Revision 25c3841c pithos/lib/client.py
b/pithos/lib/client.py | ||
---|---|---|
69 | 69 |
self.debug = debug |
70 | 70 |
self.token = token |
71 | 71 |
|
72 |
def _chunked_transfer(self, path, method='PUT', f=stdin, headers=None, |
|
73 |
blocksize=1024): |
|
74 |
|
|
75 |
http = HTTPConnection(self.host) |
|
76 |
|
|
77 |
# write header |
|
78 |
path = '/%s/%s%s' % (self.api, self.account, path) |
|
79 |
http.putrequest(method, path) |
|
80 |
http.putheader('x-auth-token', self.token) |
|
81 |
http.putheader('content-type', 'application/octet-stream') |
|
82 |
http.putheader('transfer-encoding', 'chunked') |
|
83 |
if headers: |
|
84 |
for header,value in headers.items(): |
|
85 |
http.putheader(header, value) |
|
86 |
http.endheaders() |
|
87 |
|
|
88 |
# write body |
|
89 |
data = '' |
|
90 |
while True: |
|
91 |
if f.closed: |
|
92 |
break |
|
93 |
block = f.read(blocksize) |
|
94 |
if block == '': |
|
95 |
break |
|
96 |
data = '%s\r\n%s\r\n' % (hex(len(block)), block) |
|
97 |
try: |
|
98 |
http.send(data) |
|
99 |
except: |
|
100 |
#retry |
|
101 |
http.send(data) |
|
102 |
data = '0x0\r\n' |
|
103 |
try: |
|
104 |
http.send(data) |
|
105 |
except: |
|
106 |
#retry |
|
107 |
http.send(data) |
|
108 |
|
|
109 |
# get response |
|
110 |
resp = http.getresponse() |
|
111 |
|
|
112 |
headers = dict(resp.getheaders()) |
|
113 |
|
|
114 |
if self.verbose: |
|
115 |
print '%d %s' % (resp.status, resp.reason) |
|
116 |
for key, val in headers.items(): |
|
117 |
print '%s: %s' % (key.capitalize(), val) |
|
118 |
|
|
119 |
|
|
120 |
length = resp.getheader('Content-length', None) |
|
121 |
data = resp.read(length) |
|
122 |
if self.debug: |
|
123 |
print data |
|
124 |
|
|
125 |
|
|
126 |
if int(resp.status) in ERROR_CODES.keys(): |
|
127 |
raise Fault(data, int(resp.status)) |
|
128 |
|
|
129 |
#print '*', resp.status, headers, data |
|
130 |
return resp.status, headers, data |
|
131 |
|
|
132 |
def _req(self, method, path, body=None, headers=None, format='text', |
|
133 |
params=None): |
|
72 |
def _req(self, method, path, body=None, headers={}, format='text', |
|
73 |
params={}): |
|
134 | 74 |
full_path = '/%s/%s%s?format=%s' % (self.api, self.account, path, |
135 | 75 |
format) |
136 |
if params: |
|
137 |
for k,v in params.items(): |
|
138 |
if v: |
|
139 |
full_path = '%s&%s=%s' %(full_path, k, v) |
|
140 |
else: |
|
141 |
full_path = '%s&%s' %(full_path, k) |
|
76 |
for k,v in params.items(): |
|
77 |
if v: |
|
78 |
full_path = '%s&%s=%s' %(full_path, k, v) |
|
79 |
else: |
|
80 |
full_path = '%s&%s' %(full_path, k) |
|
142 | 81 |
conn = HTTPConnection(self.host) |
143 | 82 |
|
144 | 83 |
#encode whitespace |
145 | 84 |
full_path = full_path.replace(' ', '%20') |
146 | 85 |
|
147 | 86 |
kwargs = {} |
148 |
kwargs['headers'] = headers or {} |
|
87 |
for k,v in headers.items(): |
|
88 |
headers.pop(k) |
|
89 |
k = k.replace('_', '-') |
|
90 |
headers[k] = v |
|
91 |
|
|
92 |
kwargs['headers'] = headers |
|
149 | 93 |
kwargs['headers']['X-Auth-Token'] = self.token |
150 |
if not headers or \ |
|
151 |
'transfer-encoding' not in headers \ |
|
152 |
or headers['transfer-encoding'] != 'chunked': |
|
153 |
kwargs['headers']['content-length'] = len(body) if body else 0 |
|
154 | 94 |
if body: |
155 | 95 |
kwargs['body'] = body |
156 | 96 |
else: |
157 | 97 |
kwargs['headers']['content-type'] = '' |
98 |
kwargs['headers'].setdefault('content-length', len(body) if body else 0) |
|
158 | 99 |
kwargs['headers'].setdefault('content-type', 'application/octet-stream') |
159 | 100 |
try: |
160 | 101 |
#print '*', method, full_path, kwargs |
... | ... | |
183 | 124 |
#print '*', resp.status, headers, data |
184 | 125 |
return resp.status, headers, data |
185 | 126 |
|
186 |
def delete(self, path, format='text'): |
|
187 |
return self._req('DELETE', path, format=format) |
|
127 |
def delete(self, path, format='text', params={}):
|
|
128 |
return self._req('DELETE', path, format=format, params=params)
|
|
188 | 129 |
|
189 |
def get(self, path, format='text', headers=None, params=None):
|
|
130 |
def get(self, path, format='text', headers=None, params={}):
|
|
190 | 131 |
return self._req('GET', path, headers=headers, format=format, |
191 | 132 |
params=params) |
192 | 133 |
|
193 |
