File: //usr/share/doc/python3-dev/html/library/ftplib.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" /><meta name="generator" content="Docutils 0.17.1: http://docutils.sourceforge.net/" />
<title>ftplib — FTP protocol client — Python 3.10.12 documentation</title><meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" type="text/css" href="../_static/pygments.css" />
<link rel="stylesheet" type="text/css" href="../_static/pydoctheme.css?2022.1" />
<script data-url_root="../" id="documentation_options" src="../_static/documentation_options.js"></script>
<script src="../_static/jquery.js"></script>
<script src="../_static/underscore.js"></script>
<script src="../_static/doctools.js"></script>
<script src="../_static/sidebar.js"></script>
<link rel="search" type="application/opensearchdescription+xml"
title="Search within Python 3.10.12 documentation"
href="../_static/opensearch.xml"/>
<link rel="author" title="About these documents" href="../about.html" />
<link rel="index" title="Index" href="../genindex.html" />
<link rel="search" title="Search" href="../search.html" />
<link rel="copyright" title="Copyright" href="../copyright.html" />
<link rel="next" title="poplib — POP3 protocol client" href="poplib.html" />
<link rel="prev" title="http.client — HTTP protocol client" href="http.client.html" />
<link rel="canonical" href="file:///usr/share/doc/python3.10/html/library/ftplib.html" />
<style>
@media only screen {
table.full-width-table {
width: 100%;
}
}
</style>
<link rel="shortcut icon" type="image/png" href="../_static/py.svg" />
<script type="text/javascript" src="../_static/copybutton.js"></script>
<script type="text/javascript" src="../_static/menu.js"></script>
</head>
<body>
<div class="mobile-nav">
<input type="checkbox" id="menuToggler" class="toggler__input" aria-controls="navigation"
aria-pressed="false" aria-expanded="false" role="button" aria-label="Menu" />
<label for="menuToggler" class="toggler__label">
<span></span>
</label>
<nav class="nav-content" role="navigation">
<a href="https://www.python.org/" class="nav-logo">
<img src="../_static/py.svg" alt="Logo"/>
</a>
<div class="version_switcher_placeholder"></div>
<form role="search" class="search" action="../search.html" method="get">
<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" class="search-icon">
<path fill-rule="nonzero"
d="M15.5 14h-.79l-.28-.27a6.5 6.5 0 001.48-5.34c-.47-2.78-2.79-5-5.59-5.34a6.505 6.505 0 00-7.27 7.27c.34 2.8 2.56 5.12 5.34 5.59a6.5 6.5 0 005.34-1.48l.27.28v.79l4.25 4.25c.41.41 1.08.41 1.49 0 .41-.41.41-1.08 0-1.49L15.5 14zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z" fill="#444"></path>
</svg>
<input type="text" name="q" aria-label="Quick search"/>
<input type="submit" value="Go"/>
</form>
</nav>
<div class="menu-wrapper">
<nav class="menu" role="navigation" aria-label="main navigation">
<div class="language_switcher_placeholder"></div>
<h3><a href="../contents.html">Table of Contents</a></h3>
<ul>
<li><a class="reference internal" href="#"><code class="xref py py-mod docutils literal notranslate"><span class="pre">ftplib</span></code> — FTP protocol client</a><ul>
<li><a class="reference internal" href="#ftp-objects">FTP Objects</a></li>
<li><a class="reference internal" href="#ftp-tls-objects">FTP_TLS Objects</a></li>
</ul>
</li>
</ul>
<h4>Previous topic</h4>
<p class="topless"><a href="http.client.html"
title="previous chapter"><code class="xref py py-mod docutils literal notranslate"><span class="pre">http.client</span></code> — HTTP protocol client</a></p>
<h4>Next topic</h4>
<p class="topless"><a href="poplib.html"
title="next chapter"><code class="xref py py-mod docutils literal notranslate"><span class="pre">poplib</span></code> — POP3 protocol client</a></p>
<div role="note" aria-label="source link">
<h3>This Page</h3>
<ul class="this-page-menu">
<li><a href="../bugs.html">Report a Bug</a></li>
<li>
<a href="https://github.com/python/cpython/blob/3.10/Doc/library/ftplib.rst"
rel="nofollow">Show Source
</a>
</li>
</ul>
</div>
</nav>
</div>
</div>
<div class="related" role="navigation" aria-label="related navigation">
<h3>Navigation</h3>
<ul>
<li class="right" style="margin-right: 10px">
<a href="../genindex.html" title="General Index"
accesskey="I">index</a></li>
<li class="right" >
<a href="../py-modindex.html" title="Python Module Index"
>modules</a> |</li>
<li class="right" >
<a href="poplib.html" title="poplib — POP3 protocol client"
accesskey="N">next</a> |</li>
<li class="right" >
<a href="http.client.html" title="http.client — HTTP protocol client"
accesskey="P">previous</a> |</li>
<li><img src="../_static/py.svg" alt="python logo" style="vertical-align: middle; margin-top: -1px"/></li>
<li><a href="https://www.python.org/">Python</a> »</li>
<li class="switchers">
<div class="language_switcher_placeholder"></div>
<div class="version_switcher_placeholder"></div>
</li>
<li>
</li>
<li id="cpython-language-and-version">
<a href="../index.html">3.10.12 Documentation</a> »
</li>
<li class="nav-item nav-item-1"><a href="index.html" >The Python Standard Library</a> »</li>
<li class="nav-item nav-item-2"><a href="internet.html" accesskey="U">Internet Protocols and Support</a> »</li>
<li class="nav-item nav-item-this"><a href=""><code class="xref py py-mod docutils literal notranslate"><span class="pre">ftplib</span></code> — FTP protocol client</a></li>
<li class="right">
<div class="inline-search" role="search">
<form class="inline-search" action="../search.html" method="get">
<input placeholder="Quick search" aria-label="Quick search" type="text" name="q" />
<input type="submit" value="Go" />
<input type="hidden" name="check_keywords" value="yes" />
<input type="hidden" name="area" value="default" />
</form>
</div>
|
</li>
</ul>
</div>
<div class="document">
<div class="documentwrapper">
<div class="bodywrapper">
<div class="body" role="main">
<section id="module-ftplib">
<span id="ftplib-ftp-protocol-client"></span><h1><a class="reference internal" href="#module-ftplib" title="ftplib: FTP protocol client (requires sockets)."><code class="xref py py-mod docutils literal notranslate"><span class="pre">ftplib</span></code></a> — FTP protocol client<a class="headerlink" href="#module-ftplib" title="Permalink to this headline">¶</a></h1>
<p><strong>Source code:</strong> <a class="reference external" href="https://github.com/python/cpython/tree/3.10/Lib/ftplib.py">Lib/ftplib.py</a></p>
<hr class="docutils" id="index-0" />
<p>This module defines the class <a class="reference internal" href="#ftplib.FTP" title="ftplib.FTP"><code class="xref py py-class docutils literal notranslate"><span class="pre">FTP</span></code></a> and a few related items. The
<a class="reference internal" href="#ftplib.FTP" title="ftplib.FTP"><code class="xref py py-class docutils literal notranslate"><span class="pre">FTP</span></code></a> class implements the client side of the FTP protocol. You can use
this to write Python programs that perform a variety of automated FTP jobs, such
as mirroring other FTP servers. It is also used by the module
<a class="reference internal" href="urllib.request.html#module-urllib.request" title="urllib.request: Extensible library for opening URLs."><code class="xref py py-mod docutils literal notranslate"><span class="pre">urllib.request</span></code></a> to handle URLs that use FTP. For more information on FTP
(File Transfer Protocol), see internet <span class="target" id="index-1"></span><a class="rfc reference external" href="https://datatracker.ietf.org/doc/html/rfc959.html"><strong>RFC 959</strong></a>.</p>
