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Internet Protocols and Support</a> &#187;</li> <li class="right"> <div class="inline-search" style="display: none" role="search"> <form class="inline-search" action="../search.html" method="get"> <input placeholder="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> <script type="text/javascript">$('.inline-search').show(0);</script> | </li> </ul> </div> <div class="document"> <div class="documentwrapper"> <div class="bodywrapper"> <div class="body" role="main"> <div class="section" id="module-http.client"> <span id="http-client-http-protocol-client"></span><h1>21.12. <a class="reference internal" href="#module-http.client" title="http.client: HTTP and HTTPS protocol client (requires sockets)."><code class="xref py py-mod docutils literal notranslate"><span class="pre">http.client</span></code></a> — HTTP protocol client<a class="headerlink" href="#module-http.client" title="Permalink to this headline">¶</a></h1> <p><strong>Source code:</strong> <a class="reference external" href="https://github.com/python/cpython/tree/3.6/Lib/http/client.py">Lib/http/client.py</a></p> <span class="target" id="index-0"></span><hr class="docutils" id="index-1" /> <p>This module defines classes which implement the client side of the HTTP and HTTPS protocols. It is normally not used directly — 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> uses it to handle URLs that use HTTP and HTTPS.</p> <div class="admonition seealso"> <p class="first admonition-title">See also</p> <p class="last">The <a class="reference external" href="http://docs.python-requests.org/">Requests package</a> is recommended for a higher-level HTTP client interface.</p> </div> <div class="admonition note"> <p class="first admonition-title">Note</p> <p class="last">HTTPS support is only available if Python was compiled with SSL support (through the <a class="reference internal" href="ssl.html#module-ssl" title="ssl: TLS/SSL wrapper for socket objects"><code class="xref py py-mod docutils literal notranslate"><span class="pre">ssl</span></code></a> module).</p> </div> <p>The module provides the following classes:</p> <dl class="class"> <dt id="http.client.HTTPConnection"> <em class="property">class </em><code class="descclassname">http.client.</code><code class="descname">HTTPConnection</code><span class="sig-paren">(</span><em>host</em>, <em>port=None</em>, <span class="optional">[</span><em>timeout</em>, <span class="optional">]</span><em>source_address=None</em><span class="sig-paren">)</span><a class="headerlink" href="#http.client.HTTPConnection" title="Permalink to this definition">¶</a></dt> <dd><p>An <a class="reference internal" href="#http.client.HTTPConnection" title="http.client.HTTPConnection"><code class="xref py py-class docutils literal notranslate"><span class="pre">HTTPConnection</span></code></a> instance represents one transaction with an HTTP server. It should be instantiated passing it a host and optional port number. If no port number is passed, the port is extracted from the host string if it has the form <code class="docutils literal notranslate"><span class="pre">host:port</span></code>, else the default HTTP port (80) is used. If the optional <em>timeout</em> parameter is given, blocking operations (like connection attempts) will timeout after that many seconds (if it is not given, the global default timeout setting is used). The optional <em>source_address</em> parameter may be a tuple of a (host, port) to use as the source address the HTTP connection is made from.</p> <p>For example, the following calls all create instances that connect to the server at the same host and port:</p> <div class="highlight-python3 notranslate"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="n">h1</span> <span class="o">=</span> <span class="n">http</span><span class="o">.</span><span class="n">client</span><span class="o">.</span><span class="n">HTTPConnection</span><span class="p">(</span><span class="s1">&#39;www.python.org&#39;</span><span class="p">)</span> <span class="gp">&gt;&gt;&gt; </span><span class="n">h2</span> <span class="o">=</span> <span class="n">http</span><span class="o">.</span><span class="n">client</span><span class="o">.</span><span class="n">HTTPConnection</span><span class="p">(</span><span class="s1">&#39;www.python.org:80&#39;</span><span class="p">)</span> <span class="gp">&gt;&gt;&gt; </span><span class="n">h3</span> <span class="o">=</span> <span class="n">http</span><span class="o">.</span><span class="n">client</span><span class="o">.</span><span class="n">HTTPConnection</span><span class="p">(</span><span class="s1">&#39;www.python.org&#39;</span><span class="p">,</span> <span class="mi">80</span><span class="p">)</span> <span class="gp">&gt;&gt;&gt; </span><span class="n">h4</span> <span class="o">=</span> <span class="n">http</span><span class="o">.</span><span class="n">client</span><span class="o">.</span><span class="n">HTTPConnection</span><span class="p">(</span><span class="s1">&#39;www.python.org&#39;</span><span class="p">,</span> <span class="mi">80</span><span class="p">,</span> <span class="n">timeout</span><span class="o">=</span><span class="mi">10</span><span class="p">)</span> </pre></div> </div> <div class="versionchanged"> <p><span class="versionmodified">Changed in version 3.2: </span><em>source_address</em> was added.</p> </div> <div class="versionchanged"> <p><span class="versionmodified">Changed in version 3.4: </span>The <em>strict</em> parameter was removed. HTTP 0.9-style “Simple Responses” are not longer supported.</p> </div> </dd></dl> <dl class="class"> <dt id="http.client.HTTPSConnection"> <em class="property">class </em><code class="descclassname">http.client.</code><code class="descname">HTTPSConnection</code><span class="sig-paren">(</span><em>host</em>, <em>port=None</em>, <em>key_file=None</em>, <em>cert_file=None</em>, <span class="optional">[</span><em>timeout</em>, <span class="optional">]</span><em>source_address=None</em>, <em>*</em>, <em>context=None</em>, <em>check_hostname=None</em><span class="sig-paren">)</span><a class="headerlink" href="#http.client.HTTPSConnection" title="Permalink to this definition">¶</a></dt> <dd><p>A subclass of <a class="reference internal" href="#http.client.HTTPConnection" title="http.client.HTTPConnection"><code class="xref py py-class docutils literal notranslate"><span class="pre">HTTPConnection</span></code></a> that uses SSL for communication with secure servers. Default port is <code class="docutils literal notranslate"><span class="pre">443</span></code>. If <em>context</em> is specified, it must be 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> instance describing the various SSL options.</p> <p>Please read <a class="reference internal" href="ssl.html#ssl-security"><span class="std std-ref">Security considerations</span></a> for more information on best practices.</p> <div class="versionchanged"> <p><span class="versionmodified">Changed in version 3.2: </span><em>source_address</em>, <em>context</em> and <em>check_hostname</em> were added.