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- <title>paramiko.SSHClient</title>
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- <span class="breadcrumbs">
- <a href="paramiko-module.html">Package&nbsp;paramiko</a> ::
- Class&nbsp;SSHClient
- </span>
- </td>
- <td>
- <table cellpadding="0" cellspacing="0">
- <!-- hide/show private -->
- <tr><td align="right"><span class="options"
- >[<a href="frames.html" target="_top">frames</a
- >]&nbsp;|&nbsp;<a href="paramiko.SSHClient-class.html"
- target="_top">no&nbsp;frames</a>]</span></td></tr>
- </table>
- </td>
- </tr>
-</table>
-<!-- ==================== CLASS DESCRIPTION ==================== -->
-<h1 class="epydoc">Class SSHClient</h1><p class="nomargin-top"><span class="codelink"><a href="paramiko-pysrc.html#SSHClient">source&nbsp;code</a></span></p>
-<pre class="base-tree">
-object --+
- |
- <strong class="uidshort">SSHClient</strong>
-</pre>
-
-<hr />
-<p>A high-level representation of a session with an SSH server. This
- class wraps <a href="paramiko.Transport-class.html"
- class="link">Transport</a>, <a href="paramiko.Channel-class.html"
- class="link">Channel</a>, and <a href="paramiko.SFTPClient-class.html"
- class="link">SFTPClient</a> to take care of most aspects of
- authenticating and opening channels. A typical use case is:</p>
-<pre class="literalblock">
- client = SSHClient()
- client.load_system_host_keys()
- client.connect('ssh.example.com')
- stdin, stdout, stderr = client.exec_command('ls -l')
-</pre>
- <p>You may pass in explicit overrides for authentication and server host
- key checking. The default mechanism is to try to use local key files or
- an SSH agent (if one is running).</p>
-
-<hr />
-<div class="fields"> <p><strong>Since:</strong>
- 1.6
- </p>
-</div><!-- ==================== INSTANCE METHODS ==================== -->
-<a name="section-InstanceMethods"></a>
-<table class="summary" border="1" cellpadding="3"
- cellspacing="0" width="100%" bgcolor="white">
-<tr bgcolor="#70b0f0" class="table-header">
- <td align="left" colspan="2" class="table-header">
- <span class="table-header">Instance Methods</span></td>
-</tr>
-<tr>
- <td width="15%" align="right" valign="top" class="summary">
- <span class="summary-type">&nbsp;</span>
- </td><td class="summary">
- <table width="100%" cellpadding="0" cellspacing="0" border="0">
- <tr>
- <td><span class="summary-sig"><a href="paramiko.SSHClient-class.html#__init__" class="summary-sig-name">__init__</a>(<span class="summary-sig-arg">self</span>)</span><br />
- Create a new SSHClient.</td>
- <td align="right" valign="top">
- <span class="codelink"><a href="paramiko.client-pysrc.html">source&nbsp;code</a></span>
-
- </td>
- </tr>
- </table>
-
- </td>
- </tr>
-<tr>
- <td width="15%" align="right" valign="top" class="summary">
- <span class="summary-type">&nbsp;</span>
- </td><td class="summary">
- <table width="100%" cellpadding="0" cellspacing="0" border="0">
- <tr>
- <td><span class="summary-sig"><a name="close"></a><span class="summary-sig-name">close</span>(<span class="summary-sig-arg">self</span>)</span><br />
- Close this SSHClient and its underlying <a
- href="paramiko.Transport-class.html" class="link">Transport</a>.</td>
- <td align="right" valign="top">
- <span class="codelink"><a href="paramiko.client-pysrc.html">source&nbsp;code</a></span>
-
- </td>
- </tr>
- </table>
-
- </td>
- </tr>
-<tr>
- <td width="15%" align="right" valign="top" class="summary">
- <span class="summary-type">&nbsp;</span>
- </td><td class="summary">
- <table width="100%" cellpadding="0" cellspacing="0" border="0">
- <tr>
- <td><span class="summary-sig"><a href="paramiko.SSHClient-class.html#connect" class="summary-sig-name">connect</a>(<span class="summary-sig-arg">self</span>,
- <span class="summary-sig-arg">hostname</span>,
- <span class="summary-sig-arg">port</span>=<span class="summary-sig-default">22</span>,
- <span class="summary-sig-arg">username</span>=<span class="summary-sig-default">None</span>,
- <span class="summary-sig-arg">password</span>=<span class="summary-sig-default">None</span>,
