Revision d88ba587 kamaki/clients/storage.py
| b/kamaki/clients/storage.py | ||
|---|---|---|
| 43 | 43 |
self.account = account |
| 44 | 44 |
self.container = container |
| 45 | 45 |
|
| 46 |
def assert_account(self): |
|
| 46 |
def _assert_account(self):
|
|
| 47 | 47 |
if not self.account: |
| 48 | 48 |
raise ClientError("No account provided")
|
| 49 | 49 |
|
| 50 |
def assert_container(self): |
|
| 51 |
self.assert_account() |
|
| 50 |
def _assert_container(self):
|
|
| 51 |
self._assert_account()
|
|
| 52 | 52 |
if not self.container: |
| 53 | 53 |
raise ClientError("No container provided")
|
| 54 | 54 |
|
| 55 | 55 |
def get_account_info(self): |
| 56 |
self.assert_account() |
|
| 56 |
""" |
|
| 57 |
:returns: (dict) |
|
| 58 |
""" |
|
| 59 |
self._assert_account() |
|
| 57 | 60 |
path = path4url(self.account) |
| 58 | 61 |
r = self.head(path, success=(204, 401)) |
| 59 | 62 |
if r.status_code == 401: |
| ... | ... | |
| 62 | 65 |
return reply |
| 63 | 66 |
|
| 64 | 67 |
def replace_account_meta(self, metapairs): |
| 65 |
self.assert_account() |
|
| 68 |
""" |
|
| 69 |
:param metapais: (dict) key:val metadata pairs |
|
| 70 |
""" |
|
| 71 |
self._assert_account() |
|
| 66 | 72 |
path = path4url(self.account) |
| 67 | 73 |
for key, val in metapairs: |
| 68 | 74 |
self.set_header('X-Account-Meta-' + key, val)
|
| ... | ... | |
| 70 | 76 |
r.release() |
| 71 | 77 |
|
| 72 | 78 |
def del_account_meta(self, metakey): |
| 79 |
""" |
|
| 80 |
:param metakey: (str) metadatum key |
|
| 81 |
""" |
|
| 73 | 82 |
headers = self.get_account_info() |
| 74 | 83 |
self.headers = filter_out(headers, |
| 75 | 84 |
'X-Account-Meta-' + metakey, |
| ... | ... | |
| 81 | 90 |
r.release() |
| 82 | 91 |
|
| 83 | 92 |
def create_container(self, container): |
| 84 |
self.assert_account() |
|
| 93 |
""" |
|
| 94 |
:param container: (str) |
|
| 95 |
|
|
| 96 |
:raises ClientError: 202 Container already exists |
|
| 97 |
""" |
|
| 98 |
self._assert_account() |
|
| 85 | 99 |
path = path4url(self.account, container) |
| 86 | 100 |
r = self.put(path, success=(201, 202)) |
| 101 |
r.release() |
|
| 87 | 102 |
if r.status_code == 202: |
| 88 | 103 |
raise ClientError("Container already exists", r.status_code)
|
| 89 | 104 |
|
| 90 | 105 |
def get_container_info(self, container): |
| 91 |
self.assert_account() |
|
| 106 |
""" |
|
| 107 |
:param container: (str) |
|
| 108 |
|
|
| 109 |
:returns: (dict) |
|
| 110 |
|
|
| 111 |
:raises ClientError: 404 Container does not exist |
|
| 112 |
""" |
|
| 113 |
self._assert_account() |
|
| 92 | 114 |
path = path4url(self.account, container) |
| 93 | 115 |
r = self.head(path, success=(204, 404)) |
| 94 | 116 |
if r.status_code == 404: |
| ... | ... | |
| 97 | 119 |
return reply |
| 98 | 120 |
|
| 99 | 121 |
def delete_container(self, container): |
| 100 |
self.assert_account() |
|
| 122 |
""" |
|
| 123 |
:param container: (str) |
|
| 124 |
|
|
| 125 |
:raises ClientError: 404 Container does not exist |
|
| 126 |
:raises ClientError: 409 Container not empty |
|
| 127 |
""" |
|
| 128 |
self._assert_account() |
|
| 101 | 129 |
path = path4url(self.account, container) |
| 102 | 130 |
r = self.delete(path, success=(204, 404, 409)) |
| 103 | 131 |
if r.status_code == 404: |
| ... | ... | |
| 106 | 134 |
raise ClientError("Container is not empty", r.status_code)
|
| 107 | 135 |
|
| 108 | 136 |
def list_containers(self): |
| 109 |
self.assert_account() |
|
| 137 |
""" |
|
| 138 |
:returns: (dict) |
|
| 139 |
""" |
|
| 140 |
self._assert_account() |
|
| 110 | 141 |
self.set_param('format', 'json')
|
| 111 | 142 |
path = path4url(self.account) |
| 112 | 143 |
r = self.get(path, success=(200, 204)) |
| 113 | 144 |
reply = r.json |
| 114 | 145 |
return reply |
| 115 | 146 |
|
| 116 |
def upload_object(self, object, f, size=None): |
|
| 117 |
# This is a naive implementation, it loads the whole file in memory |
|
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#Look in pithos for a nice implementation |
