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55<H1><A NAME="SECTION0013600000000000000000">
5611.6 <tt class="module">httplib</tt> --
57 HTTP protocol client</A>
58</H1>
59
60<P>
61<A NAME="module-httplib"></A>
62
63<P>
64<a id='l2h-3296' xml:id='l2h-3296'></a><a id='l2h-3314' xml:id='l2h-3314'></a>
65
66<P>
67This module defines classes which implement the client side of the
68HTTP and HTTPS protocols. It is normally not used directly -- the
69module <tt class="module"><a href="module-urllib.html">urllib</a></tt><a id='l2h-3315' xml:id='l2h-3315'></a> uses it to handle URLs
70that use HTTP and HTTPS.
71
72<P>
73<div class="note"><b class="label">Note:</b>
74HTTPS support is only available if the <tt class="module"><a href="module-socket.html">socket</a></tt> module was
75 compiled with SSL support.
76</div>
77
78<P>
79<div class="note"><b class="label">Note:</b>
80The public interface for this module changed substantially in Python
81 2.0. The <tt class="class">HTTP</tt> class is retained only for backward
82 compatibility with 1.5.2. It should not be used in new code. Refer
83 to the online docstrings for usage.
84</div>
85
86<P>
87The module provides the following classes:
88
89<P>
90<dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline">
91 <td><nobr><b><span class="typelabel">class</span>&nbsp;<tt id='l2h-3297' xml:id='l2h-3297' class="class">HTTPConnection</tt></b>(</nobr></td>
92 <td><var>host</var><big>[</big><var>, port</var><big>]</big><var></var>)</td></tr></table></dt>
93<dd>
94An <tt class="class">HTTPConnection</tt> instance represents one transaction with an HTTP
95server. It should be instantiated passing it a host and optional port number.
96If no port number is passed, the port is extracted from the host string if it
97has the form <code><var>host</var>:<var>port</var></code>, else the default HTTP port (80) is
98used. For example, the following calls all create instances that connect to
99the server at the same host and port:
100
101<P>
102<div class="verbatim"><pre>
103&gt;&gt;&gt; h1 = httplib.HTTPConnection('www.cwi.nl')
104&gt;&gt;&gt; h2 = httplib.HTTPConnection('www.cwi.nl:80')
105&gt;&gt;&gt; h3 = httplib.HTTPConnection('www.cwi.nl', 80)
106</pre></div>
107
108<span class="versionnote">New in version 2.0.</span>
109
110</dl>
111
112<P>
113<dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline">
114 <td><nobr><b><span class="typelabel">class</span>&nbsp;<tt id='l2h-3298' xml:id='l2h-3298' class="class">HTTPSConnection</tt></b>(</nobr></td>
115 <td><var>host</var><big>[</big><var>, port, key_file, cert_file</var><big>]</big><var></var>)</td></tr></table></dt>
116<dd>
117A subclass of <tt class="class">HTTPConnection</tt> that uses SSL for communication with
118secure servers. Default port is <code>443</code>.
119<var>key_file</var> is
120the name of a PEM formatted file that contains your private
121key. <var>cert_file</var> is a PEM formatted certificate chain file.
122
123<P>
124<span class="warning"><b class="label">Warning:</b>
125This does not do any certificate verification!</span>
126
127<P>
128
129<span class="versionnote">New in version 2.0.</span>
130
131</dl>
132
133<P>
134<dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline">
135 <td><nobr><b><span class="typelabel">class</span>&nbsp;<tt id='l2h-3299' xml:id='l2h-3299' class="class">HTTPResponse</tt></b>(</nobr></td>
136 <td><var>sock</var><big>[</big><var>, debuglevel=0</var><big>]</big><var></var><big>[</big><var>, strict=0</var><big>]</big><var></var>)</td></tr></table></dt>
137<dd>
138Class whose instances are returned upon successful connection. Not
139instantiated directly by user.
140
141<span class="versionnote">New in version 2.0.</span>
142
143</dl>
144
145<P>
146The following exceptions are raised as appropriate:
147
148<P>
149<dl><dt><b><span class="typelabel">exception</span>&nbsp;<tt id='l2h-3300' xml:id='l2h-3300' class="exception">HTTPException</tt></b></dt>
150<dd>
151The base class of the other exceptions in this module. It is a
152subclass of <tt class="exception">Exception</tt>.
