Python Request 请求的时候HTTP status code的响应代码是什么意思

发表于2022年8月11日由华哥

本文是全系列中第4 / 23篇：python学习记

https://docs.python.org/3/library/http.html

HTTP响应代码非常多，但是可以分成这么几类：

1开头的，主要是信息提示

2开头的，成功（比如200一般代表正常返回结果）

3开头的，重定向的（比如301代表重定向到别的地方）

4开头的：客户端的错误（比如401是认证错误，404是找不到）

5开头的，是服务器的错误（比如500常见的就是程序执行出错）

 

HTTP status codes

Supported, IANA-registered status codes available in 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

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