- <span class="summary-sig-arg">pkey</span>=<span class="summary-sig-default">None</span>,
- <span class="summary-sig-arg">key_filename</span>=<span class="summary-sig-default">None</span>,
- <span class="summary-sig-arg">timeout</span>=<span class="summary-sig-default">None</span>,
- <span class="summary-sig-arg">allow_agent</span>=<span class="summary-sig-default">True</span>,
- <span class="summary-sig-arg">look_for_keys</span>=<span class="summary-sig-default">True</span>,
- <span class="summary-sig-arg">compress</span>=<span class="summary-sig-default">False</span>)</span><br />
- Connect to an SSH server and authenticate to it.</td>
- <td align="right" valign="top">
- <span class="codelink"><a href="paramiko.client-pysrc.html">source&nbsp;code</a></span>
-
- </td>
- </tr>
- </table>
-
- </td>
- </tr>
-<tr>
- <td width="15%" align="right" valign="top" class="summary">
- <span class="summary-type">tuple(ChannelFile, ChannelFile, ChannelFile)</span>
- </td><td class="summary">
- <table width="100%" cellpadding="0" cellspacing="0" border="0">
- <tr>
- <td><span class="summary-sig"><a href="paramiko.SSHClient-class.html#exec_command" class="summary-sig-name">exec_command</a>(<span class="summary-sig-arg">self</span>,
- <span class="summary-sig-arg">command</span>,
- <span class="summary-sig-arg">bufsize</span>=<span class="summary-sig-default">-1</span>)</span><br />
- Execute a command on the SSH server.</td>
- <td align="right" valign="top">
- <span class="codelink"><a href="paramiko.client-pysrc.html">source&nbsp;code</a></span>
-
- </td>
- </tr>
- </table>
-
- </td>
- </tr>
-<tr>
- <td width="15%" align="right" valign="top" class="summary">
- <span class="summary-type"><a href="paramiko.HostKeys-class.html" class="link">HostKeys</a></span>
- </td><td class="summary">
- <table width="100%" cellpadding="0" cellspacing="0" border="0">
- <tr>
- <td><span class="summary-sig"><a href="paramiko.SSHClient-class.html#get_host_keys" class="summary-sig-name">get_host_keys</a>(<span class="summary-sig-arg">self</span>)</span><br />
- Get the local <a href="paramiko.HostKeys-class.html"
- class="link">HostKeys</a> object.</td>
- <td align="right" valign="top">
- <span class="codelink"><a href="paramiko.client-pysrc.html">source&nbsp;code</a></span>
-
- </td>
- </tr>
- </table>
-
- </td>
- </tr>
-<tr>
- <td width="15%" align="right" valign="top" class="summary">
- <span class="summary-type"><a href="paramiko.Transport-class.html" class="link">Transport</a></span>
- </td><td class="summary">
- <table width="100%" cellpadding="0" cellspacing="0" border="0">
- <tr>
- <td><span class="summary-sig"><a href="paramiko.SSHClient-class.html#get_transport" class="summary-sig-name">get_transport</a>(<span class="summary-sig-arg">self</span>)</span><br />
- Return the underlying <a href="paramiko.Transport-class.html"
- class="link">Transport</a> object for this SSH connection.</td>
- <td align="right" valign="top">
- <span class="codelink"><a href="paramiko.client-pysrc.html">source&nbsp;code</a></span>
-
- </td>
- </tr>
- </table>
-
- </td>
- </tr>
-<tr>
- <td width="15%" align="right" valign="top" class="summary">
- <span class="summary-type"><a href="paramiko.Channel-class.html" class="link">Channel</a></span>
- </td><td class="summary">
- <table width="100%" cellpadding="0" cellspacing="0" border="0">
- <tr>
- <td><span class="summary-sig"><a href="paramiko.SSHClient-class.html#invoke_shell" class="summary-sig-name">invoke_shell</a>(<span class="summary-sig-arg">self</span>,
- <span class="summary-sig-arg">term</span>=<span class="summary-sig-default"><code class="variable-quote">'</code><code class="variable-string">vt100</code><code class="variable-quote">'</code></span>,
- <span class="summary-sig-arg">width</span>=<span class="summary-sig-default">80</span>,
- <span class="summary-sig-arg">height</span>=<span class="summary-sig-default">24</span>)</span><br />
- Start an interactive shell session on the SSH server.</td>
- <td align="right" valign="top">
- <span class="codelink"><a href="paramiko.client-pysrc.html">source&nbsp;code</a></span>
