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187 lines
4.4 KiB
Python
187 lines
4.4 KiB
Python
"""HTTP related errors."""
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from asyncio import TimeoutError
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__all__ = (
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'DisconnectedError', 'ClientDisconnectedError', 'ServerDisconnectedError',
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'HttpProcessingError', 'BadHttpMessage',
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'HttpMethodNotAllowed', 'HttpBadRequest', 'HttpProxyError',
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'BadStatusLine', 'LineTooLong', 'InvalidHeader',
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'ClientError', 'ClientHttpProcessingError', 'ClientConnectionError',
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'ClientOSError', 'ClientTimeoutError', 'ProxyConnectionError',
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'ClientRequestError', 'ClientResponseError',
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'FingerprintMismatch',
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'WSServerHandshakeError', 'WSClientDisconnectedError')
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class DisconnectedError(Exception):
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"""Disconnected."""
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class ClientDisconnectedError(DisconnectedError):
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"""Client disconnected."""
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class ServerDisconnectedError(DisconnectedError):
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"""Server disconnected."""
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class WSClientDisconnectedError(ClientDisconnectedError):
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"""Deprecated."""
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class ClientError(Exception):
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"""Base class for client connection errors."""
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class ClientHttpProcessingError(ClientError):
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"""Base class for client HTTP processing errors."""
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class ClientRequestError(ClientHttpProcessingError):
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"""Connection error during sending request."""
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class ClientResponseError(ClientHttpProcessingError):
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"""Connection error during reading response."""
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class ClientConnectionError(ClientError):
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"""Base class for client socket errors."""
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class ClientOSError(ClientConnectionError, OSError):
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"""OSError error."""
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class ClientTimeoutError(ClientConnectionError, TimeoutError):
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"""Client connection timeout error."""
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class ProxyConnectionError(ClientConnectionError):
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"""Proxy connection error.
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Raised in :class:`aiohttp.connector.ProxyConnector` if
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connection to proxy can not be established.
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"""
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class HttpProcessingError(Exception):
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"""HTTP error.
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Shortcut for raising HTTP errors with custom code, message and headers.
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:param int code: HTTP Error code.
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:param str message: (optional) Error message.
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:param list of [tuple] headers: (optional) Headers to be sent in response.
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"""
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code = 0
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message = ''
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headers = None
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def __init__(self, *, code=None, message='', headers=None):
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if code is not None:
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self.code = code
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self.headers = headers
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self.message = message
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super().__init__("%s, message='%s'" % (self.code, message))
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class WSServerHandshakeError(HttpProcessingError):
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"""websocket server handshake error."""
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class HttpProxyError(HttpProcessingError):
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"""HTTP proxy error.
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Raised in :class:`aiohttp.connector.ProxyConnector` if
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proxy responds with status other than ``200 OK``
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on ``CONNECT`` request.
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"""
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class BadHttpMessage(HttpProcessingError):
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code = 400
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message = 'Bad Request'
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def __init__(self, message, *, headers=None):
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super().__init__(message=message, headers=headers)
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class HttpMethodNotAllowed(HttpProcessingError):
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code = 405
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message = 'Method Not Allowed'
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class HttpBadRequest(BadHttpMessage):
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code = 400
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message = 'Bad Request'
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class ContentEncodingError(BadHttpMessage):
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"""Content encoding error."""
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class TransferEncodingError(BadHttpMessage):
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"""transfer encoding error."""
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class LineTooLong(BadHttpMessage):
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def __init__(self, line, limit='Unknown'):
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super().__init__(
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"got more than %s bytes when reading %s" % (limit, line))
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class InvalidHeader(BadHttpMessage):
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def __init__(self, hdr):
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if isinstance(hdr, bytes):
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hdr = hdr.decode('utf-8', 'surrogateescape')
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super().__init__('Invalid HTTP Header: {}'.format(hdr))
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self.hdr = hdr
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class BadStatusLine(BadHttpMessage):
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def __init__(self, line=''):
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if not line:
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line = repr(line)
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self.args = line,
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self.line = line
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class LineLimitExceededParserError(HttpBadRequest):
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"""Line is too long."""
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def __init__(self, msg, limit):
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super().__init__(msg)
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self.limit = limit
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class FingerprintMismatch(ClientConnectionError):
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"""SSL certificate does not match expected fingerprint."""
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def __init__(self, expected, got, host, port):
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self.expected = expected
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self.got = got
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self.host = host
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self.port = port
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def __repr__(self):
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return '<{} expected={} got={} host={} port={}>'.format(
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self.__class__.__name__, self.expected, self.got,
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self.host, self.port)
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class InvalidURL(Exception):
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"""Invalid URL."""
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