def head(self, path, format='text', params=None):
|
|
134 |
def head(self, path, format='text', params={}):
|
|
194 | 135 |
return self._req('HEAD', path, format=format, params=params) |
195 | 136 |
|
196 |
def post(self, path, body=None, format='text', headers=None, params=None):
|
|
137 |
def post(self, path, body=None, format='text', headers=None, params={}):
|
|
197 | 138 |
return self._req('POST', path, body, headers=headers, format=format, |
198 | 139 |
params=params) |
199 | 140 |
|
200 | 141 |
def put(self, path, body=None, format='text', headers=None): |
201 | 142 |
return self._req('PUT', path, body, headers=headers, format=format) |
202 | 143 |
|
203 |
def _list(self, path, detail=False, params=None, headers=None):
|
|
144 |
def _list(self, path, detail=False, params={}, **headers):
|
|
204 | 145 |
format = 'json' if detail else 'text' |
205 | 146 |
status, headers, data = self.get(path, format=format, headers=headers, |
206 | 147 |
params=params) |
207 | 148 |
if detail: |
208 | 149 |
data = json.loads(data) if data else '' |
209 | 150 |
else: |
210 |
data = data.strip().split('\n') |
|
151 |
data = data.strip().split('\n') if data else ''
|
|
211 | 152 |
return data |
212 | 153 |
|
213 |
def _get_metadata(self, path, prefix=None, params=None):
|
|
154 |
def _get_metadata(self, path, prefix=None, params={}):
|
|
214 | 155 |
status, headers, data = self.head(path, params=params) |
215 | 156 |
prefixlen = len(prefix) if prefix else 0 |
216 | 157 |
meta = {} |
... | ... | |
222 | 163 |
meta[key] = val |
223 | 164 |
return meta |
224 | 165 |
|
225 |
def _update_metadata(self, path, entity, **meta):
|
|
166 |
def _filter(self, l, d):
|
|
226 | 167 |
""" |
227 |
adds new and updates the values of previously set metadata
|
|
168 |
filter out from l elements having the metadata values provided
|
|
228 | 169 |
""" |
229 |
params = {'update':None} |
|
170 |
ll = l |
|
171 |
for elem in l: |
|
172 |
if type(elem) == types.DictionaryType: |
|
173 |
for key in d.keys(): |
|
174 |
k = 'x_object_meta_%s' % key |
|
175 |
if k in elem.keys() and elem[k] == d[key]: |
|
176 |
ll.remove(elem) |
|
177 |
break |
|
178 |
return ll |
|
179 |
|
|
180 |
class OOS_Client(Client): |
|
181 |
"""Openstack Objest Storage Client""" |
|
182 |
|
|
183 |
def _update_metadata(self, path, entity, **meta): |
|
184 |
"""adds new and updates the values of previously set metadata""" |
|
185 |
ex_meta = self.retrieve_account_metadata(restricted=True) |
|
186 |
ex_meta.update(meta) |
|
230 | 187 |
headers = {} |
231 | 188 |
prefix = 'x-%s-meta-' % entity |
232 |
for k,v in meta.items(): |
|
189 |
for k,v in ex_meta.items():
|
|
233 | 190 |
k = '%s%s' % (prefix, k) |
234 | 191 |
headers[k] = v |
235 | 192 |
return self.post(path, headers=headers, params=params) |
236 | 193 |
|
237 | 194 |
def _delete_metadata(self, path, entity, meta=[]): |
238 |
""" |
|
239 |
delete previously set metadata |
|
240 |
""" |
|
241 |
params = {'update':None} |
|
195 |
"""delete previously set metadata""" |
|
196 |
ex_meta = self.retrieve_account_metadata(restricted=True) |
|
242 | 197 |
headers = {} |
243 | 198 |
prefix = 'x-%s-meta-' % entity |
244 |
for m in meta: |
|
245 |
headers['%s%s' % (prefix, m)] = None |
|
199 |
for k in ex_meta.keys(): |
|
200 |
if k in meta: |
|
201 |
headers['%s%s' % (prefix, k)] = ex_meta[k] |
|
246 | 202 |
return self.post(path, headers=headers) |
247 | 203 |
|
248 | 204 |
# Storage Account Services |
249 | 205 |
|
250 |
def list_containers(self, detail=False, params=None, headers=None): |
|
251 |
return self._list('', detail, params, headers) |
|
206 |
def list_containers(self, detail=False, limit=10000, marker=None, params={}, |
|
207 |
**headers): |
|
208 |
"""lists containers""" |
|
209 |
if not params: |
|
210 |
params = {} |
|
211 |
params.update({'limit':limit, 'marker':marker}) |
|
212 |
return self._list('', detail, params, **headers) |
|
252 | 213 |
|
253 |
def account_metadata(self, restricted=False, until=None): |
|
214 |
def retrieve_account_metadata(self, restricted=False, **params): |
|
215 |
"""returns the account metadata""" |
|
254 | 216 |
prefix = 'x-account-meta-' if restricted else None |
255 |
params = {'until':until} if until else None |
|
256 |
return self._get_metadata('', prefix, params=params) |
