pexpect example

1. What does Pexpect spawn do?
2. How do I run Pexpect in Python?
3. How do you SSH with Pexpect?
4. What is Pexpect timeout?
5. Does Pexpect work on Windows?
6. How do you close Pexpect?
7. How do I increase my Pexpect buffer size?
8. How do I import a Pexpect module into Python?

What does Pexpect spawn do?

Pexpect is a Python module for spawning child applications and controlling them automatically. Pexpect can be used for automating interactive applications such as ssh, ftp, passwd, telnet, etc. It can be used to a automate setup scripts for duplicating software package installations on different servers.

How do I run Pexpect in Python?

i)password': mypassword) **Examples** Start the apache daemon on the local machine:: from pexpect import * run("/usr/local/apache/bin/apachectl start") Check in a file using SVN:: from pexpect import * run("svn ci -m 'automatic commit' my_file.py") Run a command and capture exit status:: from pexpect import * ( ...

How do you SSH with Pexpect?

Example showing how to specify SSH options: from pexpect import pxssh s = pxssh. pxssh(options= "StrictHostKeyChecking": "no", "UserKnownHostsFile": "/dev/null") ...

What is Pexpect timeout?

If you wish to read up to the end of the child's output without generating an EOF exception then use the expect(pexpect. EOF) method. TIMEOUT. The expect() and read() methods will also timeout if the child does not generate any output for a given amount of time. If this happens they will raise a TIMEOUT exception.

Does Pexpect work on Windows?

As of version 4.0, Pexpect can be used on Windows and POSIX systems.

How do you close Pexpect?

The elegant way is to send exit\r or CTRL-D and wait for EOF . But it's also fine to simply exit the script (Expect, pexpect or winexpect) after you've done with the SSH session and don't care about the exit status of the SSH session.

How do I increase my Pexpect buffer size?

For normal use, see expect() and send() and sendline(). The maxread attribute sets the read buffer size. This is maximum number of bytes that Pexpect will try to read from a TTY at one time. Setting the maxread size to 1 will turn off buffering.

How do I import a Pexpect module into Python?

import pexpect child = pexpect. spawn ('ftp ftp.openbsd.org') child. expect ('Name . *: ') child.