<p>The default encoding is UTF-8, following <span class="target" id="index-2"></span><a class="rfc reference external" href="https://datatracker.ietf.org/doc/html/rfc2640.html"><strong>RFC 2640</strong></a>.</p>
<p>Here’s a sample session using the <a class="reference internal" href="#module-ftplib" title="ftplib: FTP protocol client (requires sockets)."><code class="xref py py-mod docutils literal notranslate"><span class="pre">ftplib</span></code></a> module:</p>
<div class="highlight-python3 notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="kn">from</span> <span class="nn">ftplib</span> <span class="kn">import</span> <span class="n">FTP</span>
<span class="gp">>>> </span><span class="n">ftp</span> <span class="o">=</span> <span class="n">FTP</span><span class="p">(</span><span class="s1">'ftp.us.debian.org'</span><span class="p">)</span> <span class="c1"># connect to host, default port</span>
<span class="gp">>>> </span><span class="n">ftp</span><span class="o">.</span><span class="n">login</span><span class="p">()</span> <span class="c1"># user anonymous, passwd anonymous@</span>
<span class="go">'230 Login successful.'</span>
<span class="gp">>>> </span><span class="n">ftp</span><span class="o">.</span><span class="n">cwd</span><span class="p">(</span><span class="s1">'debian'</span><span class="p">)</span> <span class="c1"># change into "debian" directory</span>
<span class="go">'250 Directory successfully changed.'</span>
<span class="gp">>>> </span><span class="n">ftp</span><span class="o">.</span><span class="n">retrlines</span><span class="p">(</span><span class="s1">'LIST'</span><span class="p">)</span> <span class="c1"># list directory contents</span>
<span class="go">-rw-rw-r-- 1 1176 1176 1063 Jun 15 10:18 README</span>
<span class="gp">...</span>
<span class="go">drwxr-sr-x 5 1176 1176 4096 Dec 19 2000 pool</span>
<span class="go">drwxr-sr-x 4 1176 1176 4096 Nov 17 2008 project</span>
<span class="go">drwxr-xr-x 3 1176 1176 4096 Oct 10 2012 tools</span>
<span class="go">'226 Directory send OK.'</span>
<span class="gp">>>> </span><span class="k">with</span> <span class="nb">open</span><span class="p">(</span><span class="s1">'README'</span><span class="p">,</span> <span class="s1">'wb'</span><span class="p">)</span> <span class="k">as</span> <span class="n">fp</span><span class="p">:</span>
<span class="gp">>>> </span> <span class="n">ftp</span><span class="o">.</span><span class="n">retrbinary</span><span class="p">(</span><span class="s1">'RETR README'</span><span class="p">,</span> <span class="n">fp</span><span class="o">.</span><span class="n">write</span><span class="p">)</span>
<span class="go">'226 Transfer complete.'</span>
<span class="gp">>>> </span><span class="n">ftp</span><span class="o">.</span><span class="n">quit</span><span class="p">()</span>
<span class="go">'221 Goodbye.'</span>
</pre></div>
</div>
<p>The module defines the following items:</p>
<dl class="py class">
<dt class="sig sig-object py" id="ftplib.FTP">
<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">ftplib.</span></span><span class="sig-name descname"><span class="pre">FTP</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">host</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">user</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">passwd</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">acct</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">timeout</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">source_address</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">*</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">encoding</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">'utf-8'</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#ftplib.FTP" title="Permalink to this definition">¶</a></dt>
<dd><p>Return a new instance of the <a class="reference internal" href="#ftplib.FTP" title="ftplib.FTP"><code class="xref py py-class docutils literal notranslate"><span class="pre">FTP</span></code></a> class. When <em>host</em> is given, the
method call <code class="docutils literal notranslate"><span class="pre">connect(host)</span></code> is made. When <em>user</em> is given, additionally
the method call <code class="docutils literal notranslate"><span class="pre">login(user,</span> <span class="pre">passwd,</span> <span class="pre">acct)</span></code> is made (where <em>passwd</em> and
<em>acct</em> default to the empty string when not given). The optional <em>timeout</em>
parameter specifies a timeout in seconds for blocking operations like the
connection attempt (if is not specified, the global default timeout setting
will be used). <em>source_address</em> is a 2-tuple <code class="docutils literal notranslate"><span class="pre">(host,</span> <span class="pre">port)</span></code> for the socket
to bind to as its source address before connecting. The <em>encoding</em> parameter
specifies the encoding for directories and filenames.</p>
<p>The <a class="reference internal" href="#ftplib.FTP" title="ftplib.FTP"><code class="xref py py-class docutils literal notranslate"><span class="pre">FTP</span></code></a> class supports the <a class="reference internal" href="../reference/compound_stmts.html#with"><code class="xref std std-keyword docutils literal notranslate"><span class="pre">with</span></code></a> statement, e.g.:</p>
<div class="doctest highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="kn">from</span> <span class="nn">ftplib</span> <span class="kn">import</span> <span class="n">FTP</span>
<span class="gp">>>> </span><span class="k">with</span> <span class="n">FTP</span><span class="p">(</span><span class="s2">"ftp1.at.proftpd.org"</span><span class="p">)</span> <span class="k">as</span> <span class="n">ftp</span><span class="p">:</span>
<span class="gp">... </span> <span class="n">ftp</span><span class="o">.</span><span class="n">login</span><span class="p">()</span>
<span class="gp">... </span> <span class="n">ftp</span><span class="o">.</span><span class="n">dir</span><span class="p">()</span>
<span class="gp">... </span>
<span class="go">'230 Anonymous login ok, restrictions apply.'</span>
<span class="go">dr-xr-xr-x 9 ftp ftp 154 May 6 10:43 .</span>
<span class="go">dr-xr-xr-x 9 ftp ftp 154 May 6 10:43 ..</span>
<span class="go">dr-xr-xr-x 5 ftp ftp 4096 May 6 10:43 CentOS</span>
<span class="go">dr-xr-xr-x 3 ftp ftp 18 Jul 10 2008 Fedora</span>
<span class="go">>>></span>
</pre></div>
</div>
<div class="versionchanged">
<p><span class="versionmodified changed">Changed in version 3.2: </span>Support for the <a class="reference internal" href="../reference/compound_stmts.html#with"><code class="xref std std-keyword docutils literal notranslate"><span class="pre">with</span></code></a> statement was added.</p>
</div>
<div class="versionchanged">
<p><span class="versionmodified changed">Changed in version 3.3: </span><em>source_address</em> parameter was added.</p>
</div>
<div class="versionchanged">
<p><span class="versionmodified changed">Changed in version 3.9: </span>If the <em>timeout</em> parameter is set to be zero, it will raise a
<a class="reference internal" href="exceptions.html#ValueError" title="ValueError"><code class="xref py py-class docutils literal notranslate"><span class="pre">ValueError</span></code></a> to prevent the creation of a non-blocking socket.
