03b5e76d09
This patch includes a couple of small functional test improvement. A. Change swift_test_client.File.sync_metadata to follow Swift object metadata semantics: swift_test_client.File.sync_metadata is designed to post object user metadata to an object. However, prior to this patch, the swift_test_client.File instance keeps the existing object metadata as its member attribute and if sync_metadata is called, it sends both existing metadata and incomming metadata from caller. It looks to result in the odd state as if Swift keeps the existing metadata when POST object requested. To tell the correct Swift object metadata semantics, when POST object requested, the existing metadata in the stored object should be gone even if no metadata is overwritten. i.e. if POST object with 'X-Object-Meta-Key: Val' to a stored object with 'X-Object-Meta-foo: bar', it will result in an object with 'X-Object-Meta-Key' (note that X-Object-Meta-Foo will be deleted) The prior behavior sometimes make us confused in the reviw [1] so that, this patch fixes it to send only incomming metadata if it's set. B. Check the response status code more strictly for ObjectVersioning case This patch fixes test_versioning_check_acl on both TestObjectVersioning and TestObjectVersioningHistoryMode to assert the response status code explisitly instead of asserting just "ResponseError". (e.g. 403 when trying to delete object from other account) 1: https://review.openstack.org/#/c/360933/1/test/functional/tests.py@4142 Change-Id: Ia3e5b40f17dc0f881b695aa4be39c98b91e2bb06
1064 lines
35 KiB
Python
1064 lines
35 KiB
Python
# Copyright (c) 2010-2012 OpenStack Foundation
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import hashlib
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import json
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import os
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import random
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import socket
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import time
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from unittest2 import SkipTest
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from xml.dom import minidom
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import six
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from six.moves import http_client
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from six.moves import urllib
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from swiftclient import get_auth
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from swift.common import constraints
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from swift.common.utils import config_true_value
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from test import safe_repr
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http_client._MAXHEADERS = constraints.MAX_HEADER_COUNT
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class AuthenticationFailed(Exception):
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pass
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class RequestError(Exception):
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pass
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class ResponseError(Exception):
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def __init__(self, response, method=None, path=None):
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self.status = response.status
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self.reason = response.reason
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self.method = method
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self.path = path
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self.headers = response.getheaders()
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for name, value in self.headers:
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if name.lower() == 'x-trans-id':
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self.txid = value
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break
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else:
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self.txid = None
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super(ResponseError, self).__init__()
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def __str__(self):
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return repr(self)
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def __repr__(self):
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return '%d: %r (%r %r) txid=%s' % (
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self.status, self.reason, self.method, self.path, self.txid)
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def listing_empty(method):
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for i in range(6):
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if len(method()) == 0:
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return True
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time.sleep(2 ** i)
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return False
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def listing_items(method):
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marker = None
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once = True
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items = []
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while once or items:
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for i in items:
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yield i
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if once or marker:
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if marker:
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items = method(parms={'marker': marker})
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else:
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items = method()
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if len(items) == 10000:
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marker = items[-1]
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else:
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marker = None
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once = False
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else:
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items = []
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class Connection(object):
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def __init__(self, config):
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for key in 'auth_host auth_port auth_ssl username password'.split():
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if key not in config:
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raise SkipTest(
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"Missing required configuration parameter: %s" % key)
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self.auth_host = config['auth_host']
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self.auth_port = int(config['auth_port'])
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self.auth_ssl = config['auth_ssl'] in ('on', 'true', 'yes', '1')
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self.insecure = config_true_value(config.get('insecure', 'false'))
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self.auth_prefix = config.get('auth_prefix', '/')
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self.auth_version = str(config.get('auth_version', '1'))
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self.account = config.get('account')
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self.username = config['username']
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self.password = config['password']
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self.storage_host = None
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self.storage_port = None
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self.storage_url = None
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self.conn_class = None
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def get_account(self):
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return Account(self, self.account)
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def authenticate(self, clone_conn=None):
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if clone_conn:
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self.conn_class = clone_conn.conn_class
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self.storage_host = clone_conn.storage_host
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self.storage_url = clone_conn.storage_url
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self.storage_port = clone_conn.storage_port
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self.storage_token = clone_conn.storage_token
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return
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if self.auth_version == "1":
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auth_path = '%sv1.0' % (self.auth_prefix)
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if self.account:
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auth_user = '%s:%s' % (self.account, self.username)
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else:
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auth_user = self.username
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else:
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auth_user = self.username
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auth_path = self.auth_prefix
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auth_scheme = 'https://' if self.auth_ssl else 'http://'
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auth_netloc = "%s:%d" % (self.auth_host, self.auth_port)
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auth_url = auth_scheme + auth_netloc + auth_path
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authargs = dict(snet=False, tenant_name=self.account,
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auth_version=self.auth_version, os_options={},
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insecure=self.insecure)
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(storage_url, storage_token) = get_auth(
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auth_url, auth_user, self.password, **authargs)
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if not (storage_url and storage_token):
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raise AuthenticationFailed()
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x = storage_url.split('/')
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if x[0] == 'http:':
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self.conn_class = http_client.HTTPConnection
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self.storage_port = 80
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elif x[0] == 'https:':
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self.conn_class = http_client.HTTPSConnection
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self.storage_port = 443
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else:
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raise ValueError('unexpected protocol %s' % (x[0]))
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self.storage_host = x[2].split(':')[0]
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if ':' in x[2]:
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self.storage_port = int(x[2].split(':')[1])
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# Make sure storage_url is a string and not unicode, since
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# keystoneclient (called by swiftclient) returns them in
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# unicode and this would cause troubles when doing
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# no_safe_quote query.
