Edit File: httplib.html
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Internet Protocols and Support</a> »</li> </ul> </div> <div class="document"> <div class="documentwrapper"> <div class="bodywrapper"> <div class="body"> <div class="section" id="module-httplib"> <h1>20.7. <tt class="xref docutils literal"><span class="pre">httplib</span></tt> — HTTP protocol client<a class="headerlink" href="#module-httplib" title="Permalink to this headline">¶</a></h1> <div class="admonition note"> <p class="first admonition-title">Note</p> <p class="last">The <tt class="xref docutils literal"><span class="pre">httplib</span></tt> module has been renamed to <tt class="xref docutils literal"><span class="pre">http.client</span></tt> in Python 3.0. The <a class="reference external" href="../glossary.html#term-to3"><em class="xref">2to3</em></a> tool will automatically adapt imports when converting your sources to 3.0.</p> </div> <span class="target" id="index-379"></span><p id="index-380">This module defines classes which implement the client side of the HTTP and HTTPS protocols. It is normally not used directly — the module <a title="Open an arbitrary network resource by URL (requires sockets)." class="reference external" href="urllib.html#module-urllib"><tt class="xref docutils literal"><span class="pre">urllib</span></tt></a> uses it to handle URLs that use HTTP and HTTPS.</p> <div class="admonition note"> <p class="first admonition-title">Note</p> <p class="last">HTTPS support is only available if the <a title="Low-level networking interface." class="reference external" href="socket.html#module-socket"><tt class="xref docutils literal"><span class="pre">socket</span></tt></a> module was compiled with SSL support.</p> </div> <div class="admonition note"> <p class="first admonition-title">Note</p> <p class="last">The public interface for this module changed substantially in Python 2.0. The <tt class="xref docutils literal"><span class="pre">HTTP</span></tt> class is retained only for backward compatibility with 1.5.2. It should not be used in new code. Refer to the online docstrings for usage.</p> </div> <p>The module provides the following classes:</p> <dl class="class"> <dt id="httplib.HTTPConnection"> <em class="property">class </em><tt class="descclassname">httplib.</tt><tt class="descname">HTTPConnection</tt><big>(</big><em>host</em><span class="optional">[</span>, <em>port</em><span class="optional">[</span>, <em>strict</em><span class="optional">[</span>, <em>timeout</em><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><big>)</big><a class="headerlink" href="#httplib.HTTPConnection" title="Permalink to this definition">¶</a></dt> <dd><p>An <a title="httplib.HTTPConnection" class="reference internal" href="#httplib.HTTPConnection"><tt class="xref docutils literal"><span class="pre">HTTPConnection</span></tt></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 <tt class="docutils literal"><span class="pre">host:port</span></tt>, else the default HTTP port (80) is used. When True, the optional parameter <em>strict</em> (which defaults to a false value) causes <tt class="docutils literal"><span class="pre">BadStatusLine</span></tt> to be raised if the status line can’t be parsed as a valid HTTP/1.0 or 1.1 status line. 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).</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-python"><div class="highlight"><pre><span class="gp">>>> </span><span class="n">h1</span> <span class="o">=</span> <span class="n">httplib</span><span class="o">.</span><span class="n">HTTPConnection</span><span class="p">(</span><span class="s">'www.cwi.nl'</span><span class="p">)</span> <span class="gp">>>> </span><span class="n">h2</span> <span class="o">=</span> <span class="n">httplib</span><span class="o">.</span><span class="n">HTTPConnection</span><span class="p">(</span><span class="s">'www.cwi.nl:80'</span><span class="p">)</span> <span class="gp">>>> </span><span class="n">h3</span> <span class="o">=</span> <span class="n">httplib</span><span class="o">.</span><span class="n">HTTPConnection</span><span class="p">(</span><span class="s">'www.cwi.nl'</span><span class="p">,</span> <span class="mi">80</span><span class="p">)</span> <span class="gp">>>> </span><span class="n">h3</span> <span class="o">=</span> <span class="n">httplib</span><span class="o">.</span><span class="n">HTTPConnection</span><span class="p">(</span><span class="s">'www.cwi.nl'</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> <p class="versionadded"> <span class="versionmodified">New in version 2.0.</span></p> <p class="versionchanged"> <span class="versionmodified">Changed in version 2.6: </span><em>timeout</em> was added.</p> </dd></dl> <dl class="class"> <dt id="httplib.HTTPSConnection"> <em class="property">class </em><tt class="descclassname">httplib.</tt><tt class="descname">HTTPSConnection</tt><big>(</big><em>host</em><span class="optional">[</span>, <em>port</em><span class="optional">[</span>, <em>key_file</em><span class="optional">[</span>, <em>cert_file</em><span class="optional">[</span>, <em>strict</em><span class="optional">[</span>, <em>timeout</em><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><big>)</big><a class="headerlink" href="#httplib.HTTPSConnection" title="Permalink to this definition">¶</a></dt> <dd><p>A subclass of <a title="httplib.HTTPConnection" class="reference internal" href="#httplib.HTTPConnection"><tt class="xref docutils literal"><span class="pre">HTTPConnection</span></tt></a> that uses SSL for communication with secure servers. Default port is <tt class="docutils literal"><span class="pre">443</span></tt>. <em>key_file</em> is the name of a PEM formatted file that contains your private key. <em>cert_file</em> is a PEM formatted certificate chain file.</p> <div class="admonition note"> <p class="first admonition-title">Note</p> <p class="last">This does not do any certificate verification.