Mercurial > repos > bcclaywell > argo_navis

annotate venv/lib/python2.7/site-packages/boto/s3/connection.py @ 0:d67268158946 draft

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planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
author bcclaywell
date Mon, 12 Oct 2015 17:43:33 -0400
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1 # Copyright (c) 2006-2012 Mitch Garnaat http://garnaat.org/
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2 # Copyright (c) 2012 Amazon.com, Inc. or its affiliates.
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3 # Copyright (c) 2010, Eucalyptus Systems, Inc.
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4 # All rights reserved.
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5 #
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6 # Permission is hereby granted, free of charge, to any person obtaining a
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7 # copy of this software and associated documentation files (the
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8 # "Software"), to deal in the Software without restriction, including
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9 # without limitation the rights to use, copy, modify, merge, publish, dis-
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10 # tribute, sublicense, and/or sell copies of the Software, and to permit
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11 # persons to whom the Software is furnished to do so, subject to the fol-
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12 # lowing conditions:
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13 #
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14 # The above copyright notice and this permission notice shall be included
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15 # in all copies or substantial portions of the Software.
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16 #
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17 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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18 # OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
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19 # ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
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20 # SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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21 # WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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22 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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23 # IN THE SOFTWARE.
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24
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25 import xml.sax
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26 import base64
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27 from boto.compat import six, urllib
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28 import time
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29
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30 from boto.auth import detect_potential_s3sigv4
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31 import boto.utils
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32 from boto.connection import AWSAuthConnection
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33 from boto import handler
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34 from boto.s3.bucket import Bucket
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35 from boto.s3.key import Key
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36 from boto.resultset import ResultSet
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37 from boto.exception import BotoClientError, S3ResponseError
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38
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39
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40 def check_lowercase_bucketname(n):
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41 """
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42 Bucket names must not contain uppercase characters. We check for
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43 this by appending a lowercase character and testing with islower().
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44 Note this also covers cases like numeric bucket names with dashes.
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45
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46 >>> check_lowercase_bucketname("Aaaa")
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47 Traceback (most recent call last):
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48 ...
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49 BotoClientError: S3Error: Bucket names cannot contain upper-case
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50 characters when using either the sub-domain or virtual hosting calling
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51 format.
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52
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53 >>> check_lowercase_bucketname("1234-5678-9123")
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54 True
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55 >>> check_lowercase_bucketname("abcdefg1234")
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56 True
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57 """
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58 if not (n + 'a').islower():
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59 raise BotoClientError("Bucket names cannot contain upper-case " \
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60 "characters when using either the sub-domain or virtual " \
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61 "hosting calling format.")
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62 return True
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63
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64
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65 def assert_case_insensitive(f):
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66 def wrapper(*args, **kwargs):
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67 if len(args) == 3 and check_lowercase_bucketname(args[2]):
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68 pass
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69 return f(*args, **kwargs)
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70 return wrapper
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71
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72
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73 class _CallingFormat(object):
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74
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75 def get_bucket_server(self, server, bucket):
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76 return ''
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77
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78 def build_url_base(self, connection, protocol, server, bucket, key=''):
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79 url_base = '%s://' % protocol
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80 url_base += self.build_host(server, bucket)
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81 url_base += connection.get_path(self.build_path_base(bucket, key))
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82 return url_base
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83
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84 def build_host(self, server, bucket):
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85 if bucket == '':
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86 return server
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87 else:
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88 return self.get_bucket_server(server, bucket)
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89
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90 def build_auth_path(self, bucket, key=''):
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91 key = boto.utils.get_utf8_value(key)
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92 path = ''
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93 if bucket != '':
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94 path = '/' + bucket
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95 return path + '/%s' % urllib.parse.quote(key)
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96