</p> </div> <div class="versionchanged"> <p><span class="versionmodified">Changed in version 3.2: </span>This class now supports HTTPS virtual hosts if possible (that is, if <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> is true).</p> </div> <div class="versionchanged"> <p><span class="versionmodified">Changed in version 3.4: </span>The <em>strict</em> parameter was removed. HTTP 0.9-style “Simple Responses” are no longer supported.</p> </div> <div class="versionchanged"> <p><span class="versionmodified">Changed in version 3.4.3: </span>This class now performs all the necessary certificate and hostname checks by default. To revert to the previous, unverified, behavior <code class="xref py py-func docutils literal notranslate"><span class="pre">ssl._create_unverified_context()</span></code> can be passed to the <em>context</em> parameter.</p> </div> <div class="deprecated"> <p><span class="versionmodified">Deprecated since version 3.6: </span><em>key_file</em> and <em>cert_file</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> <p>The <em>check_hostname</em> parameter is also deprecated; the <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> attribute of <em>context</em> should be used instead.</p> </div> </dd></dl> <dl class="class"> <dt id="http.client.HTTPResponse"> <em class="property">class </em><code class="descclassname">http.client.</code><code class="descname">HTTPResponse</code><span class="sig-paren">(</span><em>sock</em>, <em>debuglevel=0</em>, <em>method=None</em>, <em>url=None</em><span class="sig-paren">)</span><a class="headerlink" href="#http.client.HTTPResponse" title="Permalink to this definition">¶</a></dt> <dd><p>Class whose instances are returned upon successful connection. Not instantiated directly by user.</p> <div class="versionchanged"> <p><span class="versionmodified">Changed in version 3.4: </span>The <em>strict</em> parameter was removed. HTTP 0.9 style “Simple Responses” are no longer supported.</p> </div> </dd></dl> <p>The following exceptions are raised as appropriate:</p> <dl class="exception"> <dt id="http.client.HTTPException"> <em class="property">exception </em><code class="descclassname">http.client.</code><code class="descname">HTTPException</code><a class="headerlink" href="#http.client.HTTPException" title="Permalink to this definition">¶</a></dt> <dd><p>The base class of the other exceptions in this module. It is a subclass of <a class="reference internal" href="exceptions.html#Exception" title="Exception"><code class="xref py py-exc docutils literal notranslate"><span class="pre">Exception</span></code></a>.</p> </dd></dl> <dl class="exception"> <dt id="http.client.NotConnected"> <em class="property">exception </em><code class="descclassname">http.client.</code><code class="descname">NotConnected</code><a class="headerlink" href="#http.client.NotConnected" title="Permalink to this definition">¶</a></dt> <dd><p>A subclass of <a class="reference internal" href="#http.client.HTTPException" title="http.client.HTTPException"><code class="xref py py-exc docutils literal notranslate"><span class="pre">HTTPException</span></code></a>.</p> </dd></dl> <dl class="exception"> <dt id="http.client.InvalidURL"> <em class="property">exception </em><code class="descclassname">http.client.</code><code class="descname">InvalidURL</code><a class="headerlink" href="#http.client.InvalidURL" title="Permalink to this definition">¶</a></dt> <dd><p>A subclass of <a class="reference internal" href="#http.client.HTTPException" title="http.client.HTTPException"><code class="xref py py-exc docutils literal notranslate"><span class="pre">HTTPException</span></code></a>, raised if a port is given and is either non-numeric or empty.</p> </dd></dl> <dl class="exception"> <dt id="http.client.UnknownProtocol"> <em class="property">exception </em><code class="descclassname">http.client.</code><code class="descname">UnknownProtocol</code><a class="headerlink" href="#http.client.UnknownProtocol" title="Permalink to this definition">¶</a></dt> <dd><p>A subclass of <a class="reference internal" href="#http.client.HTTPException" title="http.client.HTTPException"><code class="xref py py-exc docutils literal notranslate"><span class="pre">HTTPException</span></code></a>.</p> </dd></dl> <dl class="exception"> <dt id="http.client.UnknownTransferEncoding"> <em class="property">exception </em><code class="descclassname">http.client.</code><code class="descname">UnknownTransferEncoding</code><a class="headerlink" href="#http.client.UnknownTransferEncoding" title="Permalink to this definition">¶</a></dt> <dd><p>A subclass of <a class="reference internal" href="#http.client.HTTPException" title="http.client.HTTPException"><code class="xref py py-exc docutils literal notranslate"><span class="pre">HTTPException</span></code></a>.</p> </dd></dl> <dl class="exception"> <dt id="http.client.UnimplementedFileMode"> <em class="property">exception </em><code class="descclassname">http.client.</code><code class="descname">UnimplementedFileMode</code><a class="headerlink" href="#http.client.UnimplementedFileMode" title="Permalink to this definition">¶</a></dt> <dd><p>A subclass of <a class="reference internal" href="#http.client.HTTPException" title="http.client.HTTPException"><code class="xref py py-exc docutils literal notranslate"><span class="pre">HTTPException</span></code></a>.</p> </dd></dl> <dl class="exception"> <dt id="http.client.IncompleteRead"> <em class="property">exception </em><code class="descclassname">http.client.</code><code class="descname">IncompleteRead</code><a class="headerlink" href="#http.client.IncompleteRead" title="Permalink to this definition">¶</a></dt> <dd><p>A subclass of <a class="reference internal" href="#http.client.HTTPException" title="http.client.HTTPException"><code class="xref py py-exc docutils literal notranslate"><span class="pre">HTTPException</span></code></a>.</p> </dd></dl> <dl class="exception"> <dt id="http.client.ImproperConnectionState"> <em class="property">exception </em><code class="descclassname">http.client.</code><code class="descname">ImproperConnectionState</code><a class="headerlink" href="#http.client.ImproperConnectionState" title="Permalink to this definition">¶</a></dt> <dd><p>A subclass of <a class="reference internal" href="#http.client.HTTPException" title="http.client.HTTPException"><code class="xref py py-exc docutils literal notranslate"><span class="pre">HTTPException</span></code></a>.</p> </dd></dl> <dl class="exception"> <dt id="http.client.CannotSendRequest"> <em class="property">exception </em><code class="descclassname">http.client.</code><code class="descname">CannotSendRequest</code><a class="headerlink" href="#http.client.CannotSendRequest" title="Permalink to this definition">¶</a></dt> <dd><p>A subclass of <a class="reference internal" href="#http.client.ImproperConnectionState" title="http.client.ImproperConnectionState"><code class="xref py py-exc docutils literal notranslate"><span class="pre">ImproperConnectionState</span></code></a>.</p> </dd></dl> <dl class="exception"> <dt id="http.client.CannotSendHeader"> <em class="property">exception </em><code class="descclassname">http.client.