</p> </div> <p class="versionadded"> <span class="versionmodified">New in version 2.0.</span></p> <p class="versionchanged"> <span class="versionmodified">Changed in version 2.6: </span><em>timeout</em> was added.</p> </dd></dl> <dl class="class"> <dt id="httplib.HTTPResponse"> <em class="property">class </em><tt class="descclassname">httplib.</tt><tt class="descname">HTTPResponse</tt><big>(</big><em>sock</em><span class="optional">[</span>, <em>debuglevel=0</em><span class="optional">]</span><span class="optional">[</span>, <em>strict=0</em><span class="optional">]</span><big>)</big><a class="headerlink" href="#httplib.HTTPResponse" title="Permalink to this definition">¶</a></dt> <dd><p>Class whose instances are returned upon successful connection. Not instantiated directly by user.</p> <p class="versionadded"> <span class="versionmodified">New in version 2.0.</span></p> </dd></dl> <dl class="class"> <dt id="httplib.HTTPMessage"> <em class="property">class </em><tt class="descclassname">httplib.</tt><tt class="descname">HTTPMessage</tt><a class="headerlink" href="#httplib.HTTPMessage" title="Permalink to this definition">¶</a></dt> <dd>An <a title="httplib.HTTPMessage" class="reference internal" href="#httplib.HTTPMessage"><tt class="xref docutils literal"><span class="pre">HTTPMessage</span></tt></a> instance is used to hold the headers from an HTTP response. It is implemented using the <a title="mimetools.Message" class="reference external" href="mimetools.html#mimetools.Message"><tt class="xref docutils literal"><span class="pre">mimetools.Message</span></tt></a> class and provides utility functions to deal with HTTP Headers. It is not directly instantiated by the users.</dd></dl> <p>The following exceptions are raised as appropriate:</p> <dl class="exception"> <dt id="httplib.HTTPException"> <em class="property">exception </em><tt class="descclassname">httplib.</tt><tt class="descname">HTTPException</tt><a class="headerlink" href="#httplib.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 title="exceptions.Exception" class="reference external" href="exceptions.html#exceptions.Exception"><tt class="xref docutils literal"><span class="pre">Exception</span></tt></a>.</p> <p class="versionadded"> <span class="versionmodified">New in version 2.0.</span></p> </dd></dl> <dl class="exception"> <dt id="httplib.NotConnected"> <em class="property">exception </em><tt class="descclassname">httplib.</tt><tt class="descname">NotConnected</tt><a class="headerlink" href="#httplib.NotConnected" title="Permalink to this definition">¶</a></dt> <dd><p>A subclass of <a title="httplib.HTTPException" class="reference internal" href="#httplib.HTTPException"><tt class="xref docutils literal"><span class="pre">HTTPException</span></tt></a>.</p> <p class="versionadded"> <span class="versionmodified">New in version 2.0.</span></p> </dd></dl> <dl class="exception"> <dt id="httplib.InvalidURL"> <em class="property">exception </em><tt class="descclassname">httplib.</tt><tt class="descname">InvalidURL</tt><a class="headerlink" href="#httplib.InvalidURL" title="Permalink to this definition">¶</a></dt> <dd><p>A subclass of <a title="httplib.HTTPException" class="reference internal" href="#httplib.HTTPException"><tt class="xref docutils literal"><span class="pre">HTTPException</span></tt></a>, raised if a port is given and is either non-numeric or empty.</p> <p class="versionadded"> <span class="versionmodified">New in version 2.3.</span></p> </dd></dl> <dl class="exception"> <dt id="httplib.UnknownProtocol"> <em class="property">exception </em><tt class="descclassname">httplib.</tt><tt class="descname">UnknownProtocol</tt><a class="headerlink" href="#httplib.UnknownProtocol" title="Permalink to this definition">¶</a></dt> <dd><p>A subclass of <a title="httplib.HTTPException" class="reference internal" href="#httplib.HTTPException"><tt class="xref docutils literal"><span class="pre">HTTPException</span></tt></a>.</p> <p class="versionadded"> <span class="versionmodified">New in version 2.0.</span></p> </dd></dl> <dl class="exception"> <dt id="httplib.UnknownTransferEncoding"> <em class="property">exception </em><tt class="descclassname">httplib.</tt><tt class="descname">UnknownTransferEncoding</tt><a class="headerlink" href="#httplib.UnknownTransferEncoding" title="Permalink to this definition">¶</a></dt> <dd><p>A subclass of <a title="httplib.HTTPException" class="reference internal" href="#httplib.HTTPException"><tt class="xref docutils literal"><span class="pre">HTTPException</span></tt></a>.</p> <p class="versionadded"> <span class="versionmodified">New in version 2.0.</span></p> </dd></dl> <dl class="exception"> <dt id="httplib.UnimplementedFileMode"> <em class="property">exception </em><tt class="descclassname">httplib.</tt><tt class="descname">UnimplementedFileMode</tt><a class="headerlink" href="#httplib.UnimplementedFileMode" title="Permalink to this definition">¶</a></dt> <dd><p>A subclass of <a title="httplib.HTTPException" class="reference internal" href="#httplib.HTTPException"><tt class="xref docutils literal"><span class="pre">HTTPException</span></tt></a>.</p> <p class="versionadded"> <span class="versionmodified">New in version 2.0.</span></p> </dd></dl> <dl class="exception"> <dt id="httplib.IncompleteRead"> <em class="property">exception </em><tt class="descclassname">httplib.</tt><tt class="descname">IncompleteRead</tt><a class="headerlink" href="#httplib.IncompleteRead" title="Permalink to this definition">¶</a></dt> <dd><p>A subclass of <a title="httplib.HTTPException" class="reference internal" href="#httplib.HTTPException"><tt class="xref docutils literal"><span class="pre">HTTPException</span></tt></a>.</p> <p class="versionadded"> <span class="versionmodified">New in version 2.0.</span></p> </dd></dl> <dl class="exception"> <dt id="httplib.ImproperConnectionState"> <em class="property">exception </em><tt class="descclassname">httplib.