86 |
86 |
pass
|
87 |
87 |
|
88 |
88 |
|
89 |
|
class ImageBackend(object):
|
|
89 |
class PithosImageBackend(object):
|
90 |
90 |
"""A wrapper arround the pithos backend to simplify image handling."""
|
91 |
|
|
|
91 |
|
92 |
92 |
def __init__(self, user):
|
93 |
93 |
self.user = user
|
94 |
|
|
|
94 |
|
95 |
95 |
original_filters = warnings.filters
|
96 |
96 |
warnings.simplefilter('ignore') # Suppress SQLAlchemy warnings
|
97 |
97 |
db_connection = settings.BACKEND_DB_CONNECTION
|
... | ... | |
99 |
99 |
self.backend = connect_backend(db_connection=db_connection,
|
100 |
100 |
block_path=block_path)
|
101 |
101 |
warnings.filters = original_filters # Restore warnings
|
102 |
|
|
|
102 |
|
103 |
103 |
def _get_image(self, location):
|
104 |
104 |
def format_timestamp(t):
|
105 |
105 |
return strftime('%Y-%m-%d %H:%M:%S', gmtime(t))
|
106 |
|
|
|
106 |
|
107 |
107 |
account, container, object = split_location(location)
|
108 |
|
|
|
108 |
|
109 |
109 |
try:
|
110 |
110 |
versions = self.backend.list_versions(self.user, account,
|
111 |
111 |
container, object)
|
112 |
112 |
except NameError:
|
113 |
113 |
return None
|
114 |
|
|
|
114 |
|
115 |
115 |
image = {}
|
116 |
|
|
|
116 |
|
117 |
117 |
meta = self._get_meta(location)
|
118 |
118 |
if meta:
|
119 |
119 |
image['deleted_at'] = ''
|
... | ... | |
122 |
122 |
version, timestamp = versions[-1]
|
123 |
123 |
meta = self._get_meta(location, version)
|
124 |
124 |
image['deleted_at'] = format_timestamp(timestamp)
|
125 |
|
|
|
125 |
|
126 |
126 |
if PLANKTON_PREFIX + 'name' not in meta:
|
127 |
127 |
return None # Not a Plankton image
|
128 |
|
|
|
128 |
|
129 |
129 |
permissions = self._get_permissions(location)
|
130 |
|
|
|
130 |
|
131 |
131 |
image['checksum'] = meta['hash']
|
132 |
132 |
image['created_at'] = format_timestamp(versions[0][1])
|
133 |
133 |
image['id'] = meta['uuid']
|
... | ... | |
138 |
138 |
image['store'] = 'pithos'
|
139 |
139 |
image['updated_at'] = format_timestamp(meta['modified'])
|
140 |
140 |
image['properties'] = {}
|
141 |
|
|
|
141 |
|
142 |
142 |
for key, val in meta.items():
|
143 |
143 |
if not key.startswith(PLANKTON_PREFIX):
|
144 |
144 |
continue
|
... | ... | |
147 |
147 |
val = json.loads(val)
|
148 |
148 |
if key in PLANKTON_META:
|
149 |
149 |
image[key] = val
|
150 |
|
|
|
150 |
|
151 |
151 |
return image
|
152 |
|
|
|
152 |
|
153 |
153 |
def _get_meta(self, location, version=None):
|
154 |
154 |
account, container, object = split_location(location)
|
155 |
155 |
try:
|
... | ... | |
157 |
157 |
object, PLANKTON_DOMAIN, version)
|
158 |
158 |
except NameError:
|
159 |
159 |
return None
|
160 |
|
|
|
160 |
|
161 |
161 |
def _get_permissions(self, location):
|
162 |
162 |
account, container, object = split_location(location)
|
163 |
163 |
action, path, permissions = self.backend.get_object_permissions(
|
164 |
164 |
self.user, account, container, object)
|
165 |
165 |
return permissions
|
166 |
|
|
|
166 |
|
167 |
167 |
def _store(self, f, size=None):
|
168 |
168 |
"""Breaks data into blocks and stores them in the backend"""
|
169 |
|
|
|
169 |
|
170 |
170 |
bytes = 0
|
171 |
171 |
hashmap = []
|
172 |
172 |
backend = self.backend
|
173 |
173 |
blocksize = backend.block_size
|
174 |
|
|
|
174 |
|
175 |
175 |