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self.storage_url = str('/%s/%s' % (x[3], x[4]))
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self.account_name = str(x[4])
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self.auth_user = auth_user
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# With v2 keystone, storage_token is unicode.
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# We want it to be string otherwise this would cause
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# troubles when doing query with already encoded
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# non ascii characters in its headers.
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self.storage_token = str(storage_token)
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self.user_acl = '%s:%s' % (self.account, self.username)
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self.http_connect()
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return self.storage_url, self.storage_token
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def cluster_info(self):
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"""
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Retrieve the data in /info, or {} on 404
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"""
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status = self.make_request('GET', '/info',
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cfg={'absolute_path': True})
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if status // 100 == 4:
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return {}
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if not 200 <= status <= 299:
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raise ResponseError(self.response, 'GET', '/info')
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return json.loads(self.response.read())
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def http_connect(self):
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self.connection = self.conn_class(self.storage_host,
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port=self.storage_port)
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# self.connection.set_debuglevel(3)
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def make_path(self, path=None, cfg=None):
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if path is None:
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path = []
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if cfg is None:
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cfg = {}
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if cfg.get('version_only_path'):
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return '/' + self.storage_url.split('/')[1]
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if path:
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quote = urllib.parse.quote
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if cfg.get('no_quote') or cfg.get('no_path_quote'):
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quote = lambda x: x
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return '%s/%s' % (self.storage_url,
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'/'.join([quote(i) for i in path]))
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else:
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return self.storage_url
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def make_headers(self, hdrs, cfg=None):
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if cfg is None:
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cfg = {}
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headers = {}
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if not cfg.get('no_auth_token'):
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headers['X-Auth-Token'] = self.storage_token
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if cfg.get('use_token'):
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headers['X-Auth-Token'] = cfg.get('use_token')
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if isinstance(hdrs, dict):
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headers.update(hdrs)
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return headers
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def make_request(self, method, path=None, data='', hdrs=None, parms=None,
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cfg=None):
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if path is None:
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path = []
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if hdrs is None:
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hdrs = {}
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if parms is None:
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parms = {}
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if cfg is None:
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cfg = {}
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if not cfg.get('absolute_path'):
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# Set absolute_path=True to make a request to exactly the given
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# path, not storage path + given path. Useful for
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# non-account/container/object requests.