</code><code class="descname">CannotSendHeader</code><a class="headerlink" href="#http.client.CannotSendHeader" title="Permalink to this definition">¶</a></dt> <dd><p>A subclass of <a class="reference internal" href="#http.client.ImproperConnectionState" title="http.client.ImproperConnectionState"><code class="xref py py-exc docutils literal notranslate"><span class="pre">ImproperConnectionState</span></code></a>.</p> </dd></dl> <dl class="exception"> <dt id="http.client.ResponseNotReady"> <em class="property">exception </em><code class="descclassname">http.client.</code><code class="descname">ResponseNotReady</code><a class="headerlink" href="#http.client.ResponseNotReady" title="Permalink to this definition">¶</a></dt> <dd><p>A subclass of <a class="reference internal" href="#http.client.ImproperConnectionState" title="http.client.ImproperConnectionState"><code class="xref py py-exc docutils literal notranslate"><span class="pre">ImproperConnectionState</span></code></a>.</p> </dd></dl> <dl class="exception"> <dt id="http.client.BadStatusLine"> <em class="property">exception </em><code class="descclassname">http.client.</code><code class="descname">BadStatusLine</code><a class="headerlink" href="#http.client.BadStatusLine" title="Permalink to this definition">¶</a></dt> <dd><p>A subclass of <a class="reference internal" href="#http.client.HTTPException" title="http.client.HTTPException"><code class="xref py py-exc docutils literal notranslate"><span class="pre">HTTPException</span></code></a>. Raised if a server responds with a HTTP status code that we don’t understand.</p> </dd></dl> <dl class="exception"> <dt id="http.client.LineTooLong"> <em class="property">exception </em><code class="descclassname">http.client.</code><code class="descname">LineTooLong</code><a class="headerlink" href="#http.client.LineTooLong" title="Permalink to this definition">¶</a></dt> <dd><p>A subclass of <a class="reference internal" href="#http.client.HTTPException" title="http.client.HTTPException"><code class="xref py py-exc docutils literal notranslate"><span class="pre">HTTPException</span></code></a>. Raised if an excessively long line is received in the HTTP protocol from the server.</p> </dd></dl> <dl class="exception"> <dt id="http.client.RemoteDisconnected"> <em class="property">exception </em><code class="descclassname">http.client.</code><code class="descname">RemoteDisconnected</code><a class="headerlink" href="#http.client.RemoteDisconnected" title="Permalink to this definition">¶</a></dt> <dd><p>A subclass of <a class="reference internal" href="exceptions.html#ConnectionResetError" title="ConnectionResetError"><code class="xref py py-exc docutils literal notranslate"><span class="pre">ConnectionResetError</span></code></a> and <a class="reference internal" href="#http.client.BadStatusLine" title="http.client.BadStatusLine"><code class="xref py py-exc docutils literal notranslate"><span class="pre">BadStatusLine</span></code></a>. Raised by <a class="reference internal" href="#http.client.HTTPConnection.getresponse" title="http.client.HTTPConnection.getresponse"><code class="xref py py-meth docutils literal notranslate"><span class="pre">HTTPConnection.getresponse()</span></code></a> when the attempt to read the response results in no data read from the connection, indicating that the remote end has closed the connection.</p> <div class="versionadded"> <p><span class="versionmodified">New in version 3.5: </span>Previously, <a class="reference internal" href="#http.client.BadStatusLine" title="http.client.BadStatusLine"><code class="xref py py-exc docutils literal notranslate"><span class="pre">BadStatusLine</span></code></a><code class="docutils literal notranslate"><span class="pre">('')</span></code> was raised.</p> </div> </dd></dl> <p>The constants defined in this module are:</p> <dl class="data"> <dt id="http.client.HTTP_PORT"> <code class="descclassname">http.client.</code><code class="descname">HTTP_PORT</code><a class="headerlink" href="#http.client.HTTP_PORT" title="Permalink to this definition">¶</a></dt> <dd><p>The default port for the HTTP protocol (always <code class="docutils literal notranslate"><span class="pre">80</span></code>).</p> </dd></dl> <dl class="data"> <dt id="http.client.HTTPS_PORT"> <code class="descclassname">http.client.</code><code class="descname">HTTPS_PORT</code><a class="headerlink" href="#http.client.HTTPS_PORT" title="Permalink to this definition">¶</a></dt> <dd><p>The default port for the HTTPS protocol (always <code class="docutils literal notranslate"><span class="pre">443</span></code>).</p> </dd></dl> <dl class="data"> <dt id="http.client.responses"> <code class="descclassname">http.client.</code><code class="descname">responses</code><a class="headerlink" href="#http.client.responses" title="Permalink to this definition">¶</a></dt> <dd><p>This dictionary maps the HTTP 1.1 status codes to the W3C names.</p> <p>Example: <code class="docutils literal notranslate"><span class="pre">http.client.responses[http.client.NOT_FOUND]</span></code> is <code class="docutils literal notranslate"><span class="pre">'Not</span> <span class="pre">Found'</span></code>.</p> </dd></dl> <p>See <a class="reference internal" href="http.html#http-status-codes"><span class="std std-ref">HTTP status codes</span></a> for a list of HTTP status codes that are available in this module as constants.</p> <div class="section" id="httpconnection-objects"> <span id="id1"></span><h2>21.12.1. HTTPConnection Objects<a class="headerlink" href="#httpconnection-objects" title="Permalink to this headline">¶</a></h2> <p><a class="reference internal" href="#http.client.HTTPConnection" title="http.client.HTTPConnection"><code class="xref py py-class docutils literal notranslate"><span class="pre">HTTPConnection</span></code></a> instances have the following methods:</p> <dl class="method"> <dt id="http.client.HTTPConnection.request"> <code class="descclassname">HTTPConnection.</code><code class="descname">request</code><span class="sig-paren">(</span><em>method</em>, <em>url</em>, <em>body=None</em>, <em>headers={}</em>, <em>*</em>, <em>encode_chunked=False</em><span class="sig-paren">)</span><a class="headerlink" href="#http.client.HTTPConnection.request" title="Permalink to this definition">¶</a></dt> <dd><p>This will send a request to the server using the HTTP request method <em>method</em> and the selector <em>url</em>.</p> <p>If <em>body</em> is specified, the specified data is sent after the headers are finished. It may be a <a class="reference internal" href="stdtypes.html#str" title="str"><code class="xref py py-class docutils literal notranslate"><span class="pre">str</span></code></a>, a <a class="reference internal" href="../glossary.html#term-bytes-like-object"><span class="xref std std-term">bytes-like object</span></a>, an open <a class="reference internal" href="../glossary.html#term-file-object"><span class="xref std std-term">file object</span></a>, or an iterable of <a class="reference internal" href="stdtypes.html#bytes" title="bytes"><code class="xref py py-class docutils literal notranslate"><span class="pre">bytes</span></code></a>. If <em>body</em> is a string, it is encoded as ISO-8859-1, the default for HTTP. If it is a bytes-like object, the bytes are sent as is. If it is a <a class="reference internal" href="../glossary.html#term-file-object"><span class="xref std std-term">file object</span></a>, the contents of the file is sent; this file object should support at least the <code class="docutils literal notranslate"><span class="pre">read()</span></code> method. If the file object is an instance of <a class="reference internal" href="io.html#io.TextIOBase" title="io.TextIOBase"><code class="xref py py-class docutils literal notranslate"><span class="pre">io.TextIOBase</span></code></a>, the data returned by the <code class="docutils literal notranslate"><span class="pre">read()</span></code> method will be encoded as ISO-8859-1, otherwise the data returned by <code class="docutils literal notranslate"><span class="pre">read()</span></code> is sent as is. If <em>body</em> is an iterable, the elements of the iterable are sent as is until the iterable is exhausted.