root / kamaki / clients / pithos / __init__.py @ edc1182f
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# Copyright 2011-2013 GRNET S.A. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or
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# without modification, are permitted provided that the following
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# conditions are met:
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#
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# 1. Redistributions of source code must retain the above
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# copyright notice, this list of conditions and the following
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# disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials
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# provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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# The views and conclusions contained in the software and
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# documentation are those of the authors and should not be
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# interpreted as representing official policies, either expressed
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# or implied, of GRNET S.A.
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from threading import enumerate as activethreads |
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from os import fstat |
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from hashlib import new as newhashlib |
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from time import time |
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from StringIO import StringIO |
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from binascii import hexlify |
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from kamaki.clients import SilentEvent, sendlog |
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from kamaki.clients.pithos.rest_api import PithosRestClient |
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from kamaki.clients.storage import ClientError |
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from kamaki.clients.utils import path4url, filter_in, readall |
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def _pithos_hash(block, blockhash): |
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h = newhashlib(blockhash) |
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h.update(block.rstrip('\x00'))
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return h.hexdigest()
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def _range_up(start, end, max_value, a_range): |
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"""
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:param start: (int) the window bottom
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:param end: (int) the window top
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:param max_value: (int) maximum accepted value
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:param a_range: (str) a range string in the form X[,X'[,X''[...]]]
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where X: x|x-y|-x where x < y and x, y natural numbers
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:returns: (str) a range string cut-off for the start-end range
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an empty response means this window is out of range
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"""
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assert start >= 0, '_range_up was called with start < 0' |
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assert end >= start, '_range_up was called with end < start' |
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assert end <= max_value, '_range_up was called with max_value < end' |
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if not a_range: |
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return '%s-%s' % (start, end) |
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selected = [] |
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for some_range in a_range.split(','): |
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v0, sep, v1 = some_range.partition('-')
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if v0:
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v0 = int(v0)
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if sep:
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v1 = int(v1)
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if v1 < start or v0 > end or v1 < v0: |
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continue
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v0 = v0 if v0 > start else start |
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v1 = v1 if v1 < end else end |
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selected.append('%s-%s' % (v0, v1))
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elif v0 < start:
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continue
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else:
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v1 = v0 if v0 <= end else end |
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selected.append('%s-%s' % (start, v1))
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else:
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v1 = int(v1)
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if max_value - v1 > end:
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continue
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v0 = (max_value - v1) if max_value - v1 > start else start |
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selected.append('%s-%s' % (v0, end))
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return ','.join(selected) |
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class PithosClient(PithosRestClient): |
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"""Synnefo Pithos+ API client"""
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def __init__(self, base_url, token, account=None, container=None): |
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super(PithosClient, self).__init__(base_url, token, account, container) |
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def create_container( |
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self,
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container=None, sizelimit=None, versioning=None, metadata=None, |
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**kwargs): |
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"""
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:param container: (str) if not given, self.container is used instead
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:param sizelimit: (int) container total size limit in bytes
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:param versioning: (str) can be auto or whatever supported by server
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:param metadata: (dict) Custom user-defined metadata of the form
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{ 'name1': 'value1', 'name2': 'value2', ... }
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:returns: (dict) response headers
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"""
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cnt_back_up = self.container
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try:
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self.container = container or cnt_back_up |
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r = self.container_put(
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quota=sizelimit, versioning=versioning, metadata=metadata, |
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**kwargs) |
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return r.headers
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finally:
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self.container = cnt_back_up
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def purge_container(self, container=None): |
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"""Delete an empty container and destroy associated blocks
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"""
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cnt_back_up = self.container
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try:
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self.container = container or cnt_back_up |
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r = self.container_delete(until=unicode(time())) |
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finally:
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self.container = cnt_back_up
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return r.headers
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def upload_object_unchunked( |
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self, obj, f,
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withHashFile=False,
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size=None,
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etag=None,
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content_encoding=None,
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content_disposition=None,
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content_type=None,
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sharing=None,
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public=None):
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"""
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:param obj: (str) remote object path
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:param f: open file descriptor
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:param withHashFile: (bool)
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:param size: (int) size of data to upload
