pexpect | 易学教程

Cannot import name 'spawn' for pexpect while using pxssh

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问题 This is the code I am trying to run: from pexpect import pxssh s = pxssh.pxssh() if not s.login ('myip', 'myusername', 'mypassword'): print ("SSH session failed on login.") print (str(s)) else: print ("SSH session login successful") s.sendline ('ls -l') s.prompt() # match the prompt print (s.before) # print everything before the prompt. s.logout() The error which I am getting on running this is : Traceback (most recent call last): File "test_pexpect.py", line 1, in <module> from pexpect

Pytest权威教程21-API参考-03-夹具(Fixtures)

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[toc] 返回: Pytest权威教程夹具(Fixtures) 参考: pytest fixtures：显式,模块化,可扩展。测试函数或其他Fixtures通过将它们声明为参数名称来RequestFixtures。需要Fixtures的测试示例如: def test_output(capsys): print("hello") out,err = capsys.readouterr() assert out == "hello\n" 需要另一个Fixtures的Fixtures示例如: @pytest.fixture def db_session(tmpdir): fn = tmpdir / "db.file" return connect(str(fn)) 有关更多详细信息,请参阅完整的Fixture方法文档。 @ pytest.fixture @fixture(scope='function', params=None, autouse=False, ids=None, name=None): 装饰器标记Fixtures工厂方法。可以使用该装饰器(带或不带参数)来定义Fixtures方法。稍后可以引用fixture函数的名称,以便在运行测试之前调用它：测试模块或类可以使用 pytest.mark.usefixtures(fixturename) 标记。

Execute CMD commands using python

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问题 what i'm trying to do is create a server and a client, the server being able to execute CMD commands. I managed to do the server-client communication but i have problems at controlling the command prompt using python. My current code is: import time import _thread import winpexpect class CommandPrompt(object): def __init__(self): self.cmd = winpexpect.winspawn('cmd.exe') def read(self): while True: if self.cmd.readline(): print(self.cmd.before) def send(self,usinput): self.cmd.sendline

Error using pexpect and multiprocessing? error “TypError: cannot serialize '_io.TextIOWrapper' object”

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问题 I have a Python 3.7 script on a Linux machine where I am trying to run a function in multiple threads, but when I try I receive the following error: Traceback (most recent call last): File "./test2.py", line 43, in <module> pt.ping_scanx() File "./test2.py", line 39, in ping_scanx par = Parallel(function=self.pingx, parameter_list=list, thread_limit=10) File "./test2.py", line 19, in __init__ self._x = self._pool.starmap(function, parameter_list, chunksize=1) File "/usr/local/lib/python3.7

Error using pexpect and multiprocessing? error “TypError: cannot serialize '_io.TextIOWrapper' object”

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What can Expect do that Pexpect can not do?

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问题 I am considering to start using Pexpect. On Pexpects homepage I find this: Q: Why not just use Expect? A: I love it. It's great. I has bailed me out of some real jams, but I wanted something that would do 90% of what I need from Expect; be 10% of the size; and allow me to write my code in Python instead of TCL. Pexpect is not nearly as big as Expect, but Pexpect does everything I have ever used Expect for. There is a 10% difference between Pexpect and Expect. So my question is what is this 10

TypeError when calling expect method of pexpect module in Python 3

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问题 I am trying to use pexpect module (version 3.3) with Python 3.4.0. I get an error TypeError: must be str, not bytes when I call child.expect method. Actual code is standard example from pexpect documentation: child = pexpect.spawn('ssh foo@bar.com') index = child.expect([pexpect.TIMEOUT, pexpect.EOF, ssh_newkey, '.*password:']) Exactly the same code works properly with pexpect module (version 3.1), and Python version 2.7.6. Pexpect documentation on GitHub states that pexpect version 3.3

Parsing pexpect output

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问题 I'm trying to parse in real time the output of a program block-buffered, which means that output is not available until the process ends. What I need is just to parse line by line, filter and manage data from the output, as it could run for hours. I've tried to capture the output with subprocess.Popen(), but yes, as you may guess, Popen can't manage this kind of behavior, it keeps buffering until end of process. from subprocess import Popen, PIPE p = Popen("my noisy stuff ", shell=True,

When I use ansible module expect, I got this msg: The pexpect python module is required

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问题 I am trying to use ansible to deploy our system. I used expect module in yml file and try using ansible-playbook to run it and got this error: fatal: [192.168.100.132]: FAILED! => {"changed": false, "failed": true, "msg": "The pexpect python module is required"} Then I downloaded the pexpect-4.2.1 package from pypi.python.org and install it by "python setup.py install". But it doesn't work and error never changed. What should I do to deal with the error ? Some code from yml file: - name: auth

How to automate shell interactive commands using Python pexpect module

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问题 I am trying to automate the setup of an application by performing SSH to the machine and goto /var/packages folder and execute the script.when the installation starts a set of interactive commands to be send based on the expected output.I found from google that pexpect can achieve this but i am unable to achieve the result that i wish. I am trying following code , can someone guide me how to achieve this as I am beginner to python.Any help would be appreciated. My application setup would look