-
- </td>
- </tr>
- </table>
-
- </td>
- </tr>
-<tr>
- <td width="15%" align="right" valign="top" class="summary">
- <span class="summary-type">&nbsp;</span>
- </td><td class="summary">
- <table width="100%" cellpadding="0" cellspacing="0" border="0">
- <tr>
- <td><span class="summary-sig"><a href="paramiko.SSHClient-class.html#load_host_keys" class="summary-sig-name">load_host_keys</a>(<span class="summary-sig-arg">self</span>,
- <span class="summary-sig-arg">filename</span>)</span><br />
- Load host keys from a local host-key file.</td>
- <td align="right" valign="top">
- <span class="codelink"><a href="paramiko.client-pysrc.html">source&nbsp;code</a></span>
-
- </td>
- </tr>
- </table>
-
- </td>
- </tr>
-<tr>
- <td width="15%" align="right" valign="top" class="summary">
- <span class="summary-type">&nbsp;</span>
- </td><td class="summary">
- <table width="100%" cellpadding="0" cellspacing="0" border="0">
- <tr>
- <td><span class="summary-sig"><a href="paramiko.SSHClient-class.html#load_system_host_keys" class="summary-sig-name">load_system_host_keys</a>(<span class="summary-sig-arg">self</span>,
- <span class="summary-sig-arg">filename</span>=<span class="summary-sig-default">None</span>)</span><br />
- Load host keys from a system (read-only) file.</td>
- <td align="right" valign="top">
- <span class="codelink"><a href="paramiko.client-pysrc.html">source&nbsp;code</a></span>
-
- </td>
- </tr>
- </table>
-
- </td>
- </tr>
-<tr>
- <td width="15%" align="right" valign="top" class="summary">
- <span class="summary-type"><a href="paramiko.SFTPClient-class.html" class="link">SFTPClient</a></span>
- </td><td class="summary">
- <table width="100%" cellpadding="0" cellspacing="0" border="0">
- <tr>
- <td><span class="summary-sig"><a href="paramiko.SSHClient-class.html#open_sftp" class="summary-sig-name">open_sftp</a>(<span class="summary-sig-arg">self</span>)</span><br />
- Open an SFTP session on the SSH server.</td>
- <td align="right" valign="top">
- <span class="codelink"><a href="paramiko.client-pysrc.html">source&nbsp;code</a></span>
-
- </td>
- </tr>
- </table>
-
- </td>
- </tr>
-<tr>
- <td width="15%" align="right" valign="top" class="summary">
- <span class="summary-type">&nbsp;</span>
- </td><td class="summary">
- <table width="100%" cellpadding="0" cellspacing="0" border="0">
- <tr>
- <td><span class="summary-sig"><a href="paramiko.SSHClient-class.html#save_host_keys" class="summary-sig-name">save_host_keys</a>(<span class="summary-sig-arg">self</span>,
- <span class="summary-sig-arg">filename</span>)</span><br />
- Save the host keys back to a file.</td>
- <td align="right" valign="top">
- <span class="codelink"><a href="paramiko.client-pysrc.html">source&nbsp;code</a></span>
-
- </td>
- </tr>
- </table>
-
- </td>
- </tr>
-<tr>
- <td width="15%" align="right" valign="top" class="summary">
- <span class="summary-type">&nbsp;</span>
- </td><td class="summary">
- <table width="100%" cellpadding="0" cellspacing="0" border="0">
- <tr>
- <td><span class="summary-sig"><a href="paramiko.SSHClient-class.html#set_log_channel" class="summary-sig-name">set_log_channel</a>(<span class="summary-sig-arg">self</span>,
- <span class="summary-sig-arg">name</span>)</span><br />
- Set the channel for logging.</td>
- <td align="right" valign="top">
- <span class="codelink"><a href="paramiko.client-pysrc.html">source&nbsp;code</a></span>
-
- </td>
- </tr>
- </table>
-
- </td>
- </tr>
-<tr>
- <td width="15%" align="right" valign="top" class="summary">
- <span class="summary-type">&nbsp;</span>
- </td><td class="summary">
- <table width="100%" cellpadding="0" cellspacing="0" border="0">
- <tr>
- <td><span class="summary-sig"><a href="paramiko.SSHClient-class.html#set_missing_host_key_policy" class="summary-sig-name">set_missing_host_key_policy</a>(<span class="summary-sig-arg">self</span>,
- <span class="summary-sig-arg">policy</span>)</span><br />
- Set the policy to use when connecting to a server that doesn't have a
- host key in either the system or local <a
- href="paramiko.HostKeys-class.html" class="link">HostKeys</a>