153
154<span class="versionnote">New in version 2.0.</span>
155
156</dd></dl>
157
158<P>
159<dl><dt><b><span class="typelabel">exception</span>&nbsp;<tt id='l2h-3301' xml:id='l2h-3301' class="exception">NotConnected</tt></b></dt>
160<dd>
161A subclass of <tt class="exception">HTTPException</tt>.
162
163<span class="versionnote">New in version 2.0.</span>
164
165</dd></dl>
166
167<P>
168<dl><dt><b><span class="typelabel">exception</span>&nbsp;<tt id='l2h-3302' xml:id='l2h-3302' class="exception">InvalidURL</tt></b></dt>
169<dd>
170A subclass of <tt class="exception">HTTPException</tt>, raised if a port is given and is
171either non-numeric or empty.
172
173<span class="versionnote">New in version 2.3.</span>
174
175</dd></dl>
176
177<P>
178<dl><dt><b><span class="typelabel">exception</span>&nbsp;<tt id='l2h-3303' xml:id='l2h-3303' class="exception">UnknownProtocol</tt></b></dt>
179<dd>
180A subclass of <tt class="exception">HTTPException</tt>.
181
182<span class="versionnote">New in version 2.0.</span>
183
184</dd></dl>
185
186<P>
187<dl><dt><b><span class="typelabel">exception</span>&nbsp;<tt id='l2h-3304' xml:id='l2h-3304' class="exception">UnknownTransferEncoding</tt></b></dt>
188<dd>
189A subclass of <tt class="exception">HTTPException</tt>.
190
191<span class="versionnote">New in version 2.0.</span>
192
193</dd></dl>
194
195<P>
196<dl><dt><b><span class="typelabel">exception</span>&nbsp;<tt id='l2h-3305' xml:id='l2h-3305' class="exception">UnimplementedFileMode</tt></b></dt>
197<dd>
198A subclass of <tt class="exception">HTTPException</tt>.
199
200<span class="versionnote">New in version 2.0.</span>
201
202</dd></dl>
203
204<P>
205<dl><dt><b><span class="typelabel">exception</span>&nbsp;<tt id='l2h-3306' xml:id='l2h-3306' class="exception">IncompleteRead</tt></b></dt>
206<dd>
207A subclass of <tt class="exception">HTTPException</tt>.
208
209<span class="versionnote">New in version 2.0.</span>
210
211</dd></dl>
212
213<P>
214<dl><dt><b><span class="typelabel">exception</span>&nbsp;<tt id='l2h-3307' xml:id='l2h-3307' class="exception">ImproperConnectionState</tt></b></dt>
215<dd>
216A subclass of <tt class="exception">HTTPException</tt>.
217
218<span class="versionnote">New in version 2.0.</span>
219
220</dd></dl>
221
222<P>
223<dl><dt><b><span class="typelabel">exception</span>&nbsp;<tt id='l2h-3308' xml:id='l2h-3308' class="exception">CannotSendRequest</tt></b></dt>
224<dd>
225A subclass of <tt class="exception">ImproperConnectionState</tt>.
226
227<span class="versionnote">New in version 2.0.</span>
228
229</dd></dl>
230
231<P>
232<dl><dt><b><span class="typelabel">exception</span>&nbsp;<tt id='l2h-3309' xml:id='l2h-3309' class="exception">CannotSendHeader</tt></b></dt>
233<dd>
234A subclass of <tt class="exception">ImproperConnectionState</tt>.
235
236<span class="versionnote">New in version 2.0.</span>
237
238</dd></dl>
239
240<P>
241<dl><dt><b><span class="typelabel">exception</span>&nbsp;<tt id='l2h-3310' xml:id='l2h-3310' class="exception">ResponseNotReady</tt></b></dt>
242<dd>
243A subclass of <tt class="exception">ImproperConnectionState</tt>.
244
245<span class="versionnote">New in version 2.0.</span>
246
247</dd></dl>
248
249<P>
250<dl><dt><b><span class="typelabel">exception</span>&nbsp;<tt id='l2h-3311' xml:id='l2h-3311' class="exception">BadStatusLine</tt></b></dt>
251<dd>
252A subclass of <tt class="exception">HTTPException</tt>. Raised if a server responds with a
253HTTP status code that we don't understand.
