/usr/lib/python3/dist-packages/botocore/awsrequest.py is in python3-botocore 0.29.0+repack-2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 | # Copyright (c) 2012-2013 Mitch Garnaat http://garnaat.org/
# Copyright 2012-2013 Amazon.com, Inc. or its affiliates. All Rights Reserved.
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish, dis-
# tribute, sublicense, and/or sell copies of the Software, and to permit
# persons to whom the Software is furnished to do so, subject to the fol-
# lowing conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
# ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
# SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.
#
import logging
import six
from requests import models
from requests.sessions import REDIRECT_STATI
from botocore.compat import HTTPHeaders, file_type
from botocore.exceptions import UnseekableStreamError
logger = logging.getLogger(__name__)
class AWSRequest(models.RequestEncodingMixin, models.Request):
def __init__(self, *args, **kwargs):
self.auth_path = None
if 'auth_path' in kwargs:
self.auth_path = kwargs['auth_path']
del kwargs['auth_path']
models.Request.__init__(self, *args, **kwargs)
headers = HTTPHeaders()
if self.headers is not None:
for key, value in self.headers.items():
headers[key] = value
self.headers = headers
def prepare(self):
"""Constructs a :class:`AWSPreparedRequest <AWSPreparedRequest>`."""
# Eventually I think it would be nice to add hooks into this process.
p = AWSPreparedRequest(self)
p.prepare_method(self.method)
p.prepare_url(self.url, self.params)
p.prepare_headers(self.headers)
p.prepare_cookies(self.cookies)
p.prepare_body(self.data, self.files)
p.prepare_auth(self.auth)
return p
@property
def body(self):
p = models.PreparedRequest()
p.prepare_headers({})
p.prepare_body(self.data, self.files)
return p.body
class AWSPreparedRequest(models.PreparedRequest):
"""Represents a prepared request.
:ivar method: HTTP Method
:ivar url: The full url
:ivar headers: The HTTP headers to send.
:ivar body: The HTTP body.
:ivar hooks: The set of callback hooks.
In addition to the above attributes, the following attributes are
available:
:ivar query_params: The original query parameters.
:ivar post_param: The original POST params (dict).
"""
def __init__(self, original_request):
self.original = original_request
super(AWSPreparedRequest, self).__init__()
self.hooks.setdefault('response', []).append(
self.reset_stream_on_redirect)
def reset_stream_on_redirect(self, response, **kwargs):
if response.status_code in REDIRECT_STATI and \
isinstance(self.body, file_type):
logger.debug("Redirect received, rewinding stream: %s", self.body)
self.reset_stream()
def reset_stream(self):
# Trying to reset a stream when there is a no stream will
# just immediately return. It's not an error, it will produce
# the same result as if we had actually reset the stream (we'll send
# the entire body contents again if we need to).
# Same case if the body is a string/bytes type.
if self.body is None or isinstance(self.body, six.text_type) or \
isinstance(self.body, six.binary_type):
return
try:
logger.debug("Rewinding stream: %s", self.body)
self.body.seek(0)
except Exception as e:
logger.debug("Unable to rewind stream: %s", e)
raise UnseekableStreamError(stream_object=self.body)
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