- objects.</td>
- <td align="right" valign="top">
- <span class="codelink"><a href="paramiko.client-pysrc.html">source&nbsp;code</a></span>
-
- </td>
- </tr>
- </table>
-
- </td>
- </tr>
- <tr>
- <td colspan="2" class="summary">
- <p class="indent-wrapped-lines"><b>Inherited from <code>object</code></b>:
- <code>__delattr__</code>,
- <code>__format__</code>,
- <code>__getattribute__</code>,
- <code>__hash__</code>,
- <code>__new__</code>,
- <code>__reduce__</code>,
- <code>__reduce_ex__</code>,
- <code>__repr__</code>,
- <code>__setattr__</code>,
- <code>__sizeof__</code>,
- <code>__str__</code>,
- <code>__subclasshook__</code>
- </p>
- </td>
- </tr>
-</table>
-<!-- ==================== PROPERTIES ==================== -->
-<a name="section-Properties"></a>
-<table class="summary" border="1" cellpadding="3"
- cellspacing="0" width="100%" bgcolor="white">
-<tr bgcolor="#70b0f0" class="table-header">
- <td align="left" colspan="2" class="table-header">
- <span class="table-header">Properties</span></td>
-</tr>
- <tr>
- <td colspan="2" class="summary">
- <p class="indent-wrapped-lines"><b>Inherited from <code>object</code></b>:
- <code>__class__</code>
- </p>
- </td>
- </tr>
-</table>
-<!-- ==================== METHOD DETAILS ==================== -->
-<a name="section-MethodDetails"></a>
-<table class="details" border="1" cellpadding="3"
- cellspacing="0" width="100%" bgcolor="white">
-<tr bgcolor="#70b0f0" class="table-header">
- <td align="left" colspan="2" class="table-header">
- <span class="table-header">Method Details</span></td>
-</tr>
-</table>
-<a name="__init__"></a>
-<div>
-<table class="details" border="1" cellpadding="3"
- cellspacing="0" width="100%" bgcolor="white">
-<tr><td>
- <table width="100%" cellpadding="0" cellspacing="0" border="0">
- <tr valign="top"><td>
- <h3 class="epydoc"><span class="sig"><span class="sig-name">__init__</span>(<span class="sig-arg">self</span>)</span>
- <br /><em class="fname">(Constructor)</em>
- </h3>
- </td><td align="right" valign="top"
- ><span class="codelink"><a href="paramiko.client-pysrc.html">source&nbsp;code</a></span>&nbsp;
- </td>
- </tr></table>
-
- <p>Create a new SSHClient.</p>
- <dl class="fields">
- <dt>Overrides:
- object.__init__
- </dt>
- </dl>
-</td></tr></table>
-</div>
-<a name="connect"></a>
-<div>
-<table class="details" border="1" cellpadding="3"
- cellspacing="0" width="100%" bgcolor="white">
-<tr><td>
- <table width="100%" cellpadding="0" cellspacing="0" border="0">
- <tr valign="top"><td>
- <h3 class="epydoc"><span class="sig"><span class="sig-name">connect</span>(<span class="sig-arg">self</span>,
- <span class="sig-arg">hostname</span>,
- <span class="sig-arg">port</span>=<span class="sig-default">22</span>,
- <span class="sig-arg">username</span>=<span class="sig-default">None</span>,
- <span class="sig-arg">password</span>=<span class="sig-default">None</span>,
- <span class="sig-arg">pkey</span>=<span class="sig-default">None</span>,
- <span class="sig-arg">key_filename</span>=<span class="sig-default">None</span>,
- <span class="sig-arg">timeout</span>=<span class="sig-default">None</span>,
- <span class="sig-arg">allow_agent</span>=<span class="sig-default">True</span>,
- <span class="sig-arg">look_for_keys</span>=<span class="sig-default">True</span>,
- <span class="sig-arg">compress</span>=<span class="sig-default">False</span>)</span>
- </h3>
- </td><td align="right" valign="top"
- ><span class="codelink"><a href="paramiko.client-pysrc.html">source&nbsp;code</a></span>&nbsp;
- </td>
- </tr></table>
-
- <p>Connect to an SSH server and authenticate to it. The server's host
- key is checked against the system host keys (see <a
- href="paramiko.SSHClient-class.html#load_system_host_keys"
- class="link">load_system_host_keys</a>) and any local host keys (<a
- href="paramiko.SSHClient-class.html#load_host_keys"
- class="link">load_host_keys</a>). If the server's hostname is not found
- in either set of host keys, the missing host key policy is used (see <a
- href="paramiko.SSHClient-class.html#set_missing_host_key_policy"