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path = self.make_path(path, cfg=cfg)
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headers = self.make_headers(hdrs, cfg=cfg)
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if isinstance(parms, dict) and parms:
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quote = urllib.parse.quote
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if cfg.get('no_quote') or cfg.get('no_parms_quote'):
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quote = lambda x: x
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query_args = ['%s=%s' % (quote(x), quote(str(y)))
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for (x, y) in parms.items()]
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path = '%s?%s' % (path, '&'.join(query_args))
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if not cfg.get('no_content_length'):
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if cfg.get('set_content_length'):
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headers['Content-Length'] = cfg.get('set_content_length')
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else:
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headers['Content-Length'] = len(data)
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def try_request():
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self.http_connect()
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self.connection.request(method, path, data, headers)
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return self.connection.getresponse()
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self.response = None
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try_count = 0
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fail_messages = []
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while try_count < 5:
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try_count += 1
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try:
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self.response = try_request()
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except http_client.HTTPException as e:
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fail_messages.append(safe_repr(e))
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continue
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if self.response.status == 401:
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fail_messages.append("Response 401")
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self.authenticate()
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continue
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elif self.response.status == 503:
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fail_messages.append("Response 503")
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if try_count != 5:
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time.sleep(5)
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continue
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break
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if self.response:
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return self.response.status
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request = "{method} {path} headers: {headers} data: {data}".format(
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method=method, path=path, headers=headers, data=data)
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raise RequestError('Unable to complete http request: %s. '
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'Attempts: %s, Failures: %s' %
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(request, len(fail_messages), fail_messages))
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def put_start(self, path, hdrs=None, parms=None, cfg=None, chunked=False):
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if hdrs is None:
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hdrs = {}
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if parms is None:
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parms = {}
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if cfg is None:
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cfg = {}
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self.http_connect()
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path = self.make_path(path, cfg)
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headers = self.make_headers(hdrs, cfg=cfg)
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if chunked:
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headers['Transfer-Encoding'] = 'chunked'
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headers.pop('Content-Length', None)
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if isinstance(parms, dict) and parms:
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quote = urllib.parse.quote
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if cfg.get('no_quote') or cfg.get('no_parms_quote'):
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quote = lambda x: x
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query_args = ['%s=%s' % (quote(x), quote(str(y)))
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for (x, y) in parms.items()]
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path = '%s?%s' % (path, '&'.join(query_args))
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self.connection = self.conn_class(self.storage_host,
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port=self.storage_port)
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# self.connection.set_debuglevel(3)
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self.connection.putrequest('PUT', path)
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for key, value in headers.items():
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self.connection.putheader(key, value)
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self.connection.endheaders()
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def put_data(self, data, chunked=False):
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if chunked:
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self.connection.send('%x\r\n%s\r\n' % (len(data), data))
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else:
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self.connection.send(data)
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def put_end(self, chunked=False):
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if chunked:
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self.connection.send('0\r\n\r\n')
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self.response = self.connection.getresponse()
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self.connection.close()
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return self.response.status
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class Base(object):
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def __str__(self):
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return self.name
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def header_fields(self, required_fields, optional_fields=None):
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if optional_fields is None:
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optional_fields = ()
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headers = dict(self.conn.response.getheaders())
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ret = {}
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for field in required_fields:
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if field[1] not in headers:
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raise ValueError("%s was not found in response header" %
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(field[1]))
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try:
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ret[field[0]] = int(headers[field[1]])
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except ValueError:
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ret[field[0]] = headers[field[1]]
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for field in optional_fields:
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if field[1] not in headers:
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continue
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try:
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ret[field[0]] = int(headers[field[1]])
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except ValueError:
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ret[field[0]] = headers[field[1]]
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return ret
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class Account(Base):
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def __init__(self, conn, name):
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self.conn = conn
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self.name = str(name)
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def update_metadata(self, metadata=None, cfg=None):
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if metadata is None:
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metadata = {}
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if cfg is None:
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cfg = {}
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headers = dict(("X-Account-Meta-%s" % k, v)
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for k, v in metadata.items())
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self.conn.make_request('POST', self.path, hdrs=headers, cfg=cfg)
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if not 200 <= self.conn.response.status <= 299:
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raise ResponseError(self.conn.response, 'POST',
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self.conn.make_path(self.path))
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return True
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def container(self, container_name):
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return Container(self.conn, self.name, container_name)
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def containers(self, hdrs=None, parms=None, cfg=None):
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if hdrs is None:
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hdrs = {}
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if parms is None:
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parms = {}
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if cfg is None:
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cfg = {}
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format_type = parms.get('format', None)
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if format_type not in [None, 'json', 'xml']:
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raise RequestError('Invalid format: %s' % format_type)
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if format_type is None and 'format' in parms:
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del parms['format']
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status = self.conn.make_request('GET', self.path, hdrs=hdrs,
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parms=parms, cfg=cfg)
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if status == 200:
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if format_type == 'json':
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conts = json.loads(self.conn.response.read())
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for cont in conts:
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cont['name'] = cont['name'].encode('utf-8')
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return conts
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elif format_type == 'xml':
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conts = []
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tree = minidom.parseString(self.conn.response.read())
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for x in tree.getElementsByTagName('container'):
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cont = {}
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for key in ['name', 'count', 'bytes']:
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cont[key] = x.getElementsByTagName(key)[0].\
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childNodes[0].nodeValue
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conts.append(cont)
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for cont in conts:
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cont['name'] = cont['name'].encode('utf-8')
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return conts
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else:
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lines = self.conn.response.read().split('\n')
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if lines and not lines[-1]:
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lines = lines[:-1]
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return lines
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elif status == 204:
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return []
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raise ResponseError(self.conn.response, 'GET',
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self.conn.make_path(self.path))
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def delete_containers(self):
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for c in listing_items(self.containers):
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cont = self.container(c)
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cont.update_metadata(hdrs={'x-versions-location': ''})
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if not cont.delete_recursive():
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return False
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return listing_empty(self.containers)
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|
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def info(self, hdrs=None, parms=None, cfg=None):
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if hdrs is None:
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hdrs = {}
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if parms is None:
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parms = {}
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if cfg is None:
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cfg = {}
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if self.conn.make_request('HEAD', self.path, hdrs=hdrs,
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parms=parms, cfg=cfg) != 204:
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raise ResponseError(self.conn.response, 'HEAD',
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self.conn.make_path(self.path))
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|
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fields = [['object_count', 'x-account-object-count'],
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['container_count', 'x-account-container-count'],
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['bytes_used', 'x-account-bytes-used']]
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|
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return self.header_fields(fields)
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|
|
@property
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def path(self):
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return []
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|
|
|
|
class Container(Base):