</tt><tt class="descname">ImproperConnectionState</tt><a class="headerlink" href="#httplib.ImproperConnectionState" title="Permalink to this definition">¶</a></dt> <dd><p>A subclass of <a title="httplib.HTTPException" class="reference internal" href="#httplib.HTTPException"><tt class="xref docutils literal"><span class="pre">HTTPException</span></tt></a>.</p> <p class="versionadded"> <span class="versionmodified">New in version 2.0.</span></p> </dd></dl> <dl class="exception"> <dt id="httplib.CannotSendRequest"> <em class="property">exception </em><tt class="descclassname">httplib.</tt><tt class="descname">CannotSendRequest</tt><a class="headerlink" href="#httplib.CannotSendRequest" title="Permalink to this definition">¶</a></dt> <dd><p>A subclass of <a title="httplib.ImproperConnectionState" class="reference internal" href="#httplib.ImproperConnectionState"><tt class="xref docutils literal"><span class="pre">ImproperConnectionState</span></tt></a>.</p> <p class="versionadded"> <span class="versionmodified">New in version 2.0.</span></p> </dd></dl> <dl class="exception"> <dt id="httplib.CannotSendHeader"> <em class="property">exception </em><tt class="descclassname">httplib.</tt><tt class="descname">CannotSendHeader</tt><a class="headerlink" href="#httplib.CannotSendHeader" title="Permalink to this definition">¶</a></dt> <dd><p>A subclass of <a title="httplib.ImproperConnectionState" class="reference internal" href="#httplib.ImproperConnectionState"><tt class="xref docutils literal"><span class="pre">ImproperConnectionState</span></tt></a>.</p> <p class="versionadded"> <span class="versionmodified">New in version 2.0.</span></p> </dd></dl> <dl class="exception"> <dt id="httplib.ResponseNotReady"> <em class="property">exception </em><tt class="descclassname">httplib.</tt><tt class="descname">ResponseNotReady</tt><a class="headerlink" href="#httplib.ResponseNotReady" title="Permalink to this definition">¶</a></dt> <dd><p>A subclass of <a title="httplib.ImproperConnectionState" class="reference internal" href="#httplib.ImproperConnectionState"><tt class="xref docutils literal"><span class="pre">ImproperConnectionState</span></tt></a>.</p> <p class="versionadded"> <span class="versionmodified">New in version 2.0.</span></p> </dd></dl> <dl class="exception"> <dt id="httplib.BadStatusLine"> <em class="property">exception </em><tt class="descclassname">httplib.</tt><tt class="descname">BadStatusLine</tt><a class="headerlink" href="#httplib.BadStatusLine" title="Permalink to this definition">¶</a></dt> <dd><p>A subclass of <a title="httplib.HTTPException" class="reference internal" href="#httplib.HTTPException"><tt class="xref docutils literal"><span class="pre">HTTPException</span></tt></a>. Raised if a server responds with a HTTP status code that we don’t understand.</p> <p class="versionadded"> <span class="versionmodified">New in version 2.0.</span></p> </dd></dl> <p>The constants defined in this module are:</p> <dl class="data"> <dt id="httplib.HTTP_PORT"> <tt class="descclassname">httplib.</tt><tt class="descname">HTTP_PORT</tt><a class="headerlink" href="#httplib.HTTP_PORT" title="Permalink to this definition">¶</a></dt> <dd>The default port for the HTTP protocol (always <tt class="docutils literal"><span class="pre">80</span></tt>).</dd></dl> <dl class="data"> <dt id="httplib.HTTPS_PORT"> <tt class="descclassname">httplib.</tt><tt class="descname">HTTPS_PORT</tt><a class="headerlink" href="#httplib.HTTPS_PORT" title="Permalink to this definition">¶</a></dt> <dd>The default port for the HTTPS protocol (always <tt class="docutils literal"><span class="pre">443</span></tt>).</dd></dl> <p>and also the following constants for integer status codes:</p> <table border="1" class="docutils"> <colgroup> <col width="34%" /> <col width="7%" /> <col width="58%" /> </colgroup> <thead valign="bottom"> <tr><th class="head">Constant</th> <th class="head">Value</th> <th class="head">Definition</th> </tr> </thead> <tbody valign="top"> <tr><td><tt class="xref docutils literal"><span class="pre">CONTINUE</span></tt></td> <td><tt class="docutils literal"><span class="pre">100</span></tt></td> <td>HTTP/1.1, <a class="reference external" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.1.1">RFC 2616, Section 10.1.1</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">SWITCHING_PROTOCOLS</span></tt></td> <td><tt class="docutils literal"><span class="pre">101</span></tt></td> <td>HTTP/1.1, <a class="reference external" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.1.2">RFC 2616, Section 10.1.2</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">PROCESSING</span></tt></td> <td><tt class="docutils literal"><span class="pre">102</span></tt></td> <td>WEBDAV, <a class="reference external" href="http://www.webdav.org/specs/rfc2518.html#STATUS_102">RFC 2518, Section 10.1</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">OK</span></tt></td> <td><tt class="docutils literal"><span class="pre">200</span></tt></td> <td>HTTP/1.1, <a class="reference external" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.2.1">RFC 2616, Section 10.2.1</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">CREATED</span></tt></td> <td><tt class="docutils literal"><span class="pre">201</span></tt></td> <td>HTTP/1.1, <a class="reference external" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.2.2">RFC 2616, Section 10.2.2</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">ACCEPTED</span></tt></td> <td><tt class="docutils literal"><span class="pre">202</span></tt></td> <td>HTTP/1.1, <a class="reference external" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.2.3">RFC 2616, Section 10.2.3</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">NON_AUTHORITATIVE_INFORMATION</span></tt></td> <td><tt class="docutils literal"><span class="pre">203</span></tt></td> <td>HTTP/1.1, <a class="reference external" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.2.4">RFC 2616, Section 