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97 def build_path_base(self, bucket, key=''):
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98 key = boto.utils.get_utf8_value(key)
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99 return '/%s' % urllib.parse.quote(key)
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100
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101
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102 class SubdomainCallingFormat(_CallingFormat):
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103
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104 @assert_case_insensitive
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105 def get_bucket_server(self, server, bucket):
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106 return '%s.%s' % (bucket, server)
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107
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108
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109 class VHostCallingFormat(_CallingFormat):
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110
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111 @assert_case_insensitive
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112 def get_bucket_server(self, server, bucket):
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113 return bucket
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114
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115
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116 class OrdinaryCallingFormat(_CallingFormat):
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117
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118 def get_bucket_server(self, server, bucket):
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119 return server
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120
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121 def build_path_base(self, bucket, key=''):
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122 key = boto.utils.get_utf8_value(key)
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123 path_base = '/'
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124 if bucket:
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125 path_base += "%s/" % bucket
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126 return path_base + urllib.parse.quote(key)
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127
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128
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129 class ProtocolIndependentOrdinaryCallingFormat(OrdinaryCallingFormat):
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130
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131 def build_url_base(self, connection, protocol, server, bucket, key=''):
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132 url_base = '//'
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133 url_base += self.build_host(server, bucket)
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134 url_base += connection.get_path(self.build_path_base(bucket, key))
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135 return url_base
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136
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137
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138 class Location(object):
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139
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140 DEFAULT = '' # US Classic Region
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141 EU = 'EU'
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142 USWest = 'us-west-1'
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143 USWest2 = 'us-west-2'
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144 SAEast = 'sa-east-1'
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145 APNortheast = 'ap-northeast-1'
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146 APSoutheast = 'ap-southeast-1'
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147 APSoutheast2 = 'ap-southeast-2'
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148 CNNorth1 = 'cn-north-1'
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149
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150
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151 class NoHostProvided(object):
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152 # An identifying object to help determine whether the user provided a
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153 # ``host`` or not. Never instantiated.
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154 pass
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155
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156
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157 class HostRequiredError(BotoClientError):
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158 pass
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159
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160
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161 class S3Connection(AWSAuthConnection):
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162
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163 DefaultHost = boto.config.get('s3', 'host', 's3.amazonaws.com')
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164 DefaultCallingFormat = boto.config.get('s3', 'calling_format', 'boto.s3.connection.SubdomainCallingFormat')
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165 QueryString = 'Signature=%s&Expires=%d&AWSAccessKeyId=%s'
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166
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167 def __init__(self, aws_access_key_id=None, aws_secret_access_key=None,
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168 is_secure=True, port=None, proxy=None, proxy_port=None,
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169 proxy_user=None, proxy_pass=None,
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170 host=NoHostProvided, debug=0, https_connection_factory=None,
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171 calling_format=DefaultCallingFormat, path='/',
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172 provider='aws', bucket_class=Bucket, security_token=None,
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173 suppress_consec_slashes=True, anon=False,
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174 validate_certs=None, profile_name=None):
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175 no_host_provided = False
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176 if host is NoHostProvided:
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177 no_host_provided = True
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178 host = self.DefaultHost
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179 if isinstance(calling_format, six.string_types):
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180 calling_format=boto.utils.find_class(calling_format)()
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181 self.calling_format = calling_format
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182 self.bucket_class = bucket_class
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183 self.anon = anon
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184 super(S3Connection, self).__init__(host,
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185 aws_access_key_id, aws_secret_access_key,
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186 is_secure, port, proxy, proxy_port, proxy_user, proxy_pass,
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187 debug=debug, https_connection_factory=https_connection_factory,
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188 path=path, provider=provider, security_token=security_token,
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189 suppress_consec_slashes=suppress_consec_slashes,
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190 validate_certs=validate_certs, profile_name=profile_name)
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191 # We need to delay until after the call to ``super`` before checking
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192 # to see if SigV4 is in use.
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193 if no_host_provided:
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194 if 'hmac-v4-s3' in self._required_auth_capability():
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195 raise HostRequiredError(
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196 "When using SigV4, you must specify a 'host' parameter."
