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Update urllib3-1.26.7

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JonnyWong16 2021-10-14 21:00:02 -07:00
parent a3bfabb5f6
commit b6595232d2
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38 changed files with 4375 additions and 2823 deletions
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173
lib/urllib3/exceptions.py
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@ -1,22 +1,25 @@
from __future__ import absolute_import
from .packages.six.moves.http_client import (
IncompleteRead as httplib_IncompleteRead
)
from .packages.six.moves.http_client import IncompleteRead as httplib_IncompleteRead
# Base Exceptions
class HTTPError(Exception):
"Base exception used by this module."
"""Base exception used by this module."""
pass
class HTTPWarning(Warning):
"Base warning used by this module."
"""Base warning used by this module."""
pass
class PoolError(HTTPError):
"Base exception for errors caused within a pool."
"""Base exception for errors caused within a pool."""
def __init__(self, pool, message):
self.pool = pool
HTTPError.__init__(self, "%s: %s" % (pool, message))
@ -27,7 +30,8 @@ class PoolError(HTTPError):
class RequestError(PoolError):
"Base exception for PoolErrors that have associated URLs."
"""Base exception for PoolErrors that have associated URLs."""
def __init__(self, pool, url, message):
self.url = url
PoolError.__init__(self, pool, message)
@ -38,22 +42,28 @@ class RequestError(PoolError):
class SSLError(HTTPError):
"Raised when SSL certificate fails in an HTTPS connection."
"""Raised when SSL certificate fails in an HTTPS connection."""
pass
class ProxyError(HTTPError):
"Raised when the connection to a proxy fails."
pass
"""Raised when the connection to a proxy fails."""
def __init__(self, message, error, *args):
super(ProxyError, self).__init__(message, error, *args)
self.original_error = error
class DecodeError(HTTPError):
"Raised when automatic decoding based on Content-Type fails."
"""Raised when automatic decoding based on Content-Type fails."""
pass
class ProtocolError(HTTPError):
"Raised when something unexpected happens mid-request/response."
"""Raised when something unexpected happens mid-request/response."""
pass
@ -63,6 +73,7 @@ ConnectionError = ProtocolError
# Leaf Exceptions
class MaxRetryError(RequestError):
"""Raised when the maximum number of retries is exceeded.
@ -76,14 +87,13 @@ class MaxRetryError(RequestError):
def __init__(self, pool, url, reason=None):
self.reason = reason
message = "Max retries exceeded with url: %s (Caused by %r)" % (
url, reason)
message = "Max retries exceeded with url: %s (Caused by %r)" % (url, reason)
RequestError.__init__(self, pool, url, message)
class HostChangedError(RequestError):
"Raised when an existing pool gets a request for a foreign host."
"""Raised when an existing pool gets a request for a foreign host."""
def __init__(self, pool, url, retries=3):
message = "Tried to open a foreign host with url: %s" % url
@ -92,53 +102,61 @@ class HostChangedError(RequestError):
class TimeoutStateError(HTTPError):
""" Raised when passing an invalid state to a timeout """
"""Raised when passing an invalid state to a timeout"""
pass
class TimeoutError(HTTPError):
""" Raised when a socket timeout error occurs.
"""Raised when a socket timeout error occurs.
Catching this error will catch both :exc:`ReadTimeoutErrors
<ReadTimeoutError>` and :exc:`ConnectTimeoutErrors <ConnectTimeoutError>`.
"""
pass
class ReadTimeoutError(TimeoutError, RequestError):
"Raised when a socket timeout occurs while receiving data from a server"
"""Raised when a socket timeout occurs while receiving data from a server"""
pass
# This timeout error does not have a URL attached and needs to inherit from the
# base HTTPError
class ConnectTimeoutError(TimeoutError):
"Raised when a socket timeout occurs while connecting to a server"
"""Raised when a socket timeout occurs while connecting to a server"""
pass
class NewConnectionError(ConnectTimeoutError, PoolError):
"Raised when we fail to establish a new connection. Usually ECONNREFUSED."
"""Raised when we fail to establish a new connection. Usually ECONNREFUSED."""
pass
class EmptyPoolError(PoolError):
"Raised when a pool runs out of connections and no more are allowed."
"""Raised when a pool runs out of connections and no more are allowed."""
pass
class ClosedPoolError(PoolError):
"Raised when a request enters a pool after the pool has been closed."
"""Raised when a request enters a pool after the pool has been closed."""
pass
class LocationValueError(ValueError, HTTPError):
"Raised when there is something wrong with a given URL input."
"""Raised when there is something wrong with a given URL input."""
pass
class LocationParseError(LocationValueError):
"Raised when get_host or similar fails to parse the URL input."
"""Raised when get_host or similar fails to parse the URL input."""
def __init__(self, location):
message = "Failed to parse: %s" % location
@ -147,39 +165,56 @@ class LocationParseError(LocationValueError):
self.location = location
class URLSchemeUnknown(LocationValueError):
"""Raised when a URL input has an unsupported scheme."""
def __init__(self, scheme):
message = "Not supported URL scheme %s" % scheme
super(URLSchemeUnknown, self).__init__(message)
self.scheme = scheme
class ResponseError(HTTPError):
"Used as a container for an error reason supplied in a MaxRetryError."