10.2.4</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">NO_CONTENT</span></tt></td> <td><tt class="docutils literal"><span class="pre">204</span></tt></td> <td>HTTP/1.1, <a class="reference external" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.2.5">RFC 2616, Section 10.2.5</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">RESET_CONTENT</span></tt></td> <td><tt class="docutils literal"><span class="pre">205</span></tt></td> <td>HTTP/1.1, <a class="reference external" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.2.6">RFC 2616, Section 10.2.6</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">PARTIAL_CONTENT</span></tt></td> <td><tt class="docutils literal"><span class="pre">206</span></tt></td> <td>HTTP/1.1, <a class="reference external" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.2.7">RFC 2616, Section 10.2.7</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">MULTI_STATUS</span></tt></td> <td><tt class="docutils literal"><span class="pre">207</span></tt></td> <td>WEBDAV <a class="reference external" href="http://www.webdav.org/specs/rfc2518.html#STATUS_207">RFC 2518, Section 10.2</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">IM_USED</span></tt></td> <td><tt class="docutils literal"><span class="pre">226</span></tt></td> <td>Delta encoding in HTTP, <span class="target" id="index-381"></span><a class="reference external" href="http://tools.ietf.org/html/rfc3229.html"><strong>RFC 3229</strong></a>, Section 10.4.1</td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">MULTIPLE_CHOICES</span></tt></td> <td><tt class="docutils literal"><span class="pre">300</span></tt></td> <td>HTTP/1.1, <a class="reference external" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.1">RFC 2616, Section 10.3.1</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">MOVED_PERMANENTLY</span></tt></td> <td><tt class="docutils literal"><span class="pre">301</span></tt></td> <td>HTTP/1.1, <a class="reference external" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.2">RFC 2616, Section 10.3.2</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">FOUND</span></tt></td> <td><tt class="docutils literal"><span class="pre">302</span></tt></td> <td>HTTP/1.1, <a class="reference external" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.3">RFC 2616, Section 10.3.3</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">SEE_OTHER</span></tt></td> <td><tt class="docutils literal"><span class="pre">303</span></tt></td> <td>HTTP/1.1, <a class="reference external" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.4">RFC 2616, Section 10.3.4</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">NOT_MODIFIED</span></tt></td> <td><tt class="docutils literal"><span class="pre">304</span></tt></td> <td>HTTP/1.1, <a class="reference external" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.5">RFC 2616, Section 10.3.5</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">USE_PROXY</span></tt></td> <td><tt class="docutils literal"><span class="pre">305</span></tt></td> <td>HTTP/1.1, <a class="reference external" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.6">RFC 2616, Section 10.3.6</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">TEMPORARY_REDIRECT</span></tt></td> <td><tt class="docutils literal"><span class="pre">307</span></tt></td> <td>HTTP/1.1, <a class="reference external" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.8">RFC 2616, Section 10.3.8</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">BAD_REQUEST</span></tt></td> <td><tt class="docutils literal"><span class="pre">400</span></tt></td> <td>HTTP/1.1, <a class="reference external" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.1">RFC 2616, Section 10.4.1</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">UNAUTHORIZED</span></tt></td> <td><tt class="docutils literal"><span class="pre">401</span></tt></td> <td>HTTP/1.1, <a class="reference external" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.2">RFC 2616, Section 10.4.2</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">PAYMENT_REQUIRED</span></tt></td> <td><tt class="docutils literal"><span class="pre">402</span></tt></td> <td>HTTP/1.1, <a class="reference external" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.3">RFC 2616, Section 10.4.3</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">FORBIDDEN</span></tt></td> <td><tt class="docutils literal"><span class="pre">403</span></tt></td> <td>HTTP/1.1, <a class="reference external" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.4">RFC 2616, Section 10.4.4</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">NOT_FOUND</span></tt></td> <td><tt class="docutils literal"><span class="pre">404</span></tt></td> <td>HTTP/1.1, <a class="reference external" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.5">RFC 2616, Section 10.4.5</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">METHOD_NOT_ALLOWED</span></tt></td> <td><tt class="docutils literal"><span class="pre">405</span></tt></td> <td>HTTP/1.1, <a class="reference external" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.6">RFC 2616, Section 10.4.6</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">NOT_ACCEPTABLE</span></tt></td> <td><tt class="docutils literal"><span class="pre">406</span></tt></td> <td>HTTP/1.1, <a class="reference external" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.7">RFC 2616, Section 10.4.7</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">PROXY_AUTHENTICATION_REQUIRED</span></tt></td> <td><tt class="docutils literal"><span class="pre">407</span></tt></td> <td>HTTP/1.1, <a class="reference external" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.8">RFC 2616, Section 10.4.8</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">REQUEST_TIMEOUT</span></tt></td> <td><tt class="docutils literal"><span class="pre">408</span></tt></td> <td>HTTP/1.1, <a class="reference external" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.9">RFC 