|
| 119 |
self.assert_container() |
|
| 120 |
path = path4url(self.account, self.container, object) |
|
| 147 |
def upload_object(self, obj, f, size=None): |
|
| 148 |
""" A simple (naive) implementation. |
|
| 149 |
|
|
| 150 |
:param obj: (str) |
|
| 151 |
|
|
| 152 |
:param f: an open for reading file descriptor |
|
| 153 |
|
|
| 154 |
:param size: (int) number of bytes to upload |
|
| 155 |
""" |
|
| 156 |
self._assert_container() |
|
| 157 |
path = path4url(self.account, self.container, obj) |
|
| 121 | 158 |
data = f.read(size) if size is not None else f.read() |
| 122 | 159 |
r = self.put(path, data=data, success=201) |
| 123 | 160 |
r.release() |
| 124 | 161 |
|
| 125 |
def create_directory(self, object): |
|
| 126 |
self.assert_container() |
|
| 127 |
path = path4url(self.account, self.container, object) |
|
| 162 |
def create_directory(self, obj): |
|
| 163 |
""" |
|
| 164 |
:param obj: (str) directory-object name |
|
| 165 |
""" |
|
| 166 |
self._assert_container() |
|
| 167 |
path = path4url(self.account, self.container, obj) |
|
| 128 | 168 |
self.set_header('Content-Type', 'application/directory')
|
| 129 | 169 |
self.set_header('Content-length', '0')
|
| 130 | 170 |
r = self.put(path, success=201) |
| 131 | 171 |
r.release() |
| 132 | 172 |
|
| 133 |
def get_object_info(self, object): |
|
| 134 |
self.assert_container() |
|
| 135 |
path = path4url(self.account, self.container, object) |
|
| 173 |
def get_object_info(self, obj): |
|
| 174 |
""" |
|
| 175 |
:param obj: (str) |
|
| 176 |
|
|
| 177 |
:returns: (dict) |
|
| 178 |
""" |
|
| 179 |
self._assert_container() |
|
| 180 |
path = path4url(self.account, self.container, obj) |
|
| 136 | 181 |
r = self.head(path, success=200) |
| 137 | 182 |
reply = r.headers |
| 138 | 183 |
return reply |
| 139 | 184 |
|
| 140 |
def get_object_meta(self, object): |
|
| 141 |
r = filter_in(self.get_object_info(object), 'X-Object-Meta-') |
|
| 185 |
def get_object_meta(self, obj): |
|
| 186 |
""" |
|
| 187 |
:param obj: (str) |
|
| 188 |
|
|
| 189 |
:returns: (dict) |
|
| 190 |
""" |
|
| 191 |
r = filter_in(self.get_object_info(obj), 'X-Object-Meta-') |
|
| 142 | 192 |
reply = {}
|
| 143 | 193 |
for (key, val) in r.items(): |
| 144 | 194 |
metakey = key.split('-')[-1]
|
| ... | ... | |
| 146 | 196 |
return reply |
| 147 | 197 |
|
| 148 | 198 |
def del_object_meta(self, obj, metakey): |
| 149 |
self.assert_container() |
|
| 199 |
""" |
|
| 200 |
:param obj: (str) |
|
| 201 |
|
|
| 202 |
:param metakey: (str) the metadatum key |
|
| 203 |
""" |
|
| 204 |
self._assert_container() |
|
| 150 | 205 |
self.set_header('X-Object-Meta-' + metakey, '')
|
| 151 | 206 |
path = path4url(self.account, self.container, obj) |
| 152 | 207 |
r = self.post(path, success=202) |
| 153 | 208 |
r.release() |
| 154 | 209 |
|
| 155 | 210 |
def replace_object_meta(self, metapairs): |
| 156 |
self.assert_container() |
|
| 211 |
""" |
|
| 212 |
:param metapairs: (dict) key:val metadata |
|
| 213 |
""" |
|
| 214 |
self._assert_container() |
|
| 157 | 215 |
path = path4url(self.account, self.container) |
| 158 | 216 |
for key, val in metapairs: |
| 159 | 217 |
self.set_header('X-Object-Meta-' + key, val)
|
| 160 | 218 |
r = self.post(path, success=202) |
| 161 | 219 |
r.release() |
| 162 | 220 |
|
| 163 |
def get_object(self, object): |
|
| 164 |
self.assert_container() |
|
| 165 |
path = path4url(self.account, self.container, object) |
|
| 221 |
def get_object(self, obj): |
|
| 222 |
""" |
|
| 223 |
:param obj: (str) |
|
| 224 |
|
|
| 225 |
:returns: (int, int) # of objects, size in bytes |
|
| 226 |
""" |
|
| 227 |
self._assert_container() |
|
| 228 |
path = path4url(self.account, self.container, obj) |
|
| 166 | 229 |
r = self.get(path, success=200) |
| 167 | 230 |
size = int(r.headers['content-length']) |
| 168 | 231 |
cnt = r.content |
| ... | ... | |
| 170 | 233 |
|
| 171 | 234 |
def copy_object(self, src_container, src_object, dst_container, |
