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:mod:`http` --- HTTP modules
============================
.. module:: http
:synopsis: HTTP status codes and messages
.. index::
pair: HTTP; protocol
single: HTTP; http (standard module)
**Source code:** :source:`Lib/http/__init__.py`
:mod:`http` is a also package that collects several modules for working with the
HyperText Transfer Protocol:
* :mod:`http.client` is a low-level HTTP protocol client; for high-level URL
opening use :mod:`urllib.request`
* :mod:`http.server` contains basic HTTP server classes based on :mod:`socketserver`
* :mod:`http.cookies` has utilities for implementing state management with cookies
* :mod:`http.cookiejar` provides persistence of cookies
:mod:`http` is also a module that defines a number of HTTP status codes and
associated messages through the :class:`http.HTTPStatus` enum:
.. class:: HTTPStatus
.. versionadded:: 3.5
A subclass of :class:`enum.IntEnum` that defines a set of HTTP status codes,
reason phrases and long descriptions written in English.
Usage::
>>> from http import HTTPStatus
>>> HTTPStatus.OK
<HTTPStatus.OK: 200>
>>> HTTPStatus.OK == 200
True
>>> http.HTTPStatus.OK.value
200
>>> HTTPStatus.OK.phrase
'OK'
>>> HTTPStatus.OK.description
'Request fulfilled, document follows'
>>> list(HTTPStatus)
[<HTTPStatus.CONTINUE: 100>, <HTTPStatus.SWITCHING_PROTOCOLS: 101>, ...]
The supported HTTP status codes are:
=== ==============================
100 Continue
101 Switching Protocols
102 Processing
200 OK
201 Created
202 Accepted
203 Non-Authoritative Information
204 No Content
205 Reset Content
206 Partial Content
207 Multi-Status
208 Already Reported
226 IM Used
300 Multiple Choices
301 Moved Permanently
302 Found
303 See Other
304 Not Modified
305 Use Proxy
306 Switch Proxy
307 Temporary Redirect
308 Permanent Redirect
400 Bad Request
401 Unauthorized
402 Payment Required
403 Forbidden
404 Not Found
405 Method Not Allowed
406 Not Acceptable
407 Proxy Authentication Required
408 Request Timeout
409 Conflict
410 Gone
411 Length Required
412 Precondition Failed
413 Request Entity Too Large
414 Request URI Too Long
415 Unsupported Media Type
416 Request Range Not Satisfiable
417 Expectation Failed
418 I'm a teapot
419 Authentication Timeout
420 Method Failure *(Spring framework)*
422 Unprocessable Entity
423 Locked
424 Failed Dependency
426 Upgrade Required
428 Precondition Required
429 Too Many Requests
431 Request Header Field Too Large
440 Login Timeout *(Microsoft)*
444 No Response *(Nginx)*
449 Retry With *(Microsoft)*
450 Blocked By Windows Parental Controls *(Microsoft)*
494 Request Header Too Large *(Nginx)*
495 Cert Error *(Nginx)*
496 No Cert *(Nginx)*
497 HTTP To HTTPS *(Nginx)*
499 Client Closed Request *(Nginx)*
500 Internal Server Error
501 Not Implemented
502 Bad Gateway
503 Service Unavailable
504 Gateway Timeout
505 HTTP Version Not Supported
506 Variant Also Negotiates
507 Insufficient Storage
508 Loop Detected
509 Bandwidth Limit Exceeded
510 Not Extended
511 Network Authentication Required
520 Origin Error *(CloudFlare)*
521 Web Server Is Down *(CloudFlare)*
522 Connection Timed Out *(CloudFlare)*
523 Proxy Declined Request *(CloudFlare)*
524 A Timeout Occurred *(CloudFlare)*
598 Network Read Timeout Error
599 Network Connect Timeout Error
=== ==============================
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