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annotate venv/lib/python2.7/site-packages/boto/storage_uri.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 2010 Google Inc.
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2 # Copyright (c) 2011, Nexenta Systems Inc.
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3 #
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4 # Permission is hereby granted, free of charge, to any person obtaining a
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5 # copy of this software and associated documentation files (the
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6 # "Software"), to deal in the Software without restriction, including
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7 # without limitation the rights to use, copy, modify, merge, publish, dis-
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8 # tribute, sublicense, and/or sell copies of the Software, and to permit
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9 # persons to whom the Software is furnished to do so, subject to the fol-
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10 # lowing conditions:
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11 #
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12 # The above copyright notice and this permission notice shall be included
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13 # in all copies or substantial portions of the Software.
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14 #
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15 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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16 # OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
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17 # ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
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18 # SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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19 # WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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20 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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21 # IN THE SOFTWARE.
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22
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23 import boto
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24 import os
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25 import sys
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26 import textwrap
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27 from boto.s3.deletemarker import DeleteMarker
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28 from boto.exception import BotoClientError
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29 from boto.exception import InvalidUriError
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30
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31
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32 class StorageUri(object):
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33 """
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34 Base class for representing storage provider-independent bucket and
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35 object name with a shorthand URI-like syntax.
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36
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37 This is an abstract class: the constructor cannot be called (throws an
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38 exception if you try).
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39 """
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40
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41 connection = None
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42 # Optional args that can be set from one of the concrete subclass
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43 # constructors, to change connection behavior (e.g., to override
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44 # https_connection_factory).
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45 connection_args = None
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46
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47 # Map of provider scheme ('s3' or 'gs') to AWSAuthConnection object. We
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48 # maintain a pool here in addition to the connection pool implemented
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49 # in AWSAuthConnection because the latter re-creates its connection pool
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50 # every time that class is instantiated (so the current pool is used to
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51 # avoid re-instantiating AWSAuthConnection).
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52 provider_pool = {}
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53
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54 def __init__(self):
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55 """Uncallable constructor on abstract base StorageUri class.
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56 """
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57 raise BotoClientError('Attempt to instantiate abstract StorageUri '
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58 'class')
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59
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60 def __repr__(self):
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61 """Returns string representation of URI."""
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62 return self.uri
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63
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64 def equals(self, uri):
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65 """Returns true if two URIs are equal."""
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66 return self.uri == uri.uri
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67
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68 def check_response(self, resp, level, uri):
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69 if resp is None:
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70 raise InvalidUriError('\n'.join(textwrap.wrap(
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71 'Attempt to get %s for "%s" failed. This can happen if '
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72 'the URI refers to a non-existent object or if you meant to '
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73 'operate on a directory (e.g., leaving off -R option on gsutil '
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74 'cp, mv, or ls of a bucket)' % (level, uri), 80)))
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75
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76 def _check_bucket_uri(self, function_name):
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77 if issubclass(type(self), BucketStorageUri) and not self.bucket_name:
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78 raise InvalidUriError(
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79 '%s on bucket-less URI (%s)' % (function_name, self.uri))
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80
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81 def _check_object_uri(self, function_name):
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82 if issubclass(type(self), BucketStorageUri) and not self.object_name:
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83 raise InvalidUriError('%s on object-less URI (%s)' %
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84 (function_name, self.uri))
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85
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86 def _warn_about_args(self, function_name, **args):
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87 for arg in args:
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88 if args[arg]:
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89 sys.stderr.write(
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90 'Warning: %s ignores argument: %s=%s\n' %
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91 (function_name, arg, str(args[arg])))
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92
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93 def connect(self, access_key_id=None, secret_access_key=None, **kwargs):
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94 """
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95 Opens a connection to appropriate provider, depending on provider
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96 portion of URI. Requires Credentials defined in boto config file (see
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97 boto/pyami/config.py).
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98 @type storage_uri: StorageUri
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99 @param storage_uri: StorageUri specifying a bucket or a bucket+object
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100 @rtype: L{AWSAuthConnection<boto.gs.connection.AWSAuthConnection>}
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101 @return: A connection to storage service provider of the given URI.
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102 """
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103 connection_args = dict(self.connection_args or ())
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104
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105 if (hasattr(self, 'suppress_consec_slashes') and
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106 'suppress_consec_slashes' not in connection_args):
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107 connection_args['suppress_consec_slashes'] = (
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108 self.suppress_consec_slashes)
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109 connection_args.update(kwargs)
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110 if not self.connection:
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111 if self.scheme in self.provider_pool:
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112 self.connection = self.provider_pool[self.scheme]
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113 elif self.scheme == 's3':
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114 from boto.s3.connection import S3Connection
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115 self.connection = S3Connection(access_key_id,
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116 secret_access_key,
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117 **connection_args)
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118 self.provider_pool[self.scheme] = self.connection
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119 elif self.scheme == 'gs':
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120 from boto.gs.connection import GSConnection
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121 # Use OrdinaryCallingFormat instead of boto-default
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122 # SubdomainCallingFormat because the latter changes the hostname
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123 # that's checked during cert validation for HTTPS connections,
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124 # which will fail cert validation (when cert validation is
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125 # enabled).
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126 #
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127 # The same is not true for S3's HTTPS certificates. In fact,
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128 # we don't want to do this for S3 because S3 requires the
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129 # subdomain to match the location of the bucket. If the proper
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130 # subdomain is not used, the server will return a 301 redirect
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131 # with no Location header.