| 172 | 235 |
dst_object=False): |
| 173 |
self.assert_account() |
|
| 236 |
"""Copy an objects from src_contaier:src_object to |
|
| 237 |
dst_container[:dst_object] |
|
| 238 |
|
|
| 239 |
:param src_container: (str) |
|
| 240 |
|
|
| 241 |
:param src_object: (str) |
|
| 242 |
|
|
| 243 |
:param dst_container: (str) |
|
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|
|
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:param dst_object: (str) |
|
| 246 |
""" |
|
| 247 |
self._assert_account() |
|
| 174 | 248 |
dst_object = dst_object or src_object |
| 175 | 249 |
dst_path = path4url(self.account, dst_container, dst_object) |
| 176 | 250 |
self.set_header('X-Copy-From', path4url(src_container, src_object))
|
| ... | ... | |
| 180 | 254 |
|
| 181 | 255 |
def move_object(self, src_container, src_object, dst_container, |
| 182 | 256 |
dst_object=False): |
| 183 |
self.assert_account() |
|
| 257 |
"""Move an objects from src_contaier:src_object to |
|
| 258 |
dst_container[:dst_object] |
|
| 259 |
|
|
| 260 |
:param src_container: (str) |
|
| 261 |
|
|
| 262 |
:param src_object: (str) |
|
| 263 |
|
|
| 264 |
:param dst_container: (str) |
|
| 265 |
|
|
| 266 |
:param dst_object: (str) |
|
| 267 |
""" |
|
| 268 |
self._assert_account() |
|
| 184 | 269 |
dst_object = dst_object or src_object |
| 185 | 270 |
dst_path = path4url(self.account, dst_container, dst_object) |
| 186 | 271 |
self.set_header('X-Move-From', path4url(src_container, src_object))
|
| ... | ... | |
| 188 | 273 |
r = self.put(dst_path, success=201) |
| 189 | 274 |
r.release() |
| 190 | 275 |
|
| 191 |
def delete_object(self, object): |
|
| 192 |
self.assert_container() |
|
| 193 |
path = path4url(self.account, self.container, object) |
|
| 276 |
def delete_object(self, obj): |
|
| 277 |
""" |
|
| 278 |
:param obj: (str) |
|
| 279 |
|
|
| 280 |
:raises ClientError: 404 Object not found |
|
| 281 |
""" |
|
| 282 |
self._assert_container() |
|
| 283 |
path = path4url(self.account, self.container, obj) |
|
| 194 | 284 |
r = self.delete(path, success=(204, 404)) |
| 195 | 285 |
if r.status_code == 404: |
| 196 |
raise ClientError("Object %s not found" % object, r.status_code)
|
|
| 286 |
raise ClientError("Object %s not found" % obj, r.status_code)
|
|
| 197 | 287 |
|
| 198 | 288 |
def list_objects(self): |
| 199 |
self.assert_container() |
|
| 289 |
""" |
|
| 290 |
:returns: (dict) |
|
| 291 |
|
|
| 292 |
:raises ClientError: 404 Invalid account |
|
| 293 |
""" |
|
| 294 |
self._assert_container() |
|
| 200 | 295 |
path = path4url(self.account, self.container) |
| 201 | 296 |
self.set_param('format', 'json')
|
| 202 | 297 |
r = self.get(path, success=(200, 204, 304, 404), ) |
| 203 | 298 |
if r.status_code == 404: |
| 204 | 299 |
raise ClientError(\ |
| 205 |
"Incorrect account (%s) for that container" % self.account,
|
|
| 300 |
"Invalid account (%s) for that container" % self.account,
|
|
| 206 | 301 |
r.status_code) |
| 207 | 302 |
elif r.status_code == 304: |
| 208 | 303 |
return [] |
| ... | ... | |
| 210 | 305 |
return reply |
| 211 | 306 |
|
| 212 | 307 |
def list_objects_in_path(self, path_prefix): |
| 213 |
self.assert_container() |
|
| 308 |
""" |
|
| 309 |
:param path_prefix: (str) |
|
| 310 |
|
|
| 311 |
:raises ClientError: 404 Invalid account |
|
| 312 |
|
|
| 313 |
:returns: (dict) |
|
| 314 |
""" |
|
| 315 |
self._assert_container() |
|
| 214 | 316 |
path = path4url(self.account, self.container) |
| 215 | 317 |
self.set_param('format', 'json')
|
| 216 | 318 |
self.set_param('path', 'path_prefix')
|
| 217 | 319 |
r = self.get(path, success=(200, 204, 404)) |
| 218 | 320 |
if r.status_code == 404: |
| 219 | 321 |
raise ClientError(\ |
| 220 |
"Incorrect account (%s) for that container" % self.account,
|
|
| 322 |
"Invalid account (%s) for that container" % self.account,
|
|
| 221 | 323 |
r.status_code) |
| 222 | 324 |
reply = r.json |
| 223 | 325 |
return reply |
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