data = f.read(blocksize)
|
176 |
176 |
while data:
|
177 |
177 |
hash = backend.put_block(data)
|
178 |
178 |
hashmap.append(hash)
|
179 |
179 |
bytes += len(data)
|
180 |
180 |
data = f.read(blocksize)
|
181 |
|
|
|
181 |
|
182 |
182 |
if size and size != bytes:
|
183 |
183 |
raise BackendException("Invalid size")
|
184 |
|
|
|
184 |
|
185 |
185 |
return hashmap, bytes
|
186 |
|
|
|
186 |
|
187 |
187 |
def _update(self, location, size, hashmap, meta, permissions):
|
188 |
188 |
account, container, object = split_location(location)
|
189 |
189 |
self.backend.update_object_hashmap(self.user, account, container,
|
190 |
190 |
object, size, hashmap, '', PLANKTON_DOMAIN,
|
191 |
191 |
permissions=permissions)
|
192 |
192 |
self._update_meta(location, meta, replace=True)
|
193 |
|
|
|
193 |
|
194 |
194 |
def _update_meta(self, location, meta, replace=False):
|
195 |
195 |
account, container, object = split_location(location)
|
196 |
|
|
|
196 |
|
197 |
197 |
prefixed = {}
|
198 |
198 |
for key, val in meta.items():
|
199 |
199 |
if key == 'properties':
|
200 |
200 |
val = json.dumps(val)
|
201 |
201 |
if key in PLANKTON_META:
|
202 |
202 |
prefixed[PLANKTON_PREFIX + key] = val
|
203 |
|
|
|
203 |
|
204 |
204 |
self.backend.update_object_meta(self.user, account, container, object,
|
205 |
205 |
PLANKTON_DOMAIN, prefixed, replace)
|
206 |
|
|
|
206 |
|
207 |
207 |
def _update_permissions(self, location, permissions):
|
208 |
208 |
account, container, object = split_location(location)
|
209 |
209 |
self.backend.update_object_permissions(self.user, account, container,
|
210 |
210 |
object, permissions)
|
211 |
|
|
|
211 |
|
212 |
212 |
def add_user(self, image_id, user):
|
213 |
213 |
image = self.get_image(image_id)
|
214 |
214 |
assert image, "Image not found"
|
215 |
|
|
|
215 |
|
216 |
216 |
location = image['location']
|
217 |
217 |
permissions = self._get_permissions(location)
|
218 |
218 |
read = set(permissions.get('read', []))
|
219 |
219 |
read.add(user)
|
220 |
220 |
permissions['read'] = list(read)
|
221 |
221 |
self._update_permissions(location, permissions)
|
222 |
|
|
|
222 |
|
223 |
223 |
def close(self):
|
224 |
224 |
self.backend.close()
|
225 |
|
|
|
225 |
|
226 |
226 |
def delete(self, image_id):
|
227 |
227 |
image = self.get_image(image_id)
|
228 |
228 |
account, container, object = split_location(image['location'])
|
229 |
229 |
self.backend.delete_object(self.user, account, container, object)
|
230 |
|
|
|
230 |
|
231 |
231 |
def get_data(self, location):
|
232 |
232 |
account, container, object = split_location(location)
|
233 |
233 |
size, hashmap = self.backend.get_object_hashmap(self.user, account,
|
... | ... | |
235 |
235 |
data = ''.join(self.backend.get_block(hash) for hash in hashmap)
|
236 |
236 |
assert len(data) == size
|
237 |
237 |
return data
|
238 |
|
|
|
238 |
|
239 |
239 |
def get_image(self, image_id):
|
240 |
240 |
try:
|
241 |
241 |
account, container, object = self.backend.get_uuid(self.user,
|
242 |
242 |
image_id)
|
243 |
243 |
except NameError:
|
244 |
244 |
return None
|
245 |
|
|
|
245 |
|
246 |
246 |
location = get_location(account, container, object)
|
247 |
247 |
return self._get_image(location)
|
248 |
|
|
|
248 |
|
249 |
249 |
def iter(self):
|
250 |
250 |
