Current File : //proc/self/root/opt/alt/python35/lib64/python3.5/site-packages/aiohttp/web_exceptions.py
from .web_response import Response
__all__ = (
'HTTPException',
'HTTPError',
'HTTPRedirection',
'HTTPSuccessful',
'HTTPOk',
'HTTPCreated',
'HTTPAccepted',
'HTTPNonAuthoritativeInformation',
'HTTPNoContent',
'HTTPResetContent',
'HTTPPartialContent',
'HTTPMultipleChoices',
'HTTPMovedPermanently',
'HTTPFound',
'HTTPSeeOther',
'HTTPNotModified',
'HTTPUseProxy',
'HTTPTemporaryRedirect',
'HTTPPermanentRedirect',
'HTTPClientError',
'HTTPBadRequest',
'HTTPUnauthorized',
'HTTPPaymentRequired',
'HTTPForbidden',
'HTTPNotFound',
'HTTPMethodNotAllowed',
'HTTPNotAcceptable',
'HTTPProxyAuthenticationRequired',
'HTTPRequestTimeout',
'HTTPConflict',
'HTTPGone',
'HTTPLengthRequired',
'HTTPPreconditionFailed',
'HTTPRequestEntityTooLarge',
'HTTPRequestURITooLong',
'HTTPUnsupportedMediaType',
'HTTPRequestRangeNotSatisfiable',
'HTTPExpectationFailed',
'HTTPMisdirectedRequest',
'HTTPUnprocessableEntity',
'HTTPFailedDependency',
'HTTPUpgradeRequired',
'HTTPPreconditionRequired',
'HTTPTooManyRequests',
'HTTPRequestHeaderFieldsTooLarge',
'HTTPUnavailableForLegalReasons',
'HTTPServerError',
'HTTPInternalServerError',
'HTTPNotImplemented',
'HTTPBadGateway',
'HTTPServiceUnavailable',
'HTTPGatewayTimeout',
'HTTPVersionNotSupported',
'HTTPVariantAlsoNegotiates',
'HTTPInsufficientStorage',
'HTTPNotExtended',
'HTTPNetworkAuthenticationRequired',
)
############################################################
# HTTP Exceptions
############################################################
class HTTPException(Response, Exception):
# You should set in subclasses:
# status = 200
status_code = None
empty_body = False
def __init__(self, *, headers=None, reason=None,
body=None, text=None, content_type=None):
Response.__init__(self, status=self.status_code,
headers=headers, reason=reason,
body=body, text=text, content_type=content_type)
Exception.__init__(self, self.reason)
if self.body is None and not self.empty_body:
self.text = "{}: {}".format(self.status, self.reason)
class HTTPError(HTTPException):
"""Base class for exceptions with status codes in the 400s and 500s."""
class HTTPRedirection(HTTPException):
"""Base class for exceptions with status codes in the 300s."""
class HTTPSuccessful(HTTPException):
"""Base class for exceptions with status codes in the 200s."""
class HTTPOk(HTTPSuccessful):
status_code = 200
class HTTPCreated(HTTPSuccessful):
status_code = 201
class HTTPAccepted(HTTPSuccessful):
status_code = 202
class HTTPNonAuthoritativeInformation(HTTPSuccessful):
status_code = 203
class HTTPNoContent(HTTPSuccessful):
status_code = 204
empty_body = True
class HTTPResetContent(HTTPSuccessful):
status_code = 205
empty_body = True
class HTTPPartialContent(HTTPSuccessful):
status_code = 206
############################################################
# 3xx redirection
############################################################
class _HTTPMove(HTTPRedirection):
def __init__(self, location, *, headers=None, reason=None,
body=None, text=None, content_type=None):
if not location:
raise ValueError("HTTP redirects need a location to redirect to.")