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197 )
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198
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199 @detect_potential_s3sigv4
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200 def _required_auth_capability(self):
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201 if self.anon:
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202 return ['anon']
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203 else:
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204 return ['s3']
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205
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206 def __iter__(self):
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207 for bucket in self.get_all_buckets():
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208 yield bucket
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209
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210 def __contains__(self, bucket_name):
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211 return not (self.lookup(bucket_name) is None)
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212
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213 def set_bucket_class(self, bucket_class):
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214 """
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215 Set the Bucket class associated with this bucket. By default, this
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216 would be the boto.s3.key.Bucket class but if you want to subclass that
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217 for some reason this allows you to associate your new class.
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218
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219 :type bucket_class: class
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220 :param bucket_class: A subclass of Bucket that can be more specific
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221 """
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222 self.bucket_class = bucket_class
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223
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224 def build_post_policy(self, expiration_time, conditions):
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225 """
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226 Taken from the AWS book Python examples and modified for use with boto
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227 """
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228 assert isinstance(expiration_time, time.struct_time), \
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229 'Policy document must include a valid expiration Time object'
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230
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231 # Convert conditions object mappings to condition statements
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232
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233 return '{"expiration": "%s",\n"conditions": [%s]}' % \
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234 (time.strftime(boto.utils.ISO8601, expiration_time), ",".join(conditions))
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235
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236 def build_post_form_args(self, bucket_name, key, expires_in=6000,
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237 acl=None, success_action_redirect=None,
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238 max_content_length=None,
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239 http_method='http', fields=None,
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240 conditions=None, storage_class='STANDARD',
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241 server_side_encryption=None):
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242 """
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243 Taken from the AWS book Python examples and modified for use with boto
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244 This only returns the arguments required for the post form, not the
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245 actual form. This does not return the file input field which also
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246 needs to be added
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247
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248 :type bucket_name: string
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249 :param bucket_name: Bucket to submit to
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250
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251 :type key: string
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252 :param key: Key name, optionally add ${filename} to the end to
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253 attach the submitted filename
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254
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255 :type expires_in: integer
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256 :param expires_in: Time (in seconds) before this expires, defaults
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257 to 6000
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258
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259 :type acl: string
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260 :param acl: A canned ACL. One of:
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261 * private
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262 * public-read
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263 * public-read-write
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264 * authenticated-read
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265 * bucket-owner-read
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266 * bucket-owner-full-control
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267
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268 :type success_action_redirect: string
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269 :param success_action_redirect: URL to redirect to on success
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270
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271 :type max_content_length: integer
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272 :param max_content_length: Maximum size for this file
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273
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274 :type http_method: string
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275 :param http_method: HTTP Method to use, "http" or "https"
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276
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277 :type storage_class: string
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278 :param storage_class: Storage class to use for storing the object.
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279 Valid values: STANDARD | REDUCED_REDUNDANCY
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280
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281 :type server_side_encryption: string
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282 :param server_side_encryption: Specifies server-side encryption
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283 algorithm to use when Amazon S3 creates an object.
