|entityMap^0|0|0|F|5|0|0|0|3|N|0^^$0|@$1|2|3|4|5|6|7|U|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|V|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|W|8|@$I|X|J|Y|K|L]]|9|@]|A|$]]|$1|M|3|N|5|6|7|Z|8|@]|9|@]|A|$]]|$1|O|3|P|5|D|7|10|8|@]|9|@]|A|$E|F]]|$1|Q|3|R|5|6|7|11|8|@$I|12|J|13|K|L]]|9|@]|A|$]]|$1|S|3|-4|5|6|7|14|8|@]|9|@]|A|$]]]|T|$]]

You forgot this:

<pre><code>stdin=subprocess.PIPE
</code></pre>

To send data to the process, you need a <code>stdin</code>.

So the full statement is:

<pre><code>process = subprocess.Popen(['sudo', 'chpasswd'], stdout=subprocess.PIPE, stdin=subprocess.PIPE, stderr=subprocess.PIPE)
</code></pre>

and then call <code>communicate('password')</code>.

blocks|key|2681133|text|communicate的文档指出，如果要通过communicate参数将数据发送到标准输入，则需要添加stdin=PIPE：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|2681134|http://docs.python.org/release/2.6/library/subprocess.html#subprocess.Popen.communicate|2681135|我很欣赏这只是一个框架代码，但这里还有一些其他的小注释，以防它们被使用：|2681136|2681137|如果除了useradd命令是否失败之外，您对该命令的输出不感兴趣，您最好使用subprocess.check_call，如果命令返回非零值，则会引发异常。|unordered-list-item|2681138|在第二种情况下，您应该在调用communicate('test:password')|2681139|之后检查process.returncode是否为0|2681140|entityMap|0|LINK|mutability|MUTABLE|url^0|0|B|M|B|1F|A|0|0|2F|0|0|0|0|4|7|12|L|0|E|S|0|4|I|0^^$0|@$1|2|3|4|5|6|7|Y|8|@$9|Z|A|10|B|C]|$9|11|A|12|B|C]|$9|13|A|14|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|15|8|@]|D|@$9|16|A|17|1|18]]|E|$]]|$1|H|3|I|5|6|7|19|8|@]|D|@]|E|$]]|$1|J|3|-4|5|6|7|1A|8|@]|D|@]|E|$]]|$1|K|3|L|5|M|7|1B|8|@$9|1C|A|1D|B|C]|$9|1E|A|1F|B|C]]|D|@]|E|$]]|$1|N|3|O|5|M|7|1G|8|@$9|1H|A|1I|B|C]]|D|@]|E|$]]|$1|P|3|Q|5|6|7|1J|8|@$9|1K|A|1L|B|C]]|D|@]|E|$]]|$1|R|3|-4|5|6|7|1M|8|@]|D|@]|E|$]]]|S|$T|$5|U|V|W|E|$X|G]]]]

The documentation for <code>communicate</code> says that you'll need to add <code>stdin=PIPE</code> if you're sending data to standard input via the <code>communicate</code> parameter:

<a href="http://docs.python.org/release/2.6/library/subprocess.html#subprocess.Popen.communicate" rel="noreferrer">http://docs.python.org/release/2.6/library/subprocess.html#subprocess.Popen.communicate</a>

I appreciate this is just skeleton code, but here are another couple of other small comments, in case they are of use:

<ul>
<li>If you're not interested in the output of the <code>useradd</code> command other than whether it failed or not, you might be better off using <code>subprocess.check_call</code> which will raise an exception if the command returns non-zero.</li>
<li>In the second case, you should check whether <code>process.returncode</code> is 0 after your call to <code>communicate('test:password')</code></li>
</ul>

blocks|key|4283754|text|尝试下面的代码，它将执行您所需的自动化操作|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4283755|from+subprocess+import+Popen,+PIPE,+check_call++
check_call(['useradd',+'test'])+++
proc=Popen(['passwd',+'test'],stdin=PIPE,stdout=PIPE,stderr=PIPE)++
proc.stdin.write('password\n')++
proc.stdin.write('password')++
proc.stdin.flush()++
stdout,stderr+=+proc.communicate()++
print+stdout++
print+stderr|code-block|syntax|javascript|4283756|print语句是可选的。|offset|length|style|CODE|4283757|entityMap^0|0|0|0|5|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|Q|8|@$I|R|J|S|K|L]]|9|@]|A|$]]|$1|M|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|N|$]]

Try below code which will do as you required automation

<pre><code>from subprocess import Popen, PIPE, check_call 
check_call(['useradd', 'test']) 
proc=Popen(['passwd', 'test'],stdin=PIPE,stdout=PIPE,stderr=PIPE) 
proc.stdin.write('password\n') 
proc.stdin.write('password') 
proc.stdin.flush() 
stdout,stderr = proc.communicate() 
print stdout 
print stderr
</code></pre>

<code>print</code> statements are optional.

blocks|key|1659010|text|在Ubuntu上，使用usermod|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1659011|class+SomeClass
++++def+userPasswd(self,+login,+password):
++++++++encPass+=+crypt.crypt(password)
++++++++command+=+"usermod+-p+'{0:s}'+{1:s}".format(encPass,+login)
++++++++result+=+os.system(command)
++++++++if+result+!=+0:
++++++++++++logging.error(command)
++++++++return+result|code-block|syntax|javascript|1659012|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

On Ubuntu, use usermod

<pre><code>class SomeClass
 def userPasswd(self, login, password):
 encPass = crypt.crypt(password)
 command = "usermod -p '{0:s}' {1:s}".format(encPass, login)
 result = os.system(command)
 if result != 0:
 logging.error(command)
 return result
</code></pre>

blocks|key|614372|text|我猜问题在于您忘记了sudo的-S选项。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|614373|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

I guess the issue is that you forgot the -S option for sudo.

I'm trying to automate the setup of SFTP access. This script is running as a user with sudo permissions and no password.

I can create a user like so:

<pre><code>&gt;&gt;&gt; import subprocess
&gt;&gt;&gt; process = subprocess.Popen(['sudo', 'useradd', 'test'], shell=False, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
&gt;&gt;&gt; process.communicate()
('', '')
</code></pre>

Next I need to set the user's password, but I can't figure out how. Here's what I've tried.

<pre><code>&gt;&gt;&gt; process = subprocess.Popen(['sudo', 'chpasswd'], shell=False, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
&gt;&gt;&gt; process.communicate('test:password')
</code></pre>

In my python program it has no effect, in the interactive interpreter it locks up after the first line.

What's the best way to do this?

I'm running python 2.6 on Ubuntu lucid.

How can I set a users password in linux from a python script?

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我正在尝试自动设置SFTP访问。此脚本以具有sudo权限但没有密码的用户身份运行。我可以像这样创建一个用户：>>> import subprocess>>> process = subprocess.Popen(['sudo', 'useradd', 'test'], shell=False, stdout=subpr...

问如何在linux中通过python脚本设置用户密码？
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问如何在linux中通过python脚本设置用户密码？EN