- class="link">set_missing_host_key_policy</a>). The default policy is to
- reject the key and raise an <a href="paramiko.SSHException-class.html"
- class="link">SSHException</a>.</p>
- <p>Authentication is attempted in the following order of priority:</p>
- <ul>
- <li>
- The <code>pkey</code> or <code>key_filename</code> passed in (if any)
- </li>
- <li>
- Any key we can find through an SSH agent
- </li>
- <li>
- Any &quot;id_rsa&quot; or &quot;id_dsa&quot; key discoverable in
- <code>~/.ssh/</code>
- </li>
- <li>
- Plain username/password auth, if a password was given
- </li>
- </ul>
- <p>If a private key requires a password to unlock it, and a password is
- passed in, that password will be used to attempt to unlock the key.</p>
- <dl class="fields">
- <dt>Parameters:</dt>
- <dd><ul class="nomargin-top">
- <li><strong class="pname"><code>hostname</code></strong> (str) - the server to connect to</li>
- <li><strong class="pname"><code>port</code></strong> (int) - the server port to connect to</li>
- <li><strong class="pname"><code>username</code></strong> (str) - the username to authenticate as (defaults to the current local
- username)</li>
- <li><strong class="pname"><code>password</code></strong> (str) - a password to use for authentication or for unlocking a private
- key</li>
- <li><strong class="pname"><code>pkey</code></strong> (<a href="paramiko.PKey-class.html" class="link">PKey</a>) - an optional private key to use for authentication</li>
- <li><strong class="pname"><code>key_filename</code></strong> (str or list(str)) - the filename, or list of filenames, of optional private key(s) to
- try for authentication</li>
- <li><strong class="pname"><code>timeout</code></strong> (float) - an optional timeout (in seconds) for the TCP connect</li>
- <li><strong class="pname"><code>allow_agent</code></strong> (bool) - set to False to disable connecting to the SSH agent</li>
- <li><strong class="pname"><code>look_for_keys</code></strong> (bool) - set to False to disable searching for discoverable private key
- files in <code>~/.ssh/</code></li>
- <li><strong class="pname"><code>compress</code></strong> (bool) - set to True to turn on compression</li>
- </ul></dd>
- <dt>Raises:</dt>
- <dd><ul class="nomargin-top">
- <li><code><strong class='fraise'><a href="paramiko.BadHostKeyException-class.html">BadHostKeyException</a></strong></code> - if the server's host key could not be verified</li>
- <li><code><strong class='fraise'><a href="paramiko.AuthenticationException-class.html">AuthenticationException</a></strong></code> - if authentication failed</li>
- <li><code><strong class='fraise'><a href="paramiko.SSHException-class.html">SSHException</a></strong></code> - if there was any other error connecting or establishing an SSH
- session</li>
- <li><code><strong class='fraise'>socket.error</strong></code> - if a socket error occurred while connecting</li>
- </ul></dd>
- </dl>
-</td></tr></table>
-</div>
-<a name="exec_command"></a>
-<div>
-<table class="details" border="1" cellpadding="3"
- cellspacing="0" width="100%" bgcolor="white">
-<tr><td>
- <table width="100%" cellpadding="0" cellspacing="0" border="0">
- <tr valign="top"><td>
- <h3 class="epydoc"><span class="sig"><span class="sig-name">exec_command</span>(<span class="sig-arg">self</span>,
- <span class="sig-arg">command</span>,
- <span class="sig-arg">bufsize</span>=<span class="sig-default">-1</span>)</span>
- </h3>
- </td><td align="right" valign="top"
- ><span class="codelink"><a href="paramiko.client-pysrc.html">source&nbsp;code</a></span>&nbsp;
- </td>
- </tr></table>
-
- <p>Execute a command on the SSH server. A new <a
- href="paramiko.Channel-class.html" class="link">Channel</a> is opened and
- the requested command is executed. The command's input and output
- streams are returned as python <code>file</code>-like objects
- representing stdin, stdout, and stderr.</p>
- <dl class="fields">
- <dt>Parameters:</dt>
- <dd><ul class="nomargin-top">
- <li><strong class="pname"><code>command</code></strong> (str) - the command to execute</li>