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284 Valid values: None | AES256
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285
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286 :rtype: dict
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287 :return: A dictionary containing field names/values as well as
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288 a url to POST to
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289
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290 .. code-block:: python
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291
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292
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293 """
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294 if fields is None:
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295 fields = []
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296 if conditions is None:
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297 conditions = []
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298 expiration = time.gmtime(int(time.time() + expires_in))
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299
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300 # Generate policy document
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301 conditions.append('{"bucket": "%s"}' % bucket_name)
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302 if key.endswith("${filename}"):
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303 conditions.append('["starts-with", "$key", "%s"]' % key[:-len("${filename}")])
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304 else:
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305 conditions.append('{"key": "%s"}' % key)
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306 if acl:
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307 conditions.append('{"acl": "%s"}' % acl)
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308 fields.append({"name": "acl", "value": acl})
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309 if success_action_redirect:
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310 conditions.append('{"success_action_redirect": "%s"}' % success_action_redirect)
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311 fields.append({"name": "success_action_redirect", "value": success_action_redirect})
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312 if max_content_length:
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313 conditions.append('["content-length-range", 0, %i]' % max_content_length)
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314
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315 if self.provider.security_token:
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316 fields.append({'name': 'x-amz-security-token',
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317 'value': self.provider.security_token})
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318 conditions.append('{"x-amz-security-token": "%s"}' % self.provider.security_token)
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319
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320 if storage_class:
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321 fields.append({'name': 'x-amz-storage-class',
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322 'value': storage_class})
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323 conditions.append('{"x-amz-storage-class": "%s"}' % storage_class)
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324
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325 if server_side_encryption:
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326 fields.append({'name': 'x-amz-server-side-encryption',
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327 'value': server_side_encryption})
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328 conditions.append('{"x-amz-server-side-encryption": "%s"}' % server_side_encryption)
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329
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330 policy = self.build_post_policy(expiration, conditions)
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331
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332 # Add the base64-encoded policy document as the 'policy' field
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333 policy_b64 = base64.b64encode(policy)
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334 fields.append({"name": "policy", "value": policy_b64})
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335
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336 # Add the AWS access key as the 'AWSAccessKeyId' field
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337 fields.append({"name": "AWSAccessKeyId",
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338 "value": self.aws_access_key_id})
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339
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340 # Add signature for encoded policy document as the
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341 # 'signature' field
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342 signature = self._auth_handler.sign_string(policy_b64)
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343 fields.append({"name": "signature", "value": signature})
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344 fields.append({"name": "key", "value": key})
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345
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346 # HTTPS protocol will be used if the secure HTTP option is enabled.
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347 url = '%s://%s/' % (http_method,
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348 self.calling_format.build_host(self.server_name(),
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349 bucket_name))
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350
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351 return {"action": url, "fields": fields}
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352
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353 def generate_url_sigv4(self, expires_in, method, bucket='', key='',
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354 headers=None, force_http=False,
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355 response_headers=None, version_id=None,
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356 iso_date=None):
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357 path = self.calling_format.build_path_base(bucket, key)
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358 auth_path = self.calling_format.build_auth_path(bucket, key)
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359 host = self.calling_format.build_host(self.server_name(), bucket)
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360
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361 # For presigned URLs we should ignore the port if it's HTTPS
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362 if host.endswith(':443'):
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363 host = host[:-4]
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364
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365 params = {}
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366 if version_id is not None:
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367 params['VersionId'] = version_id
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368
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369 http_request = self.build_base_http_request(method, path, auth_path,
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370 headers=headers, host=host,
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371 params=params)
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372
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373 return self._auth_handler.presign(http_request, expires_in,
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374 iso_date=iso_date)
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375
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376 def generate_url(self, expires_in, method, bucket='', key='', headers=None,
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377 query_auth=True, force_http=False, response_headers=None,
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378 expires_in_absolute=False, version_id=None):
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379 if self._auth_handler.capability[0] == 'hmac-v4-s3':
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380 # Handle the special sigv4 case
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381 return self.generate_url_sigv4(expires_in, method, bucket=bucket,
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382 key=key, headers=headers, force_http=force_http,
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383 response_headers=response_headers, version_id=version_id)
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384
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parents:
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385 headers = headers or {}
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386 if expires_in_absolute:
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387 expires = int(expires_in)
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388 else:
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389 expires = int(time.time() + expires_in)
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390 auth_path = self.calling_format.build_auth_path(bucket, key)
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391 auth_path = self.get_path(auth_path)
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392 # optional version_id and response_headers need to be added to
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393 # the query param list.