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132 #
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133 # Note: the following import can't be moved up to the
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134 # start of this file else it causes a config import failure when
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135 # run from the resumable upload/download tests.
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136 from boto.s3.connection import OrdinaryCallingFormat
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137 connection_args['calling_format'] = OrdinaryCallingFormat()
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138 self.connection = GSConnection(access_key_id,
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139 secret_access_key,
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140 **connection_args)
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141 self.provider_pool[self.scheme] = self.connection
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142 elif self.scheme == 'file':
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143 from boto.file.connection import FileConnection
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144 self.connection = FileConnection(self)
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145 else:
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146 raise InvalidUriError('Unrecognized scheme "%s"' %
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147 self.scheme)
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148 self.connection.debug = self.debug
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149 return self.connection
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150
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151 def has_version(self):
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152 return (issubclass(type(self), BucketStorageUri)
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153 and ((self.version_id is not None)
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154 or (self.generation is not None)))
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155
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156 def delete_key(self, validate=False, headers=None, version_id=None,
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157 mfa_token=None):
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158 self._check_object_uri('delete_key')
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159 bucket = self.get_bucket(validate, headers)
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160 return bucket.delete_key(self.object_name, headers, version_id,
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161 mfa_token)
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162
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163 def list_bucket(self, prefix='', delimiter='', headers=None,
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164 all_versions=False):
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165 self._check_bucket_uri('list_bucket')
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166 bucket = self.get_bucket(headers=headers)
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167 if all_versions:
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168 return (v for v in bucket.list_versions(
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169 prefix=prefix, delimiter=delimiter, headers=headers)
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170 if not isinstance(v, DeleteMarker))
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171 else:
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172 return bucket.list(prefix=prefix, delimiter=delimiter,
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173 headers=headers)
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174
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175 def get_all_keys(self, validate=False, headers=None, prefix=None):
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176 bucket = self.get_bucket(validate, headers)
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177 return bucket.get_all_keys(headers)
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178
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179 def get_bucket(self, validate=False, headers=None):
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180 self._check_bucket_uri('get_bucket')
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181 conn = self.connect()
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182 bucket = conn.get_bucket(self.bucket_name, validate, headers)
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183 self.check_response(bucket, 'bucket', self.uri)
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184 return bucket
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185
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186 def get_key(self, validate=False, headers=None, version_id=None):
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187 self._check_object_uri('get_key')
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188 bucket = self.get_bucket(validate, headers)
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189 key = bucket.get_key(self.object_name, headers, version_id)
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190 self.check_response(key, 'key', self.uri)
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191 return key
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192
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193 def new_key(self, validate=False, headers=None):
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194 self._check_object_uri('new_key')
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195 bucket = self.get_bucket(validate, headers)
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196 return bucket.new_key(self.object_name)
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197
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198 def get_contents_to_stream(self, fp, headers=None, version_id=None):
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199 self._check_object_uri('get_key')
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200 self._warn_about_args('get_key', validate=False)
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201 key = self.get_key(None, headers)
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202 self.check_response(key, 'key', self.uri)
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203 return key.get_contents_to_file(fp, headers, version_id=version_id)
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204
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205 def get_contents_to_file(self, fp, headers=None, cb=None, num_cb=10,
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206 torrent=False, version_id=None,
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207 res_download_handler=None, response_headers=None,
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208 hash_algs=None):
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209 self._check_object_uri('get_contents_to_file')
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210 key = self.get_key(None, headers)
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211 self.check_response(key, 'key', self.uri)
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212 if hash_algs:
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213 key.get_contents_to_file(fp, headers, cb, num_cb, torrent,
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214 version_id, res_download_handler,
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215 response_headers,
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216 hash_algs=hash_algs)
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217 else:
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218 key.get_contents_to_file(fp, headers, cb, num_cb, torrent,
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219 version_id, res_download_handler,
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220 response_headers)
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221
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222 def get_contents_as_string(self, validate=False, headers=None, cb=None,
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223 num_cb=10, torrent=False, version_id=None):
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224 self._check_object_uri('get_contents_as_string')
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225 key = self.get_key(validate, headers)
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226 self.check_response(key, 'key', self.uri)
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227 return key.get_contents_as_string(headers, cb, num_cb, torrent,
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228 version_id)
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229
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230 def acl_class(self):
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231 conn = self.connect()
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232 acl_class = conn.provider.acl_class
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233 self.check_response(acl_class, 'acl_class', self.uri)
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234 return acl_class
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235
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236 def canned_acls(self):
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237 conn = self.connect()
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238 canned_acls = conn.provider.canned_acls
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239 self.check_response(canned_acls, 'canned_acls', self.uri)
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240 return canned_acls
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241
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242
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243 class BucketStorageUri(StorageUri):
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244 """
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245 StorageUri subclass that handles bucket storage providers.
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246 Callers should instantiate this class by calling boto.storage_uri().
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247 """
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248
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249 delim = '/'
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250 capabilities = set([]) # A set of additional capabilities.
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251
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252 def __init__(self, scheme, bucket_name=None, object_name=None,
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253 debug=0, connection_args=None, suppress_consec_slashes=True,
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254 version_id=None, generation=None, is_latest=False):
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255 """Instantiate a BucketStorageUri from scheme,bucket,object tuple.
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256
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257 @type scheme: string
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258 @param scheme: URI scheme naming the storage provider (gs, s3, etc.)