|
217 |
return self._get_metadata('', prefix, params) |
|
257 | 218 |
|
258 | 219 |
def update_account_metadata(self, **meta): |
220 |
"""updates the account metadata""" |
|
259 | 221 |
return self._update_metadata('', 'account', **meta) |
260 | 222 |
|
261 | 223 |
def delete_account_metadata(self, meta=[]): |
224 |
"""deletes the account metadata""" |
|
262 | 225 |
return self._delete_metadata('', 'account', meta) |
263 | 226 |
|
264 |
def set_account_groups(self, **groups): |
|
265 |
""" |
|
266 |
create account groups |
|
267 |
""" |
|
268 |
headers = {} |
|
269 |
for key, val in groups.items(): |
|
270 |
headers['x-account-group-%s' % key] = val |
|
271 |
params = {'update':None} |
|
272 |
return self.post('', headers=headers, params=params) |
|
273 |
|
|
274 |
def unset_account_groups(self, groups=[]): |
|
275 |
""" |
|
276 |
delete account groups |
|
277 |
""" |
|
278 |
headers = {} |
|
279 |
for elem in groups: |
|
280 |
headers['x-account-group-%s' % elem] = '' |
|
281 |
params = {'update':None} |
|
282 |
return self.post('', headers=headers, params=params) |
|
283 |
|
|
284 | 227 |
# Storage Container Services |
285 | 228 |
|
286 |
def _filter(self, l, d): |
|
287 |
""" |
|
288 |
filter out from l elements having the metadata values provided |
|
289 |
""" |
|
290 |
ll = l |
|
291 |
for elem in l: |
|
292 |
if type(elem) == types.DictionaryType: |
|
293 |
for key in d.keys(): |
|
294 |
k = 'x_object_meta_%s' % key |
|
295 |
if k in elem.keys() and elem[k] == d[key]: |
|
296 |
ll.remove(elem) |
|
297 |
break |
|
298 |
return ll |
|
299 |
|
|
300 | 229 |
def _filter_trashed(self, l): |
301 | 230 |
return self._filter(l, {'trash':'true'}) |
302 | 231 |
|
303 |
def list_objects(self, container, detail=False, headers=None, |
|
304 |
include_trashed=False, **params): |
|
305 |
l = self._list('/' + container, detail, params, headers) |
|
232 |
def list_objects(self, container, detail=False, limit=10000, marker=None, |
|
233 |
prefix=None, delimiter=None, path=None, |
|
234 |
include_trashed=False, params={}, **headers): |
|
235 |
"""returns a list with the container objects""" |
|
236 |
params.update({'limit':limit, 'marker':marker, 'prefix':prefix, |
|
237 |
'delimiter':delimiter, 'path':path}) |
|
238 |
l = self._list('/' + container, detail, params, **headers) |
|
306 | 239 |
if not include_trashed: |
307 | 240 |
l = self._filter_trashed(l) |
308 | 241 |
return l |
309 | 242 |
|
310 |
def create_container(self, container, headers=None, **meta): |
|
243 |
def create_container(self, container, **meta): |
|
244 |
"""creates a container""" |
|
245 |
headers = {} |
|
311 | 246 |
for k,v in meta.items(): |
312 | 247 |
headers['x-container-meta-%s' %k.strip().upper()] = v.strip() |
313 | 248 |
status, header, data = self.put('/' + container, headers=headers) |
... | ... | |
317 | 252 |
raise Fault(data, int(status)) |
318 | 253 |
return True |
319 | 254 |
|
320 |
def delete_container(self, container): |
|
321 |
return self.delete('/' + container) |
|
255 |
def delete_container(self, container, params={}): |
|
256 |
"""deletes a container""" |
|
257 |
return self.delete('/' + container, params=params) |
|
322 | 258 |
|
323 |
def retrieve_container_metadata(self, container, restricted=False, |
|
324 |
until=None):
|
|
259 |
def retrieve_container_metadata(self, container, restricted=False, **params):
|
|
260 |
"""returns the container metadata"""
|
|
325 | 261 |
prefix = 'x-container-meta-' if restricted else None |
326 |
params = {'until':until} if until else None |
|
327 |
return self._get_metadata('/%s' % container, prefix, params=params) |
|
262 |
return self._get_metadata('/%s' % container, prefix, params) |
|
328 | 263 |
|
329 | 264 |
def update_container_metadata(self, container, **meta): |
265 |
"""unpdates the container metadata""" |
|
330 | 266 |
return self._update_metadata('/' + container, 'container', **meta) |
331 | 267 |
|
332 | 268 |
def delete_container_metadata(self, container, meta=[]): |
269 |
"""deletes the container metadata""" |
|
333 | 270 |
path = '/%s' % (container) |
334 | 271 |
return self._delete_metadata(path, 'container', meta) |
335 | 272 |
|
336 |
def set_container_policies(self, container, **policies): |
|
337 |