"""Iter over all images available to the user"""
|
251 |
|
|
|
251 |
|
252 |
252 |
backend = self.backend
|
253 |
253 |
for account in backend.list_accounts(self.user):
|
254 |
254 |
for container in backend.list_containers(self.user, account,
|
... | ... | |
259 |
259 |
image = self._get_image(location)
|
260 |
260 |
if image:
|
261 |
261 |
yield image
|
262 |
|
|
|
262 |
|
263 |
263 |
def iter_public(self, filters=None):
|
264 |
264 |
filters = filters or {}
|
265 |
265 |
backend = self.backend
|
266 |
|
|
|
266 |
|
267 |
267 |
keys = [PLANKTON_PREFIX + 'name']
|
268 |
268 |
size_range = (None, None)
|
269 |
|
|
|
269 |
|
270 |
270 |
for key, val in filters.items():
|
271 |
271 |
if key == 'size_min':
|
272 |
272 |
size_range = (int(val), size_range[1])
|
... | ... | |
274 |
274 |
size_range = (size_range[0], int(val))
|
275 |
275 |
else:
|
276 |
276 |
keys.append('%s = %s' % (PLANKTON_PREFIX + key, val))
|
277 |
|
|
|
277 |
|
278 |
278 |
for account in backend.list_accounts(None):
|
279 |
279 |
for container in backend.list_containers(None, account,
|
280 |
280 |
shared=True):
|
... | ... | |
285 |
285 |
image = self._get_image(location)
|
286 |
286 |
if image:
|
287 |
287 |
yield image
|
288 |
|
|
|
288 |
|
289 |
289 |
def iter_shared(self, member):
|
290 |
290 |
"""Iterate over image ids shared to this member"""
|
291 |
|
|
|
291 |
|
292 |
292 |
backend = self.backend
|
293 |
|
|
|
293 |
|
294 |
294 |
# To get the list we connect as member and get the list shared by us
|
295 |
295 |
for container in backend.list_containers(member, self.user):
|
296 |
296 |
for object, version_id in backend.list_objects(member, self.user,
|
... | ... | |
303 |
303 |
yield meta['uuid']
|
304 |
304 |
except (NameError, NotAllowedError):
|
305 |
305 |
continue
|
306 |
|
|
|
306 |
|
307 |
307 |
def list(self):
|
308 |
308 |
"""Iter over all images available to the user"""
|
309 |
|
|
|
309 |
|
310 |
310 |
return list(self.iter())
|
311 |
|
|
|
311 |
|
312 |
312 |
def list_public(self, filters, params):
|
313 |
313 |
images = list(self.iter_public(filters))
|
314 |
314 |
key = itemgetter(params.get('sort_key', 'created_at'))
|
315 |
315 |
reverse = params.get('sort_dir', 'desc') == 'desc'
|
316 |
316 |
images.sort(key=key, reverse=reverse)
|
317 |
317 |
return images
|
318 |
|
|
|
318 |
|
319 |
319 |
def list_users(self, image_id):
|
320 |
320 |
image = self.get_image(image_id)
|
321 |
321 |
assert image, "Image not found"
|
322 |
|
|
|
322 |
|
323 |
323 |
permissions = self._get_permissions(image['location'])
|
324 |
324 |
return [user for user in permissions.get('read', []) if user != '*']
|
325 |
|
|
|
325 |
|
326 |
326 |
def put(self, name, f, params):
|
327 |
327 |
assert 'checksum' not in params, "Passing a checksum is not supported"
|
328 |
328 |
assert 'id' not in params, "Passing an ID is not supported"
|
... | ... | |
333 |
333 |
assert params.setdefault('container_format',
|
334 |
334 |
settings.DEFAULT_CONTAINER_FORMAT) in \
|
335 |
335 |
settings.ALLOWED_CONTAINER_FORMATS, "Invalid container_format"
|
336 |
|
|
|
336 |
|
337 |
337 |
container = settings.DEFAULT_PLANKTON_CONTAINER
|
338 |
338 |
filename = params.pop('filename', name)
|
339 |
339 |
location = 'pithos://%s/%s/%s' % (self.user, container, filename)
|
340 |
340 |