</p> <p>The <em>headers</em> argument should be a mapping of extra HTTP headers to send with the request.</p> <p>If <em>headers</em> contains neither Content-Length nor Transfer-Encoding, but there is a request body, one of those header fields will be added automatically. If <em>body</em> is <code class="docutils literal notranslate"><span class="pre">None</span></code>, the Content-Length header is set to <code class="docutils literal notranslate"><span class="pre">0</span></code> for methods that expect a body (<code class="docutils literal notranslate"><span class="pre">PUT</span></code>, <code class="docutils literal notranslate"><span class="pre">POST</span></code>, and <code class="docutils literal notranslate"><span class="pre">PATCH</span></code>). If <em>body</em> is a string or a bytes-like object that is not also a <a class="reference internal" href="../glossary.html#term-file-object"><span class="xref std std-term">file</span></a>, the Content-Length header is set to its length. Any other type of <em>body</em> (files and iterables in general) will be chunk-encoded, and the Transfer-Encoding header will automatically be set instead of Content-Length.</p> <p>The <em>encode_chunked</em> argument is only relevant if Transfer-Encoding is specified in <em>headers</em>. If <em>encode_chunked</em> is <code class="docutils literal notranslate"><span class="pre">False</span></code>, the HTTPConnection object assumes that all encoding is handled by the calling code. If it is <code class="docutils literal notranslate"><span class="pre">True</span></code>, the body will be chunk-encoded.</p> <div class="admonition note"> <p class="first admonition-title">Note</p> <p class="last">Chunked transfer encoding has been added to the HTTP protocol version 1.1. Unless the HTTP server is known to handle HTTP 1.1, the caller must either specify the Content-Length, or must pass a <a class="reference internal" href="stdtypes.html#str" title="str"><code class="xref py py-class docutils literal notranslate"><span class="pre">str</span></code></a> or bytes-like object that is not also a file as the body representation.</p> </div> <div class="versionadded"> <p><span class="versionmodified">New in version 3.2: </span><em>body</em> can now be an iterable.</p> </div> <div class="versionchanged"> <p><span class="versionmodified">Changed in version 3.6: </span>If neither Content-Length nor Transfer-Encoding are set in <em>headers</em>, file and iterable <em>body</em> objects are now chunk-encoded. The <em>encode_chunked</em> argument was added. No attempt is made to determine the Content-Length for file objects.</p> </div> </dd></dl> <dl class="method"> <dt id="http.client.HTTPConnection.getresponse"> <code class="descclassname">HTTPConnection.</code><code class="descname">getresponse</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#http.client.HTTPConnection.getresponse" title="Permalink to this definition">¶</a></dt> <dd><p>Should be called after a request is sent to get the response from the server. Returns an <a class="reference internal" href="#http.client.HTTPResponse" title="http.client.HTTPResponse"><code class="xref py py-class docutils literal notranslate"><span class="pre">HTTPResponse</span></code></a> instance.</p> <div class="admonition note"> <p class="first admonition-title">Note</p> <p class="last">Note that you must have read the whole response before you can send a new request to the server.</p> </div> <div class="versionchanged"> <p><span class="versionmodified">Changed in version 3.5: </span>If a <a class="reference internal" href="exceptions.html#ConnectionError" title="ConnectionError"><code class="xref py py-exc docutils literal notranslate"><span class="pre">ConnectionError</span></code></a> or subclass is raised, the <a class="reference internal" href="#http.client.HTTPConnection" title="http.client.HTTPConnection"><code class="xref py py-class docutils literal notranslate"><span class="pre">HTTPConnection</span></code></a> object will be ready to reconnect when a new request is sent.</p> </div> </dd></dl> <dl class="method"> <dt id="http.client.HTTPConnection.set_debuglevel"> <code class="descclassname">HTTPConnection.</code><code class="descname">set_debuglevel</code><span class="sig-paren">(</span><em>level</em><span class="sig-paren">)</span><a class="headerlink" href="#http.client.HTTPConnection.set_debuglevel" title="Permalink to this definition">¶</a></dt> <dd><p>Set the debugging level. The default debug level is <code class="docutils literal notranslate"><span class="pre">0</span></code>, meaning no debugging output is printed. Any value greater than <code class="docutils literal notranslate"><span class="pre">0</span></code> will cause all currently defined debug output to be printed to stdout. The <code class="docutils literal notranslate"><span class="pre">debuglevel</span></code> is passed to any new <a class="reference internal" href="#http.client.HTTPResponse" title="http.client.HTTPResponse"><code class="xref py py-class docutils literal notranslate"><span class="pre">HTTPResponse</span></code></a> objects that are created.</p> <div class="versionadded"> <p><span class="versionmodified">New in version 3.1.</span></p> </div> </dd></dl> <dl class="method"> <dt id="http.client.HTTPConnection.set_tunnel"> <code class="descclassname">HTTPConnection.</code><code class="descname">set_tunnel</code><span class="sig-paren">(</span><em>host</em>, <em>port=None</em>, <em>headers=None</em><span class="sig-paren">)</span><a class="headerlink" href="#http.client.HTTPConnection.set_tunnel" title="Permalink to this definition">¶</a></dt> <dd><p>Set the host and the port for HTTP Connect Tunnelling. This allows running the connection through a proxy server.</p> <p>The host and port arguments specify the endpoint of the tunneled connection (i.e. the address included in the CONNECT request, <em>not</em> the address of the proxy server).</p> <p>The headers argument should be a mapping of extra HTTP headers to send with the CONNECT request.