254
255<span class="versionnote">New in version 2.0.</span>
256
257</dd></dl>
258
259<P>
260The constants defined in this module are:
261
262<P>
263<dl><dt><b><tt id='l2h-3312' xml:id='l2h-3312'>HTTP_PORT</tt></b></dt>
264<dd>
265 The default port for the HTTP protocol (always <code>80</code>).
266</dd></dl>
267
268<P>
269<dl><dt><b><tt id='l2h-3313' xml:id='l2h-3313'>HTTPS_PORT</tt></b></dt>
270<dd>
271 The default port for the HTTPS protocol (always <code>443</code>).
272</dd></dl>
273
274<P>
275and also the following constants for integer status codes:
276
277<P>
278<div class="center"><table class="realtable">
279 <thead>
280 <tr>
281 <th class="left" >Constant</th>
282 <th class="center">Value</th>
283 <th class="left" >Definition</th>
284 </tr>
285 </thead>
286 <tbody>
287 <tr><td class="left" valign="baseline"><tt class="constant">CONTINUE</tt></td>
288 <td class="center"><code>100</code></td>
289 <td class="left" >HTTP/1.1, <a class="ulink" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.1.1"
290 >RFC 2616, Section 10.1.1</a></td></tr>
291 <tr><td class="left" valign="baseline"><tt class="constant">SWITCHING_PROTOCOLS</tt></td>
292 <td class="center"><code>101</code></td>
293 <td class="left" >HTTP/1.1, <a class="ulink" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.1.2"
294 >RFC 2616, Section 10.1.2</a></td></tr>
295 <tr><td class="left" valign="baseline"><tt class="constant">PROCESSING</tt></td>
296 <td class="center"><code>102</code></td>
297 <td class="left" >WEBDAV, <a class="ulink" href="http://www.webdav.org/specs/rfc2518.html#STATUS_102"
298 >RFC 2518, Section 10.1</a></td></tr><P>
299
300 <tr><td class="left" valign="baseline"><tt class="constant">OK</tt></td>
301 <td class="center"><code>200</code></td>
302 <td class="left" >HTTP/1.1, <a class="ulink" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.2.1"
303 >RFC 2616, Section 10.2.1</a></td></tr>
304 <tr><td class="left" valign="baseline"><tt class="constant">CREATED</tt></td>
305 <td class="center"><code>201</code></td>
306 <td class="left" >HTTP/1.1, <a class="ulink" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.2.2"
307 >RFC 2616, Section 10.2.2</a></td></tr>
308 <tr><td class="left" valign="baseline"><tt class="constant">ACCEPTED</tt></td>
309 <td class="center"><code>202</code></td>
310 <td class="left" >HTTP/1.1, <a class="ulink" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.2.3"
311 >RFC 2616, Section 10.2.3</a></td></tr>
312 <tr><td class="left" valign="baseline"><tt class="constant">NON_AUTHORITATIVE_INFORMATION</tt></td>
313 <td class="center"><code>203</code></td>
314 <td class="left" >HTTP/1.1, <a class="ulink" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.2.4"
315 >RFC 2616, Section 10.2.4</a></td></tr>
316 <tr><td class="left" valign="baseline"><tt class="constant">NO_CONTENT</tt></td>
317 <td class="center"><code>204</code></td>
318 <td class="left" >HTTP/1.1, <a class="ulink" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.2.5"
319 >RFC 2616, Section 10.2.5</a></td></tr>
320 <tr><td class="left" valign="baseline"><tt class="constant">RESET_CONTENT</tt></td>
321 <td class="center"><code>205</code></td>
322 <td class="left" >HTTP/1.1, <a class="ulink" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.2.6"
323 >RFC 2616, Section 10.2.6</a></td></tr>
324 <tr><td class="left" valign="baseline"><tt class="constant">PARTIAL_CONTENT</tt></td>
325 <td class="center"><code>206</code></td>
326 <td class="left" >HTTP/1.1, <a class="ulink" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.2.7"
327 >RFC 2616, Section 10.2.7</a></td></tr>
328 <tr><td class="left" valign="baseline"><tt class="constant">MULTI_STATUS</tt></td>
329 <td class="center"><code>207</code></td>