|
|
# policy_specified is set in __init__.py when tests are being set up.
|
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policy_specified = None
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|
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def __init__(self, conn, account, name):
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self.conn = conn
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self.account = str(account)
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|
self.name = str(name)
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|
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def create(self, hdrs=None, parms=None, cfg=None):
|
|
if hdrs is None:
|
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hdrs = {}
|
|
if parms is None:
|
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parms = {}
|
|
if cfg is None:
|
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cfg = {}
|
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if self.policy_specified and 'X-Storage-Policy' not in hdrs:
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hdrs['X-Storage-Policy'] = self.policy_specified
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return self.conn.make_request('PUT', self.path, hdrs=hdrs,
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parms=parms, cfg=cfg) in (201, 202)
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|
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def update_metadata(self, hdrs=None, cfg=None):
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|
if hdrs is None:
|
|
hdrs = {}
|
|
if cfg is None:
|
|
cfg = {}
|
|
|
|
self.conn.make_request('POST', self.path, hdrs=hdrs, cfg=cfg)
|
|
if not 200 <= self.conn.response.status <= 299:
|
|
raise ResponseError(self.conn.response, 'POST',
|
|
self.conn.make_path(self.path))
|
|
return True
|
|
|
|
def delete(self, hdrs=None, parms=None):
|
|
if hdrs is None:
|
|
hdrs = {}
|
|
if parms is None:
|
|
parms = {}
|
|
return self.conn.make_request('DELETE', self.path, hdrs=hdrs,
|
|
parms=parms) == 204
|
|
|
|
def delete_files(self):
|
|
for f in listing_items(self.files):
|
|
file_item = self.file(f)
|
|
if not file_item.delete():
|
|
return False
|
|
|
|
return listing_empty(self.files)
|
|
|
|
def delete_recursive(self):
|
|
return self.delete_files() and self.delete()
|
|
|
|
def file(self, file_name):
|
|
return File(self.conn, self.account, self.name, file_name)
|
|
|
|
def files(self, hdrs=None, parms=None, cfg=None):
|
|
if hdrs is None:
|
|
hdrs = {}
|
|
if parms is None:
|
|
parms = {}
|
|
if cfg is None:
|
|
cfg = {}
|
|
format_type = parms.get('format', None)
|
|
if format_type not in [None, 'json', 'xml']:
|
|
raise RequestError('Invalid format: %s' % format_type)
|
|
if format_type is None and 'format' in parms:
|
|
del parms['format']
|
|
|
|
status = self.conn.make_request('GET', self.path, hdrs=hdrs,
|
|
parms=parms, cfg=cfg)
|
|
if status == 200:
|
|
if format_type == 'json':
|
|
files = json.loads(self.conn.response.read())
|
|
|
|
for file_item in files:
|
|
for key in ('name', 'subdir', 'content_type'):
|
|
if key in file_item:
|
|
file_item[key] = file_item[key].encode('utf-8')
|
|
return files
|
|
elif format_type == 'xml':
|
|
files = []
|
|
tree = minidom.parseString(self.conn.response.read())
|
|
container = tree.getElementsByTagName('container')[0]