- <li><strong class="pname"><code>bufsize</code></strong> (int) - interpreted the same way as by the built-in <code>file()</code>
- function in python</li>
- </ul></dd>
- <dt>Returns: tuple(ChannelFile, ChannelFile, ChannelFile)</dt>
- <dd>the stdin, stdout, and stderr of the executing command</dd>
- <dt>Raises:</dt>
- <dd><ul class="nomargin-top">
- <li><code><strong class='fraise'><a href="paramiko.SSHException-class.html">SSHException</a></strong></code> - if the server fails to execute the command</li>
- </ul></dd>
- </dl>
-</td></tr></table>
-</div>
-<a name="get_host_keys"></a>
-<div>
-<table class="details" border="1" cellpadding="3"
- cellspacing="0" width="100%" bgcolor="white">
-<tr><td>
- <table width="100%" cellpadding="0" cellspacing="0" border="0">
- <tr valign="top"><td>
- <h3 class="epydoc"><span class="sig"><span class="sig-name">get_host_keys</span>(<span class="sig-arg">self</span>)</span>
- </h3>
- </td><td align="right" valign="top"
- ><span class="codelink"><a href="paramiko.client-pysrc.html">source&nbsp;code</a></span>&nbsp;
- </td>
- </tr></table>
-
- <p>Get the local <a href="paramiko.HostKeys-class.html"
- class="link">HostKeys</a> object. This can be used to examine the local
- host keys or change them.</p>
- <dl class="fields">
- <dt>Returns: <a href="paramiko.HostKeys-class.html" class="link">HostKeys</a></dt>
- <dd>the local host keys</dd>
- </dl>
-</td></tr></table>
-</div>
-<a name="get_transport"></a>
-<div>
-<table class="details" border="1" cellpadding="3"
- cellspacing="0" width="100%" bgcolor="white">
-<tr><td>
- <table width="100%" cellpadding="0" cellspacing="0" border="0">
- <tr valign="top"><td>
- <h3 class="epydoc"><span class="sig"><span class="sig-name">get_transport</span>(<span class="sig-arg">self</span>)</span>
- </h3>
- </td><td align="right" valign="top"
- ><span class="codelink"><a href="paramiko.client-pysrc.html">source&nbsp;code</a></span>&nbsp;
- </td>
- </tr></table>
-
- <p>Return the underlying <a href="paramiko.Transport-class.html"
- class="link">Transport</a> object for this SSH connection. This can be
- used to perform lower-level tasks, like opening specific kinds of
- channels.</p>
- <dl class="fields">
- <dt>Returns: <a href="paramiko.Transport-class.html" class="link">Transport</a></dt>
- <dd>the Transport for this connection</dd>
- </dl>
-</td></tr></table>
-</div>
-<a name="invoke_shell"></a>
-<div>
-<table class="details" border="1" cellpadding="3"
- cellspacing="0" width="100%" bgcolor="white">
-<tr><td>
- <table width="100%" cellpadding="0" cellspacing="0" border="0">
- <tr valign="top"><td>
- <h3 class="epydoc"><span class="sig"><span class="sig-name">invoke_shell</span>(<span class="sig-arg">self</span>,
- <span class="sig-arg">term</span>=<span class="sig-default"><code class="variable-quote">'</code><code class="variable-string">vt100</code><code class="variable-quote">'</code></span>,
- <span class="sig-arg">width</span>=<span class="sig-default">80</span>,
- <span class="sig-arg">height</span>=<span class="sig-default">24</span>)</span>
- </h3>
- </td><td align="right" valign="top"
- ><span class="codelink"><a href="paramiko.client-pysrc.html">source&nbsp;code</a></span>&nbsp;
- </td>
- </tr></table>
-
- <p>Start an interactive shell session on the SSH server. A new <a
- href="paramiko.Channel-class.html" class="link">Channel</a> is opened and
- connected to a pseudo-terminal using the requested terminal type and
- size.</p>
- <dl class="fields">
- <dt>Parameters:</dt>
- <dd><ul class="nomargin-top">
- <li><strong class="pname"><code>term</code></strong> (str) - the terminal type to emulate (for example,
- <code>&quot;vt100&quot;</code>)</li>
- <li><strong class="pname"><code>width</code></strong> (int) - the width (in characters) of the terminal window</li>
- <li><strong class="pname"><code>height</code></strong> (int) - the height (in characters) of the terminal window</li>
- </ul></dd>
- <dt>Returns: <a href="paramiko.Channel-class.html" class="link">Channel</a></dt>
- <dd>a new channel connected to the remote shell</dd>
- <dt>Raises:</dt>