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259 @type bucket_name: string
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260 @param bucket_name: bucket name
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261 @type object_name: string
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262 @param object_name: object name, excluding generation/version.
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263 @type debug: int
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264 @param debug: debug level to pass in to connection (range 0..2)
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265 @type connection_args: map
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266 @param connection_args: optional map containing args to be
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267 passed to {S3,GS}Connection constructor (e.g., to override
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268 https_connection_factory).
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269 @param suppress_consec_slashes: If provided, controls whether
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270 consecutive slashes will be suppressed in key paths.
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271 @param version_id: Object version id (S3-specific).
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272 @param generation: Object generation number (GCS-specific).
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273 @param is_latest: boolean indicating that a versioned object is the
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274 current version
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275
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276 After instantiation the components are available in the following
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277 fields: scheme, bucket_name, object_name, version_id, generation,
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278 is_latest, versionless_uri, version_specific_uri, uri.
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279 Note: If instantiated without version info, the string representation
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280 for a URI stays versionless; similarly, if instantiated with version
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281 info, the string representation for a URI stays version-specific. If you
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282 call one of the uri.set_contents_from_xyz() methods, a specific object
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283 version will be created, and its version-specific URI string can be
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284 retrieved from version_specific_uri even if the URI was instantiated
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285 without version info.
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286 """
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287
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288 self.scheme = scheme
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289 self.bucket_name = bucket_name
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290 self.object_name = object_name
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291 self.debug = debug
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292 if connection_args:
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293 self.connection_args = connection_args
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294 self.suppress_consec_slashes = suppress_consec_slashes
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295 self.version_id = version_id
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296 self.generation = generation and int(generation)
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297 self.is_latest = is_latest
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298 self.is_version_specific = bool(self.generation) or bool(version_id)
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299 self._build_uri_strings()
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300
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301 def _build_uri_strings(self):
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302 if self.bucket_name and self.object_name:
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303 self.versionless_uri = '%s://%s/%s' % (self.scheme, self.bucket_name,
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304 self.object_name)
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305 if self.generation:
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306 self.version_specific_uri = '%s#%s' % (self.versionless_uri,
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307 self.generation)
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308 elif self.version_id:
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309 self.version_specific_uri = '%s#%s' % (
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310 self.versionless_uri, self.version_id)
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311 if self.is_version_specific:
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312 self.uri = self.version_specific_uri
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313 else:
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314 self.uri = self.versionless_uri
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315 elif self.bucket_name:
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316 self.uri = ('%s://%s/' % (self.scheme, self.bucket_name))
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317 else:
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318 self.uri = ('%s://' % self.scheme)
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319
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320 def _update_from_key(self, key):
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321 self._update_from_values(
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322 getattr(key, 'version_id', None),
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323 getattr(key, 'generation', None),
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324 getattr(key, 'is_latest', None),
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325 getattr(key, 'md5', None))
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326
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327 def _update_from_values(self, version_id, generation, is_latest, md5):
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328 self.version_id = version_id
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329 self.generation = generation
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330 self.is_latest = is_latest
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331 self._build_uri_strings()
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332 self.md5 = md5
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333
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334 def get_key(self, validate=False, headers=None, version_id=None):
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335 self._check_object_uri('get_key')
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336 bucket = self.get_bucket(validate, headers)
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337 if self.get_provider().name == 'aws':
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338 key = bucket.get_key(self.object_name, headers,
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339 version_id=(version_id or self.version_id))
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340 elif self.get_provider().name == 'google':
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341 key = bucket.get_key(self.object_name, headers,
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342 generation=self.generation)
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343 self.check_response(key, 'key', self.uri)
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344 return key
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345
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346 def delete_key(self, validate=False, headers=None, version_id=None,
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347 mfa_token=None):
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348 self._check_object_uri('delete_key')
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349 bucket = self.get_bucket(validate, headers)
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350 if self.get_provider().name == 'aws':
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351 version_id = version_id or self.version_id
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352 return bucket.delete_key(self.object_name, headers, version_id,
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353 mfa_token)
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354 elif self.get_provider().name == 'google':
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355 return bucket.delete_key(self.object_name, headers,
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356 generation=self.generation)
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357
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358 def clone_replace_name(self, new_name):
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359 """Instantiate a BucketStorageUri from the current BucketStorageUri,
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360 but replacing the object_name.
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361
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362 @type new_name: string
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363 @param new_name: new object name
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364 """
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365 self._check_bucket_uri('clone_replace_name')
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366 return BucketStorageUri(
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367 self.scheme, bucket_name=self.bucket_name, object_name=new_name,
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368 debug=self.debug,
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parents:
diff changeset
369 suppress_consec_slashes=self.suppress_consec_slashes)
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parents:
diff changeset
370
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diff changeset
371 def clone_replace_key(self, key):
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372 """Instantiate a BucketStorageUri from the current BucketStorageUri, by
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parents:
diff changeset
373 replacing the object name with the object name and other metadata found
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diff changeset
374 in the given Key object (including generation).