The <em>encoding</em> parameter was added, and the default was changed from
Latin-1 to UTF-8 to follow <span class="target" id="index-3"></span><a class="rfc reference external" href="https://datatracker.ietf.org/doc/html/rfc2640.html"><strong>RFC 2640</strong></a>.</p>
</div>
</dd></dl>
<dl class="py class">
<dt class="sig sig-object py" id="ftplib.FTP_TLS">
<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">ftplib.</span></span><span class="sig-name descname"><span class="pre">FTP_TLS</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">host</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">user</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">passwd</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">acct</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">keyfile</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">certfile</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">context</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">timeout</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">source_address</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">*</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">encoding</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">'utf-8'</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#ftplib.FTP_TLS" title="Permalink to this definition">¶</a></dt>
<dd><p>A <a class="reference internal" href="#ftplib.FTP" title="ftplib.FTP"><code class="xref py py-class docutils literal notranslate"><span class="pre">FTP</span></code></a> subclass which adds TLS support to FTP as described in
<span class="target" id="index-4"></span><a class="rfc reference external" href="https://datatracker.ietf.org/doc/html/rfc4217.html"><strong>RFC 4217</strong></a>.
Connect as usual to port 21 implicitly securing the FTP control connection
before authenticating. Securing the data connection requires the user to
explicitly ask for it by calling the <a class="reference internal" href="#ftplib.FTP_TLS.prot_p" title="ftplib.FTP_TLS.prot_p"><code class="xref py py-meth docutils literal notranslate"><span class="pre">prot_p()</span></code></a> method. <em>context</em>
is a <a class="reference internal" href="ssl.html#ssl.SSLContext" title="ssl.SSLContext"><code class="xref py py-class docutils literal notranslate"><span class="pre">ssl.SSLContext</span></code></a> object which allows bundling SSL configuration
options, certificates and private keys into a single (potentially
long-lived) structure. Please read <a class="reference internal" href="ssl.html#ssl-security"><span class="std std-ref">Security considerations</span></a> for best practices.</p>
<p><em>keyfile</em> and <em>certfile</em> are a legacy alternative to <em>context</em> – they
can point to PEM-formatted private key and certificate chain files
(respectively) for the SSL connection.</p>
<div class="versionadded">
<p><span class="versionmodified added">New in version 3.2.</span></p>
</div>
<div class="versionchanged">
<p><span class="versionmodified changed">Changed in version 3.3: </span><em>source_address</em> parameter was added.</p>
</div>
<div class="versionchanged">
<p><span class="versionmodified changed">Changed in version 3.4: </span>The class now supports hostname check with
<a class="reference internal" href="ssl.html#ssl.SSLContext.check_hostname" title="ssl.SSLContext.check_hostname"><code class="xref py py-attr docutils literal notranslate"><span class="pre">ssl.SSLContext.check_hostname</span></code></a> and <em>Server Name Indication</em> (see
<a class="reference internal" href="ssl.html#ssl.HAS_SNI" title="ssl.HAS_SNI"><code class="xref py py-data docutils literal notranslate"><span class="pre">ssl.HAS_SNI</span></code></a>).</p>
</div>
<div class="deprecated">
<p><span class="versionmodified deprecated">Deprecated since version 3.6: </span><em>keyfile</em> and <em>certfile</em> are deprecated in favor of <em>context</em>.
Please use <a class="reference internal" href="ssl.html#ssl.SSLContext.load_cert_chain" title="ssl.SSLContext.load_cert_chain"><code class="xref py py-meth docutils literal notranslate"><span class="pre">ssl.SSLContext.load_cert_chain()</span></code></a> instead, or let
<a class="reference internal" href="ssl.html#ssl.create_default_context" title="ssl.create_default_context"><code class="xref py py-func docutils literal notranslate"><span class="pre">ssl.create_default_context()</span></code></a> select the system’s trusted CA
certificates for you.</p>
</div>
<div class="versionchanged">
<p><span class="versionmodified changed">Changed in version 3.9: </span>If the <em>timeout</em> parameter is set to be zero, it will raise a
<a class="reference internal" href="exceptions.html#ValueError" title="ValueError"><code class="xref py py-class docutils literal notranslate"><span class="pre">ValueError</span></code></a> to prevent the creation of a non-blocking socket.
The <em>encoding</em> parameter was added, and the default was changed from
Latin-1 to UTF-8 to follow <span class="target" id="index-5"></span><a class="rfc reference external" href="https://datatracker.ietf.org/doc/html/rfc2640.html"><strong>RFC 2640</strong></a>.</p>
</div>
<p>Here’s a sample session using the <a class="reference internal" href="#ftplib.FTP_TLS" title="ftplib.FTP_TLS"><code class="xref py py-class docutils literal notranslate"><span class="pre">FTP_TLS</span></code></a> class:</p>
<div class="highlight-python3 notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="n">ftps</span> <span class="o">=</span> <span class="n">FTP_TLS</span><span class="p">(</span><span class="s1">'ftp.pureftpd.org'</span><span class="p">)</span>
<span class="gp">>>> </span><span class="n">ftps</span><span class="o">.</span><span class="n">login</span><span class="p">()</span>
<span class="go">'230 Anonymous user logged in'</span>
<span class="gp">>>> </span><span class="n">ftps</span><span class="o">.</span><span class="n">prot_p</span><span class="p">()</span>
<span class="go">'200 Data protection level set to "private"'</span>
<span class="gp">>>> </span><span class="n">ftps</span><span class="o">.</span><span class="n">nlst</span><span class="p">()</span>
<span class="go">['6jack', 'OpenBSD', 'antilink', 'blogbench', 'bsdcam', 'clockspeed', 'djbdns-jedi', 'docs', 'eaccelerator-jedi', 'favicon.ico', 'francotone', 'fugu', 'ignore', 'libpuzzle', 'metalog', 'minidentd', 'misc', 'mysql-udf-global-user-variables', 'php-jenkins-hash', 'php-skein-hash', 'php-webdav', 'phpaudit', 'phpbench', 'pincaster', 'ping', 'posto', 'pub', 'public', 'public_keys', 'pure-ftpd', 'qscan', 'qtc', 'sharedance', 'skycache', 'sound', 'tmp', 'ucarp']</span>
</pre></div>
</div>
</dd></dl>
<dl class="py exception">
<dt class="sig sig-object py" id="ftplib.error_reply">