|
|
for x in container.childNodes:
|
|
file_item = {}
|
|
if x.tagName == 'object':
|
|
for key in ['name', 'hash', 'bytes', 'content_type',
|
|
'last_modified']:
|
|
file_item[key] = x.getElementsByTagName(key)[0].\
|
|
childNodes[0].nodeValue
|
|
elif x.tagName == 'subdir':
|
|
file_item['subdir'] = x.getElementsByTagName(
|
|
'name')[0].childNodes[0].nodeValue
|
|
else:
|
|
raise ValueError('Found unexpected element %s'
|
|
% x.tagName)
|
|
files.append(file_item)
|
|
|
|
for file_item in files:
|
|
if 'subdir' in file_item:
|
|
file_item['subdir'] = file_item['subdir'].\
|
|
encode('utf-8')
|
|
else:
|
|
file_item['name'] = file_item['name'].encode('utf-8')
|
|
file_item['content_type'] = file_item['content_type'].\
|
|
encode('utf-8')
|
|
file_item['bytes'] = int(file_item['bytes'])
|
|
return files
|
|
else:
|
|
content = self.conn.response.read()
|
|
if content:
|
|
lines = content.split('\n')
|
|
if lines and not lines[-1]:
|
|
lines = lines[:-1]
|
|
return lines
|
|
else:
|
|
return []
|
|
elif status == 204:
|
|
return []
|
|
|
|
raise ResponseError(self.conn.response, 'GET',
|
|
self.conn.make_path(self.path))
|
|
|
|
def info(self, hdrs=None, parms=None, cfg=None):
|
|
if hdrs is None:
|
|
hdrs = {}
|
|
if parms is None:
|
|
parms = {}
|
|
if cfg is None:
|
|
cfg = {}
|
|
self.conn.make_request('HEAD', self.path, hdrs=hdrs,
|
|
parms=parms, cfg=cfg)
|
|
|
|
if self.conn.response.status == 204:
|
|
required_fields = [['bytes_used', 'x-container-bytes-used'],
|
|
['object_count', 'x-container-object-count'],
|
|
['last_modified', 'last-modified']]
|
|
optional_fields = [
|
|
# N.B. swift doesn't return both x-versions-location
|
|
# and x-history-location at a response so that this is safe
|
|
# using same variable "versions" for both and it means
|
|
# versioning is enabled.
|
|
['versions', 'x-versions-location'],
|
|
['versions', 'x-history-location'],
|
|
['tempurl_key', 'x-container-meta-temp-url-key'],
|
|
['tempurl_key2', 'x-container-meta-temp-url-key-2']]
|
|
|
|
return self.header_fields(required_fields, optional_fields)
|
|
|
|
raise ResponseError(self.conn.response, 'HEAD',
|
|
self.conn.make_path(self.path))
|
|
|
|
@property
|
|
def path(self):
|
|
return [self.name]
|
|
|
|
|
|
class File(Base):
|
|
def __init__(self, conn, account, container, name):
|
|
self.conn = conn
|
|
self.account = str(account)
|
|
self.container = str(container)
|
|
self.name = str(name)
|
|
|
|
self.chunked_write_in_progress = False
|
|
self.content_type = None
|
|
self.content_range = None
|
|
self.size = None
|
|
self.metadata = {}
|
|
|
|
def make_headers(self, cfg=None):
|
|
if cfg is None:
|
|
cfg = {}
|
|
headers = {}
|
|
if not cfg.get('no_content_length'):
|
|
if cfg.get('set_content_length'):
|
|
headers['Content-Length'] = cfg.get('set_content_length')
|
|
elif self.size:
|
|
headers['Content-Length'] = self.size
|
|
else:
|
|
headers['Content-Length'] = 0
|
|
|
|
if cfg.get('use_token'):
|
|
headers['X-Auth-Token'] = cfg.get('use_token')
|
|
|
|
if cfg.get('no_content_type'):
|
|
pass
|
|
elif self.content_type:
|
|
headers['Content-Type'] = self.content_type
|
|
else:
|
|
headers['Content-Type'] = 'application/octet-stream'
|
|
|
|
for key in self.metadata:
|
|
headers['X-Object-Meta-' + key] = self.metadata[key]
|
|
|
|
return headers
|
|
|
|
@classmethod
|