path = '/%s' % (container) |
|
338 |
headers = {} |
|
339 |
print '' |
|
340 |
for key, val in policies.items(): |
|
341 |
headers['x-container-policy-%s' % key] = val |
|
342 |
return self.post(path, headers=headers) |
|
343 |
|
|
344 | 273 |
# Storage Object Services |
345 | 274 |
|
346 |
def retrieve_object(self, container, object, detail=False, headers=None, |
|
347 |
version=None): |
|
275 |
def request_object(self, container, object, detail=False, params={}, |
|
276 |
**headers): |
|
277 |
"""returns tuple containing the status, headers and data response for an object request""" |
|
348 | 278 |
path = '/%s/%s' % (container, object) |
349 |
format = 'json' if detail else 'text' |
|
350 |
params = {'version':version} if version else None |
|
279 |
format = 'json' if detail else 'text' |
|
351 | 280 |
status, headers, data = self.get(path, format, headers, params) |
352 |
return data |
|
281 |
return status, headers, data |
|
282 |
|
|
283 |
def retrieve_object(self, container, object, detail=False, params={}, |
|
284 |
**headers): |
|
285 |
"""returns an object's data""" |
|
286 |
t = self.request_object(container, object, detail, params, **headers) |
|
287 |
return t[2] |
|
353 | 288 |
|
354 | 289 |
def create_directory_marker(self, container, object): |
290 |
"""creates a dierectory marker""" |
|
355 | 291 |
if not object: |
356 | 292 |
raise Fault('Directory markers have to be nested in a container') |
357 | 293 |
h = {'Content-Type':'application/directory'} |
358 |
return self.create_object(container, object, f=None, headers=h) |
|
359 |
|
|
360 |
def _set_public_header(self, headers, public=False): |
|
361 |
""" |
|
362 |
sets the public header |
|
363 |
""" |
|
364 |
if public == None: |
|
365 |
return |
|
366 |
elif public: |
|
367 |
headers['x-object-public'] = public |
|
368 |
else: |
|
369 |
headers['x-object-public'] = '' |
|
370 |
|
|
371 |
def create_object(self, container, object, f=stdin, chunked=False, |
|
372 |
blocksize=1024, headers={}, use_hashes=False, |
|
373 |
public=None, **meta): |
|
374 |
""" |
|
375 |
creates an object |
|
376 |
if f is None then creates a zero length object |
|
377 |
if f is stdin or chunked is set then performs chunked transfer |
|
378 |
""" |
|
379 |
path = '/%s/%s' % (container, object) |
|
380 |
for k,v in meta.items(): |
|
381 |
headers['x-object-meta-%s' %k.strip().upper()] = v.strip() |
|
382 |
self._set_public_header(headers, public) |
|
383 |
headers = headers if headers else None |
|
384 |
if not chunked: |
|
385 |
format = 'json' if use_hashes else 'text' |
|
386 |
data = f.read() if f else None |
|
387 |
if data: |
|
388 |
if format == 'json': |
|
389 |
try: |
|
390 |
data = eval(data) |
|
391 |
data = json.dumps(data) |
|
392 |
except SyntaxError: |
|
393 |
raise Fault('Invalid formatting') |
|
394 |
return self.put(path, data, headers=headers, format=format) |
|
395 |
else: |
|
396 |
return self._chunked_transfer(path, 'PUT', f, headers=headers, |
|
397 |
blocksize=1024) |
|
294 |
return self.create_zero_length_object(container, object, **h) |
|
398 | 295 |
|
399 |
def update_object_data(self, container, object, data=None, headers={}, |
|
400 |
offset=None, public=None, **meta): |
|
296 |
def create_object(self, container, object, f=stdin, format='text', meta={}, |
|
297 |
etag=None, content_type=None, content_encoding=None, |
|
298 |
content_disposition=None, **headers): |
|
299 |
"""creates an object""" |
|
401 | 300 |
path = '/%s/%s' % (container, object) |
301 |
for k, v in headers.items(): |
|
302 |
if not v: |
|
303 |
headers.pop(k) |
|
304 |
|
|
305 |
l = ['etag', 'content_encoding', 'content_disposition', 'content_type'] |
|
306 |
l = [elem for elem in l if eval(elem)] |
|
307 |
for elem in l: |
|
308 |
headers.update({elem:eval(elem)}) |
|
309 |
|
|
402 | 310 |
for k,v in meta.items(): |
403 | 311 |
headers['x-object-meta-%s' %k.strip()] = v.strip() |
404 |
if 'content-range' not in headers.keys(): |
|
405 |
if offset: |
|
406 |
headers['content-range'] = 'bytes %s-/*' % offset |
|
407 |
else: |
|
408 |
headers['content-range'] = 'bytes */*' |
|
409 |
self._set_public_header(headers, public) |
|
410 |
headers = headers if headers else None |
|
411 |
return self.post(path, data, headers=headers) |
|
312 |