<em class="property"><span class="pre">exception</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">ftplib.</span></span><span class="sig-name descname"><span class="pre">error_reply</span></span><a class="headerlink" href="#ftplib.error_reply" title="Permalink to this definition">¶</a></dt>
<dd><p>Exception raised when an unexpected reply is received from the server.</p>
</dd></dl>
<dl class="py exception">
<dt class="sig sig-object py" id="ftplib.error_temp">
<em class="property"><span class="pre">exception</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">ftplib.</span></span><span class="sig-name descname"><span class="pre">error_temp</span></span><a class="headerlink" href="#ftplib.error_temp" title="Permalink to this definition">¶</a></dt>
<dd><p>Exception raised when an error code signifying a temporary error (response
codes in the range 400–499) is received.</p>
</dd></dl>
<dl class="py exception">
<dt class="sig sig-object py" id="ftplib.error_perm">
<em class="property"><span class="pre">exception</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">ftplib.</span></span><span class="sig-name descname"><span class="pre">error_perm</span></span><a class="headerlink" href="#ftplib.error_perm" title="Permalink to this definition">¶</a></dt>
<dd><p>Exception raised when an error code signifying a permanent error (response
codes in the range 500–599) is received.</p>
</dd></dl>
<dl class="py exception">
<dt class="sig sig-object py" id="ftplib.error_proto">
<em class="property"><span class="pre">exception</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">ftplib.</span></span><span class="sig-name descname"><span class="pre">error_proto</span></span><a class="headerlink" href="#ftplib.error_proto" title="Permalink to this definition">¶</a></dt>
<dd><p>Exception raised when a reply is received from the server that does not fit
the response specifications of the File Transfer Protocol, i.e. begin with a
digit in the range 1–5.</p>
</dd></dl>
<dl class="py data">
<dt class="sig sig-object py" id="ftplib.all_errors">
<span class="sig-prename descclassname"><span class="pre">ftplib.</span></span><span class="sig-name descname"><span class="pre">all_errors</span></span><a class="headerlink" href="#ftplib.all_errors" title="Permalink to this definition">¶</a></dt>
<dd><p>The set of all exceptions (as a tuple) that methods of <a class="reference internal" href="#ftplib.FTP" title="ftplib.FTP"><code class="xref py py-class docutils literal notranslate"><span class="pre">FTP</span></code></a>
instances may raise as a result of problems with the FTP connection (as
opposed to programming errors made by the caller). This set includes the
four exceptions listed above as well as <a class="reference internal" href="exceptions.html#OSError" title="OSError"><code class="xref py py-exc docutils literal notranslate"><span class="pre">OSError</span></code></a> and <a class="reference internal" href="exceptions.html#EOFError" title="EOFError"><code class="xref py py-exc docutils literal notranslate"><span class="pre">EOFError</span></code></a>.</p>
</dd></dl>
<div class="admonition seealso">
<p class="admonition-title">See also</p>
<dl class="simple">
<dt>Module <a class="reference internal" href="netrc.html#module-netrc" title="netrc: Loading of .netrc files."><code class="xref py py-mod docutils literal notranslate"><span class="pre">netrc</span></code></a></dt><dd><p>Parser for the <code class="file docutils literal notranslate"><span class="pre">.netrc</span></code> file format. The file <code class="file docutils literal notranslate"><span class="pre">.netrc</span></code> is
typically used by FTP clients to load user authentication information
before prompting the user.</p>
</dd>
</dl>
</div>
<section id="ftp-objects">
<span id="id1"></span><h2>FTP Objects<a class="headerlink" href="#ftp-objects" title="Permalink to this headline">¶</a></h2>
<p>Several methods are available in two flavors: one for handling text files and
another for binary files. These are named for the command which is used
followed by <code class="docutils literal notranslate"><span class="pre">lines</span></code> for the text version or <code class="docutils literal notranslate"><span class="pre">binary</span></code> for the binary version.</p>
<p><a class="reference internal" href="#ftplib.FTP" title="ftplib.FTP"><code class="xref py py-class docutils literal notranslate"><span class="pre">FTP</span></code></a> instances have the following methods:</p>
<dl class="py method">
<dt class="sig sig-object py" id="ftplib.FTP.set_debuglevel">
<span class="sig-prename descclassname"><span class="pre">FTP.</span></span><span class="sig-name descname"><span class="pre">set_debuglevel</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">level</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#ftplib.FTP.set_debuglevel" title="Permalink to this definition">¶</a></dt>
<dd><p>Set the instance’s debugging level. This controls the amount of debugging
output printed. The default, <code class="docutils literal notranslate"><span class="pre">0</span></code>, produces no debugging output. A value of
<code class="docutils literal notranslate"><span class="pre">1</span></code> produces a moderate amount of debugging output, generally a single line
per request. A value of <code class="docutils literal notranslate"><span class="pre">2</span></code> or higher produces the maximum amount of
debugging output, logging each line sent and received on the control connection.</p>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="ftplib.FTP.connect">
<span class="sig-prename descclassname"><span class="pre">FTP.</span></span><span class="sig-name descname"><span class="pre">connect</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">host</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">port</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">timeout</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">source_address</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#ftplib.FTP.connect" title="Permalink to this definition">¶</a></dt>
<dd><p>Connect to the given host and port. The default port number is <code class="docutils literal notranslate"><span class="pre">21</span></code>, as
specified by the FTP protocol specification. It is rarely needed to specify a
different port number. This function should be called only once for each
instance; it should not be called at all if a host was given when the instance
was created. All other methods can only be used after a connection has been
made.
The optional <em>timeout</em> parameter specifies a timeout in seconds for the
connection attempt. If no <em>timeout</em> is passed, the global default timeout
setting will be used.