|
def compute_md5sum(cls, data):
|
|
block_size = 4096
|
|
|
|
if isinstance(data, str):
|
|
data = six.StringIO(data)
|
|
|
|
checksum = hashlib.md5()
|
|
buff = data.read(block_size)
|
|
while buff:
|
|
checksum.update(buff)
|
|
buff = data.read(block_size)
|
|
data.seek(0)
|
|
return checksum.hexdigest()
|
|
|
|
def copy(self, dest_cont, dest_file, hdrs=None, parms=None, cfg=None):
|
|
if hdrs is None:
|
|
hdrs = {}
|
|
if parms is None:
|
|
parms = {}
|
|
if cfg is None:
|
|
cfg = {}
|
|
if 'destination' in cfg:
|
|
headers = {'Destination': cfg['destination']}
|
|
elif cfg.get('no_destination'):
|
|
headers = {}
|
|
else:
|
|
headers = {'Destination': '%s/%s' % (dest_cont, dest_file)}
|
|
headers.update(hdrs)
|
|
|
|
if 'Destination' in headers:
|
|
headers['Destination'] = urllib.parse.quote(headers['Destination'])
|
|
|
|
return self.conn.make_request('COPY', self.path, hdrs=headers,
|
|
parms=parms) == 201
|
|
|
|
def copy_account(self, dest_account, dest_cont, dest_file,
|
|
hdrs=None, parms=None, cfg=None):
|
|
if hdrs is None:
|
|
hdrs = {}
|
|
if parms is None:
|
|
parms = {}
|
|
if cfg is None:
|
|
cfg = {}
|
|
if 'destination' in cfg:
|
|
headers = {'Destination': cfg['destination']}
|
|
elif cfg.get('no_destination'):
|
|
headers = {}
|
|
else:
|
|
headers = {'Destination-Account': dest_account,
|
|
'Destination': '%s/%s' % (dest_cont, dest_file)}
|
|
headers.update(hdrs)
|
|
|
|
if 'Destination-Account' in headers:
|
|
headers['Destination-Account'] = \
|
|
urllib.parse.quote(headers['Destination-Account'])
|
|
if 'Destination' in headers:
|
|
headers['Destination'] = urllib.parse.quote(headers['Destination'])
|
|
|
|
return self.conn.make_request('COPY', self.path, hdrs=headers,
|
|
parms=parms) == 201
|
|
|
|
def delete(self, hdrs=None, parms=None, cfg=None):
|
|
if hdrs is None:
|
|
hdrs = {}
|
|
if parms is None:
|
|
parms = {}
|
|
if self.conn.make_request('DELETE', self.path, hdrs=hdrs,
|
|
cfg=cfg, parms=parms) != 204:
|
|
|
|
raise ResponseError(self.conn.response, 'DELETE',
|
|
self.conn.make_path(self.path))
|
|
|
|
return True
|
|
|
|
def info(self, hdrs=None, parms=None, cfg=None):
|
|
if hdrs is None:
|
|
hdrs = {}
|
|
if parms is None:
|
|
parms = {}
|
|
if cfg is None:
|
|
cfg = {}
|
|
if self.conn.make_request('HEAD', self.path, hdrs=hdrs,
|
|
parms=parms, cfg=cfg) != 200:
|
|
|
|
raise ResponseError(self.conn.response, 'HEAD',
|
|
self.conn.make_path(self.path))
|
|
|
|
fields = [['content_length', 'content-length'],
|
|
['content_type', 'content-type'],
|
|
['last_modified', 'last-modified'],
|
|
['etag', 'etag']]
|
|
optional_fields = [['x_object_manifest', 'x-object-manifest']]
|
|
|
|
header_fields = self.header_fields(fields,
|
|
optional_fields=optional_fields)
|
|
header_fields['etag'] = header_fields['etag'].strip('"')
|
|
return header_fields
|
|
|
|
def initialize(self, hdrs=None, parms=None):
|
|
if hdrs is None:
|
|
hdrs = {}
|
|
if parms is None:
|
|
parms = {}
|
|
if not self.name:
|
|
return False
|
|
|
|
status = self.conn.make_request('HEAD', self.path, hdrs=hdrs,
|
|
parms=parms)
|
|
if status == 404:
|
|
return False
|
|
elif (status < 200) or (status > 299):
|
|
raise ResponseError(self.conn.response, 'HEAD',
|
|
self.conn.make_path(self.path))
|
|
|
|
for hdr in self.conn.response.getheaders():
|
|
if hdr[0].lower() == 'content-type':
|
|