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parents:
diff changeset
375
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parents:
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376 @type key: Key
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parents:
diff changeset
377 @param key: key for the new StorageUri to represent
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378 """
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379 self._check_bucket_uri('clone_replace_key')
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380 version_id = None
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381 generation = None
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382 is_latest = False
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diff changeset
383 if hasattr(key, 'version_id'):
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diff changeset
384 version_id = key.version_id
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385 if hasattr(key, 'generation'):
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diff changeset
386 generation = key.generation
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diff changeset
387 if hasattr(key, 'is_latest'):
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388 is_latest = key.is_latest
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389
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390 return BucketStorageUri(
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391 key.provider.get_provider_name(),
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392 bucket_name=key.bucket.name,
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393 object_name=key.name,
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394 debug=self.debug,
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395 suppress_consec_slashes=self.suppress_consec_slashes,
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396 version_id=version_id,
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397 generation=generation,
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398 is_latest=is_latest)
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parents:
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399
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400 def get_acl(self, validate=False, headers=None, version_id=None):
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401 """returns a bucket's acl"""
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402 self._check_bucket_uri('get_acl')
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403 bucket = self.get_bucket(validate, headers)
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404 # This works for both bucket- and object- level ACLs (former passes
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405 # key_name=None):
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406 key_name = self.object_name or ''
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407 if self.get_provider().name == 'aws':
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408 version_id = version_id or self.version_id
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409 acl = bucket.get_acl(key_name, headers, version_id)
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410 else:
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parents:
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411 acl = bucket.get_acl(key_name, headers, generation=self.generation)
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412 self.check_response(acl, 'acl', self.uri)
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413 return acl
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bcclaywell
parents:
diff changeset
414
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415 def get_def_acl(self, validate=False, headers=None):
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416 """returns a bucket's default object acl"""
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417 self._check_bucket_uri('get_def_acl')
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418 bucket = self.get_bucket(validate, headers)
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419 acl = bucket.get_def_acl(headers)
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420 self.check_response(acl, 'acl', self.uri)
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421 return acl
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parents:
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422
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423 def get_cors(self, validate=False, headers=None):
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424 """returns a bucket's CORS XML"""
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425 self._check_bucket_uri('get_cors')
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426 bucket = self.get_bucket(validate, headers)
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427 cors = bucket.get_cors(headers)
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428 self.check_response(cors, 'cors', self.uri)
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bcclaywell
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429 return cors
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430
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431 def set_cors(self, cors, validate=False, headers=None):
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432 """sets or updates a bucket's CORS XML"""
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433 self._check_bucket_uri('set_cors ')
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434 bucket = self.get_bucket(validate, headers)
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435 bucket.set_cors(cors.to_xml(), headers)
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diff changeset
436
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437 def get_location(self, validate=False, headers=None):
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438 self._check_bucket_uri('get_location')
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439 bucket = self.get_bucket(validate, headers)
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parents:
diff changeset
440 return bucket.get_location()
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441
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442 def get_storage_class(self, validate=False, headers=None):
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parents:
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443 self._check_bucket_uri('get_storage_class')
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444 # StorageClass is defined as a bucket param for GCS, but as a key
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bcclaywell
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diff changeset
445 # param for S3.
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bcclaywell
parents:
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446 if self.scheme != 'gs':
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bcclaywell
parents:
diff changeset
447 raise ValueError('get_storage_class() not supported for %s '
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
448 'URIs.' % self.scheme)
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parents:
diff changeset
449 bucket = self.get_bucket(validate, headers)
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parents:
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450 return bucket.get_storage_class()
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bcclaywell
parents:
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451
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parents:
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452 def get_subresource(self, subresource, validate=False, headers=None,
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bcclaywell
parents:
diff changeset
453 version_id=None):
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bcclaywell
parents:
diff changeset
454 self._check_bucket_uri('get_subresource')
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parents:
diff changeset
455 bucket = self.get_bucket(validate, headers)
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parents:
diff changeset
456 return bucket.get_subresource(subresource, self.object_name, headers,
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bcclaywell
parents:
diff changeset
457 version_id)
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bcclaywell
parents:
diff changeset
458
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parents:
diff changeset
459 def add_group_email_grant(self, permission, email_address, recursive=False,
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bcclaywell
parents:
diff changeset
460 validate=False, headers=None):
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bcclaywell
parents:
diff changeset
461 self._check_bucket_uri('add_group_email_grant')
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bcclaywell
parents:
diff changeset
462 if self.scheme != 'gs':
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bcclaywell
parents:
diff changeset
463 raise ValueError('add_group_email_grant() not supported for %s '
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
464 'URIs.' % self.scheme)
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bcclaywell
parents:
diff changeset
465 if self.object_name:
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bcclaywell
parents:
diff changeset
466 if recursive:
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bcclaywell
parents:
diff changeset
467 raise ValueError('add_group_email_grant() on key-ful URI cannot '
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
468 'specify recursive=True')
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bcclaywell
parents:
diff changeset
469 key = self.get_key(validate, headers)
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parents:
diff changeset
470 self.check_response(key, 'key', self.uri)
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bcclaywell
parents:
diff changeset
471 key.add_group_email_grant(permission, email_address, headers)
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bcclaywell
parents:
diff changeset
472 elif self.bucket_name:
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bcclaywell
parents:
diff changeset
473 bucket = self.get_bucket(validate, headers)
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bcclaywell
parents:
diff changeset
474 bucket.add_group_email_grant(permission, email_address, recursive,
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
475 headers)
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bcclaywell
parents:
diff changeset
476 else:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
477 raise InvalidUriError('add_group_email_grant() on bucket-less URI '
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
478 '%s' % self.uri)
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bcclaywell
parents:
diff changeset
479
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bcclaywell
parents:
diff changeset
480 def add_email_grant(self, permission, email_address, recursive=False,
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
481 validate=False, headers=None):
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
482 self._check_bucket_uri('add_email_grant')
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bcclaywell
parents:
diff changeset
483 if not self.object_name:
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bcclaywell
parents:
diff changeset
484 bucket = self.get_bucket(validate, headers)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
485 bucket.add_email_grant(permission, email_address, recursive,
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
486 headers)
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bcclaywell
parents:
diff changeset
487 else:
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bcclaywell
parents:
diff changeset
488 key = self.get_key(validate, headers)
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bcclaywell
parents:
diff changeset
489 self.check_response(key, 'key', self.uri)
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bcclaywell
parents:
diff changeset
490 key.add_email_grant(permission, email_address)
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bcclaywell
parents:
diff changeset
491
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bcclaywell
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diff changeset
492 def add_user_grant(self, permission, user_id, recursive=False,
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493 validate=False, headers=None):
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494 self._check_bucket_uri('add_user_grant')
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495 if not self.object_name:
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496 bucket = self.get_bucket(validate, headers)
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497 bucket.add_user_grant(permission, user_id, recursive, headers)
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498 else:
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499 key = self.get_key(validate, headers)
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500 self.check_response(key, 'key', self.uri)
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501 key.add_user_grant(permission, user_id)
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502
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503 def list_grants(self, headers=None):
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504 self._check_bucket_uri('list_grants ')
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505 bucket = self.get_bucket(headers)
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506 return bucket.list_grants(headers)
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507
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508 def is_file_uri(self):
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509 """Returns True if this URI names a file or directory."""
