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Doc/library/http.rst
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bpo-39507: Add HTTP status 418 "I'm a Teapot" (GH-18291)
15 мар 2020, 15:24
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15 мар 2020, 15:24
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:mod:`http` --- HTTP modules ============================ .. module:: http :synopsis: HTTP status codes and messages **Source code:** :source:`Lib/http/__init__.py` .. index:: pair: HTTP; protocol single: HTTP; http (standard module) -------------- :mod:`http` is a 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 >>> HTTPStatus.OK.value 200 >>> HTTPStatus.OK.phrase 'OK' >>> HTTPStatus.OK.description 'Request fulfilled, document follows' >>> list(HTTPStatus) [<HTTPStatus.CONTINUE: 100>, <HTTPStatus.SWITCHING_PROTOCOLS: 101>, ...] .. _http-status-codes: HTTP status codes ----------------- Supported, `IANA-registered <https://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml>`_ status codes available in :class:`http.HTTPStatus` are: ======= =================================== ================================================================== Code Enum Name Details ======= =================================== ================================================================== ``100`` ``CONTINUE`` HTTP/1.1 :rfc:`7231`, Section 6.2.1 ``101`` ``SWITCHING_PROTOCOLS`` HTTP/1.1 :rfc:`7231`, Section 6.2.2 ``102`` ``PROCESSING`` WebDAV :rfc:`2518`, Section 10.1 ``103`` ``EARLY_HINTS`` An HTTP Status Code for Indicating Hints :rfc:`8297` ``200`` ``OK`` HTTP/1.1 :rfc:`7231`, Section 6.3.1 ``201`` ``CREATED`` HTTP/1.1 :rfc:`7231`, Section 6.3.2 ``202`` ``ACCEPTED`` HTTP/1.1 :rfc:`7231`, Section 6.3.3 ``203`` ``NON_AUTHORITATIVE_INFORMATION`` HTTP/1.1 :rfc:`7231`, Section 6.3.4 ``204`` ``NO_CONTENT`` HTTP/1.1 :rfc:`7231`, Section 6.3.5 ``205`` ``RESET_CONTENT`` HTTP/1.1 :rfc:`7231`, Section 6.3.6 ``206`` ``PARTIAL_CONTENT`` HTTP/1.1 :rfc:`7233`, Section 4.1 ``207`` ``MULTI_STATUS`` WebDAV :rfc:`4918`, Section 11.1 ``208`` ``ALREADY_REPORTED`` WebDAV Binding Extensions :rfc:`5842`, Section 7.1 (Experimental) ``226`` ``IM_USED`` Delta Encoding in HTTP :rfc:`3229`, Section 10.4.1 ``300`` ``MULTIPLE_CHOICES`` HTTP/1.1 :rfc:`7231`, Section 6.4.1 ``301`` ``MOVED_PERMANENTLY`` HTTP/1.1 :rfc:`7231`, Section 6.4.2 ``302`` ``FOUND`` HTTP/1.1 :rfc:`7231`, Section 6.4.3 ``303`` ``SEE_OTHER`` HTTP/1.1 :rfc:`7231`, Section 6.4.4 ``304`` ``NOT_MODIFIED`` HTTP/1.1 :rfc:`7232`, Section 4.1 ``305`` ``USE_PROXY`` HTTP/1.1 :rfc:`7231`, Section 6.4.5 ``307`` ``TEMPORARY_REDIRECT`` HTTP/1.1 :rfc:`7231`, Section 6.4.7 ``308`` ``PERMANENT_REDIRECT`` Permanent Redirect :rfc:`7238`, Section 3 (Experimental) ``400`` ``BAD_REQUEST`` HTTP/1.1 :rfc:`7231`, Section 6.5.1 ``401`` ``UNAUTHORIZED`` HTTP/1.1 Authentication :rfc:`7235`, Section 3.1 ``402`` ``PAYMENT_REQUIRED`` HTTP/1.1 :rfc:`7231`, Section 6.5.2 ``403`` ``FORBIDDEN`` HTTP/1.1 :rfc:`7231`, Section 6.5.3 ``404`` ``NOT_FOUND`` HTTP/1.1 :rfc:`7231`, Section 6.5.4 ``405`` ``METHOD_NOT_ALLOWED`` HTTP/1.1 :rfc:`7231`, Section 6.5.5 ``406`` ``NOT_ACCEPTABLE`` HTTP/1.1 :rfc:`7231`, Section 6.5.6 ``407`` ``PROXY_AUTHENTICATION_REQUIRED`` HTTP/1.1 Authentication :rfc:`7235`, Section 3.2 ``408`` ``REQUEST_TIMEOUT`` HTTP/1.1 :rfc:`7231`, Section 6.5.7 ``409`` ``CONFLICT`` HTTP/1.1 :rfc:`7231`, Section 6.5.8 ``410`` ``GONE`` HTTP/1.1 :rfc:`7231`, Section 6.5.9 ``411`` ``LENGTH_REQUIRED`` HTTP/1.1 :rfc:`7231`, Section 6.5.10 ``412`` ``PRECONDITION_FAILED`` HTTP/1.1 :rfc:`7232`, Section 4.2 ``413`` ``REQUEST_ENTITY_TOO_LARGE`` HTTP/1.1 :rfc:`7231`, Section 6.5.11 ``414`` ``REQUEST_URI_TOO_LONG`` HTTP/1.1 :rfc:`7231`, Section 6.5.12 ``415`` ``UNSUPPORTED_MEDIA_TYPE`` HTTP/1.1 :rfc:`7231`, Section 6.5.13 ``416`` ``REQUESTED_RANGE_NOT_SATISFIABLE`` HTTP/1.1 Range Requests :rfc:`7233`, Section 4.4 ``417`` ``EXPECTATION_FAILED`` HTTP/1.1 :rfc:`7231`, Section 6.5.14 ``418`` ``IM_A_TEAPOT`` HTCPCP/1.0 :rfc:`2324`, Section 2.3.2 ``421`` ``MISDIRECTED_REQUEST`` HTTP/2 :rfc:`7540`, Section 9.1.2 ``422`` ``UNPROCESSABLE_ENTITY`` WebDAV :rfc:`4918`, Section 11.2 ``423`` ``LOCKED`` WebDAV :rfc:`4918`, Section 11.3 ``424`` ``FAILED_DEPENDENCY`` WebDAV :rfc:`4918`, Section 11.4 ``425`` ``TOO_EARLY`` Using Early Data in HTTP :rfc:`8470` ``426`` ``UPGRADE_REQUIRED`` HTTP/1.1 :rfc:`7231`, Section 6.5.15 ``428`` ``PRECONDITION_REQUIRED`` Additional HTTP Status Codes :rfc:`6585` ``429`` ``TOO_MANY_REQUESTS`` Additional HTTP Status Codes :rfc:`6585` ``431`` ``REQUEST_HEADER_FIELDS_TOO_LARGE`` Additional HTTP Status Codes :rfc:`6585` ``451`` ``UNAVAILABLE_FOR_LEGAL_REASONS`` An HTTP Status Code to Report Legal Obstacles :rfc:`7725` ``500`` ``INTERNAL_SERVER_ERROR`` HTTP/1.1 :rfc:`7231`, Section 6.6.1 ``501`` ``NOT_IMPLEMENTED`` HTTP/1.1 :rfc:`7231`, Section 6.6.2 ``502`` ``BAD_GATEWAY`` HTTP/1.1 :rfc:`7231`, Section 6.6.3 ``503`` ``SERVICE_UNAVAILABLE`` HTTP/1.1 :rfc:`7231`, Section 6.6.4 ``504`` ``GATEWAY_TIMEOUT`` HTTP/1.1 :rfc:`7231`, Section 6.6.5 ``505`` ``HTTP_VERSION_NOT_SUPPORTED`` HTTP/1.1 :rfc:`7231`, Section 6.6.6 ``506`` ``VARIANT_ALSO_NEGOTIATES`` Transparent Content Negotiation in HTTP :rfc:`2295`, Section 8.1 (Experimental) ``507`` ``INSUFFICIENT_STORAGE`` WebDAV :rfc:`4918`, Section 11.5 ``508`` ``LOOP_DETECTED`` WebDAV Binding Extensions :rfc:`5842`, Section 7.2 (Experimental) ``510`` ``NOT_EXTENDED`` An HTTP Extension Framework :rfc:`2774`, Section 7 (Experimental) ``511`` ``NETWORK_AUTHENTICATION_REQUIRED`` Additional HTTP Status Codes :rfc:`6585`, Section 6 ======= =================================== ================================================================== In order to preserve backwards compatibility, enum values are also present in the :mod:`http.client` module in the form of constants. The enum name is equal to the constant name (i.e. ``http.HTTPStatus.OK`` is also available as ``http.client.OK``). .. versionchanged:: 3.7 Added ``421 MISDIRECTED_REQUEST`` status code. .. versionadded:: 3.8 Added ``451 UNAVAILABLE_FOR_LEGAL_REASONS`` status code. .. versionadded:: 3.9 Added ``103 EARLY_HINTS``, ``418 IM_A_TEAPOT`` and ``425 TOO_EARLY`` status codes.