is_public = params.pop('is_public', False)
|
341 |
341 |
permissions = {'read': ['*']} if is_public else {}
|
342 |
342 |
size = params.pop('size', None)
|
343 |
|
|
|
343 |
|
344 |
344 |
hashmap, size = self._store(f, size)
|
345 |
|
|
|
345 |
|
346 |
346 |
meta = {}
|
347 |
347 |
meta['properties'] = params.pop('properties', {})
|
348 |
348 |
meta.update(name=name, status='available', **params)
|
349 |
|
|
|
349 |
|
350 |
350 |
self._update(location, size, hashmap, meta, permissions)
|
351 |
351 |
return self._get_image(location)
|
352 |
|
|
|
352 |
|
353 |
353 |
def register(self, name, location, params):
|
354 |
354 |
assert 'id' not in params, "Passing an ID is not supported"
|
355 |
355 |
assert location.startswith('pithos://'), "Invalid location"
|
... | ... | |
360 |
360 |
assert params.setdefault('container_format',
|
361 |
361 |
settings.DEFAULT_CONTAINER_FORMAT) in \
|
362 |
362 |
settings.ALLOWED_CONTAINER_FORMATS, "Invalid container_format"
|
363 |
|
|
|
363 |
|
364 |
364 |
user = self.user
|
365 |
365 |
account, container, object = split_location(location)
|
366 |
|
|
|
366 |
|
367 |
367 |
meta = self._get_meta(location)
|
368 |
368 |
assert meta, "File not found"
|
369 |
|
|
|
369 |
|
370 |
370 |
size = int(params.pop('size', meta['bytes']))
|
371 |
371 |
if size != meta['bytes']:
|
372 |
372 |
raise BackendException("Invalid size")
|
373 |
|
|
|
373 |
|
374 |
374 |
checksum = params.pop('checksum', meta['hash'])
|
375 |
375 |
if checksum != meta['hash']:
|
376 |
376 |
raise BackendException("Invalid checksum")
|
377 |
|
|
|
377 |
|
378 |
378 |
is_public = params.pop('is_public', False)
|
379 |
379 |
permissions = {'read': ['*']} if is_public else {}
|
380 |
|
|
|
380 |
|
381 |
381 |
meta = {}
|
382 |
382 |
meta['properties'] = params.pop('properties', {})
|
383 |
383 |
meta.update(name=name, status='available', **params)
|
384 |
|
|
|
384 |
|
385 |
385 |
self._update_meta(location, meta)
|
386 |
386 |
self._update_permissions(location, permissions)
|
387 |
387 |
return self._get_image(location)
|
388 |
|
|
|
388 |
|
389 |
389 |
def remove_user(self, image_id, user):
|
390 |
390 |
image = self.get_image(image_id)
|
391 |
391 |
assert image, "Image not found"
|
392 |
|
|
|
392 |
|
393 |
393 |
location = image['location']
|
394 |
394 |
permissions = self._get_permissions(location)
|
395 |
395 |
try:
|
... | ... | |
397 |
397 |
except ValueError:
|
398 |
398 |
return # User did not have access anyway
|
399 |
399 |
self._update_permissions(location, permissions)
|
400 |
|
|
|
400 |
|
401 |
401 |
def replace_users(self, image_id, users):
|
402 |
402 |
image = self.get_image(image_id)
|
403 |
403 |
assert image, "Image not found"
|
404 |
|
|
|
404 |
|
405 |
405 |
location = image['location']
|
406 |
406 |
permissions = self._get_permissions(location)
|
407 |
407 |
permissions['read'] = users
|
408 |
408 |
if image.get('is_public', False):
|
409 |
409 |
permissions['read'].append('*')
|
410 |
410 |
self._update_permissions(location, permissions)
|
411 |
|
|
|
411 |
|
412 |
412 |
def update(self, image_id, params):
|
413 |
413 |
image = self.get_image(image_id)
|
414 |
414 |
assert image, "Image not found"
|
415 |
|
|
|
415 |
|
416 |
416 |
location = image['location']
|
417 |
417 |
is_public = params.pop('is_public', None)