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510 return False
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511
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512 def is_cloud_uri(self):
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513 """Returns True if this URI names a bucket or object."""
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514 return True
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515
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516 def names_container(self):
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517 """
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518 Returns True if this URI names a directory or bucket. Will return
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519 False for bucket subdirs; providing bucket subdir semantics needs to
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diff changeset
520 be done by the caller (like gsutil does).
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521 """
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522 return bool(not self.object_name)
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523
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524 def names_singleton(self):
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525 """Returns True if this URI names a file or object."""
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526 return bool(self.object_name)
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527
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528 def names_directory(self):
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529 """Returns True if this URI names a directory."""
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530 return False
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531
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532 def names_provider(self):
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533 """Returns True if this URI names a provider."""
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534 return bool(not self.bucket_name)
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535
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536 def names_bucket(self):
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537 """Returns True if this URI names a bucket."""
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538 return bool(self.bucket_name) and bool(not self.object_name)
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539
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540 def names_file(self):
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diff changeset
541 """Returns True if this URI names a file."""
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542 return False
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543
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544 def names_object(self):
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diff changeset
545 """Returns True if this URI names an object."""
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546 return self.names_singleton()
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547
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548 def is_stream(self):
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549 """Returns True if this URI represents input/output stream."""
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550 return False
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551
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552 def create_bucket(self, headers=None, location='', policy=None,
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553 storage_class=None):
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554 self._check_bucket_uri('create_bucket ')
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555 conn = self.connect()
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556 # Pass storage_class param only if this is a GCS bucket. (In S3 the
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557 # storage class is specified on the key object.)
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558 if self.scheme == 'gs':
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559 return conn.create_bucket(self.bucket_name, headers, location, policy,
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560 storage_class)
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561 else:
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562 return conn.create_bucket(self.bucket_name, headers, location, policy)
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563
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564 def delete_bucket(self, headers=None):
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565 self._check_bucket_uri('delete_bucket')
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566 conn = self.connect()
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567 return conn.delete_bucket(self.bucket_name, headers)
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568
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569 def get_all_buckets(self, headers=None):
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570 conn = self.connect()
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571 return conn.get_all_buckets(headers)
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572
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573 def get_provider(self):
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574 conn = self.connect()
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575 provider = conn.provider
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576 self.check_response(provider, 'provider', self.uri)
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577 return provider
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578
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579 def set_acl(self, acl_or_str, key_name='', validate=False, headers=None,
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580 version_id=None, if_generation=None, if_metageneration=None):
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581 """Sets or updates a bucket's ACL."""
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582 self._check_bucket_uri('set_acl')
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583 key_name = key_name or self.object_name or ''
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584 bucket = self.get_bucket(validate, headers)
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585 if self.generation:
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586 bucket.set_acl(
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587 acl_or_str, key_name, headers, generation=self.generation,
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588 if_generation=if_generation, if_metageneration=if_metageneration)
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589 else:
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590 version_id = version_id or self.version_id
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591 bucket.set_acl(acl_or_str, key_name, headers, version_id)
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592
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593 def set_xml_acl(self, xmlstring, key_name='', validate=False, headers=None,
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594 version_id=None, if_generation=None, if_metageneration=None):
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595 """Sets or updates a bucket's ACL with an XML string."""
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596 self._check_bucket_uri('set_xml_acl')
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597 key_name = key_name or self.object_name or ''
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598 bucket = self.get_bucket(validate, headers)
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599 if self.generation:
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600 bucket.set_xml_acl(
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601 xmlstring, key_name, headers, generation=self.generation,
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602 if_generation=if_generation, if_metageneration=if_metageneration)
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603 else:
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604 version_id = version_id or self.version_id
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605 bucket.set_xml_acl(xmlstring, key_name, headers,
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606 version_id=version_id)
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607
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608 def set_def_xml_acl(self, xmlstring, validate=False, headers=None):
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609 """Sets or updates a bucket's default object ACL with an XML string."""