</p> <p>For example, to tunnel through a HTTPS proxy server running locally on port 8080, we would pass the address of the proxy to the <a class="reference internal" href="#http.client.HTTPSConnection" title="http.client.HTTPSConnection"><code class="xref py py-class docutils literal notranslate"><span class="pre">HTTPSConnection</span></code></a> constructor, and the address of the host that we eventually want to reach to the <a class="reference internal" href="#http.client.HTTPConnection.set_tunnel" title="http.client.HTTPConnection.set_tunnel"><code class="xref py py-meth docutils literal notranslate"><span class="pre">set_tunnel()</span></code></a> method:</p> <div class="highlight-python3 notranslate"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="kn">import</span> <span class="nn">http.client</span> <span class="gp">&gt;&gt;&gt; </span><span class="n">conn</span> <span class="o">=</span> <span class="n">http</span><span class="o">.</span><span class="n">client</span><span class="o">.</span><span class="n">HTTPSConnection</span><span class="p">(</span><span class="s2">&quot;localhost&quot;</span><span class="p">,</span> <span class="mi">8080</span><span class="p">)</span> <span class="gp">&gt;&gt;&gt; </span><span class="n">conn</span><span class="o">.</span><span class="n">set_tunnel</span><span class="p">(</span><span class="s2">&quot;www.python.org&quot;</span><span class="p">)</span> <span class="gp">&gt;&gt;&gt; </span><span class="n">conn</span><span class="o">.</span><span class="n">request</span><span class="p">(</span><span class="s2">&quot;HEAD&quot;</span><span class="p">,</span><span class="s2">&quot;/index.html&quot;</span><span class="p">)</span> </pre></div> </div> <div class="versionadded"> <p><span class="versionmodified">New in version 3.2.</span></p> </div> </dd></dl> <dl class="method"> <dt id="http.client.HTTPConnection.connect"> <code class="descclassname">HTTPConnection.</code><code class="descname">connect</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#http.client.HTTPConnection.connect" title="Permalink to this definition">¶</a></dt> <dd><p>Connect to the server specified when the object was created. By default, this is called automatically when making a request if the client does not already have a connection.</p> </dd></dl> <dl class="method"> <dt id="http.client.HTTPConnection.close"> <code class="descclassname">HTTPConnection.</code><code class="descname">close</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#http.client.HTTPConnection.close" title="Permalink to this definition">¶</a></dt> <dd><p>Close the connection to the server.</p> </dd></dl> <p>As an alternative to using the <code class="xref py py-meth docutils literal notranslate"><span class="pre">request()</span></code> method described above, you can also send your request step by step, by using the four functions below.</p> <dl class="method"> <dt id="http.client.HTTPConnection.putrequest"> <code class="descclassname">HTTPConnection.</code><code class="descname">putrequest</code><span class="sig-paren">(</span><em>method</em>, <em>url</em>, <em>skip_host=False</em>, <em>skip_accept_encoding=False</em><span class="sig-paren">)</span><a class="headerlink" href="#http.client.HTTPConnection.putrequest" title="Permalink to this definition">¶</a></dt> <dd><p>This should be the first call after the connection to the server has been made. It sends a line to the server consisting of the <em>method</em> string, the <em>url</em> string, and the HTTP version (<code class="docutils literal notranslate"><span class="pre">HTTP/1.1</span></code>). To disable automatic sending of <code class="docutils literal notranslate"><span class="pre">Host:</span></code> or <code class="docutils literal notranslate"><span class="pre">Accept-Encoding:</span></code> headers (for example to accept additional content encodings), specify <em>skip_host</em> or <em>skip_accept_encoding</em> with non-False values.</p> </dd></dl> <dl class="method"> <dt id="http.client.HTTPConnection.putheader"> <code class="descclassname">HTTPConnection.</code><code class="descname">putheader</code><span class="sig-paren">(</span><em>header</em>, <em>argument</em><span class="optional">[</span>, <em>...</em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#http.client.HTTPConnection.putheader" title="Permalink to this definition">¶</a></dt> <dd><p>Send an <span class="target" id="index-2"></span><a class="rfc reference external" href="https://tools.ietf.org/html/rfc822.html"><strong>RFC 822</strong></a>-style header to the server. It sends a line to the server consisting of the header, a colon and a space, and the first argument. If more arguments are given, continuation lines are sent, each consisting of a tab and an argument.</p> </dd></dl> <dl class="method"> <dt id="http.client.HTTPConnection.endheaders"> <code class="descclassname">HTTPConnection.</code><code class="descname">endheaders</code><span class="sig-paren">(</span><em>message_body=None</em>, <em>*</em>, <em>encode_chunked=False</em><span class="sig-paren">)</span><a class="headerlink" href="#http.client.HTTPConnection.endheaders" title="Permalink to this definition">¶</a></dt> <dd><p>Send a blank line to the server, signalling the end of the headers. The optional <em>message_body</em> argument can be used to pass a message body associated with the request.</p> <p>If <em>encode_chunked</em> is <code class="docutils literal notranslate"><span class="pre">True</span></code>, the result of each iteration of <em>message_body</em> will be chunk-encoded as specified in <span class="target" id="index-3"></span><a class="rfc reference external" href="https://tools.ietf.org/html/rfc7230.html"><strong>RFC 7230</strong></a>, Section 3.3.1. How the data is encoded is dependent on the type of <em>message_body</em>. If <em>message_body</em> implements the <a class="reference internal" href="../c-api/buffer.html#bufferobjects"><span class="std std-ref">buffer interface</span></a> the encoding will result in a single chunk. If <em>message_body</em> is a <code class="xref py py-class docutils literal notranslate"><span class="pre">collections.Iterable</span></code>, each iteration of <em>message_body</em> will result in a chunk. If <em>message_body</em> is a <a class="reference internal" href="../glossary.html#term-file-object"><span class="xref std std-term">file object</span></a>, each call to <code class="docutils literal notranslate"><span class="pre">.read()</span></code> will result in a chunk. The method automatically signals the end of the chunk-encoded data immediately after <em>message_body</em>.</p> <div class="admonition note"> <p class="first admonition-title">Note</p> <p class="last">Due to the chunked encoding specification, empty chunks yielded by an iterator body will be ignored by the chunk-encoder. This is to avoid premature termination of the read of the request by the target server due to malformed encoding.</p> </div> <div class="versionadded"> <p><span class="versionmodified">New in version 3.6: </span>Chunked encoding support. The <em>encode_chunked</em> parameter was added.</p> </div> </dd></dl> <dl class="method"> <dt id="http.client.HTTPConnection.send"> <code class="descclassname">HTTPConnection.