330 <td class="left" >WEBDAV <a class="ulink" href="http://www.webdav.org/specs/rfc2518.html#STATUS_207"
331 >RFC 2518, Section 10.2</a></td></tr>
332 <tr><td class="left" valign="baseline"><tt class="constant">IM_USED</tt></td>
333 <td class="center"><code>226</code></td>
334 <td class="left" >Delta encoding in HTTP, <a class="rfc" id='rfcref-90088' xml:id='rfcref-90088'
335href="http://www.faqs.org/rfcs/rfc3229.html">RFC 3229</a>, Section 10.4.1</td></tr><P>
336
337 <tr><td class="left" valign="baseline"><tt class="constant">MULTIPLE_CHOICES</tt></td>
338 <td class="center"><code>300</code></td>
339 <td class="left" >HTTP/1.1, <a class="ulink" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.1"
340 >RFC 2616, Section 10.3.1</a></td></tr>
341 <tr><td class="left" valign="baseline"><tt class="constant">MOVED_PERMANENTLY</tt></td>
342 <td class="center"><code>301</code></td>
343 <td class="left" >HTTP/1.1, <a class="ulink" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.2"
344 >RFC 2616, Section 10.3.2</a></td></tr>
345 <tr><td class="left" valign="baseline"><tt class="constant">FOUND</tt></td>
346 <td class="center"><code>302</code></td>
347 <td class="left" >HTTP/1.1, <a class="ulink" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.3"
348 >RFC 2616, Section 10.3.3</a></td></tr>
349 <tr><td class="left" valign="baseline"><tt class="constant">SEE_OTHER</tt></td>
350 <td class="center"><code>303</code></td>
351 <td class="left" >HTTP/1.1, <a class="ulink" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.4"
352 >RFC 2616, Section 10.3.4</a></td></tr>
353 <tr><td class="left" valign="baseline"><tt class="constant">NOT_MODIFIED</tt></td>
354 <td class="center"><code>304</code></td>
355 <td class="left" >HTTP/1.1, <a class="ulink" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.5"
356 >RFC 2616, Section 10.3.5</a></td></tr>
357 <tr><td class="left" valign="baseline"><tt class="constant">USE_PROXY</tt></td>
358 <td class="center"><code>305</code></td>
359 <td class="left" >HTTP/1.1, <a class="ulink" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.6"
360 >RFC 2616, Section 10.3.6</a></td></tr>
361 <tr><td class="left" valign="baseline"><tt class="constant">TEMPORARY_REDIRECT</tt></td>
362 <td class="center"><code>307</code></td>
363 <td class="left" >HTTP/1.1, <a class="ulink" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.8"
364 >RFC 2616, Section 10.3.8</a></td></tr><P>
365
366 <tr><td class="left" valign="baseline"><tt class="constant">BAD_REQUEST</tt></td>
367 <td class="center"><code>400</code></td>
368 <td class="left" >HTTP/1.1, <a class="ulink" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.1"
369 >RFC 2616, Section 10.4.1</a></td></tr>
370 <tr><td class="left" valign="baseline"><tt class="constant">UNAUTHORIZED</tt></td>
371 <td class="center"><code>401</code></td>
372 <td class="left" >HTTP/1.1, <a class="ulink" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.2"
373 >RFC 2616, Section 10.4.2</a></td></tr>
374 <tr><td class="left" valign="baseline"><tt class="constant">PAYMENT_REQUIRED</tt></td>
375 <td class="center"><code>402</code></td>
376 <td class="left" >HTTP/1.1, <a class="ulink" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.3"
377 >RFC 2616, Section 10.4.3</a></td></tr>
378 <tr><td class="left" valign="baseline"><tt class="constant">FORBIDDEN</tt></td>
379 <td class="center"><code>403</code></td>
380 <td class="left" >HTTP/1.1, <a class="ulink" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.4"
381 >RFC 2616, Section 10.4.4</a></td></tr>
382 <tr><td class="left" valign="baseline"><tt class="constant">NOT_FOUND</tt></td>
383 <td class="center"><code>404</code></td>
384 <td class="left" >HTTP/1.1, <a class="ulink" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.5"
385 >RFC 2616, Section 10.4.5</a></td></tr>