GENERIC_ERROR = 'too many error responses'
SPECIFIC_ERROR = 'too many {status_code} error responses'
"""Used as a container for an error reason supplied in a MaxRetryError."""
GENERIC_ERROR = "too many error responses"
SPECIFIC_ERROR = "too many {status_code} error responses"
class SecurityWarning(HTTPWarning):
"Warned when perfoming security reducing actions"
"""Warned when performing security reducing actions"""
pass
class SubjectAltNameWarning(SecurityWarning):
"Warned when connecting to a host with a certificate missing a SAN."
"""Warned when connecting to a host with a certificate missing a SAN."""
pass
class InsecureRequestWarning(SecurityWarning):
"Warned when making an unverified HTTPS request."
"""Warned when making an unverified HTTPS request."""
pass
class SystemTimeWarning(SecurityWarning):
"Warned when system time is suspected to be wrong"
"""Warned when system time is suspected to be wrong"""
pass
class InsecurePlatformWarning(SecurityWarning):
"Warned when certain SSL configuration is not available on a platform."
"""Warned when certain TLS/SSL configuration is not available on a platform."""
pass
class SNIMissingWarning(HTTPWarning):
"Warned when making a HTTPS request without SNI available."
"""Warned when making a HTTPS request without SNI available."""
pass
@ -188,19 +223,22 @@ class DependencyWarning(HTTPWarning):
Warned when an attempt is made to import a module with missing optional
dependencies.
"""
pass
class ResponseNotChunked(ProtocolError, ValueError):
"Response needs to be chunked in order to read it as chunks."
"""Response needs to be chunked in order to read it as chunks."""
pass
class BodyNotHttplibCompatible(HTTPError):
"""
Body should be httplib.HTTPResponse like (have an fp attribute which
returns raw chunks) for read_chunked().
Body should be :class:`http.client.HTTPResponse` like
(have an fp attribute which returns raw chunks) for read_chunked().
"""
pass
@ -208,39 +246,78 @@ class IncompleteRead(HTTPError, httplib_IncompleteRead):
"""
Response length doesn't match expected Content-Length
Subclass of http_client.IncompleteRead to allow int value
for `partial` to avoid creating large objects on streamed
reads.
Subclass of :class:`http.client.IncompleteRead` to allow int value
for ``partial`` to avoid creating large objects on streamed reads.
"""
def __init__(self, partial, expected):
super(IncompleteRead, self).__init__(partial, expected)
def __repr__(self):
return ('IncompleteRead(%i bytes read, '
'%i more expected)' % (self.partial, self.expected))
return "IncompleteRead(%i bytes read, %i more expected)" % (
self.partial,
self.expected,
)
class InvalidChunkLength(HTTPError, httplib_IncompleteRead):
"""Invalid chunk length in a chunked response."""
def __init__(self, response, length):
super(InvalidChunkLength, self).__init__(
response.tell(), response.length_remaining
)
self.response = response
self.length = length
def __repr__(self):
return "InvalidChunkLength(got length %r, %i bytes read)" % (
self.length,
self.partial,
)
class InvalidHeader(HTTPError):
"The header provided was somehow invalid."
"""The header provided was somehow invalid."""
pass
class ProxySchemeUnknown(AssertionError, ValueError):
"ProxyManager does not support the supplied scheme"
class ProxySchemeUnknown(AssertionError, URLSchemeUnknown):
"""ProxyManager does not support the supplied scheme"""
# TODO(t-8ch): Stop inheriting from AssertionError in v2.0.
def __init__(self, scheme):
message = "Not supported proxy scheme %s" % scheme
# 'localhost' is here because our URL parser parses
# localhost:8080 -> scheme=localhost, remove if we fix this.
if scheme == "localhost":
scheme = None
if scheme is None:
message = "Proxy URL had no scheme, should start with http:// or https://"
else:
message = (
"Proxy URL had unsupported scheme %s, should use http:// or https://"
% scheme
)
super(ProxySchemeUnknown, self).__init__(message)
class ProxySchemeUnsupported(ValueError):
"""Fetching HTTPS resources through HTTPS proxies is unsupported"""
pass
class HeaderParsingError(HTTPError):
"Raised by assert_header_parsing, but we convert it to a log.warning statement."
"""Raised by assert_header_parsing, but we convert it to a log.warning statement."""
def __init__(self, defects, unparsed_data):
message = '%s, unparsed data: %r' % (defects or 'Unknown', unparsed_data)
message = "%s, unparsed data: %r" % (defects or "Unknown", unparsed_data)
super(HeaderParsingError, self).__init__(message)
class UnrewindableBodyError(HTTPError):
"urllib3 encountered an error when trying to rewind a body"
"""urllib3 encountered an error when trying to rewind a body"""
pass