A set of HTTP Exceptions for use in Request Handlers

http_exceptions.py

# -*- coding: utf-8 -*-
#
# Author: Craig Russell <craig@craig-russell.co.uk>
# Simple exceptions for HTTP Errors
# http://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml
#
# Example:
#
#     try:
#         raise BadRequest()
#     except BaseHttpException as e:
#         print e.status_code
#         print e.message

class BaseHttpException(Exception):

    def __init__(self, message=None, status_code=None):
        Exception.__init__(self)
        if message:     self.message     = message
        if status_code: self.status_code = status_code

class BadRequest(BaseHttpException):
    status_code = 400
    message = "Bad Request"

class Unauthorized(BaseHttpException):
    status_code = 401
    message = "Unauthorized"

class PaymentRequired(BaseHttpException):
    status_code = 402
    message = "Payment Required"

class Forbidden(BaseHttpException):
    status_code = 403
    message = "Forbidden"

class NotFound(BaseHttpException):
    status_code = 404
    message = "Not Found"

class MethodNotAllowed(BaseHttpException):
    status_code = 405
    message = "Method Not Allowed"

class NotAcceptable(BaseHttpException):
    status_code = 406
    message = "Not Acceptable"

class ProxyAuthenticationRequired(BaseHttpException):
    status_code = 407
    message = "Proxy Authentication Required"

class RequestTimeout(BaseHttpException):
    status_code = 408
    message = "Request Timeout"

class Conflict(BaseHttpException):
    status_code = 409
    message = "Conflict"

class Gone(BaseHttpException):
    status_code = 410
    message = "Gone"

class LengthRequired(BaseHttpException):
    status_code = 411
    message = "Length Required"

class PreconditionFailed(BaseHttpException):
    status_code = 412
    message = "Precondition Failed"

class PayloadTooLarge(BaseHttpException):
    status_code = 413
    message = "Payload Too Large"

class URITooLong(BaseHttpException):
    status_code = 414
    message = "URI Too Long"

class UnsupportedMediaType(BaseHttpException):
    status_code = 415
    message = "Unsupported Media Type"

class RangeNotSatisfiable(BaseHttpException):
    status_code = 416
    message = "Range Not Satisfiable"

class ExpectationFailed(BaseHttpException):
    status_code = 417
    message = "Expectation Failed"

class UnprocessableEntity(BaseHttpException):
    status_code = 422
    message = "Unprocessable Entity"

class Locked(BaseHttpException):
    status_code = 423
    message = "Locked"

class FailedDependency(BaseHttpException):
    status_code = 424
    message = "Failed Dependency"

class UpgradeRequired(BaseHttpException):
    status_code = 426
    message = "Upgrade Required"

class PreconditionRequired(BaseHttpException):
    status_code = 428
    message = "Precondition Required"

class TooManyRequests(BaseHttpException):
    status_code = 429
    message = "Too Many Requests"

class RequestHeaderFieldsTooLarge(BaseHttpException):
    status_code = 431
    message = "Request Header Fields Too Large"

class InternalServerError(BaseHttpException):
    status_code = 500
    message = "Internal Server Error"

class NotImplemented(BaseHttpException):
    status_code = 501
    message = "Not Implemented"

class BadGateway(BaseHttpException):
    status_code = 502
    message = "Bad Gateway"

class ServiceUnavailable(BaseHttpException):
    status_code = 503
    message = "Service Unavailable"

class GatewayTimeout(BaseHttpException):
    status_code = 504
    message = "Gateway Timeout"

class HTTPVersionNotSupported(BaseHttpException):
    status_code = 505
    message = "HTTP Version Not Supported"

class VariantAlsoNegotiates(BaseHttpException):
    status_code = 506
    message = "Variant Also Negotiates"

class InsufficientStorage(BaseHttpException):
    status_code = 507
    message = "Insufficient Storage"

class LoopDetected(BaseHttpException):
    status_code = 508
    message = "Loop Detected"

class NotExtended(BaseHttpException):
    status_code = 510
    message = "Not Extended"

class NetworkAuthenticationRequired(BaseHttpException):
    status_code = 511
    message = "Network Authentication Required"