2616, Section 10.4.9</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">CONFLICT</span></tt></td> <td><tt class="docutils literal"><span class="pre">409</span></tt></td> <td>HTTP/1.1, <a class="reference external" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.10">RFC 2616, Section 10.4.10</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">GONE</span></tt></td> <td><tt class="docutils literal"><span class="pre">410</span></tt></td> <td>HTTP/1.1, <a class="reference external" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.11">RFC 2616, Section 10.4.11</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">LENGTH_REQUIRED</span></tt></td> <td><tt class="docutils literal"><span class="pre">411</span></tt></td> <td>HTTP/1.1, <a class="reference external" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.12">RFC 2616, Section 10.4.12</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">PRECONDITION_FAILED</span></tt></td> <td><tt class="docutils literal"><span class="pre">412</span></tt></td> <td>HTTP/1.1, <a class="reference external" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.13">RFC 2616, Section 10.4.13</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">REQUEST_ENTITY_TOO_LARGE</span></tt></td> <td><tt class="docutils literal"><span class="pre">413</span></tt></td> <td>HTTP/1.1, <a class="reference external" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.14">RFC 2616, Section 10.4.14</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">REQUEST_URI_TOO_LONG</span></tt></td> <td><tt class="docutils literal"><span class="pre">414</span></tt></td> <td>HTTP/1.1, <a class="reference external" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.15">RFC 2616, Section 10.4.15</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">UNSUPPORTED_MEDIA_TYPE</span></tt></td> <td><tt class="docutils literal"><span class="pre">415</span></tt></td> <td>HTTP/1.1, <a class="reference external" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.16">RFC 2616, Section 10.4.16</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">REQUESTED_RANGE_NOT_SATISFIABLE</span></tt></td> <td><tt class="docutils literal"><span class="pre">416</span></tt></td> <td>HTTP/1.1, <a class="reference external" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.17">RFC 2616, Section 10.4.17</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">EXPECTATION_FAILED</span></tt></td> <td><tt class="docutils literal"><span class="pre">417</span></tt></td> <td>HTTP/1.1, <a class="reference external" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.18">RFC 2616, Section 10.4.18</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">UNPROCESSABLE_ENTITY</span></tt></td> <td><tt class="docutils literal"><span class="pre">422</span></tt></td> <td>WEBDAV, <a class="reference external" href="http://www.webdav.org/specs/rfc2518.html#STATUS_422">RFC 2518, Section 10.3</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">LOCKED</span></tt></td> <td><tt class="docutils literal"><span class="pre">423</span></tt></td> <td>WEBDAV <a class="reference external" href="http://www.webdav.org/specs/rfc2518.html#STATUS_423">RFC 2518, Section 10.4</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">FAILED_DEPENDENCY</span></tt></td> <td><tt class="docutils literal"><span class="pre">424</span></tt></td> <td>WEBDAV, <a class="reference external" href="http://www.webdav.org/specs/rfc2518.html#STATUS_424">RFC 2518, Section 10.5</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">UPGRADE_REQUIRED</span></tt></td> <td><tt class="docutils literal"><span class="pre">426</span></tt></td> <td>HTTP Upgrade to TLS, <span class="target" id="index-382"></span><a class="reference external" href="http://tools.ietf.org/html/rfc2817.html"><strong>RFC 2817</strong></a>, Section 6</td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">INTERNAL_SERVER_ERROR</span></tt></td> <td><tt class="docutils literal"><span class="pre">500</span></tt></td> <td>HTTP/1.1, <a class="reference external" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.5.1">RFC 2616, Section 10.5.1</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">NOT_IMPLEMENTED</span></tt></td> <td><tt class="docutils literal"><span class="pre">501</span></tt></td> <td>HTTP/1.1, <a class="reference external" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.5.2">RFC 2616, Section 10.5.2</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">BAD_GATEWAY</span></tt></td> <td><tt class="docutils literal"><span class="pre">502</span></tt></td> <td>HTTP/1.1 <a class="reference external" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.5.3">RFC 2616, Section 10.5.3</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">SERVICE_UNAVAILABLE</span></tt></td> <td><tt class="docutils literal"><span class="pre">503</span></tt></td> <td>HTTP/1.1, <a class="reference external" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.5.4">RFC 2616, Section 10.5.4</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">GATEWAY_TIMEOUT</span></tt></td> <td><tt class="docutils literal"><span class="pre">504</span></tt></td> <td>HTTP/1.1 <a class="reference external" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.5.5">RFC 2616, Section 10.5.5</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">HTTP_VERSION_NOT_SUPPORTED</span></tt></td> <td><tt class="docutils literal"><span class="pre">505</span></tt></td> <td>HTTP/1.1, <a class="reference external" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.5.6">RFC 2616, Section 10.5.6</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">INSUFFICIENT_STORAGE</span></tt></td> <td><tt class="docutils literal"><span class="pre">507</span></tt></td> <td>WEBDAV, <a class="reference external" href="http://www.webdav.org/specs/rfc2518.html#STATUS_507">RFC 2518, Section 10.6</a></td> </tr> <tr><td><tt class="xref docutils literal"><span class="pre">NOT_EXTENDED</span></tt></td> <td><tt class="docutils literal"><span class="pre">510</span></tt></td> <td>An HTTP Extension Framework, <span class="target" id="index-383"></span><a class="reference external" href="http://tools.ietf.org/html/rfc2774.html"><strong>RFC 2774</strong></a>, Section 7</td> </tr> </tbody> </table> <dl class="data"> <dt id="httplib.responses"> <tt class="descclassname">httplib.