|
418 |
418 |
if is_public is not None:
|
... | ... | |
424 |
424 |
read.discard('*')
|
425 |
425 |
permissions['read'] = list(read)
|
426 |
426 |
self.backend._update_permissions(location, permissions)
|
427 |
|
|
|
427 |
|
428 |
428 |
meta = {}
|
429 |
429 |
meta['properties'] = params.pop('properties', {})
|
430 |
430 |
meta.update(**params)
|
431 |
|
|
|
431 |
|
432 |
432 |
self._update_meta(location, meta)
|
433 |
433 |
return self.get_image(image_id)
|
|
434 |
|
|
435 |
|
|
436 |
|
|
437 |
IMAGES = [
|
|
438 |
{
|
|
439 |
"status": "available",
|
|
440 |
"name": "Local test image",
|
|
441 |
"checksum": "a149289f512d70c8f9f6acb0636d2ea9a5b5c3ec0b83e4398aed4a5678da6848",
|
|
442 |
"created_at": "2012-03-28 15:05:52",
|
|
443 |
"disk_format": "diskdump",
|
|
444 |
"updated_at": "2012-03-28 16:56:31",
|
|
445 |
"properties": {
|
|
446 |
"kernel": "3.0.0",
|
|
447 |
"osfamily": "linux",
|
|
448 |
"users": "user",
|
|
449 |
"gui": "KDE 4.7.4",
|
|
450 |
"sortorder": "4",
|
|
451 |
"size": "2850",
|
|
452 |
"os": "kpap",
|
|
453 |
"root_partition": "1",
|
|
454 |
"description": "Kubuntu 11.10"
|
|
455 |
},
|
|
456 |
"location": "debian_base-6.0-7-x86_64",
|
|
457 |
"container_format": "bare",
|
|
458 |
"owner": "images@okeanos.grnet.gr",
|
|
459 |
"is_public": True,
|
|
460 |
"deleted_at": "",
|
|
461 |
"id": "79d24739-af8f-436b-8f6e-eb2d908e0b7e",
|
|
462 |
"size": 2985041920
|
|
463 |
},
|
|
464 |
{
|
|
465 |
"status": "available",
|
|
466 |
"name": "Local test image",
|
|
467 |
"checksum": "a149289f512d70c8f9f6acb0636d2ea9a5b5c3ec0b83e4398aed4a5678da6848",
|
|
468 |
"created_at": "2012-03-28 15:05:52",
|
|
469 |
"disk_format": "diskdump",
|
|
470 |
"updated_at": "2012-03-28 16:56:31",
|
|
471 |
"properties": {
|
|
472 |
"kernel": "3.0.0",
|
|
473 |
"osfamily": "linux",
|
|
474 |
"users": "user",
|
|
475 |
"gui": "KDE 4.7.4",
|
|
476 |
"sortorder": "4",
|
|
477 |
"size": "2850",
|
|
478 |
"os": "kpap",
|
|
479 |
"root_partition": "1",
|
|
480 |
"description": "Kubuntu 11.10"
|
|
481 |
},
|
|
482 |
"location": "debian_base-6.0-7-x86_64",
|
|
483 |
"container_format": "bare",
|
|
484 |
"owner": "admin",
|
|
485 |
"is_public": True,
|
|
486 |
"deleted_at": "",
|
|
487 |
"id": "79d24739-af8f-436b-8f6e-eb2d908e0b74",
|
|
488 |
"size": 2985041920
|
|
489 |
},
|
|
490 |
{
|
|
491 |
"status": "available",
|
|
492 |
"name": "Test image (extra metadata)",
|
|
493 |
"checksum": "a149289f512d70c8f9f6acb0636d2ea9a5b5c3ec0b83e4398aed4a5678da6848",
|
|
494 |
"created_at": "2012-03-28 15:05:52",
|
|
495 |
"disk_format": "diskdump",
|
|
496 |
"updated_at": "2012-03-28 16:56:31",
|
|
497 |
"properties": {
|
|
498 |
"kernel": "3.0.0",
|
|
499 |
"osfamily": "linux",
|
|
500 |
"users": "user takis",
|
|
501 |
"gui": "KDE 4.7.4",
|
|
502 |
"sortorder": "4",
|
|
503 |
"size": "2850",
|
|
504 |
"root_partition": "1",
|
|
505 |
"metadata_key": "lal alal",
|
|
506 |
"metadata_key2": "test llalalalala",
|
|
507 |
},
|
|
508 |
"location": "debian_base-6.0-7-x86_64",
|
|
509 |
"container_format": "bare",
|
|
510 |
"owner": "admin",
|
|
511 |
"is_public": True,
|
|
512 |
"deleted_at": "",
|
|
513 |
"id": "79d24739-af8f-436b-8f6e-eb2d908e0b72",
|
|
514 |
"size": 2985041920
|
|
515 |
},
|
|
516 |
{
|
|
517 |
"status": "available",