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610 self._check_bucket_uri('set_def_xml_acl')
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611 self.get_bucket(validate, headers).set_def_xml_acl(xmlstring, headers)
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612
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613 def set_def_acl(self, acl_or_str, validate=False, headers=None,
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614 version_id=None):
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615 """Sets or updates a bucket's default object ACL."""
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616 self._check_bucket_uri('set_def_acl')
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parents:
diff changeset
617 self.get_bucket(validate, headers).set_def_acl(acl_or_str, headers)
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parents:
diff changeset
618
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bcclaywell
parents:
diff changeset
619 def set_canned_acl(self, acl_str, validate=False, headers=None,
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bcclaywell
parents:
diff changeset
620 version_id=None):
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bcclaywell
parents:
diff changeset
621 """Sets or updates a bucket's acl to a predefined (canned) value."""
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bcclaywell
parents:
diff changeset
622 self._check_object_uri('set_canned_acl')
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bcclaywell
parents:
diff changeset
623 self._warn_about_args('set_canned_acl', version_id=version_id)
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bcclaywell
parents:
diff changeset
624 key = self.get_key(validate, headers)
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bcclaywell
parents:
diff changeset
625 self.check_response(key, 'key', self.uri)
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bcclaywell
parents:
diff changeset
626 key.set_canned_acl(acl_str, headers)
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parents:
diff changeset
627
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bcclaywell
parents:
diff changeset
628 def set_def_canned_acl(self, acl_str, validate=False, headers=None,
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bcclaywell
parents:
diff changeset
629 version_id=None):
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bcclaywell
parents:
diff changeset
630 """Sets or updates a bucket's default object acl to a predefined
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
631 (canned) value."""
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bcclaywell
parents:
diff changeset
632 self._check_bucket_uri('set_def_canned_acl ')
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bcclaywell
parents:
diff changeset
633 key = self.get_key(validate, headers)
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bcclaywell
parents:
diff changeset
634 self.check_response(key, 'key', self.uri)
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bcclaywell
parents:
diff changeset
635 key.set_def_canned_acl(acl_str, headers, version_id)
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bcclaywell
parents:
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636
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parents:
diff changeset
637 def set_subresource(self, subresource, value, validate=False, headers=None,
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bcclaywell
parents:
diff changeset
638 version_id=None):
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bcclaywell
parents:
diff changeset
639 self._check_bucket_uri('set_subresource')
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bcclaywell
parents:
diff changeset
640 bucket = self.get_bucket(validate, headers)
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bcclaywell
parents:
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641 bucket.set_subresource(subresource, value, self.object_name, headers,
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642 version_id)
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parents:
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643
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parents:
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644 def set_contents_from_string(self, s, headers=None, replace=True,
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645 cb=None, num_cb=10, policy=None, md5=None,
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646 reduced_redundancy=False):
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bcclaywell
parents:
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647 self._check_object_uri('set_contents_from_string')
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648 key = self.new_key(headers=headers)
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649 if self.scheme == 'gs':
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parents:
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650 if reduced_redundancy:
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parents:
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651 sys.stderr.write('Warning: GCS does not support '
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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parents:
diff changeset
652 'reduced_redundancy; argument ignored by '
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parents:
diff changeset
653 'set_contents_from_string')
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parents:
diff changeset
654 result = key.set_contents_from_string(
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bcclaywell
parents:
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655 s, headers, replace, cb, num_cb, policy, md5)
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656 else:
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parents:
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657 result = key.set_contents_from_string(
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
658 s, headers, replace, cb, num_cb, policy, md5,
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
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659 reduced_redundancy)
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bcclaywell
parents:
diff changeset
660 self._update_from_key(key)
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bcclaywell
parents:
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661 return result
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bcclaywell
parents:
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662
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bcclaywell
parents:
diff changeset
663 def set_contents_from_file(self, fp, headers=None, replace=True, cb=None,
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bcclaywell
parents:
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664 num_cb=10, policy=None, md5=None, size=None,
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
665 rewind=False, res_upload_handler=None):
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bcclaywell
parents:
diff changeset
666 self._check_object_uri('set_contents_from_file')
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bcclaywell
parents:
diff changeset
667 key = self.new_key(headers=headers)
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parents:
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668 if self.scheme == 'gs':
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bcclaywell
parents:
diff changeset
669 result = key.set_contents_from_file(
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
670 fp, headers, replace, cb, num_cb, policy, md5, size=size,
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bcclaywell
parents:
diff changeset
671 rewind=rewind, res_upload_handler=res_upload_handler)
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bcclaywell
parents:
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672 if res_upload_handler:
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bcclaywell
parents:
diff changeset
673 self._update_from_values(None, res_upload_handler.generation,
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
674 None, md5)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
675 else:
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bcclaywell
parents:
diff changeset
676 self._warn_about_args('set_contents_from_file',
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bcclaywell
parents:
diff changeset
677 res_upload_handler=res_upload_handler)
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bcclaywell
parents:
diff changeset
678 result = key.set_contents_from_file(
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bcclaywell
parents:
diff changeset
679 fp, headers, replace, cb, num_cb, policy, md5, size=size,
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bcclaywell
parents:
diff changeset
680 rewind=rewind)
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bcclaywell
parents:
diff changeset
681 self._update_from_key(key)
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bcclaywell
parents:
diff changeset
682 return result
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bcclaywell
parents:
diff changeset
683
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
684 def set_contents_from_stream(self, fp, headers=None, replace=True, cb=None,
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
685 policy=None, reduced_redundancy=False):
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
686 self._check_object_uri('set_contents_from_stream')
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bcclaywell
parents:
diff changeset
687 dst_key = self.new_key(False, headers)
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bcclaywell
parents:
diff changeset
688 result = dst_key.set_contents_from_stream(
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
689 fp, headers, replace, cb, policy=policy,
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bcclaywell
parents:
diff changeset
690 reduced_redundancy=reduced_redundancy)
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bcclaywell
parents:
diff changeset
691 self._update_from_key(dst_key)
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bcclaywell
parents:
diff changeset
692 return result
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
693
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
694 def copy_key(self, src_bucket_name, src_key_name, metadata=None,
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
695 src_version_id=None, storage_class='STANDARD',
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bcclaywell
parents:
diff changeset
696 preserve_acl=False, encrypt_key=False, headers=None,
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
697 query_args=None, src_generation=None):
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
698 """Returns newly created key."""