data = f.read() if f else None |
|
313 |
return self.put(path, data, format, headers=headers) |
|
412 | 314 |
|
413 |
def update_object(self, container, object, f=stdin, chunked=False, |
|
414 |
blocksize=1024, headers={}, offset=None, public=None, |
|
415 |
**meta): |
|
315 |
def update_object(self, container, object, f=stdin, offset=None, meta={}, |
|
316 |
content_length=None, content_type=None, |
|
317 |
content_encoding=None, content_disposition=None, |
|
318 |
**headers): |
|
416 | 319 |
path = '/%s/%s' % (container, object) |
320 |
for k, v in headers.items(): |
|
321 |
if not v: |
|
322 |
headers.pop(k) |
|
323 |
|
|
324 |
l = ['content_encoding', 'content_disposition', 'content_type', |
|
325 |
'content_length'] |
|
326 |
l = [elem for elem in l if eval(elem)] |
|
327 |
for elem in l: |
|
328 |
headers.update({elem:eval(elem)}) |
|
329 |
|
|
330 |
if 'content_range' not in headers.keys(): |
|
331 |
if offset != None: |
|
332 |
headers['content_range'] = 'bytes %s-/*' % offset |
|
333 |
else: |
|
334 |
headers['content_range'] = 'bytes */*' |
|
335 |
|
|
417 | 336 |
for k,v in meta.items(): |
418 | 337 |
headers['x-object-meta-%s' %k.strip()] = v.strip() |
419 |
if offset: |
|
420 |
headers['content-range'] = 'bytes %s-/*' % offset |
|
421 |
else: |
|
422 |
headers['content-range'] = 'bytes */*' |
|
423 |
self._set_public_header(headers, public) |
|
424 |
headers = headers if headers else None |
|
425 |
if not chunked and f != stdin: |
|
426 |
data = f.read() if f else None |
|
427 |
return self.post(path, data, headers=headers) |
|
428 |
else: |
|
429 |
return self._chunked_transfer(path, 'POST', f, headers=headers, |
|
430 |
blocksize=1024) |
|
338 |
data = f.read() if f else None |
|
339 |
return self.post(path, data, headers=headers) |
|
431 | 340 |
|
432 | 341 |
def _change_obj_location(self, src_container, src_object, dst_container, |
433 | 342 |
dst_object, remove=False, public=False, **meta): |
... | ... | |
456 | 365 |
dst_container, dst_object, True, |
457 | 366 |
public, **meta) |
458 | 367 |
|
459 |
def delete_object(self, container, object): |
|
460 |
return self.delete('/%s/%s' % (container, object)) |
|
368 |
def delete_object(self, container, object, params={}):
|
|
369 |
return self.delete('/%s/%s' % (container, object), params=params)
|
|
461 | 370 |
|
462 | 371 |
def retrieve_object_metadata(self, container, object, restricted=False, |
463 | 372 |
version=None): |
... | ... | |
466 | 375 |
""" |
467 | 376 |
path = '/%s/%s' % (container, object) |
468 | 377 |
prefix = 'x-object-meta-' if restricted else None |
469 |
params = {'version':version} if version else None
|
|
378 |
params = {'version':version} if version else {}
|
|
470 | 379 |
return self._get_metadata(path, prefix, params=params) |
471 | 380 |
|
472 | 381 |
def update_object_metadata(self, container, object, **meta): |
... | ... | |
477 | 386 |
path = '/%s/%s' % (container, object) |
478 | 387 |
return self._delete_metadata(path, 'object', meta) |
479 | 388 |
|
480 |
def trash_object(self, container, object): |
|
389 |
class Pithos_Client(OOS_Client): |
|
390 |
"""Pithos Storage Client. Extends OOS_Client""" |
|
391 |
|
|
392 |
def _chunked_transfer(self, path, method='PUT', f=stdin, headers=None, |
|
393 |
blocksize=1024): |
|
394 |
"""perfomrs a chunked request""" |
|
395 |
http = HTTPConnection(self.host) |
|
396 |
|
|
397 |
# write header |
|
398 |
path = '/%s/%s%s' % (self.api, self.account, path) |
|
399 |
http.putrequest(method, path) |
|
400 |
http.putheader('x-auth-token', self.token) |
|
401 |
http.putheader('content-type', 'application/octet-stream') |
|
402 |
http.putheader('transfer-encoding', 'chunked') |
|
403 |
if headers: |
|
404 |
for header,value in headers.items(): |
|
405 |
http.putheader(header, value) |
|
406 |
http.endheaders() |
|
407 |
|
|
408 |
# write body |
|
409 |
data = '' |
|
410 |
while True: |
|
411 |
if f.closed: |
|
412 |
break |
|
413 |
block = f.read(blocksize) |
|
414 |
if block == '': |
|
415 |
break |
|
416 |
data = '%s\r\n%s\r\n' % (hex(len(block)), block) |
|
417 |
try: |
|
418 |
http.send(data) |
|
419 |
except: |
|
420 |
#retry |
|
421 |
http.send(data) |
|
422 |
data = '0x0\r\n' |
|
423 |
try: |
|
424 |
http.send(data) |
|
425 |
except: |
|
426 |
#retry |
|