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394 extra_qp = []
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395 if version_id is not None:
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396 extra_qp.append("versionId=%s" % version_id)
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397 if response_headers:
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398 for k, v in response_headers.items():
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399 extra_qp.append("%s=%s" % (k, urllib.parse.quote(v)))
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400 if self.provider.security_token:
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401 headers['x-amz-security-token'] = self.provider.security_token
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402 if extra_qp:
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403 delimiter = '?' if '?' not in auth_path else '&'
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404 auth_path += delimiter + '&'.join(extra_qp)
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405 c_string = boto.utils.canonical_string(method, auth_path, headers,
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406 expires, self.provider)
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407 b64_hmac = self._auth_handler.sign_string(c_string)
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408 encoded_canonical = urllib.parse.quote(b64_hmac, safe='')
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409 self.calling_format.build_path_base(bucket, key)
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410 if query_auth:
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parents:
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411 query_part = '?' + self.QueryString % (encoded_canonical, expires,
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412 self.aws_access_key_id)
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413 else:
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414 query_part = ''
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415 if headers:
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416 hdr_prefix = self.provider.header_prefix
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417 for k, v in headers.items():
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418 if k.startswith(hdr_prefix):
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419 # headers used for sig generation must be
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parents:
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420 # included in the url also.
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421 extra_qp.append("%s=%s" % (k, urllib.parse.quote(v)))
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422 if extra_qp:
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423 delimiter = '?' if not query_part else '&'
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424 query_part += delimiter + '&'.join(extra_qp)
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425 if force_http:
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426 protocol = 'http'
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427 port = 80
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428 else:
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429 protocol = self.protocol
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430 port = self.port
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parents:
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431 return self.calling_format.build_url_base(self, protocol,
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432 self.server_name(port),
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433 bucket, key) + query_part
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parents:
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434
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parents:
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435 def get_all_buckets(self, headers=None):
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436 response = self.make_request('GET', headers=headers)
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437 body = response.read()
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parents:
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438 if response.status > 300:
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parents:
diff changeset
439 raise self.provider.storage_response_error(
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440 response.status, response.reason, body)
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441 rs = ResultSet([('Bucket', self.bucket_class)])
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442 h = handler.XmlHandler(rs, self)
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443 if not isinstance(body, bytes):
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444 body = body.encode('utf-8')
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diff changeset
445 xml.sax.parseString(body, h)
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446 return rs
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parents:
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447
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parents:
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448 def get_canonical_user_id(self, headers=None):
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449 """
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
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450 Convenience method that returns the "CanonicalUserID" of the
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
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451 user who's credentials are associated with the connection.
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452 The only way to get this value is to do a GET request on the
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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parents:
diff changeset
453 service which returns all buckets associated with the account.
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454 As part of that response, the canonical userid is returned.
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parents:
diff changeset
455 This method simply does all of that and then returns just the
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
456 user id.
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bcclaywell
parents:
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457
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bcclaywell
parents:
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458 :rtype: string
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parents:
diff changeset
459 :return: A string containing the canonical user id.
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parents:
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460 """
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461 rs = self.get_all_buckets(headers=headers)
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462 return rs.owner.id
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bcclaywell
parents:
diff changeset
463
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464 def get_bucket(self, bucket_name, validate=True, headers=None):
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bcclaywell
parents:
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465 """
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bcclaywell
parents:
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466 Retrieves a bucket by name.
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parents:
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467
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468 If the bucket does not exist, an ``S3ResponseError`` will be raised. If
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
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diff changeset
469 you are unsure if the bucket exists or not, you can use the
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
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diff changeset
470 ``S3Connection.lookup`` method, which will either return a valid bucket
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parents:
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471 or ``None``.
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parents:
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472
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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473 If ``validate=False`` is passed, no request is made to the service (no
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
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474 charge/communication delay). This is only safe to do if you are **sure**
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bcclaywell
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diff changeset
475 the bucket exists.
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bcclaywell
parents:
diff changeset
476
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477 If the default ``validate=True`` is passed, a request is made to the
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
478 service to ensure the bucket exists. Prior to Boto v2.25.0, this fetched
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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479 a list of keys (but with a max limit set to ``0``, always returning an empty
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480 list) in the bucket (& included better error messages), at an
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
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481 increased expense. As of Boto v2.25.0, this now performs a HEAD request
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
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482 (less expensive but worse error messages).