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
699 self._check_object_uri('copy_key')
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
700 dst_bucket = self.get_bucket(validate=False, headers=headers)
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bcclaywell
parents:
diff changeset
701 if src_generation:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
702 return dst_bucket.copy_key(
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
703 new_key_name=self.object_name,
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
704 src_bucket_name=src_bucket_name,
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
705 src_key_name=src_key_name, metadata=metadata,
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
706 storage_class=storage_class, preserve_acl=preserve_acl,
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bcclaywell
parents:
diff changeset
707 encrypt_key=encrypt_key, headers=headers, query_args=query_args,
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
708 src_generation=src_generation)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
709 else:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
710 return dst_bucket.copy_key(
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
711 new_key_name=self.object_name,
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
712 src_bucket_name=src_bucket_name, src_key_name=src_key_name,
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
713 metadata=metadata, src_version_id=src_version_id,
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bcclaywell
parents:
diff changeset
714 storage_class=storage_class, preserve_acl=preserve_acl,
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
715 encrypt_key=encrypt_key, headers=headers, query_args=query_args)
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bcclaywell
parents:
diff changeset
716
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
717 def enable_logging(self, target_bucket, target_prefix=None, validate=False,
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
718 headers=None, version_id=None):
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bcclaywell
parents:
diff changeset
719 self._check_bucket_uri('enable_logging')
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bcclaywell
parents:
diff changeset
720 bucket = self.get_bucket(validate, headers)
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bcclaywell
parents:
diff changeset
721 bucket.enable_logging(target_bucket, target_prefix, headers=headers)
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bcclaywell
parents:
diff changeset
722
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bcclaywell
parents:
diff changeset
723 def disable_logging(self, validate=False, headers=None, version_id=None):
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bcclaywell
parents:
diff changeset
724 self._check_bucket_uri('disable_logging')
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bcclaywell
parents:
diff changeset
725 bucket = self.get_bucket(validate, headers)
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bcclaywell
parents:
diff changeset
726 bucket.disable_logging(headers=headers)
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bcclaywell
parents:
diff changeset
727
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bcclaywell
parents:
diff changeset
728 def get_logging_config(self, validate=False, headers=None, version_id=None):
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
729 self._check_bucket_uri('get_logging_config')
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bcclaywell
parents:
diff changeset
730 bucket = self.get_bucket(validate, headers)
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bcclaywell
parents:
diff changeset
731 return bucket.get_logging_config(headers=headers)
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bcclaywell
parents:
diff changeset
732
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bcclaywell
parents:
diff changeset
733 def set_website_config(self, main_page_suffix=None, error_key=None,
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
734 validate=False, headers=None):
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
735 self._check_bucket_uri('set_website_config')
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bcclaywell
parents:
diff changeset
736 bucket = self.get_bucket(validate, headers)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
737 if not (main_page_suffix or error_key):
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
738 bucket.delete_website_configuration(headers)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
739 else:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
740 bucket.configure_website(main_page_suffix, error_key, headers)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
741
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bcclaywell
parents:
diff changeset
742 def get_website_config(self, validate=False, headers=None):
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
743 self._check_bucket_uri('get_website_config')
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
744 bucket = self.get_bucket(validate, headers)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
745 return bucket.get_website_configuration(headers)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
746
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bcclaywell
parents:
diff changeset
747 def get_versioning_config(self, headers=None):
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
748 self._check_bucket_uri('get_versioning_config')
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bcclaywell
parents:
diff changeset
749 bucket = self.get_bucket(False, headers)
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bcclaywell
parents:
diff changeset
750 return bucket.get_versioning_status(headers)
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bcclaywell
parents:
diff changeset
751
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bcclaywell
parents:
diff changeset
752 def configure_versioning(self, enabled, headers=None):
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
753 self._check_bucket_uri('configure_versioning')
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bcclaywell
parents:
diff changeset
754 bucket = self.get_bucket(False, headers)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
755 return bucket.configure_versioning(enabled, headers)
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bcclaywell
parents:
diff changeset
756
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bcclaywell
parents:
diff changeset
757 def set_metadata(self, metadata_plus, metadata_minus, preserve_acl,
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bcclaywell
parents:
diff changeset
758 headers=None):
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bcclaywell
parents:
diff changeset
759 return self.get_key(False).set_remote_metadata(metadata_plus,
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bcclaywell
parents:
diff changeset
760 metadata_minus,
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
761 preserve_acl,
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bcclaywell
parents:
diff changeset
762 headers=headers)
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bcclaywell
parents:
diff changeset
763
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bcclaywell
parents:
diff changeset
764 def compose(self, components, content_type=None, headers=None):
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
765 self._check_object_uri('compose')
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bcclaywell
parents:
diff changeset
766 component_keys = []
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bcclaywell
parents:
diff changeset
767 for suri in components:
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bcclaywell
parents:
diff changeset
768 component_keys.append(suri.new_key())
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bcclaywell
parents:
diff changeset
769 component_keys[-1].generation = suri.generation
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bcclaywell
parents:
diff changeset
770 self.generation = self.new_key().compose(
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
771 component_keys, content_type=content_type, headers=headers)
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bcclaywell
parents:
diff changeset
772 self._build_uri_strings()
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bcclaywell
parents:
diff changeset
773 return self
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
774
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bcclaywell
parents:
diff changeset
775 def get_lifecycle_config(self, validate=False, headers=None):
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
776 """Returns a bucket's lifecycle configuration."""