</code><code class="descname">send</code><span class="sig-paren">(</span><em>data</em><span class="sig-paren">)</span><a class="headerlink" href="#http.client.HTTPConnection.send" title="Permalink to this definition">¶</a></dt> <dd><p>Send data to the server. This should be used directly only after the <a class="reference internal" href="#http.client.HTTPConnection.endheaders" title="http.client.HTTPConnection.endheaders"><code class="xref py py-meth docutils literal notranslate"><span class="pre">endheaders()</span></code></a> method has been called and before <a class="reference internal" href="#http.client.HTTPConnection.getresponse" title="http.client.HTTPConnection.getresponse"><code class="xref py py-meth docutils literal notranslate"><span class="pre">getresponse()</span></code></a> is called.</p> </dd></dl> </div> <div class="section" id="httpresponse-objects"> <span id="id2"></span><h2>21.12.2. HTTPResponse Objects<a class="headerlink" href="#httpresponse-objects" title="Permalink to this headline">¶</a></h2> <p>An <a class="reference internal" href="#http.client.HTTPResponse" title="http.client.HTTPResponse"><code class="xref py py-class docutils literal notranslate"><span class="pre">HTTPResponse</span></code></a> instance wraps the HTTP response from the server. It provides access to the request headers and the entity body. The response is an iterable object and can be used in a with statement.</p> <div class="versionchanged"> <p><span class="versionmodified">Changed in version 3.5: </span>The <a class="reference internal" href="io.html#io.BufferedIOBase" title="io.BufferedIOBase"><code class="xref py py-class docutils literal notranslate"><span class="pre">io.BufferedIOBase</span></code></a> interface is now implemented and all of its reader operations are supported.</p> </div> <dl class="method"> <dt id="http.client.HTTPResponse.read"> <code class="descclassname">HTTPResponse.</code><code class="descname">read</code><span class="sig-paren">(</span><span class="optional">[</span><em>amt</em><span class="optional">]</span><span class="sig-paren">)</span><a class="headerlink" href="#http.client.HTTPResponse.read" title="Permalink to this definition">¶</a></dt> <dd><p>Reads and returns the response body, or up to the next <em>amt</em> bytes.</p> </dd></dl> <dl class="method"> <dt id="http.client.HTTPResponse.readinto"> <code class="descclassname">HTTPResponse.</code><code class="descname">readinto</code><span class="sig-paren">(</span><em>b</em><span class="sig-paren">)</span><a class="headerlink" href="#http.client.HTTPResponse.readinto" title="Permalink to this definition">¶</a></dt> <dd><p>Reads up to the next len(b) bytes of the response body into the buffer <em>b</em>. Returns the number of bytes read.</p> <div class="versionadded"> <p><span class="versionmodified">New in version 3.3.</span></p> </div> </dd></dl> <dl class="method"> <dt id="http.client.HTTPResponse.getheader"> <code class="descclassname">HTTPResponse.</code><code class="descname">getheader</code><span class="sig-paren">(</span><em>name</em>, <em>default=None</em><span class="sig-paren">)</span><a class="headerlink" href="#http.client.HTTPResponse.getheader" title="Permalink to this definition">¶</a></dt> <dd><p>Return the value of the header <em>name</em>, or <em>default</em> if there is no header matching <em>name</em>. If there is more than one header with the name <em>name</em>, return all of the values joined by ‘, ‘. If ‘default’ is any iterable other than a single string, its elements are similarly returned joined by commas.</p> </dd></dl> <dl class="method"> <dt id="http.client.HTTPResponse.getheaders"> <code class="descclassname">HTTPResponse.</code><code class="descname">getheaders</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#http.client.HTTPResponse.getheaders" title="Permalink to this definition">¶</a></dt> <dd><p>Return a list of (header, value) tuples.</p> </dd></dl> <dl class="method"> <dt id="http.client.HTTPResponse.fileno"> <code class="descclassname">HTTPResponse.</code><code class="descname">fileno</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#http.client.HTTPResponse.fileno" title="Permalink to this definition">¶</a></dt> <dd><p>Return the <code class="docutils literal notranslate"><span class="pre">fileno</span></code> of the underlying socket.</p> </dd></dl> <dl class="attribute"> <dt id="http.client.HTTPResponse.msg"> <code class="descclassname">HTTPResponse.</code><code class="descname">msg</code><a class="headerlink" href="#http.client.HTTPResponse.msg" title="Permalink to this definition">¶</a></dt> <dd><p>A <code class="xref py py-class docutils literal notranslate"><span class="pre">http.client.HTTPMessage</span></code> instance containing the response headers. <code class="xref py py-class docutils literal notranslate"><span class="pre">http.client.HTTPMessage</span></code> is a subclass of <a class="reference internal" href="email.compat32-message.html#email.message.Message" title="email.message.Message"><code class="xref py py-class docutils literal notranslate"><span class="pre">email.message.Message</span></code></a>.</p> </dd></dl> <dl class="attribute"> <dt id="http.client.HTTPResponse.version"> <code class="descclassname">HTTPResponse.</code><code class="descname">version</code><a class="headerlink" href="#http.client.HTTPResponse.version" title="Permalink to this definition">¶</a></dt> <dd><p>HTTP protocol version used by server. 10 for HTTP/1.0, 11 for HTTP/1.1.</p> </dd></dl> <dl class="attribute"> <dt id="http.client.HTTPResponse.status"> <code class="descclassname">HTTPResponse.</code><code class="descname">status</code><a class="headerlink" href="#http.client.HTTPResponse.status" title="Permalink to this definition">¶</a></dt> <dd><p>Status code returned by server.</p> </dd></dl> <dl class="attribute"> <dt id="http.client.HTTPResponse.reason"> <code class="descclassname">HTTPResponse.</code><code class="descname">reason</code><a class="headerlink" href="#http.client.HTTPResponse.reason" title="Permalink to this definition">¶</a></dt> <dd><p>Reason phrase returned by server.</p> </dd></dl> <dl class="attribute"> <dt id="http.client.HTTPResponse.debuglevel"> <code class="descclassname">HTTPResponse.</code><code class="descname">debuglevel</code><a class="headerlink" href="#http.client.HTTPResponse.debuglevel" title="Permalink to this definition">¶</a></dt> <dd><p>A debugging hook. If <a class="reference internal" href="#http.client.HTTPResponse.debuglevel" title="http.client.HTTPResponse.debuglevel"><code class="xref py py-attr docutils literal notranslate"><span class="pre">debuglevel</span></code></a> is greater than zero, messages will be printed to stdout as the response is read and parsed.</p> </dd></dl> <dl class="attribute"> <dt id="http.client.HTTPResponse.closed"> <code class="descclassname">HTTPResponse.</code><code class="descname">closed</code><a class="headerlink" href="#http.client.HTTPResponse.closed" title="Permalink to this definition">¶</a></dt> <dd><p>Is <code class="docutils literal notranslate"><span class="pre">True</span></code> if the stream is closed.</p> </dd></dl> </div> <div class="section" id="examples"> <h2>21.12.3. Examples<a class="headerlink" href="#examples" title="Permalink to this headline">¶</a></h2> <p>Here is an example session that uses the <code class="docutils literal notranslate"><span class="pre">GET</span></code> method:</p> <div class="highlight-python3 notranslate"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="kn">import</span> <span class="nn">http.client</span> <span class="gp">&gt;&gt;&gt; </span><span class="n">conn</span> <span class="o">=</span> <span class="n">http</span><span class="o">.