self.content_type = hdr[1]
|
|
if hdr[0].lower().startswith('x-object-meta-'):
|
|
self.metadata[hdr[0][14:]] = hdr[1]
|
|
if hdr[0].lower() == 'etag':
|
|
self.etag = hdr[1].strip('"')
|
|
if hdr[0].lower() == 'content-length':
|
|
self.size = int(hdr[1])
|
|
if hdr[0].lower() == 'last-modified':
|
|
self.last_modified = hdr[1]
|
|
|
|
return True
|
|
|
|
def load_from_filename(self, filename, callback=None):
|
|
fobj = open(filename, 'rb')
|
|
self.write(fobj, callback=callback)
|
|
fobj.close()
|
|
|
|
@property
|
|
def path(self):
|
|
return [self.container, self.name]
|
|
|
|
@classmethod
|
|
def random_data(cls, size=None):
|
|
if size is None:
|
|
size = random.randint(1, 32768)
|
|
fd = open('/dev/urandom', 'r')
|
|
data = fd.read(size)
|
|
fd.close()
|
|
return data
|
|
|
|
def read(self, size=-1, offset=0, hdrs=None, buffer=None,
|
|
callback=None, cfg=None, parms=None):
|
|
if cfg is None:
|
|
cfg = {}
|
|
if parms is None:
|
|
parms = {}
|
|
|
|
if size > 0:
|
|
range_string = 'bytes=%d-%d' % (offset, (offset + size) - 1)
|
|
if hdrs:
|
|
hdrs['Range'] = range_string
|
|
else:
|
|
hdrs = {'Range': range_string}
|
|
|
|
status = self.conn.make_request('GET', self.path, hdrs=hdrs,
|
|
cfg=cfg, parms=parms)
|
|
|
|
if (status < 200) or (status > 299):
|
|
raise ResponseError(self.conn.response, 'GET',
|
|
self.conn.make_path(self.path))
|
|
|
|
for hdr in self.conn.response.getheaders():
|
|
if hdr[0].lower() == 'content-type':
|
|
self.content_type = hdr[1]
|
|
if hdr[0].lower() == 'content-range':
|
|
self.content_range = hdr[1]
|
|
|
|
if hasattr(buffer, 'write'):
|
|
scratch = self.conn.response.read(8192)
|
|
transferred = 0
|
|
|
|
while len(scratch) > 0:
|
|
buffer.write(scratch)
|
|
transferred += len(scratch)
|
|
if callable(callback):
|
|
callback(transferred, self.size)
|
|
scratch = self.conn.response.read(8192)
|
|
return None
|
|
else:
|
|
return self.conn.response.read()
|
|
|
|
def read_md5(self):
|
|
status = self.conn.make_request('GET', self.path)
|
|
|
|
if (status < 200) or (status > 299):
|
|
raise ResponseError(self.conn.response, 'GET',
|
|
self.conn.make_path(self.path))
|
|
|
|
checksum = hashlib.md5()
|
|
|
|
scratch = self.conn.response.read(8192)
|
|
while len(scratch) > 0:
|
|
checksum.update(scratch)
|
|
scratch = self.conn.response.read(8192)
|
|
|
|
return checksum.hexdigest()
|
|
|
|
def save_to_filename(self, filename, callback=None):
|
|
try:
|
|
fobj = open(filename, 'wb')
|
|
self.read(buffer=fobj, callback=callback)
|
|
finally:
|
|
fobj.close()
|
|
|
|
def sync_metadata(self, metadata=None, cfg=None, parms=None):
|
|
if cfg is None:
|
|
cfg = {}
|
|
|
|
self.metadata = self.metadata if metadata is None else metadata
|
|
|
|
if self.metadata:
|
|
headers = self.make_headers(cfg=cfg)
|
|
if not cfg.get('no_content_length'):
|
|
if cfg.get('set_content_length'):
|
|
headers['Content-Length'] = \
|
|
cfg.get('set_content_length')
|
|
else:
|
|
headers['Content-Length'] = 0
|
|
|
|
self.conn.make_request('POST', self.path, hdrs=headers,
|
|
parms=parms, cfg=cfg)
|
|
|
|
if self.conn.response.status not in (201, 202):
|
|
raise ResponseError(self.conn.response, 'POST',
|
|
self.conn.make_path(self.path))
|
|
|
|
return True
|
|
|
|
def chunked_write(self, data=None, hdrs=None, parms=None, cfg=None):
|
|
if hdrs is None:
|
|
hdrs = {}
|
|
if parms is None:
|
|
parms = {}
|
|
if cfg is None:
|
|
cfg = {}
|
|
|
|
if data is not None and self.chunked_write_in_progress:
|
|
self.conn.put_data(data, True)
|
|
elif data is not None:
|
|
self.chunked_write_in_progress = True
|
|
|
|
headers = self.make_headers(cfg=cfg)
|
|
headers.update(hdrs)
|
|
|
|
self.conn.put_start(self.path, hdrs=headers, parms=parms,
|
|
cfg=cfg, chunked=True)
|
|
|
|
self.conn.put_data(data, True)
|
|
elif self.chunked_write_in_progress:
|
|
self.chunked_write_in_progress = False
|
|
return self.conn.put_end(True) == 201
|
|
else:
|
|
raise RuntimeError
|
|
|
|
def write(self, data='', hdrs=None, parms=None, callback=None, cfg=None,
|
|
return_resp=False):
|
|
if hdrs is None:
|
|
hdrs = {}
|
|
if parms is None:
|
|
parms = {}
|
|
if cfg is None:
|
|
cfg = {}
|
|
|
|
block_size = 2 ** 20
|
|
|
|
if isinstance(data, file):
|
|
try:
|
|
data.flush()
|
|
data.seek(0)
|
|
except IOError:
|
|
pass
|
|
self.size = int(os.fstat(data.fileno())[6])
|
|
else:
|
|
data = six.StringIO(data)
|
|
self.size = data.len
|
|
|
|
headers = self.make_headers(cfg=cfg)
|
|
headers.update(hdrs)
|
|
|
|
self.conn.put_start(self.path, hdrs=headers, parms=parms, cfg=cfg)
|
|
|
|
transferred = 0
|
|
buff = data.read(block_size)
|
|
buff_len = len(buff)
|
|
try:
|
|
while buff_len > 0:
|
|
self.conn.put_data(buff)
|
|
transferred += buff_len
|
|
if callable(callback):
|
|
callback(transferred, self.size)
|
|
buff = data.read(block_size)
|
|
buff_len = len(buff)
|
|
|
|
self.conn.put_end()
|
|
except socket.timeout as err:
|
|
raise err
|
|
|
|
if (self.conn.response.status < 200) or \
|
|
(self.conn.response.status > 299):
|
|
raise ResponseError(self.conn.response, 'PUT',
|
|
self.conn.make_path(self.path))
|
|
|
|
try:
|
|
data.seek(0)
|
|
except IOError:
|
|
pass
|
|
self.md5 = self.compute_md5sum(data)
|
|
|
|
if return_resp:
|
|
return self.conn.response
|
|
|
|
return True
|
|
|
|
def write_random(self, size=None, hdrs=None, parms=None, cfg=None):
|
|
if hdrs is None:
|
|
hdrs = {}
|
|
if parms is None:
|
|
parms = {}
|
|
if cfg is None:
|
|
cfg = {}
|
|
|
|
data = self.random_data(size)
|
|
if not self.write(data, hdrs=hdrs, parms=parms, cfg=cfg):
|
|
raise ResponseError(self.conn.response, 'PUT',
|
|
self.conn.make_path(self.path))
|
|
self.md5 = self.compute_md5sum(six.StringIO(data))
|
|
return data
|
|
|
|
def write_random_return_resp(self, size=None, hdrs=None, parms=None,
|
|
cfg=None):
|
|
if hdrs is None:
|
|
hdrs = {}
|
|
if parms is None:
|
|
parms = {}
|
|
if cfg is None:
|
|
cfg = {}
|
|
|
|
data = self.random_data(size)
|
|
resp = self.write(data, hdrs=hdrs, parms=parms, cfg=cfg,
|
|
return_resp=True)
|
|
if not resp:
|
|
raise ResponseError(self.conn.response)
|
|
self.md5 = self.compute_md5sum(six.StringIO(data))
|
|
return resp
|
|
|
|
def post(self, hdrs=None, parms=None, cfg=None, return_resp=False):
|
|
if hdrs is None:
|
|
hdrs = {}
|
|
if parms is None:
|
|
parms = {}
|
|
if cfg is None:
|
|
cfg = {}
|
|
|
|
headers = self.make_headers(cfg=cfg)
|
|
headers.update(hdrs)
|
|
|
|
self.conn.make_request('POST', self.path, hdrs=headers,
|
|
parms=parms, cfg=cfg)
|
|
|
|
if self.conn.response.status not in (201, 202):
|
|
raise ResponseError(self.conn.response, 'POST',
|
|
self.conn.make_path(self.path))
|
|
|
|
if return_resp:
|
|
return self.conn.response
|
|
|
|
return True
|