|
|
518 |
"name": "Test image (no os)",
|
|
519 |
"checksum": "a149289f512d70c8f9f6acb0636d2ea9a5b5c3ec0b83e4398aed4a5678da6848",
|
|
520 |
"created_at": "2012-03-28 15:05:52",
|
|
521 |
"disk_format": "diskdump",
|
|
522 |
"updated_at": "2012-03-28 16:56:31",
|
|
523 |
"properties": {
|
|
524 |
"kernel": "3.0.0",
|
|
525 |
"osfamily": "linux",
|
|
526 |
"users": "user",
|
|
527 |
"gui": "KDE 4.7.4",
|
|
528 |
"sortorder": "4",
|
|
529 |
"size": "2850",
|
|
530 |
"root_partition": "1",
|
|
531 |
"description": "Kubuntu 11.10"
|
|
532 |
},
|
|
533 |
"location": "debian_base-6.0-7-x86_64",
|
|
534 |
"container_format": "bare",
|
|
535 |
"owner": "admin",
|
|
536 |
"is_public": True,
|
|
537 |
"deleted_at": "",
|
|
538 |
"id": "79d24739-af8f-436b-8f6e-eb2d908e0b71",
|
|
539 |
"size": 30000000000
|
|
540 |
},
|
|
541 |
{
|
|
542 |
"status": "available",
|
|
543 |
"name": "Test image (no os)",
|
|
544 |
"checksum": "a149289f512d70c8f9f6acb0636d2ea9a5b5c3ec0b83e4398aed4a5678da6848",
|
|
545 |
"created_at": "2012-03-28 15:05:52",
|
|
546 |
"disk_format": "diskdump",
|
|
547 |
"updated_at": "2012-03-28 16:56:31",
|
|
548 |
"properties": {
|
|
549 |
"kernel": "3.0.0",
|
|
550 |
"osfamily": "linux",
|
|
551 |
"users": "user root",
|
|
552 |
"gui": "KDE 4.7.4",
|
|
553 |
"sortorder": "4",
|
|
554 |
"size": "2850",
|
|
555 |
"root_partition": "1",
|
|
556 |
"description": "Kubuntu 11.10"
|
|
557 |
},
|
|
558 |
"location": "debian_base-6.0-7-x86_64",
|
|
559 |
"container_format": "bare",
|
|
560 |
"owner": "admin@admin.com",
|
|
561 |
"is_public": True,
|
|
562 |
"deleted_at": "",
|
|
563 |
"id": "79d24739-af8f-436b-8f6e-eb2d908e0b55",
|
|
564 |
"size": 49850419200
|
|
565 |
},
|
|
566 |
{
|
|
567 |
"status": "available",
|
|
568 |
"name": "Test image",
|
|
569 |
"checksum": "a149289f512d70c8f9f6acb0636d2ea9a5b5c3ec0b83e4398aed4a5678da6848",
|
|
570 |
"created_at": "2012-03-28 15:05:52",
|
|
571 |
"disk_format": "diskdump",
|
|
572 |
"updated_at": "2012-03-28 16:56:31",
|
|
573 |
"properties": {
|
|
574 |
"kernel": "3.0.0",
|
|
575 |
"osfamily": "linux",
|
|
576 |
"users": "user root",
|
|
577 |
"gui": "KDE 4.7.4",
|
|
578 |
"os": "ubuntu",
|
|
579 |
"sortorder": "4",
|
|
580 |
"size": "2850",
|
|
581 |
"root_partition": "1",
|
|
582 |
"description": "Kubuntu 11.10 <h1>TEST</h1>"
|
|
583 |
},
|
|
584 |
"location": "debian_base-6.0-7-x86_64",
|
|
585 |
"container_format": "bare",
|
|
586 |
"owner": "admin",
|
|
587 |
"is_public": True,
|
|
588 |
"deleted_at": "",
|
|
589 |
"id": "79d24739-af8f-436b-8f6e-eb2d908e0b79",
|
|
590 |
"size": 49850419200
|
|
591 |
},
|
|
592 |
|
|
593 |
]
|
|
594 |
|
|
595 |
class DummyImageBackend():
|
|
596 |
|
|
597 |
def __init__(self, user, images=None):
|
|
598 |
self.user = user
|
|
599 |
self.images = images or IMAGES
|
|
600 |
|
|
601 |
|
|
602 |
def iter(self):
|
|
603 |
return self.images
|
|
604 |
|
|
605 |
def get_image(self, image_id):
|
|
606 |
for i in self.images:
|
|
607 |
if i['id'] == image_id:
|
|
608 |
return i
|
|
609 |
return None
|
|
610 |
|
|
611 |
def close(self):
|
|
612 |
pass
|
|
613 |
|
|
614 |
def list_public(self, filters, params):
|
|
615 |
return self.images
|
|
616 |
|
|
617 |
|
|
618 |
ImageBackend = PithosImageBackend
|
|
619 |
ImageBackend = DummyImageBackend
|