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| <h1>Pexpect Examples</h1> |
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| |
| <p><span class="code">hive.py</span></p> |
| <p><blockquote> |
| This script creates SSH connections to a list of hosts that |
| you provide. Then you are given a command line prompt. Each |
| shell command that you enter is sent to all the hosts. The |
| response from each host is collected and printed. For example, |
| you could connect to a dozen different machines and reboot |
| them all at once. |
| </p></blockquote> |
| |
| <p><span class="code">script.py</span></p> |
| <p><blockquote> |
| This implements a command similar to the classic BSD |
| "script" command. |
| This will start a subshell and log all input and |
| output to a file. |
| This demonstrates the interact() method of Pexpect. |
| </p></blockquote> |
| |
| <p><span class="code">fix_cvs_files.py</span></p> |
| <p><blockquote> |
| This is for cleaning up binary files improperly |
| added to CVS. |
| This script scans the given path to find binary |
| files; |
| checks with CVS to see if the sticky options are set |
| to -kb; |
| finally if sticky options are not -kb then uses 'cvs |
| admin' to |
| set the -kb option. |
| </p></blockquote> |
| |
| <p><span class="code">ftp.py</span></p> |
| <p><blockquote> |
| This demonstrates an FTP "bookmark". |
| This connects to an ftp site; does a few ftp stuff; |
| and then gives the user |
| interactive control over the session. In this case |
| the "bookmark" is to a |
| directory on the OpenBSD ftp server. It puts you in |
| the i386 packages |
| directory. You can easily modify this for other |
| sites. |
| This demonstrates the interact() method of Pexpect. |
| </p></blockquote> |
| |
| <p><span class="code">monitor.py</span></p> |
| <p><blockquote> |
| This runs a sequence of commands on a remote host |
| using SSH. |
| It runs a simple system checks such as uptime and |
| free to monitor |
| the state of the remote host. |
| </p></blockquote> |
| |
| <p><span class="code">passmass.py</span></p> |
| <p><blockquote> |
| This will login to each given server and change the |
| password of the |
| given user. This demonstrates scripting logins and |
| passwords. |
| </p></blockquote> |
| |
| <p><span class="code">python.py</span></p> |
| <p><blockquote> |
| This starts the python interpreter and prints the |
| greeting message backwards. |
| It then gives the user iteractive control of Python. |
| It's pretty useless! |
| </p></blockquote> |
| |
| <p><span class="code">rippy.py</span></p> |
| <p><blockquote> |
| This is a wizard for mencoder. It greatly simplifies |
| the process of |
| ripping a DVD to Divx (mpeg4) format. It can |
| transcode from any |
| video file to another. It has options for resampling |
| the audio stream; |
| removing interlace artifacts, fitting to a target |
| file size, etc. |
| There are lots of options, but the process is simple |
| and easy to use. |
| </p></blockquote> |
| |
| <p><span class="code">sshls.py</span></p> |
| <p><blockquote> |
| This lists a directory on a remote machine. |
| </p></blockquote> |
| <p><span class="code">ssh_tunnel.py</span></p> |
| <p><blockquote> |
| This starts an SSH tunnel to a remote machine. It |
| monitors the connection |
| and restarts the tunnel if it goes down. |
| </p></blockquote> |
| <p><span class="code">uptime.py</span></p> |
| <p><blockquote> |
| This will run the uptime command and parse the |
| output into variables. |
| This demonstrates using a single regular expression |
| to match the output |
| of a command and capturing different variable in |
| match groups. |
| The grouping regular expression handles a wide variety of different |
| uptime formats. |
| </blockquote> |
| |
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