</tt><tt class="descname">responses</tt><a class="headerlink" href="#httplib.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: <tt class="docutils literal"><span class="pre">httplib.responses[httplib.NOT_FOUND]</span></tt> is <tt class="docutils literal"><span class="pre">'Not</span> <span class="pre">Found'</span></tt>.</p> <p class="versionadded"> <span class="versionmodified">New in version 2.5.</span></p> </dd></dl> <div class="section" id="httpconnection-objects"> <span id="id1"></span><h2>20.7.1. HTTPConnection Objects<a class="headerlink" href="#httpconnection-objects" title="Permalink to this headline">¶</a></h2> <p><a title="httplib.HTTPConnection" class="reference internal" href="#httplib.HTTPConnection"><tt class="xref docutils literal"><span class="pre">HTTPConnection</span></tt></a> instances have the following methods:</p> <dl class="method"> <dt id="httplib.HTTPConnection.request"> <tt class="descclassname">HTTPConnection.</tt><tt class="descname">request</tt><big>(</big><em>method</em>, <em>url</em><span class="optional">[</span>, <em>body</em><span class="optional">[</span>, <em>headers</em><span class="optional">]</span><span class="optional">]</span><big>)</big><a class="headerlink" href="#httplib.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>. If the <em>body</em> argument is present, it should be a string of data to send after the headers are finished. Alternatively, it may be an open file object, in which case the contents of the file is sent; this file object should support <tt class="docutils literal"><span class="pre">fileno()</span></tt> and <tt class="docutils literal"><span class="pre">read()</span></tt> methods. The header Content-Length is automatically set to the correct value. The <em>headers</em> argument should be a mapping of extra HTTP headers to send with the request.</p> <p class="versionchanged"> <span class="versionmodified">Changed in version 2.6: </span><em>body</em> can be a file object.</p> </dd></dl> <dl class="method"> <dt id="httplib.HTTPConnection.getresponse"> <tt class="descclassname">HTTPConnection.</tt><tt class="descname">getresponse</tt><big>(</big><big>)</big><a class="headerlink" href="#httplib.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 title="httplib.HTTPResponse" class="reference internal" href="#httplib.HTTPResponse"><tt class="xref docutils literal"><span class="pre">HTTPResponse</span></tt></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> </dd></dl> <dl class="method"> <dt id="httplib.HTTPConnection.set_debuglevel"> <tt class="descclassname">HTTPConnection.</tt><tt class="descname">set_debuglevel</tt><big>(</big><em>level</em><big>)</big><a class="headerlink" href="#httplib.HTTPConnection.set_debuglevel" title="Permalink to this definition">¶</a></dt> <dd>Set the debugging level (the amount of debugging output printed). The default debug level is <tt class="docutils literal"><span class="pre">0</span></tt>, meaning no debugging output is printed.</dd></dl> <dl class="method"> <dt id="httplib.HTTPConnection.connect"> <tt class="descclassname">HTTPConnection.</tt><tt class="descname">connect</tt><big>(</big><big>)</big><a class="headerlink" href="#httplib.HTTPConnection.connect" title="Permalink to this definition">¶</a></dt> <dd>Connect to the server specified when the object was created.</dd></dl> <dl class="method"> <dt id="httplib.HTTPConnection.close"> <tt class="descclassname">HTTPConnection.</tt><tt class="descname">close</tt><big>(</big><big>)</big><a class="headerlink" href="#httplib.HTTPConnection.close" title="Permalink to this definition">¶</a></dt> <dd>Close the connection to the server.</dd></dl> <p>As an alternative to using the <tt class="xref docutils literal"><span class="pre">request()</span></tt> method described above, you can also send your request step by step, by using the four functions below.</p> <dl class="method"> <dt id="httplib.HTTPConnection.putrequest"> <tt class="descclassname">HTTPConnection.</tt><tt class="descname">putrequest</tt><big>(</big><em>request</em>, <em>selector</em><span class="optional">[</span>, <em>skip_host</em><span class="optional">[</span>, <em>skip_accept_encoding</em><span class="optional">]</span><span class="optional">]</span><big>)</big><a class="headerlink" href="#httplib.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>request</em> string, the <em>selector</em> string, and the HTTP version (<tt class="docutils literal"><span class="pre">HTTP/1.1</span></tt>). To disable automatic sending of <tt class="docutils literal"><span class="pre">Host:</span></tt> or <tt class="docutils literal"><span class="pre">Accept-Encoding:</span></tt> headers (for example to accept additional content encodings), specify <em>skip_host</em> or <em>skip_accept_encoding</em> with non-False values.</p> <p class="versionchanged"> <span class="versionmodified">Changed in version 2.4: </span><em>skip_accept_encoding</em> argument added.</p> </dd></dl> <dl class="method"> <dt id="httplib.HTTPConnection.putheader"> <tt class="descclassname">HTTPConnection.</tt><tt class="descname">putheader</tt><big>(</big><em>header</em>, <em>argument</em><span class="optional">[</span>, <em>...</em><span class="optional">]</span><big>)</big><a class="headerlink" href="#httplib.HTTPConnection.putheader" title="Permalink to this definition">¶</a></dt> <dd>Send an <span class="target" id="index-384"></span><a class="reference external" href="http://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.</dd></dl> <dl class="method"> <dt id="httplib.HTTPConnection.endheaders"> <tt class="descclassname">HTTPConnection.