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:param etag: (str)
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:param content_encoding: (str)
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:param content_disposition: (str)
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:param content_type: (str)
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:param sharing: {'read':[user and/or grp names],
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'write':[usr and/or grp names]}
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:param public: (bool)
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:returns: (dict) created object metadata
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"""
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self._assert_container()
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if withHashFile:
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data = f.read() |
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try:
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import json |
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data = json.dumps(json.loads(data)) |
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except ValueError: |
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raise ClientError('"%s" is not json-formated' % f.name, 1) |
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except SyntaxError: |
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msg = '"%s" is not a valid hashmap file' % f.name
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raise ClientError(msg, 1) |
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f = StringIO(data) |
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else:
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data = readall(f, size) if size else f.read() |
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r = self.object_put(
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obj, |
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data=data, |
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etag=etag, |
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content_encoding=content_encoding, |
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content_disposition=content_disposition, |
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content_type=content_type, |
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permissions=sharing, |
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public=public, |
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success=201)
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return r.headers
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def create_object_by_manifestation( |
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self, obj,
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etag=None,
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content_encoding=None,
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content_disposition=None,
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content_type=None,
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sharing=None,
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public=None):
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"""
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:param obj: (str) remote object path
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:param etag: (str)
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:param content_encoding: (str)
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:param content_disposition: (str)
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:param content_type: (str)
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:param sharing: {'read':[user and/or grp names],
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'write':[usr and/or grp names]}
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:param public: (bool)
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:returns: (dict) created object metadata
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"""
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self._assert_container()
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r = self.object_put(
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obj, |
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content_length=0,
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etag=etag, |
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content_encoding=content_encoding, |
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content_disposition=content_disposition, |
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content_type=content_type, |
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permissions=sharing, |
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public=public, |
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manifest='%s/%s' % (self.container, obj)) |
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return r.headers
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# upload_* auxiliary methods
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def _put_block_async(self, data, hash): |
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event = SilentEvent(method=self._put_block, data=data, hash=hash) |
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event.start() |
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return event
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def _put_block(self, data, hash): |
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r = self.container_post(
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update=True,
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content_type='application/octet-stream',
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content_length=len(data),
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data=data, |
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format='json')
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assert r.json[0] == hash, 'Local hash does not match server' |
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def _get_file_block_info(self, fileobj, size=None, cache=None): |
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"""
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:param fileobj: (file descriptor) source
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:param size: (int) size of data to upload from source
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:param cache: (dict) if provided, cache container info response to
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avoid redundant calls
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"""
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if isinstance(cache, dict): |
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try:
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meta = cache[self.container]
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except KeyError: |
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meta = self.get_container_info()
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cache[self.container] = meta
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else:
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meta = self.get_container_info()
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blocksize = int(meta['x-container-block-size']) |
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blockhash = meta['x-container-block-hash']
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size = size if size is not None else fstat(fileobj.fileno()).st_size |
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nblocks = 1 + (size - 1) // blocksize |
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return (blocksize, blockhash, size, nblocks)
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def _create_object_or_get_missing_hashes( |
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self, obj, json,
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size=None,
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format='json',
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hashmap=True,
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content_type=None,
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if_etag_match=None,
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if_etag_not_match=None,
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content_encoding=None,
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content_disposition=None,
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permissions=None,
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public=None,
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success=(201, 409)): |
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r = self.object_put(
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obj, |
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format='json',
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hashmap=True,
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content_type=content_type, |
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json=json, |
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if_etag_match=if_etag_match, |
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if_etag_not_match=if_etag_not_match, |
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content_encoding=content_encoding, |
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content_disposition=content_disposition, |
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permissions=permissions, |
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public=public, |
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success=success) |
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return (None if r.status_code == 201 else r.json), r.headers |
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def _calculate_blocks_for_upload( |