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parents:
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483
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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484 If you were relying on parsing the error message before, you should call
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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parents:
diff changeset
485 something like::
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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parents:
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486
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487 bucket = conn.get_bucket('<bucket_name>', validate=False)
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488 bucket.get_all_keys(maxkeys=0)
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parents:
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489
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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parents:
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490 :type bucket_name: string
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diff changeset
491 :param bucket_name: The name of the bucket
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492
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493 :type headers: dict
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494 :param headers: Additional headers to pass along with the request to
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
495 AWS.
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parents:
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496
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497 :type validate: boolean
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498 :param validate: If ``True``, it will try to verify the bucket exists
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parents:
diff changeset
499 on the service-side. (Default: ``True``)
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diff changeset
500 """
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diff changeset
501 if validate:
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502 return self.head_bucket(bucket_name, headers=headers)
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503 else:
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504 return self.bucket_class(self, bucket_name)
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diff changeset
505
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diff changeset
506 def head_bucket(self, bucket_name, headers=None):
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parents:
diff changeset
507 """
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diff changeset
508 Determines if a bucket exists by name.
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parents:
diff changeset
509
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diff changeset
510 If the bucket does not exist, an ``S3ResponseError`` will be raised.
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parents:
diff changeset
511
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diff changeset
512 :type bucket_name: string
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diff changeset
513 :param bucket_name: The name of the bucket
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parents:
diff changeset
514
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515 :type headers: dict
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diff changeset
516 :param headers: Additional headers to pass along with the request to
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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parents:
diff changeset
517 AWS.
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parents:
diff changeset
518
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519 :returns: A <Bucket> object
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parents:
diff changeset
520 """
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521 response = self.make_request('HEAD', bucket_name, headers=headers)
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522 body = response.read()
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523 if response.status == 200:
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524 return self.bucket_class(self, bucket_name)
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525 elif response.status == 403:
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diff changeset
526 # For backward-compatibility, we'll populate part of the exception
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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diff changeset
527 # with the most-common default.
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528 err = self.provider.storage_response_error(
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529 response.status,
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530 response.reason,
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531 body
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532 )
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533 err.error_code = 'AccessDenied'
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534 err.error_message = 'Access Denied'
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535 raise err
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536 elif response.status == 404:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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537 # For backward-compatibility, we'll populate part of the exception
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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diff changeset
538 # with the most-common default.
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539 err = self.provider.storage_response_error(
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540 response.status,
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541 response.reason,
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542 body
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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543 )
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544 err.error_code = 'NoSuchBucket'
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545 err.error_message = 'The specified bucket does not exist'
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546 raise err
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547 else:
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548 raise self.provider.storage_response_error(
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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549 response.status, response.reason, body)
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550
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551 def lookup(self, bucket_name, validate=True, headers=None):
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552 """
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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553 Attempts to get a bucket from S3.
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554
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555 Works identically to ``S3Connection.get_bucket``, save for that it
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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556 will return ``None`` if the bucket does not exist instead of throwing
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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parents:
diff changeset
557 an exception.
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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558
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559 :type bucket_name: string
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diff changeset
560 :param bucket_name: The name of the bucket
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diff changeset
561
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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562 :type headers: dict
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diff changeset
563 :param headers: Additional headers to pass along with the request to
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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parents:
diff changeset
564 AWS.
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parents:
diff changeset
565
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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566 :type validate: boolean
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567 :param validate: If ``True``, it will try to fetch all keys within the
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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568 given bucket. (Default: ``True``)
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parents:
diff changeset
569 """
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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diff changeset
570 try:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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571 bucket = self.get_bucket(bucket_name, validate, headers=headers)
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572 except:
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573 bucket = None
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574 return bucket
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parents:
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575
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576 def create_bucket(self, bucket_name, headers=None,
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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diff changeset
577 location=Location.DEFAULT, policy=None):
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diff changeset
578 """
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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579 Creates a new located bucket. By default it's in the USA. You can pass
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
580 Location.EU to create a European bucket (S3) or European Union bucket
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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parents:
diff changeset
581 (GCS).
