2.5. HTTP Status

  • 1XX - Informational

  • 2XX - Successful

  • 3XX - Redirection

  • 4XX - Client Error

  • 5XX - Server Error

2.5.1. 1xx Informational response

  • 100 - Continue

  • 101 - Switching Protocols

  • 102 - Processing (WebDAV)

  • 103 - Early Hints

2.5.2. 2xx Success

  • 200 - OK

  • 201 - Created

  • 202 - Accepted

  • 203 - Non-Authoritative Information

  • 204 - No Content

  • 205 - Reset Content

  • 206 - Partial Content

  • 207 - Multi-Status (WebDAV)

  • 208 - Already Reported (WebDAV)

  • 209 - IM Used

2.5.3. 3xx Redirection

  • 300 - Multiple Choices

  • 301 - Moved Permanently

  • 302 - Found (Previously 'Moved temporarily')

  • 303 - See Other

  • 304 - Not Modified

  • 305 - Use Proxy

  • 306 - Switch Proxy

  • 307 - Temporary Redirect

  • 308 - Permanent Redirect

2.5.4. 4xx Client errors

  • 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 - Payload Too Large

  • 414 - URI Too Long

  • 415 - Unsupported Media Type

  • 416 - Range Not Satisfiable

  • 417 - Expectation Failed

  • 418 - I'm a teapot - This code was defined in 1998 as one of the traditional IETF April Fools' jokes, in RFC 2324

  • 421 - Misdirected Request

  • 422 - Unprocessable Entity (WebDAV)

  • 423 - Locked (WebDAV)

  • 424 - Failed Dependency (WebDAV)

  • 426 - Upgrade Required

  • 428 - Precondition Required

  • 429 - Too Many Requests

  • 431 - Request Header Fields Too Large

  • 451 - Unavailable For Legal Reasons

2.5.5. 5xx Server errors

  • 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 (WebDAV)

  • 508 - Loop Detected (WebDAV)

  • 510 - Not Extended

  • 511 - Network Authentication Required

2.5.6. Built-in Match

  • HTTP Status

>>> status = 404
>>>
>>> match status:
...     case 400:             reason = 'Bad request'
...     case 401 | 403 | 405: reason = 'Not allowed'
...     case 404:             reason = 'Not found'
...     case 418:             reason = "I'm a teapot"
...     case _:               reason = 'Unexpected status'
>>>
>>>
>>> print(reason)
Not found

2.5.7. Custom Enum

  • from enum import Enum

>>> from enum import Enum
>>>
>>>
>>> class HTTPStatus(Enum):
...     OK = 200
...     CREATED = 201
...     BAD_REQUEST = 400
...     NOT_FOUND = 404
...     INTERNAL_ERROR = 500
>>>
>>>
>>> status = 404
>>>
>>> match HTTPStatus(status):
...     case HTTPStatus.BAD_REQUEST:    response = 'Bad request'
...     case HTTPStatus.NOT_FOUND:      response = 'Not found'
...     case HTTPStatus.INTERNAL_ERROR: response = 'Internal Server Error'
...     case _:                         response = 'Unexpected status'
>>>
>>>
>>> print(response)
Not found

2.5.8. Built-in Enum

  • from http import HTTPStatus

>>> from http import HTTPStatus
>>>
>>>
>>> HTTPStatus(200).name
'OK'
>>>
>>> HTTPStatus(404).name
'NOT_FOUND'
>>>
>>> HTTPStatus(500).name
'INTERNAL_SERVER_ERROR'
>>>
>>> HTTPStatus(418).name
'IM_A_TEAPOT'

Using statuses:

from http import HTTPStatus

HTTPStatus.OK
HTTPStatus.OK == 200

HTTPStatus.OK.value
HTTPStatus.OK.phrase
HTTPStatus.OK.description

list(HTTPStatus)

Most common statuses:

from http import HTTPStatus


HTTPStatus.OK                       # 200
HTTPStatus.CREATED                  # 201
HTTPStatus.MOVED_PERMANENTLY        # 301
HTTPStatus.FOUND                    # 302
HTTPStatus.BAD_REQUEST              # 400
HTTPStatus.UNAUTHORIZED             # 401
HTTPStatus.FORBIDDEN                # 403
HTTPStatus.METHOD_NOT_ALLOWED       # 405
HTTPStatus.NOT_FOUND                # 404
HTTPStatus.INTERNAL_SERVER_ERROR    # 500