</tt><tt class="descname">endheaders</tt><big>(</big><big>)</big><a class="headerlink" href="#httplib.HTTPConnection.endheaders" title="Permalink to this definition">¶</a></dt> <dd>Send a blank line to the server, signalling the end of the headers.</dd></dl> <dl class="method"> <dt id="httplib.HTTPConnection.send"> <tt class="descclassname">HTTPConnection.</tt><tt class="descname">send</tt><big>(</big><em>data</em><big>)</big><a class="headerlink" href="#httplib.HTTPConnection.send" title="Permalink to this definition">¶</a></dt> <dd>Send data to the server. This should be used directly only after the <a title="httplib.HTTPConnection.endheaders" class="reference internal" href="#httplib.HTTPConnection.endheaders"><tt class="xref docutils literal"><span class="pre">endheaders()</span></tt></a> method has been called and before <a title="httplib.HTTPConnection.getresponse" class="reference internal" href="#httplib.HTTPConnection.getresponse"><tt class="xref docutils literal"><span class="pre">getresponse()</span></tt></a> is called.</dd></dl> </div> <div class="section" id="httpresponse-objects"> <span id="id2"></span><h2>20.7.2. HTTPResponse Objects<a class="headerlink" href="#httpresponse-objects" title="Permalink to this headline">¶</a></h2> <p><a title="httplib.HTTPResponse" class="reference internal" href="#httplib.HTTPResponse"><tt class="xref docutils literal"><span class="pre">HTTPResponse</span></tt></a> instances have the following methods and attributes:</p> <dl class="method"> <dt id="httplib.HTTPResponse.read"> <tt class="descclassname">HTTPResponse.</tt><tt class="descname">read</tt><big>(</big><span class="optional">[</span><em>amt</em><span class="optional">]</span><big>)</big><a class="headerlink" href="#httplib.HTTPResponse.read" title="Permalink to this definition">¶</a></dt> <dd>Reads and returns the response body, or up to the next <em>amt</em> bytes.</dd></dl> <dl class="method"> <dt id="httplib.HTTPResponse.getheader"> <tt class="descclassname">HTTPResponse.</tt><tt class="descname">getheader</tt><big>(</big><em>name</em><span class="optional">[</span>, <em>default</em><span class="optional">]</span><big>)</big><a class="headerlink" href="#httplib.HTTPResponse.getheader" title="Permalink to this definition">¶</a></dt> <dd>Get the contents of the header <em>name</em>, or <em>default</em> if there is no matching header.</dd></dl> <dl class="method"> <dt id="httplib.HTTPResponse.getheaders"> <tt class="descclassname">HTTPResponse.</tt><tt class="descname">getheaders</tt><big>(</big><big>)</big><a class="headerlink" href="#httplib.HTTPResponse.getheaders" title="Permalink to this definition">¶</a></dt> <dd><p>Return a list of (header, value) tuples.</p> <p class="versionadded"> <span class="versionmodified">New in version 2.4.</span></p> </dd></dl> <dl class="attribute"> <dt id="httplib.HTTPResponse.msg"> <tt class="descclassname">HTTPResponse.</tt><tt class="descname">msg</tt><a class="headerlink" href="#httplib.HTTPResponse.msg" title="Permalink to this definition">¶</a></dt> <dd>A <a title="mimetools.Message" class="reference external" href="mimetools.html#mimetools.Message"><tt class="xref docutils literal"><span class="pre">mimetools.Message</span></tt></a> instance containing the response headers.</dd></dl> <dl class="attribute"> <dt id="httplib.HTTPResponse.version"> <tt class="descclassname">HTTPResponse.</tt><tt class="descname">version</tt><a class="headerlink" href="#httplib.HTTPResponse.version" title="Permalink to this definition">¶</a></dt> <dd>HTTP protocol version used by server. 10 for HTTP/1.0, 11 for HTTP/1.1.</dd></dl> <dl class="attribute"> <dt id="httplib.HTTPResponse.status"> <tt class="descclassname">HTTPResponse.</tt><tt class="descname">status</tt><a class="headerlink" href="#httplib.HTTPResponse.status" title="Permalink to this definition">¶</a></dt> <dd>Status code returned by server.</dd></dl> <dl class="attribute"> <dt id="httplib.HTTPResponse.reason"> <tt class="descclassname">HTTPResponse.</tt><tt class="descname">reason</tt><a class="headerlink" href="#httplib.HTTPResponse.reason" title="Permalink to this definition">¶</a></dt> <dd>Reason phrase returned by server.</dd></dl> </div> <div class="section" id="examples"> <span id="httplib-examples"></span><h2>20.7.3. Examples<a class="headerlink" href="#examples" title="Permalink to this headline">¶</a></h2> <p>Here is an example session that uses the <tt class="docutils literal"><span class="pre">GET</span></tt> method:</p> <div class="highlight-python"><div class="highlight"><pre><span class="gp">>>> </span><span class="kn">import</span> <span class="nn">httplib</span> <span class="gp">>>> </span><span class="n">conn</span> <span class="o">=</span> <span class="n">httplib</span><span class="o">.</span><span class="n">HTTPConnection</span><span class="p">(</span><span class="s">"www.python.org"</span><span class="p">)</span> <span class="gp">>>> </span><span class="n">conn</span><span class="o">.</span><span class="n">request</span><span class="p">(</span><span class="s">"GET"</span><span class="p">,</span> <span class="s">"/index.html"</span><span class="p">)</span> <span class="gp">>>> </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">>>> </span><span class="k">print</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="go">200 OK</span> <span class="gp">>>> </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="gp">>>> </span><span class="n">conn</span><span class="o">.</span><span class="n">request</span><span class="p">(</span><span class="s">"GET"</span><span class="p">,</span> <span class="s">"/parrot.spam"</span><span class="p">)</span> <span class="gp">>>> </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">>>> </span><span class="k">print</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="go">404 Not Found</span> <span class="gp">>>> </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">>>> </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 <tt class="docutils literal"><span class="pre">HEAD</span></tt> method. Note that <tt class="docutils literal"><span class="pre">HEAD</span></tt> method never returns any data.