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
777 self._check_bucket_uri('get_lifecycle_config')
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bcclaywell
parents:
diff changeset
778 bucket = self.get_bucket(validate, headers)
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bcclaywell
parents:
diff changeset
779 lifecycle_config = bucket.get_lifecycle_config(headers)
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bcclaywell
parents:
diff changeset
780 self.check_response(lifecycle_config, 'lifecycle', self.uri)
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bcclaywell
parents:
diff changeset
781 return lifecycle_config
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bcclaywell
parents:
diff changeset
782
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bcclaywell
parents:
diff changeset
783 def configure_lifecycle(self, lifecycle_config, validate=False,
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
784 headers=None):
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
785 """Sets or updates a bucket's lifecycle configuration."""
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
786 self._check_bucket_uri('configure_lifecycle')
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
787 bucket = self.get_bucket(validate, headers)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
788 bucket.configure_lifecycle(lifecycle_config, headers)
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bcclaywell
parents:
diff changeset
789
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
790 def exists(self, headers=None):
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
791 """Returns True if the object exists or False if it doesn't"""
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
792 if not self.object_name:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
793 raise InvalidUriError('exists on object-less URI (%s)' % self.uri)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
794 bucket = self.get_bucket()
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
795 key = bucket.get_key(self.object_name, headers=headers)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
796 return bool(key)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
797
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
798
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
799 class FileStorageUri(StorageUri):
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
800 """
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
801 StorageUri subclass that handles files in the local file system.
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
802 Callers should instantiate this class by calling boto.storage_uri().
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
803
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
804 See file/README about how we map StorageUri operations onto a file system.
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
805 """
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
806
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
807 delim = os.sep
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
808
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
809 def __init__(self, object_name, debug, is_stream=False):
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
810 """Instantiate a FileStorageUri from a path name.
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
811
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
812 @type object_name: string
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
813 @param object_name: object name
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
814 @type debug: boolean
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
815 @param debug: whether to enable debugging on this StorageUri
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
816
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
817 After instantiation the components are available in the following
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
818 fields: uri, scheme, bucket_name (always blank for this "anonymous"
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
819 bucket), object_name.
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
820 """
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
821
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
822 self.scheme = 'file'
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
823 self.bucket_name = ''
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
824 self.object_name = object_name
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
825 self.uri = 'file://' + object_name
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
826 self.debug = debug
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
827 self.stream = is_stream
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
828
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
829 def clone_replace_name(self, new_name):
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
830 """Instantiate a FileStorageUri from the current FileStorageUri,
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
831 but replacing the object_name.
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
832
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
833 @type new_name: string
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
834 @param new_name: new object name
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
835 """
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
836 return FileStorageUri(new_name, self.debug, self.stream)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
837
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
838 def is_file_uri(self):
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
839 """Returns True if this URI names a file or directory."""
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
840 return True
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
841
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
842 def is_cloud_uri(self):
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
843 """Returns True if this URI names a bucket or object."""
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
844 return False
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
845
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
846 def names_container(self):
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
847 """Returns True if this URI names a directory or bucket."""
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
848 return self.names_directory()
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
849
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
850 def names_singleton(self):
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
851 """Returns True if this URI names a file (or stream) or object."""
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
852 return not self.names_container()
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
853
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
854 def names_directory(self):
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
855 """Returns True if this URI names a directory."""
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
856 if self.stream:
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
857 return False
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
858 return os.path.isdir(self.object_name)
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
859
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
860 def names_provider(self):
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
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861 """Returns True if this URI names a provider."""
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862 return False
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863
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864 def names_bucket(self):
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865 """Returns True if this URI names a bucket."""
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866 return False
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867
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868 def names_file(self):
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869 """Returns True if this URI names a file."""
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870 return self.names_singleton()
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871
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872 def names_object(self):
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873 """Returns True if this URI names an object."""
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874 return False
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875
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876 def is_stream(self):
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877 """Returns True if this URI represents input/output stream.
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878 """
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879 return bool(self.stream)
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880
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881 def close(self):
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882 """Closes the underlying file.
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883 """
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884 self.get_key().close()
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885
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886 def exists(self, _headers_not_used=None):
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887 """Returns True if the file exists or False if it doesn't"""
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888 # The _headers_not_used parameter is ignored. It is only there to ensure
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889 # that this method's signature is identical to the exists method on the
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890 # BucketStorageUri class.
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891 return os.path.exists(self.object_name)