386 <tr><td class="left" valign="baseline"><tt class="constant">METHOD_NOT_ALLOWED</tt></td>
387 <td class="center"><code>405</code></td>
388 <td class="left" >HTTP/1.1, <a class="ulink" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.6"
389 >RFC 2616, Section 10.4.6</a></td></tr>
390 <tr><td class="left" valign="baseline"><tt class="constant">NOT_ACCEPTABLE</tt></td>
391 <td class="center"><code>406</code></td>
392 <td class="left" >HTTP/1.1, <a class="ulink" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.7"
393 >RFC 2616, Section 10.4.7</a></td></tr>
394 <tr><td class="left" valign="baseline"><tt class="constant">PROXY_AUTHENTICATION_REQUIRED</tt></td>
395 <td class="center"><code>407</code></td>
396 <td class="left" >HTTP/1.1, <a class="ulink" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.8"
397 >RFC 2616, Section 10.4.8</a></td></tr>
398 <tr><td class="left" valign="baseline"><tt class="constant">REQUEST_TIMEOUT</tt></td>
399 <td class="center"><code>408</code></td>
400 <td class="left" >HTTP/1.1, <a class="ulink" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.9"
401 >RFC 2616, Section 10.4.9</a></td></tr>
402 <tr><td class="left" valign="baseline"><tt class="constant">CONFLICT</tt></td>
403 <td class="center"><code>409</code></td>
404 <td class="left" >HTTP/1.1, <a class="ulink" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.10"
405 >RFC 2616, Section 10.4.10</a></td></tr>
406 <tr><td class="left" valign="baseline"><tt class="constant">GONE</tt></td>
407 <td class="center"><code>410</code></td>
408 <td class="left" >HTTP/1.1, <a class="ulink" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.11"
409 >RFC 2616, Section 10.4.11</a></td></tr>
410 <tr><td class="left" valign="baseline"><tt class="constant">LENGTH_REQUIRED</tt></td>
411 <td class="center"><code>411</code></td>
412 <td class="left" >HTTP/1.1, <a class="ulink" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.12"
413 >RFC 2616, Section 10.4.12</a></td></tr>
414 <tr><td class="left" valign="baseline"><tt class="constant">PRECONDITION_FAILED</tt></td>
415 <td class="center"><code>412</code></td>
416 <td class="left" >HTTP/1.1, <a class="ulink" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.13"
417 >RFC 2616, Section 10.4.13</a></td></tr>
418 <tr><td class="left" valign="baseline"><tt class="constant">REQUEST_ENTITY_TOO_LARGE</tt></td>
419 <td class="center"><code>413</code></td>
420 <td class="left" >HTTP/1.1, <a class="ulink" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.14"
421 >RFC 2616, Section 10.4.14</a></td></tr>
422 <tr><td class="left" valign="baseline"><tt class="constant">REQUEST_URI_TOO_LONG</tt></td>
423 <td class="center"><code>414</code></td>
424 <td class="left" >HTTP/1.1, <a class="ulink" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.15"
425 >RFC 2616, Section 10.4.15</a></td></tr>
426 <tr><td class="left" valign="baseline"><tt class="constant">UNSUPPORTED_MEDIA_TYPE</tt></td>
427 <td class="center"><code>415</code></td>
428 <td class="left" >HTTP/1.1, <a class="ulink" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.16"
429 >RFC 2616, Section 10.4.16</a></td></tr>
430 <tr><td class="left" valign="baseline"><tt class="constant">REQUESTED_RANGE_NOT_SATISFIABLE</tt></td>
431 <td class="center"><code>416</code></td>
432 <td class="left" >HTTP/1.1, <a class="ulink" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.17"
433 >RFC 2616, Section 10.4.17</a></td></tr>
434 <tr><td class="left" valign="baseline"><tt class="constant">EXPECTATION_FAILED</tt></td>
435 <td class="center"><code>417</code></td>
436 <td class="left" >HTTP/1.1, <a class="ulink" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.18"
437 >RFC 2616, Section 10.4.18</a></td></tr>
438 <tr><td class="left" valign="baseline"><tt class="constant">UNPROCESSABLE_ENTITY</tt></td>