427 |
http.send(data) |
|
428 |
|
|
429 |
# get response |
|
430 |
resp = http.getresponse() |
|
431 |
|
|
432 |
headers = dict(resp.getheaders()) |
|
433 |
|
|
434 |
if self.verbose: |
|
435 |
print '%d %s' % (resp.status, resp.reason) |
|
436 |
for key, val in headers.items(): |
|
437 |
print '%s: %s' % (key.capitalize(), val) |
|
438 |
|
|
439 |
|
|
440 |
length = resp.getheader('Content-length', None) |
|
441 |
data = resp.read(length) |
|
442 |
if self.debug: |
|
443 |
print data |
|
444 |
|
|
445 |
|
|
446 |
if int(resp.status) in ERROR_CODES.keys(): |
|
447 |
raise Fault(data, int(resp.status)) |
|
448 |
|
|
449 |
#print '*', resp.status, headers, data |
|
450 |
return resp.status, headers, data |
|
451 |
|
|
452 |
def _update_metadata(self, path, entity, **meta): |
|
453 |
""" |
|
454 |
adds new and updates the values of previously set metadata |
|
455 |
""" |
|
456 |
params = {'update':None} |
|
457 |
headers = {} |
|
458 |
prefix = 'x-%s-meta-' % entity |
|
459 |
for k,v in meta.items(): |
|
460 |
k = '%s%s' % (prefix, k) |
|
461 |
headers[k] = v |
|
462 |
return self.post(path, headers=headers, params=params) |
|
463 |
|
|
464 |
def _delete_metadata(self, path, entity, meta=[]): |
|
481 | 465 |
""" |
482 |
trashes an object |
|
483 |
actually resets all object metadata with trash = true |
|
466 |
delete previously set metadata |
|
484 | 467 |
""" |
468 |
params = {'update':None} |
|
469 |
headers = {} |
|
470 |
prefix = 'x-%s-meta-' % entity |
|
471 |
for m in meta: |
|
472 |
headers['%s%s' % (prefix, m)] = None |
|
473 |
return self.post(path, headers=headers, params=params) |
|
474 |
|
|
475 |
# Storage Account Services |
|
476 |
|
|
477 |
def list_containers(self, detail=False, if_modified_since=None, |
|
478 |
if_unmodified_since=None, limit=1000, marker=None, |
|
479 |
until=None): |
|
480 |
"""returns a list with the account containers""" |
|
481 |
params = {'until':until} if until else None |
|
482 |
headers = {'if-modified-since':if_modified_since, |
|
483 |
'if-unmodified-since':if_unmodified_since} |
|
484 |
return OOS_Client.list_containers(self, detail=detail, limit=limit, |
|
485 |
marker=marker, params=params, |
|
486 |
**headers) |
|
487 |
|
|
488 |
def retrieve_account_metadata(self, restricted=False, until=None): |
|
489 |
"""returns the account metadata""" |
|
490 |
params = {'until':until} if until else {} |
|
491 |
return OOS_Client.retrieve_account_metadata(self, restricted=restricted, |
|
492 |
**params) |
|
493 |
|
|
494 |
def set_account_groups(self, **groups): |
|
495 |
"""create account groups""" |
|
496 |
headers = {} |
|
497 |
for key, val in groups.items(): |
|
498 |
headers['x-account-group-%s' % key] = val |
|
499 |
params = {'update':None} |
|
500 |
return self.post('', headers=headers, params=params) |
|
501 |
|
|
502 |
def unset_account_groups(self, groups=[]): |
|
503 |
"""delete account groups""" |
|
504 |
headers = {} |
|
505 |
for elem in groups: |
|
506 |
headers['x-account-group-%s' % elem] = '' |
|
507 |
params = {'update':None} |
|
508 |
return self.post('', headers=headers, params=params) |
|
509 |
|
|
510 |
# Storage Container Services |
|
511 |
|
|
512 |
def list_objects(self, container, detail=False, limit=10000, marker=None, |
|
513 |
prefix=None, delimiter=None, path=None, |
|
514 |
include_trashed=False, params={}, if_modified_since=None, |
|
515 |
if_unmodified_since=None, meta={}, until=None): |
|
516 |
"""returns a list with the container objects""" |
|
517 |
params = {'until':until, 'meta':meta} |
|
518 |
args = locals() |
|
519 |
for elem in ['self', 'container', 'params', 'until', 'meta']: |
|
520 |
args.pop(elem) |
|
521 |
return OOS_Client.list_objects(self, container, params=params, |
|
522 |
**args) |
|
523 |
|
|
524 |
def retrieve_container_metadata(self, container, restricted=False, |
|
525 |
until=None): |
|
526 |
"""returns container's metadata""" |
|
527 |
params = {'until':until} if until else {} |
|
528 |
return OOS_Client.retrieve_container_metadata(self, container, |
|
529 |
restricted=restricted, |
|
530 |
**params) |
|
531 |
|
|
532 |
def set_container_policies(self, container, **policies): |
|
533 |
"""sets containers policies""" |
|
534 |
path = '/%s' % (container) |
|
535 |
headers = {} |
|