- <dd><ul class="nomargin-top">
- <li><code><strong class='fraise'><a href="paramiko.SSHException-class.html">SSHException</a></strong></code> - if the server fails to invoke a shell</li>
- </ul></dd>
- </dl>
-</td></tr></table>
-</div>
-<a name="load_host_keys"></a>
-<div>
-<table class="details" border="1" cellpadding="3"
- cellspacing="0" width="100%" bgcolor="white">
-<tr><td>
- <table width="100%" cellpadding="0" cellspacing="0" border="0">
- <tr valign="top"><td>
- <h3 class="epydoc"><span class="sig"><span class="sig-name">load_host_keys</span>(<span class="sig-arg">self</span>,
- <span class="sig-arg">filename</span>)</span>
- </h3>
- </td><td align="right" valign="top"
- ><span class="codelink"><a href="paramiko.client-pysrc.html">source&nbsp;code</a></span>&nbsp;
- </td>
- </tr></table>
-
- <p>Load host keys from a local host-key file. Host keys read with this
- method will be checked <i>after</i> keys loaded via <a
- href="paramiko.SSHClient-class.html#load_system_host_keys"
- class="link">load_system_host_keys</a>, but will be saved back by <a
- href="paramiko.SSHClient-class.html#save_host_keys"
- class="link">save_host_keys</a> (so they can be modified). The missing
- host key policy <a href="paramiko.AutoAddPolicy-class.html"
- class="link">AutoAddPolicy</a> adds keys to this set and saves them, when
- connecting to a previously-unknown server.</p>
- <p>This method can be called multiple times. Each new set of host keys
- will be merged with the existing set (new replacing old if there are
- conflicts). When automatically saving, the last hostname is used.</p>
- <dl class="fields">
- <dt>Parameters:</dt>
- <dd><ul class="nomargin-top">
- <li><strong class="pname"><code>filename</code></strong> (str) - the filename to read</li>
- </ul></dd>
- <dt>Raises:</dt>
- <dd><ul class="nomargin-top">
- <li><code><strong class='fraise'>IOError</strong></code> - if the filename could not be read</li>
- </ul></dd>
- </dl>
-</td></tr></table>
-</div>
-<a name="load_system_host_keys"></a>
-<div>
-<table class="details" border="1" cellpadding="3"
- cellspacing="0" width="100%" bgcolor="white">
-<tr><td>
- <table width="100%" cellpadding="0" cellspacing="0" border="0">
- <tr valign="top"><td>
- <h3 class="epydoc"><span class="sig"><span class="sig-name">load_system_host_keys</span>(<span class="sig-arg">self</span>,
- <span class="sig-arg">filename</span>=<span class="sig-default">None</span>)</span>
- </h3>
- </td><td align="right" valign="top"
- ><span class="codelink"><a href="paramiko.client-pysrc.html">source&nbsp;code</a></span>&nbsp;
- </td>
- </tr></table>
-
- <p>Load host keys from a system (read-only) file. Host keys read with
- this method will not be saved back by <a
- href="paramiko.SSHClient-class.html#save_host_keys"
- class="link">save_host_keys</a>.</p>
- <p>This method can be called multiple times. Each new set of host keys
- will be merged with the existing set (new replacing old if there are
- conflicts).</p>
- <p>If <code>filename</code> is left as <code>None</code>, an attempt will
- be made to read keys from the user's local &quot;known hosts&quot; file,
- as used by OpenSSH, and no exception will be raised if the file can't be
- read. This is probably only useful on posix.</p>
- <dl class="fields">
- <dt>Parameters:</dt>
- <dd><ul class="nomargin-top">
- <li><strong class="pname"><code>filename</code></strong> (str) - the filename to read, or <code>None</code></li>
- </ul></dd>
- <dt>Raises:</dt>
- <dd><ul class="nomargin-top">
- <li><code><strong class='fraise'>IOError</strong></code> - if a filename was provided and the file could not be read</li>
- </ul></dd>
- </dl>
-</td></tr></table>
-</div>
-<a name="open_sftp"></a>
-<div>
-<table class="details" border="1" cellpadding="3"
- cellspacing="0" width="100%" bgcolor="white">
-<tr><td>
- <table width="100%" cellpadding="0" cellspacing="0" border="0">
- <tr valign="top"><td>
- <h3 class="epydoc"><span class="sig"><span class="sig-name">open_sftp</span>(<span class="sig-arg">self</span>)</span>
- </h3>
- </td><td align="right" valign="top"