439 <td class="center"><code>422</code></td>
440 <td class="left" >WEBDAV, <a class="ulink" href="http://www.webdav.org/specs/rfc2518.html#STATUS_422"
441 >RFC 2518, Section 10.3</a></td></tr>
442 <tr><td class="left" valign="baseline"><tt class="constant">LOCKED</tt></td>
443 <td class="center"><code>423</code></td>
444 <td class="left" >WEBDAV <a class="ulink" href="http://www.webdav.org/specs/rfc2518.html#STATUS_423"
445 >RFC 2518, Section 10.4</a></td></tr>
446 <tr><td class="left" valign="baseline"><tt class="constant">FAILED_DEPENDENCY</tt></td>
447 <td class="center"><code>424</code></td>
448 <td class="left" >WEBDAV, <a class="ulink" href="http://www.webdav.org/specs/rfc2518.html#STATUS_424"
449 >RFC 2518, Section 10.5</a></td></tr>
450 <tr><td class="left" valign="baseline"><tt class="constant">UPGRADE_REQUIRED</tt></td>
451 <td class="center"><code>426</code></td>
452 <td class="left" >HTTP Upgrade to TLS, <a class="rfc" id='rfcref-90090' xml:id='rfcref-90090'
453href="http://www.faqs.org/rfcs/rfc2817.html">RFC 2817</a>, Section 6</td></tr><P>
454
455 <tr><td class="left" valign="baseline"><tt class="constant">INTERNAL_SERVER_ERROR</tt></td>
456 <td class="center"><code>500</code></td>
457 <td class="left" >HTTP/1.1, <a class="ulink" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.5.1"
458 >RFC 2616, Section 10.5.1</a></td></tr>
459 <tr><td class="left" valign="baseline"><tt class="constant">NOT_IMPLEMENTED</tt></td>
460 <td class="center"><code>501</code></td>
461 <td class="left" >HTTP/1.1, <a class="ulink" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.5.2"
462 >RFC 2616, Section 10.5.2</a></td></tr>
463 <tr><td class="left" valign="baseline"><tt class="constant">BAD_GATEWAY</tt></td>
464 <td class="center"><code>502</code></td>
465 <td class="left" >HTTP/1.1 <a class="ulink" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.5.3"
466 >RFC 2616, Section 10.5.3</a></td></tr>
467 <tr><td class="left" valign="baseline"><tt class="constant">SERVICE_UNAVAILABLE</tt></td>
468 <td class="center"><code>503</code></td>
469 <td class="left" >HTTP/1.1, <a class="ulink" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.5.4"
470 >RFC 2616, Section 10.5.4</a></td></tr>
471 <tr><td class="left" valign="baseline"><tt class="constant">GATEWAY_TIMEOUT</tt></td>
472 <td class="center"><code>504</code></td>
473 <td class="left" >HTTP/1.1 <a class="ulink" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.5.5"
474 >RFC 2616, Section 10.5.5</a></td></tr>
475 <tr><td class="left" valign="baseline"><tt class="constant">HTTP_VERSION_NOT_SUPPORTED</tt></td>
476 <td class="center"><code>505</code></td>
477 <td class="left" >HTTP/1.1, <a class="ulink" href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.5.6"
478 >RFC 2616, Section 10.5.6</a></td></tr>
479 <tr><td class="left" valign="baseline"><tt class="constant">INSUFFICIENT_STORAGE</tt></td>
480 <td class="center"><code>507</code></td>
481 <td class="left" >WEBDAV, <a class="ulink" href="http://www.webdav.org/specs/rfc2518.html#STATUS_507"
482 >RFC 2518, Section 10.6</a></td></tr>
483 <tr><td class="left" valign="baseline"><tt class="constant">NOT_EXTENDED</tt></td>
484 <td class="center"><code>510</code></td>
485 <td class="left" >An HTTP Extension Framework, <a class="rfc" id='rfcref-90092' xml:id='rfcref-90092'
486href="http://www.faqs.org/rfcs/rfc2774.html">RFC 2774</a>, Section 7</td></tr></tbody>
487</table></div>
488
489<P>
490
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495
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498<LI><A href="httpresponse-objects.html">11.6.2 HTTPResponse Objects</a>
499<LI><A href="httplib-examples.html">11.6.3 Examples</a>
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