<em>source_address</em> is a 2-tuple <code class="docutils literal notranslate"><span class="pre">(host,</span> <span class="pre">port)</span></code> for the socket to bind to as
its source address before connecting.</p>
<p class="audit-hook">Raises an <a class="reference internal" href="sys.html#auditing"><span class="std std-ref">auditing event</span></a> <code class="docutils literal notranslate"><span class="pre">ftplib.connect</span></code> with arguments <code class="docutils literal notranslate"><span class="pre">self</span></code>, <code class="docutils literal notranslate"><span class="pre">host</span></code>, <code class="docutils literal notranslate"><span class="pre">port</span></code>.</p>
<div class="versionchanged">
<p><span class="versionmodified changed">Changed in version 3.3: </span><em>source_address</em> parameter was added.</p>
</div>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="ftplib.FTP.getwelcome">
<span class="sig-prename descclassname"><span class="pre">FTP.</span></span><span class="sig-name descname"><span class="pre">getwelcome</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#ftplib.FTP.getwelcome" title="Permalink to this definition">¶</a></dt>
<dd><p>Return the welcome message sent by the server in reply to the initial
connection. (This message sometimes contains disclaimers or help information
that may be relevant to the user.)</p>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="ftplib.FTP.login">
<span class="sig-prename descclassname"><span class="pre">FTP.</span></span><span class="sig-name descname"><span class="pre">login</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">user</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">'anonymous'</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">passwd</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">acct</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#ftplib.FTP.login" title="Permalink to this definition">¶</a></dt>
<dd><p>Log in as the given <em>user</em>. The <em>passwd</em> and <em>acct</em> parameters are optional and
default to the empty string. If no <em>user</em> is specified, it defaults to
<code class="docutils literal notranslate"><span class="pre">'anonymous'</span></code>. If <em>user</em> is <code class="docutils literal notranslate"><span class="pre">'anonymous'</span></code>, the default <em>passwd</em> is
<code class="docutils literal notranslate"><span class="pre">'anonymous@'</span></code>. This function should be called only once for each instance,
after a connection has been established; it should not be called at all if a
host and user were given when the instance was created. Most FTP commands are
only allowed after the client has logged in. The <em>acct</em> parameter supplies
“accounting information”; few systems implement this.</p>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="ftplib.FTP.abort">
<span class="sig-prename descclassname"><span class="pre">FTP.</span></span><span class="sig-name descname"><span class="pre">abort</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#ftplib.FTP.abort" title="Permalink to this definition">¶</a></dt>
<dd><p>Abort a file transfer that is in progress. Using this does not always work, but
it’s worth a try.</p>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="ftplib.FTP.sendcmd">
<span class="sig-prename descclassname"><span class="pre">FTP.</span></span><span class="sig-name descname"><span class="pre">sendcmd</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">cmd</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#ftplib.FTP.sendcmd" title="Permalink to this definition">¶</a></dt>
<dd><p>Send a simple command string to the server and return the response string.</p>
<p class="audit-hook">Raises an <a class="reference internal" href="sys.html#auditing"><span class="std std-ref">auditing event</span></a> <code class="docutils literal notranslate"><span class="pre">ftplib.sendcmd</span></code> with arguments <code class="docutils literal notranslate"><span class="pre">self</span></code>, <code class="docutils literal notranslate"><span class="pre">cmd</span></code>.</p>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="ftplib.FTP.voidcmd">
<span class="sig-prename descclassname"><span class="pre">FTP.</span></span><span class="sig-name descname"><span class="pre">voidcmd</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">cmd</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#ftplib.FTP.voidcmd" title="Permalink to this definition">¶</a></dt>
<dd><p>Send a simple command string to the server and handle the response. Return
nothing if a response code corresponding to success (codes in the range
200–299) is received. Raise <a class="reference internal" href="#ftplib.error_reply" title="ftplib.error_reply"><code class="xref py py-exc docutils literal notranslate"><span class="pre">error_reply</span></code></a> otherwise.</p>
<p class="audit-hook">Raises an <a class="reference internal" href="sys.html#auditing"><span class="std std-ref">auditing event</span></a> <code class="docutils literal notranslate"><span class="pre">ftplib.sendcmd</span></code> with arguments <code class="docutils literal notranslate"><span class="pre">self</span></code>, <code class="docutils literal notranslate"><span class="pre">cmd</span></code>.</p>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="ftplib.FTP.retrbinary">
<span class="sig-prename descclassname"><span class="pre">FTP.</span></span><span class="sig-name descname"><span class="pre">retrbinary</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">cmd</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">callback</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">blocksize</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">8192</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">rest</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#ftplib.FTP.retrbinary" title="Permalink to this definition">¶</a></dt>
<dd><p>Retrieve a file in binary transfer mode. <em>cmd</em> should be an appropriate
<code class="docutils literal notranslate"><span class="pre">RETR</span></code> command: <code class="docutils literal notranslate"><span class="pre">'RETR</span> <span class="pre">filename'</span></code>. The <em>callback</em> function is called for
each block of data received, with a single bytes argument giving the data
block. The optional <em>blocksize</em> argument specifies the maximum chunk size to
read on the low-level socket object created to do the actual transfer (which
will also be the largest size of the data blocks passed to <em>callback</em>). A
reasonable default is chosen. <em>rest</em> means the same thing as in the
<a class="reference internal" href="#ftplib.FTP.transfercmd" title="ftplib.FTP.transfercmd"><code class="xref py py-meth docutils literal notranslate"><span class="pre">transfercmd()</span></code></a> method.</p>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="ftplib.FTP.retrlines">
<span class="sig-prename descclassname"><span class="pre">FTP.</span></span><span class="sig-name descname"><span class="pre">retrlines</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">cmd</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">callback</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#ftplib.FTP.retrlines" title="Permalink to this definition">¶</a></dt>
<dd><p>Retrieve a file or directory listing in the encoding specified by the
<em>encoding</em> parameter at initialization.
<em>cmd</em> should be an appropriate <code class="docutils literal notranslate"><span class="pre">RETR</span></code> command (see <a class="reference internal" href="#ftplib.FTP.retrbinary" title="ftplib.FTP.retrbinary"><code class="xref py py-meth docutils literal notranslate"><span class="pre">retrbinary()</span></code></a>) or
a command such as <code class="docutils literal notranslate"><span class="pre">LIST</span></code> or <code class="docutils literal notranslate"><span class="pre">NLST</span></code> (usually just the string <code class="docutils literal notranslate"><span class="pre">'LIST'</span></code>).
<code class="docutils literal notranslate"><span class="pre">LIST</span></code> retrieves a list of files and information about those files.
<code class="docutils literal notranslate"><span class="pre">NLST</span></code> retrieves a list of file names.
The <em>callback</em> function is called for each line with a string argument
containing the line with the trailing CRLF stripped. The default <em>callback</em>
prints the line to <code class="docutils literal notranslate"><span class="pre">sys.stdout</span></code>.</p>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="ftplib.FTP.set_pasv">
<span class="sig-prename descclassname"><span class="pre">FTP.</span></span><span class="sig-name descname"><span class="pre">set_pasv</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">val</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#ftplib.FTP.set_pasv" title="Permalink to this definition">¶</a></dt>
<dd><p>Enable “passive” mode if <em>val</em> is true, otherwise disable passive mode.
Passive mode is on by default.</p>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="ftplib.FTP.storbinary">
<span class="sig-prename descclassname"><span class="pre">FTP.</span></span><span class="sig-name descname"><span class="pre">storbinary</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">cmd</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">fp</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">blocksize</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">8192</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">callback</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">rest</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#ftplib.FTP.storbinary" title="Permalink to this definition">¶</a></dt>
<dd><p>Store a file in binary transfer mode. <em>cmd</em> should be an appropriate
<code class="docutils literal notranslate"><span class="pre">STOR</span></code> command: <code class="docutils literal notranslate"><span class="pre">"STOR</span> <span class="pre">filename"</span></code>. <em>fp</em> is a <a class="reference internal" href="../glossary.html#term-file-object"><span class="xref std std-term">file object</span></a>
(opened in binary mode) which is read until EOF using its <code class="xref py py-meth docutils literal notranslate"><span class="pre">read()</span></code>
method in blocks of size <em>blocksize</em> to provide the data to be stored.
The <em>blocksize</em> argument defaults to 8192. <em>callback</em> is an optional single
parameter callable that is called on each block of data after it is sent.