super().__init__(headers=headers, reason=reason,
body=body, text=text, content_type=content_type)
self.headers['Location'] = str(location)
self.location = location
class HTTPMultipleChoices(_HTTPMove):
status_code = 300
class HTTPMovedPermanently(_HTTPMove):
status_code = 301
class HTTPFound(_HTTPMove):
status_code = 302
# This one is safe after a POST (the redirected location will be
# retrieved with GET):
class HTTPSeeOther(_HTTPMove):
status_code = 303
class HTTPNotModified(HTTPRedirection):
# FIXME: this should include a date or etag header
status_code = 304
empty_body = True
class HTTPUseProxy(_HTTPMove):
# Not a move, but looks a little like one
status_code = 305
class HTTPTemporaryRedirect(_HTTPMove):
status_code = 307
class HTTPPermanentRedirect(_HTTPMove):
status_code = 308
############################################################
# 4xx client error
############################################################
class HTTPClientError(HTTPError):
pass
class HTTPBadRequest(HTTPClientError):
status_code = 400
class HTTPUnauthorized(HTTPClientError):
status_code = 401
class HTTPPaymentRequired(HTTPClientError):
status_code = 402
class HTTPForbidden(HTTPClientError):
status_code = 403
class HTTPNotFound(HTTPClientError):
status_code = 404
class HTTPMethodNotAllowed(HTTPClientError):
status_code = 405
def __init__(self, method, allowed_methods, *, headers=None, reason=None,
body=None, text=None, content_type=None):
allow = ','.join(sorted(allowed_methods))
super().__init__(headers=headers, reason=reason,
body=body, text=text, content_type=content_type)
self.headers['Allow'] = allow
self.allowed_methods = allowed_methods
self.method = method.upper()
class HTTPNotAcceptable(HTTPClientError):
status_code = 406
class HTTPProxyAuthenticationRequired(HTTPClientError):
status_code = 407
class HTTPRequestTimeout(HTTPClientError):
status_code = 408
class HTTPConflict(HTTPClientError):
status_code = 409
class HTTPGone(HTTPClientError):
status_code = 410
class HTTPLengthRequired(HTTPClientError):
status_code = 411
class HTTPPreconditionFailed(HTTPClientError):
status_code = 412
class HTTPRequestEntityTooLarge(HTTPClientError):
status_code = 413
class HTTPRequestURITooLong(HTTPClientError):
status_code = 414
class HTTPUnsupportedMediaType(HTTPClientError):
status_code = 415
class HTTPRequestRangeNotSatisfiable(HTTPClientError):
status_code = 416
class HTTPExpectationFailed(HTTPClientError):
status_code = 417
class HTTPMisdirectedRequest(HTTPClientError):
status_code = 421
class HTTPUnprocessableEntity(HTTPClientError):
status_code = 422
class HTTPFailedDependency(HTTPClientError):
status_code = 424
class HTTPUpgradeRequired(HTTPClientError):
status_code = 426
class HTTPPreconditionRequired(HTTPClientError):
status_code = 428
class HTTPTooManyRequests(HTTPClientError):
status_code = 429
class HTTPRequestHeaderFieldsTooLarge(HTTPClientError):
status_code = 431
class HTTPUnavailableForLegalReasons(HTTPClientError):
status_code = 451
def __init__(self, link, *, headers=None, reason=None,
body=None, text=None, content_type=None):
super().__init__(headers=headers, reason=reason,
body=body, text=text, content_type=content_type)
self.headers['Link'] = '<%s>; rel="blocked-by"' % link
self.link = link
############################################################
# 5xx Server Error
############################################################
# Response status codes beginning with the digit "5" indicate cases in
# which the server is aware that it has erred or is incapable of
# performing the request. Except when responding to a HEAD request, the
# server SHOULD include an entity containing an explanation of the error
# situation, and whether it is a temporary or permanent condition. User
# agents SHOULD display any included entity to the user. These response
# codes are applicable to any request method.
class HTTPServerError(HTTPError):
pass
class HTTPInternalServerError(HTTPServerError):
status_code = 500
class HTTPNotImplemented(HTTPServerError):
status_code = 501
class HTTPBadGateway(HTTPServerError):
status_code = 502
class HTTPServiceUnavailable(HTTPServerError):
status_code = 503
class HTTPGatewayTimeout(HTTPServerError):
status_code = 504
class HTTPVersionNotSupported(HTTPServerError):
status_code = 505
class HTTPVariantAlsoNegotiates(HTTPServerError):
status_code = 506
class HTTPInsufficientStorage(HTTPServerError):
status_code = 507
class HTTPNotExtended(HTTPServerError):
status_code = 510
class HTTPNetworkAuthenticationRequired(HTTPServerError):
status_code = 511
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