</span><span class="n">client</span><span class="o">.</span><span class="n">HTTPSConnection</span><span class="p">(</span><span class="s2">&quot;www.python.org&quot;</span><span class="p">)</span> <span class="gp">&gt;&gt;&gt; </span><span class="n">conn</span><span class="o">.</span><span class="n">request</span><span class="p">(</span><span class="s2">&quot;GET&quot;</span><span class="p">,</span> <span class="s2">&quot;/&quot;</span><span class="p">)</span> <span class="gp">&gt;&gt;&gt; </span><span class="n">r1</span> <span class="o">=</span> <span class="n">conn</span><span class="o">.</span><span class="n">getresponse</span><span class="p">()</span> <span class="gp">&gt;&gt;&gt; </span><span class="nb">print</span><span class="p">(</span><span class="n">r1</span><span class="o">.</span><span class="n">status</span><span class="p">,</span> <span class="n">r1</span><span class="o">.</span><span class="n">reason</span><span class="p">)</span> <span class="go">200 OK</span> <span class="gp">&gt;&gt;&gt; </span><span class="n">data1</span> <span class="o">=</span> <span class="n">r1</span><span class="o">.</span><span class="n">read</span><span class="p">()</span> <span class="c1"># This will return entire content.</span> <span class="gp">&gt;&gt;&gt; </span><span class="c1"># The following example demonstrates reading data in chunks.</span> <span class="gp">&gt;&gt;&gt; </span><span class="n">conn</span><span class="o">.</span><span class="n">request</span><span class="p">(</span><span class="s2">&quot;GET&quot;</span><span class="p">,</span> <span class="s2">&quot;/&quot;</span><span class="p">)</span> <span class="gp">&gt;&gt;&gt; </span><span class="n">r1</span> <span class="o">=</span> <span class="n">conn</span><span class="o">.</span><span class="n">getresponse</span><span class="p">()</span> <span class="gp">&gt;&gt;&gt; </span><span class="k">while</span> <span class="ow">not</span> <span class="n">r1</span><span class="o">.</span><span class="n">closed</span><span class="p">:</span> <span class="gp">... </span> <span class="nb">print</span><span class="p">(</span><span class="n">r1</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="mi">200</span><span class="p">))</span> <span class="c1"># 200 bytes</span> <span class="go">b&#39;&lt;!doctype html&gt;\n&lt;!--[if&quot;...</span> <span class="gp">...</span> <span class="gp">&gt;&gt;&gt; </span><span class="c1"># Example of an invalid request</span> <span class="gp">&gt;&gt;&gt; </span><span class="n">conn</span><span class="o">.</span><span class="n">request</span><span class="p">(</span><span class="s2">&quot;GET&quot;</span><span class="p">,</span> <span class="s2">&quot;/parrot.spam&quot;</span><span class="p">)</span> <span class="gp">&gt;&gt;&gt; </span><span class="n">r2</span> <span class="o">=</span> <span class="n">conn</span><span class="o">.</span><span class="n">getresponse</span><span class="p">()</span> <span class="gp">&gt;&gt;&gt; </span><span class="nb">print</span><span class="p">(</span><span class="n">r2</span><span class="o">.</span><span class="n">status</span><span class="p">,</span> <span class="n">r2</span><span class="o">.</span><span class="n">reason</span><span class="p">)</span> <span class="go">404 Not Found</span> <span class="gp">&gt;&gt;&gt; </span><span class="n">data2</span> <span class="o">=</span> <span class="n">r2</span><span class="o">.</span><span class="n">read</span><span class="p">()</span> <span class="gp">&gt;&gt;&gt; </span><span class="n">conn</span><span class="o">.</span><span class="n">close</span><span class="p">()</span> </pre></div> </div> <p>Here is an example session that uses the <code class="docutils literal notranslate"><span class="pre">HEAD</span></code> method. Note that the <code class="docutils literal notranslate"><span class="pre">HEAD</span></code> method never returns any data.</p> <div class="highlight-python3 notranslate"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="kn">import</span> <span class="nn">http.client</span> <span class="gp">&gt;&gt;&gt; </span><span class="n">conn</span> <span class="o">=</span> <span class="n">http</span><span class="o">.</span><span class="n">client</span><span class="o">.</span><span class="n">HTTPSConnection</span><span class="p">(</span><span class="s2">&quot;www.python.org&quot;</span><span class="p">)</span> <span class="gp">&gt;&gt;&gt; </span><span class="n">conn</span><span class="o">.</span><span class="n">request</span><span class="p">(</span><span class="s2">&quot;HEAD&quot;</span><span class="p">,</span> <span class="s2">&quot;/&quot;</span><span class="p">)</span> <span class="gp">&gt;&gt;&gt; </span><span class="n">res</span> <span class="o">=</span> <span class="n">conn</span><span class="o">.</span><span class="n">getresponse</span><span class="p">()</span> <span class="gp">&gt;&gt;&gt; </span><span class="nb">print</span><span class="p">(</span><span class="n">res</span><span class="o">.</span><span class="n">status</span><span class="p">,</span> <span class="n">res</span><span class="o">.</span><span class="n">reason</span><span class="p">)</span> <span class="go">200 OK</span> <span class="gp">&gt;&gt;&gt; </span><span class="n">data</span> <span class="o">=</span> <span class="n">res</span><span class="o">.</span><span class="n">read</span><span class="p">()</span> <span class="gp">&gt;&gt;&gt; </span><span class="nb">print</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="n">data</span><span class="p">))</span> <span class="go">0</span> <span class="gp">&gt;&gt;&gt; </span><span class="n">data</span> <span class="o">==</span> <span class="sa">b</span><span class="s1">&#39;&#39;</span> <span class="go">True</span> </pre></div> </div> <p>Here is an example session that shows how to <code class="docutils literal notranslate"><span class="pre">POST</span></code> requests:</p> <div class="highlight-python3 notranslate"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="kn">import</span> <span class="nn">http.client</span><span class="o">,</span> <span class="nn">urllib.parse</span> <span class="gp">&gt;&gt;&gt; </span><span class="n">params</span> <span class="o">=</span> <span class="n">urllib</span><span class="o">.</span><span class="n">parse</span><span class="o">.</span><span class="n">urlencode</span><span class="p">({</span><span class="s1">&#39;@number&#39;</span><span class="p">:</span> <span class="mi">12524</span><span class="p">,</span> <span class="s1">&#39;@type&#39;</span><span class="p">:</span> <span class="s1">&#39;issue&#39;</span><span class="p">,</span> <span class="s1">&#39;@action&#39;</span><span class="p">:</span> <span class="s1">&#39;show&#39;</span><span class="p">})</span> <span class="gp">&gt;&gt;&gt; </span><span class="n">headers</span> <span class="o">=</span> <span class="p">{</span><span class="s2">&quot;Content-type&quot;</span><span class="p">:</span> <span class="s2">&quot;application/x-www-form-urlencoded&quot;</span><span class="p">,</span> <span class="gp">... </span> <span class="s2">&quot;Accept&quot;</span><span class="p">:</span> <span class="s2">&quot;text/plain&quot;</span><span class="p">}</span> <span class="gp">&gt;&gt;&gt; </span><span class="n">conn</span> <span class="o">=</span> <span class="n">http</span><span class="o">.