536 |
print '' |
|
537 |
for key, val in policies.items(): |
|
538 |
headers['x-container-policy-%s' % key] = val |
|
539 |
return self.post(path, headers=headers) |
|
540 |
|
|
541 |
def delete_container(self, container, until=None): |
|
542 |
"""deletes a container or the container history until the date provided""" |
|
543 |
params = {'until':until} if until else {} |
|
544 |
return OOS_Client.delete_container(self, container, params) |
|
545 |
|
|
546 |
# Storage Object Services |
|
547 |
|
|
548 |
def retrieve_object(self, container, object, params={}, detail=False, range=None, |
|
549 |
if_range=None, if_match=None, if_none_match=None, |
|
550 |
if_modified_since=None, if_unmodified_since=None, |
|
551 |
**headers): |
|
552 |
"""returns an object""" |
|
553 |
headers={} |
|
554 |
l = ['range', 'if_range', 'if_match', 'if_none_match', |
|
555 |
'if_modified_since', 'if_unmodified_since'] |
|
556 |
l = [elem for elem in l if eval(elem)] |
|
557 |
for elem in l: |
|
558 |
headers.update({elem:eval(elem)}) |
|
559 |
return OOS_Client.retrieve_object(self, container, object, detail=detail, |
|
560 |
params=params, **headers) |
|
561 |
|
|
562 |
def retrieve_object_version(self, container, object, version, detail=False, |
|
563 |
range=None, if_range=None, if_match=None, |
|
564 |
if_none_match=None, if_modified_since=None, |
|
565 |
if_unmodified_since=None): |
|
566 |
"""returns a specific object version""" |
|
567 |
args = locals() |
|
568 |
l = ['self', 'container', 'object'] |
|
569 |
for elem in l: |
|
570 |
args.pop(elem) |
|
571 |
params = {'version':version} |
|
572 |
return self.retrieve_object(container, object, params, **args) |
|
573 |
|
|
574 |
def retrieve_object_versionlist(self, container, object, range=None, |
|
575 |
if_range=None, if_match=None, |
|
576 |
if_none_match=None, if_modified_since=None, |
|
577 |
if_unmodified_since=None): |
|
578 |
"""returns the object version list""" |
|
579 |
args = locals() |
|
580 |
l = ['self', 'container', 'object'] |
|
581 |
for elem in l: |
|
582 |
args.pop(elem) |
|
583 |
|
|
584 |
return self.retrieve_object_version(container, object, version='list', |
|
585 |
detail=True, **args) |
|
586 |
|
|
587 |
def create_object(self, container, object, f=stdin, meta={}, |
|
588 |
etag=None, content_type=None, content_encoding=None, |
|
589 |
content_disposition=None, x_object_manifest=None, |
|
590 |
x_object_sharing=None, x_object_public=None): |
|
591 |
"""creates an object""" |
|
592 |
args = locals() |
|
593 |
for elem in ['self', 'container', 'object']: |
|
594 |
args.pop(elem) |
|
595 |
return OOS_Client.create_object(self, container, object, **args) |
|
596 |
|
|
597 |
def create_object_using_chunks(self, container, object, f=stdin, |
|
598 |
blocksize=1024, meta={}, etag=None, |
|
599 |
content_type=None, content_encoding=None, |
|
600 |
content_disposition=None, |
|
601 |
x_object_sharing=None, |
|
602 |
x_object_manifest=None, |
|
603 |
x_object_public=None): |
|
604 |
"""creates an object (incremental upload)""" |
|
605 |
path = '/%s/%s' % (container, object) |
|
606 |
headers = {} |
|
607 |
l = ['etag', 'content_type', 'content_encoding', 'content_disposition', |
|
608 |
'x_object_sharing', 'x_object_manifest', 'x_object_public'] |
|
609 |
l = [elem for elem in l if eval(elem)] |
|
610 |
for elem in l: |
|
611 |
headers.update({elem:eval(elem)}) |
|
612 |
|
|
613 |
for k,v in meta.items(): |
|
614 |
headers['x-object-meta-%s' %k.strip()] = v.strip() |
|
615 |
|
|
616 |
return self._chunked_transfer(path, 'PUT', f, headers=headers, |
|
617 |
blocksize=blocksize) |
|
618 |
|
|
619 |
def create_object_by_hashmap(container, object, f=stdin, format='json', |
|
620 |
meta={}, etag=None, content_encoding=None, |
|
621 |
content_disposition=None, content_type=None, |
|
622 |
x_object_sharing=None, x_object_manifest=None, |
|
623 |
x_object_public = None): |
|
624 |
"""creates an object by uploading hashes representing data instead of data""" |
|
625 |
args = locals() |
|
626 |
for elem in ['self', 'container', 'object']: |
|
627 |
args.pop(elem) |
|
628 |
|
|
629 |
data = f.read() if f else None |
|
630 |
if data and format == 'json': |
|
631 |
try: |
|
632 |
data = eval(data) |
|
633 |
data = json.dumps(data) |
|
634 |