</p> <div class="highlight-python"><div class="highlight"><pre><span class="gp">>>> </span><span class="kn">import</span> <span class="nn">httplib</span> <span class="gp">>>> </span><span class="n">conn</span> <span class="o">=</span> <span class="n">httplib</span><span class="o">.</span><span class="n">HTTPConnection</span><span class="p">(</span><span class="s">"www.python.org"</span><span class="p">)</span> <span class="gp">>>> </span><span class="n">conn</span><span class="o">.</span><span class="n">request</span><span class="p">(</span><span class="s">"HEAD"</span><span class="p">,</span><span class="s">"/index.html"</span><span class="p">)</span> <span class="gp">>>> </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">>>> </span><span class="k">print</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="go">200 OK</span> <span class="gp">>>> </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">>>> </span><span class="k">print</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">>>> </span><span class="n">data</span> <span class="o">==</span> <span class="s">''</span> <span class="go">True</span> </pre></div> </div> <p>Here is an example session that shows how to <tt class="docutils literal"><span class="pre">POST</span></tt> requests:</p> <div class="highlight-python"><div class="highlight"><pre><span class="gp">>>> </span><span class="kn">import</span> <span class="nn">httplib</span><span class="o">,</span> <span class="nn">urllib</span> <span class="gp">>>> </span><span class="n">params</span> <span class="o">=</span> <span class="n">urllib</span><span class="o">.</span><span class="n">urlencode</span><span class="p">({</span><span class="s">'spam'</span><span class="p">:</span> <span class="mi">1</span><span class="p">,</span> <span class="s">'eggs'</span><span class="p">:</span> <span class="mi">2</span><span class="p">,</span> <span class="s">'bacon'</span><span class="p">:</span> <span class="mi">0</span><span class="p">})</span> <span class="gp">>>> </span><span class="n">headers</span> <span class="o">=</span> <span class="p">{</span><span class="s">"Content-type"</span><span class="p">:</span> <span class="s">"application/x-www-form-urlencoded"</span><span class="p">,</span> <span class="gp">... </span> <span class="s">"Accept"</span><span class="p">:</span> <span class="s">"text/plain"</span><span class="p">}</span> <span class="gp">>>> </span><span class="n">conn</span> <span class="o">=</span> <span class="n">httplib</span><span class="o">.</span><span class="n">HTTPConnection</span><span class="p">(</span><span class="s">"musi-cal.mojam.com:80"</span><span class="p">)</span> <span class="gp">>>> </span><span class="n">conn</span><span class="o">.</span><span class="n">request</span><span class="p">(</span><span class="s">"POST"</span><span class="p">,</span> <span class="s">"/cgi-bin/query"</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">>>> </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">>>> </span><span class="k">print</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="go">200 OK</span> <span class="gp">>>> </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">>>> </span><span class="n">conn</span><span class="o">.</span><span class="n">close</span><span class="p">()</span> </pre></div> </div> </div> </div> </div> </div> </div> <div class="sphinxsidebar"> <div class="sphinxsidebarwrapper"> <h3><a href="../contents.html">Table Of Contents</a></h3> <ul> <li><a class="reference external" href="#">20.7. <tt class="docutils literal"><span class="pre">httplib</span></tt> — HTTP protocol client</a><ul> <li><a class="reference external" href="#httpconnection-objects">20.7.1. HTTPConnection Objects</a></li> <li><a class="reference external" href="#httpresponse-objects">20.7.2. HTTPResponse Objects</a></li> <li><a class="reference external" href="#examples">20.7.3. Examples</a></li> </ul> </li> </ul> <h4>Previous topic</h4> <p class="topless"><a href="urllib2.html" title="previous chapter">20.6. <tt class="docutils literal"><span class="pre">urllib2</span></tt> — extensible library for opening URLs</a></p> <h4>Next topic</h4> <p class="topless"><a href="ftplib.html" title="next chapter">20.8. <tt class="docutils literal docutils literal"><span class="pre">ftplib</span></tt> — FTP protocol client</a></p> <h3>This Page</h3> <ul class="this-page-menu"> <li><a href="../bugs.html">Report a Bug</a></li> <li><a href="../_sources/library/httplib.txt" rel="nofollow">Show Source</a></li> </ul> <div id="searchbox" style="display: none"> <h3>Quick search</h3> <form class="search" action="../search.html" method="get"> <input type="text" name="q" size="18" /> <input type="submit" value="Go" /> <input type="hidden" name="check_keywords" value="yes" /> <input type="hidden" name="area" value="default" /> </form> <p class="searchtip" style="font-size: 90%"> Enter search terms or a module, class or function name. </p> </div> <script type="text/javascript">$('#searchbox').show(0);</script> </div> </div> <div class="clearer"></div> </div> <div class="related"> <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="../modindex.html" title="Global Module Index" >modules</a> |</li> <li class="right" > <a href="ftplib.html" title="20.8. ftplib — FTP protocol client" >next</a> |</li> <li class="right" > <a href="urllib2.html" title="20.6. urllib2 — extensible library for opening URLs" >previous</a> |</li> <li><img src="../_static/py.png" alt="" style="vertical-align: middle; margin-top: -1px"/></li> <li><a href="../index.html">Python v2.6.6 documentation</a> »</li> <li><a href="index.html" >The Python Standard Library</a> »</li> <li><a href="internet.html" >20. 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