<em>rest</em> means the same thing as in the <a class="reference internal" href="#ftplib.FTP.transfercmd" title="ftplib.FTP.transfercmd"><code class="xref py py-meth docutils literal notranslate"><span class="pre">transfercmd()</span></code></a> method.</p>
<div class="versionchanged">
<p><span class="versionmodified changed">Changed in version 3.2: </span><em>rest</em> parameter added.</p>
</div>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="ftplib.FTP.storlines">
<span class="sig-prename descclassname"><span class="pre">FTP.</span></span><span class="sig-name descname"><span class="pre">storlines</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">cmd</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">fp</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">callback</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#ftplib.FTP.storlines" title="Permalink to this definition">¶</a></dt>
<dd><p>Store a file in line mode. <em>cmd</em> should be an appropriate
<code class="docutils literal notranslate"><span class="pre">STOR</span></code> command (see <a class="reference internal" href="#ftplib.FTP.storbinary" title="ftplib.FTP.storbinary"><code class="xref py py-meth docutils literal notranslate"><span class="pre">storbinary()</span></code></a>). Lines are read until EOF from the
<a class="reference internal" href="../glossary.html#term-file-object"><span class="xref std std-term">file object</span></a> <em>fp</em> (opened in binary mode) using its <a class="reference internal" href="io.html#io.IOBase.readline" title="io.IOBase.readline"><code class="xref py py-meth docutils literal notranslate"><span class="pre">readline()</span></code></a>
method to provide the data to be stored. <em>callback</em> is an optional single
parameter callable that is called on each line after it is sent.</p>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="ftplib.FTP.transfercmd">
<span class="sig-prename descclassname"><span class="pre">FTP.</span></span><span class="sig-name descname"><span class="pre">transfercmd</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">cmd</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">rest</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#ftplib.FTP.transfercmd" title="Permalink to this definition">¶</a></dt>
<dd><p>Initiate a transfer over the data connection. If the transfer is active, send an
<code class="docutils literal notranslate"><span class="pre">EPRT</span></code> or <code class="docutils literal notranslate"><span class="pre">PORT</span></code> command and the transfer command specified by <em>cmd</em>, and
accept the connection. If the server is passive, send an <code class="docutils literal notranslate"><span class="pre">EPSV</span></code> or <code class="docutils literal notranslate"><span class="pre">PASV</span></code>
command, connect to it, and start the transfer command. Either way, return the
socket for the connection.</p>
<p>If optional <em>rest</em> is given, a <code class="docutils literal notranslate"><span class="pre">REST</span></code> command is sent to the server, passing
<em>rest</em> as an argument. <em>rest</em> is usually a byte offset into the requested file,
telling the server to restart sending the file’s bytes at the requested offset,
skipping over the initial bytes. Note however that the <a class="reference internal" href="#ftplib.FTP.transfercmd" title="ftplib.FTP.transfercmd"><code class="xref py py-meth docutils literal notranslate"><span class="pre">transfercmd()</span></code></a>
method converts <em>rest</em> to a string with the <em>encoding</em> parameter specified
at initialization, but no check is performed on the string’s contents. If the
server does not recognize the <code class="docutils literal notranslate"><span class="pre">REST</span></code> command, an <a class="reference internal" href="#ftplib.error_reply" title="ftplib.error_reply"><code class="xref py py-exc docutils literal notranslate"><span class="pre">error_reply</span></code></a> exception
will be raised. If this happens, simply call <a class="reference internal" href="#ftplib.FTP.transfercmd" title="ftplib.FTP.transfercmd"><code class="xref py py-meth docutils literal notranslate"><span class="pre">transfercmd()</span></code></a> without a
<em>rest</em> argument.</p>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="ftplib.FTP.ntransfercmd">
<span class="sig-prename descclassname"><span class="pre">FTP.</span></span><span class="sig-name descname"><span class="pre">ntransfercmd</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">cmd</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">rest</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#ftplib.FTP.ntransfercmd" title="Permalink to this definition">¶</a></dt>
<dd><p>Like <a class="reference internal" href="#ftplib.FTP.transfercmd" title="ftplib.FTP.transfercmd"><code class="xref py py-meth docutils literal notranslate"><span class="pre">transfercmd()</span></code></a>, but returns a tuple of the data connection and the
expected size of the data. If the expected size could not be computed, <code class="docutils literal notranslate"><span class="pre">None</span></code>
will be returned as the expected size. <em>cmd</em> and <em>rest</em> means the same thing as
in <a class="reference internal" href="#ftplib.FTP.transfercmd" title="ftplib.FTP.transfercmd"><code class="xref py py-meth docutils literal notranslate"><span class="pre">transfercmd()</span></code></a>.</p>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="ftplib.FTP.mlsd">
<span class="sig-prename descclassname"><span class="pre">FTP.</span></span><span class="sig-name descname"><span class="pre">mlsd</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">path</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">''</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">facts</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">[]</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#ftplib.FTP.mlsd" title="Permalink to this definition">¶</a></dt>
<dd><p>List a directory in a standardized format by using <code class="docutils literal notranslate"><span class="pre">MLSD</span></code> command
(<span class="target" id="index-6"></span><a class="rfc reference external" href="https://datatracker.ietf.org/doc/html/rfc3659.html"><strong>RFC 3659</strong></a>). If <em>path</em> is omitted the current directory is assumed.