</span><span class="n">client</span><span class="o">.</span><span class="n">HTTPConnection</span><span class="p">(</span><span class="s2">&quot;bugs.python.org&quot;</span><span class="p">)</span> <span class="gp">&gt;&gt;&gt; </span><span class="n">conn</span><span class="o">.</span><span class="n">request</span><span class="p">(</span><span class="s2">&quot;POST&quot;</span><span class="p">,</span> <span class="s2">&quot;&quot;</span><span class="p">,</span> <span class="n">params</span><span class="p">,</span> <span class="n">headers</span><span class="p">)</span> <span class="gp">&gt;&gt;&gt; </span><span class="n">response</span> <span class="o">=</span> <span class="n">conn</span><span class="o">.</span><span class="n">getresponse</span><span class="p">()</span> <span class="gp">&gt;&gt;&gt; </span><span class="nb">print</span><span class="p">(</span><span class="n">response</span><span class="o">.</span><span class="n">status</span><span class="p">,</span> <span class="n">response</span><span class="o">.</span><span class="n">reason</span><span class="p">)</span> <span class="go">302 Found</span> <span class="gp">&gt;&gt;&gt; </span><span class="n">data</span> <span class="o">=</span> <span class="n">response</span><span class="o">.</span><span class="n">read</span><span class="p">()</span> <span class="gp">&gt;&gt;&gt; </span><span class="n">data</span> <span class="go">b&#39;Redirecting to &lt;a href=&quot;http://bugs.python.org/issue12524&quot;&gt;http://bugs.python.org/issue12524&lt;/a&gt;&#39;</span> <span class="gp">&gt;&gt;&gt; </span><span class="n">conn</span><span class="o">.</span><span class="n">close</span><span class="p">()</span> </pre></div> </div> <p>Client side <code class="docutils literal notranslate"><span class="pre">HTTP</span> <span class="pre">PUT</span></code> requests are very similar to <code class="docutils literal notranslate"><span class="pre">POST</span></code> requests. The difference lies only the server side where HTTP server will allow resources to be created via <code class="docutils literal notranslate"><span class="pre">PUT</span></code> request. It should be noted that custom HTTP methods +are also handled in <a class="reference internal" href="urllib.request.html#urllib.request.Request" title="urllib.request.Request"><code class="xref py py-class docutils literal notranslate"><span class="pre">urllib.request.Request</span></code></a> by sending the appropriate +method attribute.Here is an example session that shows how to do <code class="docutils literal notranslate"><span class="pre">PUT</span></code> request using http.client:</p> <div class="highlight-python3 notranslate"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="c1"># This creates an HTTP message</span> <span class="gp">&gt;&gt;&gt; </span><span class="c1"># with the content of BODY as the enclosed representation</span> <span class="gp">&gt;&gt;&gt; </span><span class="c1"># for the resource http://localhost:8080/file</span> <span class="gp">...</span> <span class="gp">&gt;&gt;&gt; </span><span class="kn">import</span> <span class="nn">http.client</span> <span class="gp">&gt;&gt;&gt; </span><span class="n">BODY</span> <span class="o">=</span> <span class="s2">&quot;***filecontents***&quot;</span> <span class="gp">&gt;&gt;&gt; </span><span class="n">conn</span> <span class="o">=</span> <span class="n">http</span><span class="o">.</span><span class="n">client</span><span class="o">.</span><span class="n">HTTPConnection</span><span class="p">(</span><span class="s2">&quot;localhost&quot;</span><span class="p">,</span> <span class="mi">8080</span><span class="p">)</span> <span class="gp">&gt;&gt;&gt; </span><span class="n">conn</span><span class="o">.</span><span class="n">request</span><span class="p">(</span><span class="s2">&quot;PUT&quot;</span><span class="p">,</span> <span class="s2">&quot;/file&quot;</span><span class="p">,</span> <span class="n">BODY</span><span class="p">)</span> <span class="gp">&gt;&gt;&gt; </span><span class="n">response</span> <span class="o">=</span> <span class="n">conn</span><span class="o">.</span><span class="n">getresponse</span><span class="p">()</span> <span class="gp">&gt;&gt;&gt; </span><span class="nb">print</span><span class="p">(</span><span class="n">response</span><span class="o">.</span><span class="n">status</span><span class="p">,</span> <span class="n">response</span><span class="o">.</span><span class="n">reason</span><span class="p">)</span> <span class="go">200, OK</span> </pre></div> </div> </div> <div class="section" id="httpmessage-objects"> <span id="id3"></span><h2>21.12.4. HTTPMessage Objects<a class="headerlink" href="#httpmessage-objects" title="Permalink to this headline">¶</a></h2> <p>An <code class="xref py py-class docutils literal notranslate"><span class="pre">http.client.HTTPMessage</span></code> instance holds the headers from an HTTP response. It is implemented using the <a class="reference internal" href="email.compat32-message.html#email.message.Message" title="email.message.Message"><code class="xref py py-class docutils literal notranslate"><span class="pre">email.message.Message</span></code></a> class.</p> </div> </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="#">21.12. <code class="docutils literal notranslate"><span class="pre">http.client</span></code> — HTTP protocol client</a><ul> <li><a class="reference internal" href="#httpconnection-objects">21.12.1. HTTPConnection Objects</a></li> <li><a class="reference internal" href="#httpresponse-objects">21.12.2. HTTPResponse Objects</a></li> <li><a class="reference internal" href="#examples">21.12.3. Examples</a></li> <li><a class="reference internal" href="#httpmessage-objects">21.12.4. HTTPMessage Objects</a></li> </ul> </li> </ul> <h4>Previous topic</h4> <p class="topless"><a href="http.html" title="previous chapter">21.11. <code class="docutils literal notranslate"><span class="pre">http</span></code> — HTTP modules</a></p> <h4>Next topic</h4> <p class="topless"><a href="ftplib.html" title="next chapter">21.13. <code class="docutils literal notranslate"><span class="pre">ftplib</span></code> — FTP 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/3.6/Doc/library/http.client.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="ftplib.html" title="21.13. ftplib — FTP protocol client" >next</a> |</li> <li class="right" > <a href="http.html" title="21.11. http — HTTP modules" >previous</a> |</li> <li><img src="../_static/py.png" alt="" style="vertical-align: middle; margin-top: -1px"/></li> <li><a href="https://www.python.org/">Python</a> &#187;</li> <li> <a href="../index.html">3.6.7 Documentation</a> &#187; </li> <li class="nav-item nav-item-1"><a href="index.html" >The Python Standard Library</a> &#187;</li> <li class="nav-item nav-item-2"><a href="internet.html" >21. 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