- ><span class="codelink"><a href="paramiko.client-pysrc.html">source&nbsp;code</a></span>&nbsp;
- </td>
- </tr></table>
-
- <p>Open an SFTP session on the SSH server.</p>
- <dl class="fields">
- <dt>Returns: <a href="paramiko.SFTPClient-class.html" class="link">SFTPClient</a></dt>
- <dd>a new SFTP session object</dd>
- </dl>
-</td></tr></table>
-</div>
-<a name="save_host_keys"></a>
-<div>
-<table class="details" border="1" cellpadding="3"
- cellspacing="0" width="100%" bgcolor="white">
-<tr><td>
- <table width="100%" cellpadding="0" cellspacing="0" border="0">
- <tr valign="top"><td>
- <h3 class="epydoc"><span class="sig"><span class="sig-name">save_host_keys</span>(<span class="sig-arg">self</span>,
- <span class="sig-arg">filename</span>)</span>
- </h3>
- </td><td align="right" valign="top"
- ><span class="codelink"><a href="paramiko.client-pysrc.html">source&nbsp;code</a></span>&nbsp;
- </td>
- </tr></table>
-
- <p>Save the host keys back to a file. Only the host keys loaded with <a
- href="paramiko.SSHClient-class.html#load_host_keys"
- class="link">load_host_keys</a> (plus any added directly) will be saved
- -- not any host keys loaded with <a
- href="paramiko.SSHClient-class.html#load_system_host_keys"
- class="link">load_system_host_keys</a>.</p>
- <dl class="fields">
- <dt>Parameters:</dt>
- <dd><ul class="nomargin-top">
- <li><strong class="pname"><code>filename</code></strong> (str) - the filename to save to</li>
- </ul></dd>
- <dt>Raises:</dt>
- <dd><ul class="nomargin-top">
- <li><code><strong class='fraise'>IOError</strong></code> - if the file could not be written</li>
- </ul></dd>
- </dl>
-</td></tr></table>
-</div>
-<a name="set_log_channel"></a>
-<div>
-<table class="details" border="1" cellpadding="3"
- cellspacing="0" width="100%" bgcolor="white">
-<tr><td>
- <table width="100%" cellpadding="0" cellspacing="0" border="0">
- <tr valign="top"><td>
- <h3 class="epydoc"><span class="sig"><span class="sig-name">set_log_channel</span>(<span class="sig-arg">self</span>,
- <span class="sig-arg">name</span>)</span>
- </h3>
- </td><td align="right" valign="top"
- ><span class="codelink"><a href="paramiko.client-pysrc.html">source&nbsp;code</a></span>&nbsp;
- </td>
- </tr></table>
-
- <p>Set the channel for logging. The default is
- <code>&quot;paramiko.transport&quot;</code> but it can be set to anything
- you want.</p>
- <dl class="fields">
- <dt>Parameters:</dt>
- <dd><ul class="nomargin-top">
- <li><strong class="pname"><code>name</code></strong> (str) - new channel name for logging</li>
- </ul></dd>
- </dl>
-</td></tr></table>
-</div>
-<a name="set_missing_host_key_policy"></a>
-<div>
-<table class="details" border="1" cellpadding="3"
- cellspacing="0" width="100%" bgcolor="white">
-<tr><td>
- <table width="100%" cellpadding="0" cellspacing="0" border="0">
- <tr valign="top"><td>
- <h3 class="epydoc"><span class="sig"><span class="sig-name">set_missing_host_key_policy</span>(<span class="sig-arg">self</span>,
- <span class="sig-arg">policy</span>)</span>
- </h3>
- </td><td align="right" valign="top"
- ><span class="codelink"><a href="paramiko.client-pysrc.html">source&nbsp;code</a></span>&nbsp;
- </td>
- </tr></table>
-
- <p>Set the policy to use when connecting to a server that doesn't have a
- host key in either the system or local <a
- href="paramiko.HostKeys-class.html" class="link">HostKeys</a> objects.
- The default policy is to reject all unknown servers (using <a
- href="paramiko.RejectPolicy-class.html" class="link">RejectPolicy</a>).
- You may substitute <a href="paramiko.AutoAddPolicy-class.html"
- class="link">AutoAddPolicy</a> or write your own policy class.</p>
- <dl class="fields">
- <dt>Parameters:</dt>
- <dd><ul class="nomargin-top">
- <li><strong class="pname"><code>policy</code></strong> (<a href="paramiko.MissingHostKeyPolicy-class.html"
- class="link">MissingHostKeyPolicy</a>) - the policy to use when receiving a host key from a
- previously-unknown server</li>
- </ul></dd>
- </dl>
-</td></tr></table>
-</div>
-<br />
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