<em>facts</em> is a list of strings representing the type of information desired
(e.g. <code class="docutils literal notranslate"><span class="pre">["type",</span> <span class="pre">"size",</span> <span class="pre">"perm"]</span></code>). Return a generator object yielding a
tuple of two elements for every file found in path. First element is the
file name, the second one is a dictionary containing facts about the file
name. Content of this dictionary might be limited by the <em>facts</em> argument
but server is not guaranteed to return all requested facts.</p>
<div class="versionadded">
<p><span class="versionmodified added">New in version 3.3.</span></p>
</div>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="ftplib.FTP.nlst">
<span class="sig-prename descclassname"><span class="pre">FTP.</span></span><span class="sig-name descname"><span class="pre">nlst</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">argument</span></span></em><span class="optional">[</span>, <em class="sig-param"><span class="n"><span class="pre">...</span></span></em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#ftplib.FTP.nlst" title="Permalink to this definition">¶</a></dt>
<dd><p>Return a list of file names as returned by the <code class="docutils literal notranslate"><span class="pre">NLST</span></code> command. The
optional <em>argument</em> is a directory to list (default is the current server
directory). Multiple arguments can be used to pass non-standard options to
the <code class="docutils literal notranslate"><span class="pre">NLST</span></code> command.</p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>If your server supports the command, <a class="reference internal" href="#ftplib.FTP.mlsd" title="ftplib.FTP.mlsd"><code class="xref py py-meth docutils literal notranslate"><span class="pre">mlsd()</span></code></a> offers a better API.</p>
</div>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="ftplib.FTP.dir">
<span class="sig-prename descclassname"><span class="pre">FTP.</span></span><span class="sig-name descname"><span class="pre">dir</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">argument</span></span></em><span class="optional">[</span>, <em class="sig-param"><span class="n"><span class="pre">...</span></span></em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#ftplib.FTP.dir" title="Permalink to this definition">¶</a></dt>
<dd><p>Produce a directory listing as returned by the <code class="docutils literal notranslate"><span class="pre">LIST</span></code> command, printing it to
standard output. The optional <em>argument</em> is a directory to list (default is the
current server directory). Multiple arguments can be used to pass non-standard
options to the <code class="docutils literal notranslate"><span class="pre">LIST</span></code> command. If the last argument is a function, it is used
as a <em>callback</em> function as for <a class="reference internal" href="#ftplib.FTP.retrlines" title="ftplib.FTP.retrlines"><code class="xref py py-meth docutils literal notranslate"><span class="pre">retrlines()</span></code></a>; the default prints to
<code class="docutils literal notranslate"><span class="pre">sys.stdout</span></code>. This method returns <code class="docutils literal notranslate"><span class="pre">None</span></code>.</p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>If your server supports the command, <a class="reference internal" href="#ftplib.FTP.mlsd" title="ftplib.FTP.mlsd"><code class="xref py py-meth docutils literal notranslate"><span class="pre">mlsd()</span></code></a> offers a better API.</p>
</div>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="ftplib.FTP.rename">
<span class="sig-prename descclassname"><span class="pre">FTP.</span></span><span class="sig-name descname"><span class="pre">rename</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">fromname</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">toname</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#ftplib.FTP.rename" title="Permalink to this definition">¶</a></dt>
<dd><p>Rename file <em>fromname</em> on the server to <em>toname</em>.</p>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="ftplib.FTP.delete">
<span class="sig-prename descclassname"><span class="pre">FTP.</span></span><span class="sig-name descname"><span class="pre">delete</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">filename</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#ftplib.FTP.delete" title="Permalink to this definition">¶</a></dt>
<dd><p>Remove the file named <em>filename</em> from the server. If successful, returns the
text of the response, otherwise raises <a class="reference internal" href="#ftplib.error_perm" title="ftplib.error_perm"><code class="xref py py-exc docutils literal notranslate"><span class="pre">error_perm</span></code></a> on permission errors or
<a class="reference internal" href="#ftplib.error_reply" title="ftplib.error_reply"><code class="xref py py-exc docutils literal notranslate"><span class="pre">error_reply</span></code></a> on other errors.</p>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="ftplib.FTP.cwd">
<span class="sig-prename descclassname"><span class="pre">FTP.</span></span><span class="sig-name descname"><span class="pre">cwd</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">pathname</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#ftplib.FTP.cwd" title="Permalink to this definition">¶</a></dt>
<dd><p>Set the current directory on the server.</p>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="ftplib.FTP.mkd">
<span class="sig-prename descclassname"><span class="pre">FTP.</span></span><span class="sig-name descname"><span class="pre">mkd</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">pathname</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#ftplib.FTP.mkd" title="Permalink to this definition">¶</a></dt>
<dd><p>Create a new directory on the server.</p>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="ftplib.FTP.pwd">
<span class="sig-prename descclassname"><span class="pre">FTP.</span></span><span class="sig-name descname"><span class="pre">pwd</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#ftplib.FTP.pwd" title="Permalink to this definition">¶</a></dt>
<dd><p>Return the pathname of the current directory on the server.</p>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="ftplib.FTP.rmd">
<span class="sig-prename descclassname"><span class="pre">FTP.</span></span><span class="sig-name descname"><span class="pre">rmd</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">dirname</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#ftplib.FTP.rmd" title="Permalink to this definition">¶</a></dt>
<dd><p>Remove the directory named <em>dirname</em> on the server.</p>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="ftplib.FTP.size">
<span class="sig-prename descclassname"><span class="pre">FTP.</span></span><span class="sig-name descname"><span class="pre">size</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">filename</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#ftplib.FTP.size" title="Permalink to this definition">¶</a></dt>
<dd><p>Request the size of the file named <em>filename</em> on the server. On success, the
size of the file is returned as an integer, otherwise <code class="docutils literal notranslate"><span class="pre">None</span></code> is returned.
Note that the <code class="docutils literal notranslate"><span class="pre">SIZE</span></code> command is not standardized, but is supported by many
common server implementations.</p>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="ftplib.FTP.quit">
<span class="sig-prename descclassname"><span class="pre">FTP.</span></span><span class="sig-name descname"><span class="pre">quit</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#ftplib.FTP.quit" title="Permalink to this definition">¶</a></dt>
<dd><p>Send a <code class="docutils literal notranslate"><span class="pre">QUIT</span></code> command to the server and close the connection. This is the
“polite” way to close a connection, but it may raise an exception if the server
responds with an error to the <code class="docutils literal notranslate"><span class="pre">QUIT</span></code> command. This implies a call to the
<a class="reference internal" href="#ftplib.FTP.close" title="ftplib.FTP.close"><code class="xref py py-meth docutils literal notranslate"><span class="pre">close()</span></code></a> method which renders the <a class="reference internal" href="#ftplib.FTP" title="ftplib.FTP"><code class="xref py py-class docutils literal notranslate"><span class="pre">FTP</span></code></a> instance useless for
subsequent calls (see below).</p>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="ftplib.FTP.close">
<span class="sig-prename descclassname"><span class="pre">FTP.</span></span><span class="sig-name descname"><span class="pre">close</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#ftplib.FTP.close" title="Permalink to this definition">¶</a></dt>
<dd><p>Close the connection unilaterally. This should not be applied to an already
closed connection such as after a successful call to <a class="reference internal" href="#ftplib.FTP.quit" title="ftplib.FTP.quit"><code class="xref py py-meth docutils literal notranslate"><span class="pre">quit()</span></code></a>.