except SyntaxError: |
|
635 |
raise Fault('Invalid formatting') |
|
636 |
|
|
637 |
#TODO check with xml |
|
638 |
return self.create_object(container, object, **args) |
|
639 |
|
|
640 |
def create_manifestation(self, container, object, manifest): |
|
641 |
"""creates a manifestation""" |
|
642 |
headers={'x_object_manifest':manifest} |
|
643 |
return self.create_object(container, object, f=None, **headers) |
|
644 |
|
|
645 |
def update_object(self, container, object, f=stdin, offset=None, meta={}, |
|
646 |
content_length=None, content_type=None, content_range=None, |
|
647 |
content_encoding=None, content_disposition=None, |
|
648 |
x_object_bytes=None, x_object_manifest=None, |
|
649 |
x_object_sharing=None, x_object_public=None): |
|
650 |
"""updates an object""" |
|
651 |
spath = '/%s/%s' % (container, object) |
|
652 |
args = locals() |
|
653 |
for elem in ['self', 'container', 'object']: |
|
654 |
args.pop(elem) |
|
655 |
|
|
656 |
return OOS_Client.update_object(self, container, object, **args) |
|
657 |
|
|
658 |
def update_object_using_chunks(self, container, object, f=stdin, |
|
659 |
blocksize=1024, offset=None, meta={}, |
|
660 |
content_type=None, content_encoding=None, |
|
661 |
content_disposition=None, x_object_bytes=None, |
|
662 |
x_object_manifest=None, x_object_sharing=None, |
|
663 |
x_object_public=None): |
|
664 |
"""updates an object (incremental upload)""" |
|
665 |
path = '/%s/%s' % (container, object) |
|
666 |
headers = {} |
|
667 |
l = ['content_type', 'content_encoding', 'content_disposition', |
|
668 |
'x_object_bytes', 'x_object_manifest', 'x_object_sharing', |
|
669 |
'x_object_public'] |
|
670 |
l = [elem for elem in l if eval(elem)] |
|
671 |
for elem in l: |
|
672 |
headers.update({elem:eval(elem)}) |
|
673 |
|
|
674 |
if offset != None: |
|
675 |
headers['content_range'] = 'bytes %s-/*' % offset |
|
676 |
else: |
|
677 |
headers['content_range'] = 'bytes */*' |
|
678 |
|
|
679 |
for k,v in meta.items(): |
|
680 |
headers['x-object-meta-%s' %k.strip()] = v.strip() |
|
681 |
|
|
682 |
return self._chunked_transfer(path, 'POST', f, headers=headers, |
|
683 |
blocksize=blocksize) |
|
684 |
|
|
685 |
def delete_object(self, container, object, until=None): |
|
686 |
"""deletes an object or the object history until the date provided""" |
|
687 |
params = {'until':until} if until else {} |
|
688 |
return OOS_Client.delete_object(self, container, object, params) |
|
689 |
|
|
690 |
def trash_object(self, container, object): |
|
691 |
"""trashes an object""" |
|
485 | 692 |
path = '/%s/%s' % (container, object) |
486 | 693 |
meta = {'trash':'true'} |
487 | 694 |
return self._update_metadata(path, 'object', **meta) |
488 | 695 |
|
489 | 696 |
def restore_object(self, container, object): |
490 |
""" |
|
491 |
restores a trashed object |
|
492 |
actualy removes trash object metadata info |
|
493 |
""" |
|
697 |
"""restores a trashed object""" |
|
494 | 698 |
return self.delete_object_metadata(container, object, ['trash']) |
495 | 699 |
|
700 |
def _set_public_header(self, headers, public=False): |
|
701 |
"""sets the public header""" |
|
702 |
if not headers: |
|
703 |
headers = {} |
|
704 |
if public == None: |
|
705 |
return |
|
706 |
else: |
|
707 |
headers['x-object-public'] = public if public else '' |
|
708 |
|
|
496 | 709 |
def publish_object(self, container, object): |
497 |
""" |
|
498 |
sets a previously created object publicly accessible |
|
499 |
""" |
|
710 |
"""sets a previously created object publicly accessible""" |
|
500 | 711 |
path = '/%s/%s' % (container, object) |
501 |
headers = {'content-range':'bytes */*'}
|
|
712 |
headers = {'content_range':'bytes */*'}
|
|
502 | 713 |
self._set_public_header(headers, public=True) |
503 | 714 |
return self.post(path, headers=headers) |
504 | 715 |
|
505 | 716 |
def unpublish_object(self, container, object): |
506 |
""" |
|
507 |
unpublish an object |
|
508 |
""" |
|
717 |
"""unpublish an object""" |
|
509 | 718 |
path = '/%s/%s' % (container, object) |
510 |
headers = {'content-range':'bytes */*'}
|
|
719 |
headers = {'content_range':'bytes */*'}
|
|
511 | 720 |
self._set_public_header(headers, public=False) |
512 | 721 |
return self.post(path, headers=headers) |
Also available in: Unified diff