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
582
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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parents:
diff changeset
583 :type bucket_name: string
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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parents:
diff changeset
584 :param bucket_name: The name of the new bucket
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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parents:
diff changeset
585
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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586 :type headers: dict
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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diff changeset
587 :param headers: Additional headers to pass along with the request to AWS.
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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parents:
diff changeset
588
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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parents:
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589 :type location: str
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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parents:
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590 :param location: The location of the new bucket. You can use one of the
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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parents:
diff changeset
591 constants in :class:`boto.s3.connection.Location` (e.g. Location.EU,
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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parents:
diff changeset
592 Location.USWest, etc.).
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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parents:
diff changeset
593
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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parents:
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594 :type policy: :class:`boto.s3.acl.CannedACLStrings`
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parents:
diff changeset
595 :param policy: A canned ACL policy that will be applied to the
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596 new key in S3.
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parents:
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597
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598 """
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599 check_lowercase_bucketname(bucket_name)
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parents:
diff changeset
600
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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parents:
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601 if policy:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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602 if headers:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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603 headers[self.provider.acl_header] = policy
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604 else:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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parents:
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605 headers = {self.provider.acl_header: policy}
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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parents:
diff changeset
606 if location == Location.DEFAULT:
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parents:
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607 data = ''
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parents:
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608 else:
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parents:
diff changeset
609 data = '<CreateBucketConfiguration><LocationConstraint>' + \
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parents:
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610 location + '</LocationConstraint></CreateBucketConfiguration>'
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parents:
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611 response = self.make_request('PUT', bucket_name, headers=headers,
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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parents:
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612 data=data)
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parents:
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613 body = response.read()
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614 if response.status == 409:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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615 raise self.provider.storage_create_error(
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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616 response.status, response.reason, body)
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diff changeset
617 if response.status == 200:
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618 return self.bucket_class(self, bucket_name)
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619 else:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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diff changeset
620 raise self.provider.storage_response_error(
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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diff changeset
621 response.status, response.reason, body)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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diff changeset
622
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623 def delete_bucket(self, bucket, headers=None):
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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624 """
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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625 Removes an S3 bucket.
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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626
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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627 In order to remove the bucket, it must first be empty. If the bucket is
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628 not empty, an ``S3ResponseError`` will be raised.
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629
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630 :type bucket_name: string
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631 :param bucket_name: The name of the bucket
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632
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633 :type headers: dict
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634 :param headers: Additional headers to pass along with the request to
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635 AWS.
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636 """
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637 response = self.make_request('DELETE', bucket, headers=headers)
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638 body = response.read()
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639 if response.status != 204:
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640 raise self.provider.storage_response_error(
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641 response.status, response.reason, body)
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642
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643 def make_request(self, method, bucket='', key='', headers=None, data='',
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644 query_args=None, sender=None, override_num_retries=None,
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645 retry_handler=None):
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646 if isinstance(bucket, self.bucket_class):
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647 bucket = bucket.name
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648 if isinstance(key, Key):
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649 key = key.name
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650 path = self.calling_format.build_path_base(bucket, key)
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651 boto.log.debug('path=%s' % path)
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652 auth_path = self.calling_format.build_auth_path(bucket, key)
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653 boto.log.debug('auth_path=%s' % auth_path)
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654 host = self.calling_format.build_host(self.server_name(), bucket)
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655 if query_args:
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656 path += '?' + query_args
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657 boto.log.debug('path=%s' % path)
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658 auth_path += '?' + query_args
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659 boto.log.debug('auth_path=%s' % auth_path)
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660 return super(S3Connection, self).make_request(
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661 method, path, headers,
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662 data, host, auth_path, sender,
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663 override_num_retries=override_num_retries,
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664 retry_handler=retry_handler
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665 )