After this call the <a class="reference internal" href="#ftplib.FTP" title="ftplib.FTP"><code class="xref py py-class docutils literal notranslate"><span class="pre">FTP</span></code></a> instance should not be used any more (after
a call to <a class="reference internal" href="#ftplib.FTP.close" title="ftplib.FTP.close"><code class="xref py py-meth docutils literal notranslate"><span class="pre">close()</span></code></a> or <a class="reference internal" href="#ftplib.FTP.quit" title="ftplib.FTP.quit"><code class="xref py py-meth docutils literal notranslate"><span class="pre">quit()</span></code></a> you cannot reopen the
connection by issuing another <a class="reference internal" href="#ftplib.FTP.login" title="ftplib.FTP.login"><code class="xref py py-meth docutils literal notranslate"><span class="pre">login()</span></code></a> method).</p>
</dd></dl>
</section>
<section id="ftp-tls-objects">
<h2>FTP_TLS Objects<a class="headerlink" href="#ftp-tls-objects" title="Permalink to this headline">¶</a></h2>
<p><a class="reference internal" href="#ftplib.FTP_TLS" title="ftplib.FTP_TLS"><code class="xref py py-class docutils literal notranslate"><span class="pre">FTP_TLS</span></code></a> class inherits from <a class="reference internal" href="#ftplib.FTP" title="ftplib.FTP"><code class="xref py py-class docutils literal notranslate"><span class="pre">FTP</span></code></a>, defining these additional objects:</p>
<dl class="py attribute">
<dt class="sig sig-object py" id="ftplib.FTP_TLS.ssl_version">
<span class="sig-prename descclassname"><span class="pre">FTP_TLS.</span></span><span class="sig-name descname"><span class="pre">ssl_version</span></span><a class="headerlink" href="#ftplib.FTP_TLS.ssl_version" title="Permalink to this definition">¶</a></dt>
<dd><p>The SSL version to use (defaults to <a class="reference internal" href="ssl.html#ssl.PROTOCOL_SSLv23" title="ssl.PROTOCOL_SSLv23"><code class="xref py py-attr docutils literal notranslate"><span class="pre">ssl.PROTOCOL_SSLv23</span></code></a>).</p>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="ftplib.FTP_TLS.auth">
<span class="sig-prename descclassname"><span class="pre">FTP_TLS.</span></span><span class="sig-name descname"><span class="pre">auth</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#ftplib.FTP_TLS.auth" title="Permalink to this definition">¶</a></dt>
<dd><p>Set up a secure control connection by using TLS or SSL, depending on what
is specified in the <a class="reference internal" href="#ftplib.FTP_TLS.ssl_version" title="ftplib.FTP_TLS.ssl_version"><code class="xref py py-attr docutils literal notranslate"><span class="pre">ssl_version</span></code></a> attribute.</p>
<div class="versionchanged">
<p><span class="versionmodified changed">Changed in version 3.4: </span>The method now supports hostname check with
<a class="reference internal" href="ssl.html#ssl.SSLContext.check_hostname" title="ssl.SSLContext.check_hostname"><code class="xref py py-attr docutils literal notranslate"><span class="pre">ssl.SSLContext.check_hostname</span></code></a> and <em>Server Name Indication</em> (see
<a class="reference internal" href="ssl.html#ssl.HAS_SNI" title="ssl.HAS_SNI"><code class="xref py py-data docutils literal notranslate"><span class="pre">ssl.HAS_SNI</span></code></a>).</p>
</div>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="ftplib.FTP_TLS.ccc">
<span class="sig-prename descclassname"><span class="pre">FTP_TLS.</span></span><span class="sig-name descname"><span class="pre">ccc</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#ftplib.FTP_TLS.ccc" title="Permalink to this definition">¶</a></dt>
<dd><p>Revert control channel back to plaintext. This can be useful to take
advantage of firewalls that know how to handle NAT with non-secure FTP
without opening fixed ports.</p>
<div class="versionadded">
<p><span class="versionmodified added">New in version 3.3.</span></p>
</div>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="ftplib.FTP_TLS.prot_p">
<span class="sig-prename descclassname"><span class="pre">FTP_TLS.</span></span><span class="sig-name descname"><span class="pre">prot_p</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#ftplib.FTP_TLS.prot_p" title="Permalink to this definition">¶</a></dt>
<dd><p>Set up secure data connection.</p>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="ftplib.FTP_TLS.prot_c">
<span class="sig-prename descclassname"><span class="pre">FTP_TLS.</span></span><span class="sig-name descname"><span class="pre">prot_c</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#ftplib.FTP_TLS.prot_c" title="Permalink to this definition">¶</a></dt>
<dd><p>Set up clear text data connection.</p>
</dd></dl>
</section>
</section>
<div class="clearer"></div>
</div>
</div>
</div>
<div class="sphinxsidebar" role="navigation" aria-label="main navigation">
<div class="sphinxsidebarwrapper">
<h3><a href="../contents.html">Table of Contents</a></h3>
<ul>
<li><a class="reference internal" href="#"><code class="xref py py-mod docutils literal notranslate"><span class="pre">ftplib</span></code> — FTP protocol client</a><ul>
<li><a class="reference internal" href="#ftp-objects">FTP Objects</a></li>
<li><a class="reference internal" href="#ftp-tls-objects">FTP_TLS Objects</a></li>
</ul>
</li>
</ul>
<h4>Previous topic</h4>
<p class="topless"><a href="http.client.html"
title="previous chapter"><code class="xref py py-mod docutils literal notranslate"><span class="pre">http.client</span></code> — HTTP protocol client</a></p>
<h4>Next topic</h4>
<p class="topless"><a href="poplib.html"
title="next chapter"><code class="xref py py-mod docutils literal notranslate"><span class="pre">poplib</span></code> — POP3 protocol client</a></p>
<div role="note" aria-label="source link">
<h3>This Page</h3>
<ul class="this-page-menu">
<li><a href="../bugs.html">Report a Bug</a></li>
<li>
<a href="https://github.com/python/cpython/blob/3.10/Doc/library/ftplib.rst"
rel="nofollow">Show Source
</a>
</li>
</ul>
</div>
</div>
</div>
<div class="clearer"></div>
</div>
<div class="related" role="navigation" aria-label="related navigation">
<h3>Navigation</h3>
<ul>
<li class="right" style="margin-right: 10px">
<a href="../genindex.html" title="General Index"
>index</a></li>
<li class="right" >
<a href="../py-modindex.html" title="Python Module Index"
>modules</a> |</li>
<li class="right" >
<a href="poplib.html" title="poplib — POP3 protocol client"
>next</a> |</li>
<li class="right" >
<a href="http.client.html" title="http.client — HTTP protocol client"
>previous</a> |</li>
<li><img src="../_static/py.svg" alt="python logo" style="vertical-align: middle; margin-top: -1px"/></li>
<li><a href="https://www.python.org/">Python</a> »</li>
<li class="switchers">
<div class="language_switcher_placeholder"></div>
<div class="version_switcher_placeholder"></div>
</li>
<li>
</li>
<li id="cpython-language-and-version">
<a href="../index.html">3.10.12 Documentation</a> »
</li>
<li class="nav-item nav-item-1"><a href="index.html" >The Python Standard Library</a> »</li>
<li class="nav-item nav-item-2"><a href="internet.html" >Internet Protocols and Support</a> »</li>
<li class="nav-item nav-item-this"><a href=""><code class="xref py py-mod docutils literal notranslate"><span class="pre">ftplib</span></code> — FTP protocol client</a></li>
<li class="right">
<div class="inline-search" role="search">
<form class="inline-search" action="../search.html" method="get">
<input placeholder="Quick search" aria-label="Quick search" type="text" name="q" />
<input type="submit" value="Go" />
<input type="hidden" name="check_keywords" value="yes" />
<input type="hidden" name="area" value="default" />
</form>
</div>
|
</li>
</ul>
</div>
<div class="footer">
© <a href="../copyright.html">Copyright</a> 2001-2025, Python Software Foundation.
<br />
This page is licensed under the Python Software Foundation License Version 2.
<br />
Examples, recipes, and other code in the documentation are additionally licensed under the Zero Clause BSD License.
<br />
See <a href="/license.html">History and License</a> for more information.<br />
<br />
The Python Software Foundation is a non-profit corporation.
<a href="https://www.python.org/psf/donations/">Please donate.</a>
<br />
<br />
Last updated on August 15, 2025.
<a href="/bugs.html">Found a bug</a>?
<br />
Created using <a href="https://www.sphinx-doc.org/">Sphinx</a> 4.3.2.
</div>
</body>
</html>