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self, blocksize, blockhash, size, nblocks, hashes, hmap, fileobj,
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hash_cb=None):
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offset = 0
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if hash_cb:
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hash_gen = hash_cb(nblocks) |
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hash_gen.next() |
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for i in range(nblocks): |
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block = readall(fileobj, min(blocksize, size - offset))
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bytes = len(block)
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hash = _pithos_hash(block, blockhash) |
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hashes.append(hash)
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hmap[hash] = (offset, bytes) |
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offset += bytes
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if hash_cb:
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hash_gen.next() |
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msg = ('Failed to calculate uploaded blocks:'
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' Offset and object size do not match')
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assert offset == size, msg
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def _upload_missing_blocks(self, missing, hmap, fileobj, upload_gen=None): |
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"""upload missing blocks asynchronously"""
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self._init_thread_limit()
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flying = [] |
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failures = [] |
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for hash in missing: |
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offset, bytes = hmap[hash]
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fileobj.seek(offset) |
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data = readall(fileobj, bytes)
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r = self._put_block_async(data, hash) |
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flying.append(r) |
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unfinished = self._watch_thread_limit(flying)
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for thread in set(flying).difference(unfinished): |
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if thread.exception:
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failures.append(thread) |
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if isinstance( |
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thread.exception, |
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ClientError) and thread.exception.status == 502: |
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self.POOLSIZE = self._thread_limit |
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elif thread.isAlive():
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flying.append(thread) |
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elif upload_gen:
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try:
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upload_gen.next() |
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except:
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pass
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flying = unfinished |
359 |
|
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for thread in flying: |
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thread.join() |
362 |
if thread.exception:
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failures.append(thread) |
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elif upload_gen:
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try:
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upload_gen.next() |
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except:
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pass
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return [failure.kwargs['hash'] for failure in failures] |
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|
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def upload_object( |
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self, obj, f,
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size=None,
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hash_cb=None,
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upload_cb=None,
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etag=None,
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if_etag_match=None,
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if_not_exist=None,
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content_encoding=None,
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content_disposition=None,
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content_type=None,
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sharing=None,
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public=None,
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container_info_cache=None):
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"""Upload an object using multiple connections (threads)
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|
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:param obj: (str) remote object path
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|
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:param f: open file descriptor (rb)
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|
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:param hash_cb: optional progress.bar object for calculating hashes
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393 |
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:param upload_cb: optional progress.bar object for uploading
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395 |
|
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:param etag: (str)
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|
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:param if_etag_match: (str) Push that value to if-match header at file
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creation
|
400 |
|
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:param if_not_exist: (bool) If true, the file will be uploaded ONLY if
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it does not exist remotely, otherwise the operation will fail.
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Involves the case of an object with the same path is created while
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the object is being uploaded.
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405 |
|
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:param content_encoding: (str)
|
407 |
|
408 |
:param content_disposition: (str)
|
409 |
|
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:param content_type: (str)
|
411 |
|
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:param sharing: {'read':[user and/or grp names],
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'write':[usr and/or grp names]}
|
414 |
|
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:param public: (bool)
|
416 |
|
417 |
:param container_info_cache: (dict) if given, avoid redundant calls to
|
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server for container info (block size and hash information)
|
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"""
|
420 |
self._assert_container()
|
421 |
|
422 |
block_info = ( |
423 |
blocksize, blockhash, size, nblocks) = self._get_file_block_info(
|
424 |
f, size, container_info_cache) |
425 |
(hashes, hmap, offset) = ([], {}, 0)
|
426 |
if not content_type: |
427 |
content_type = 'application/octet-stream'
|
428 |
|
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self._calculate_blocks_for_upload(
|
430 |
*block_info, |
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hashes=hashes, |
432 |
hmap=hmap, |
433 |
fileobj=f, |
434 |
hash_cb=hash_cb) |
435 |
|
436 |
hashmap = dict(bytes=size, hashes=hashes)
|
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missing, obj_headers = self._create_object_or_get_missing_hashes(
|
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obj, hashmap, |
439 |
content_type=content_type, |
440 |
size=size, |
441 |
if_etag_match=if_etag_match, |
442 |
if_etag_not_match='*' if if_not_exist else None, |
443 |
content_encoding=content_encoding, |
444 |
content_disposition=content_disposition, |
445 |
permissions=sharing, |
446 |
public=public) |
447 |
|
448 |
if missing is None: |
449 |
return obj_headers
|
450 |
|
451 |
if upload_cb:
|
452 |
upload_gen = upload_cb(len(missing))
|
453 |
for i in range(len(missing), len(hashmap['hashes']) + 1): |
454 |
try:
|
455 |
upload_gen.next() |
456 |
except:
|
457 |
upload_gen = None
|
458 |
else:
|
459 |
upload_gen = None
|
460 |
|
461 |
retries = 7
|
462 |
try:
|
463 |
while retries:
|
464 |
sendlog.info('%s blocks missing' % len(missing)) |
465 |
num_of_blocks = len(missing)
|
466 |
missing = self._upload_missing_blocks(
|
467 |
missing, |
468 |
hmap, |
469 |
f, |
470 |
upload_gen) |
471 |
if missing:
|
472 |
if num_of_blocks == len(missing): |
473 |
retries -= 1
|
474 |
else:
|
475 |
num_of_blocks = len(missing)
|
476 |
else:
|
477 |
break
|
478 |
if missing:
|
479 |
try:
|
480 |
details = ['%s' % thread.exception for thread in missing] |
481 |
except Exception: |
482 |
details = ['Also, failed to read thread exceptions']
|
483 |
raise ClientError(
|
484 |
'%s blocks failed to upload' % len(missing), |
485 |
details=details) |
486 |
except KeyboardInterrupt: |
487 |
sendlog.info('- - - wait for threads to finish')
|
488 |
for thread in activethreads(): |
489 |
thread.join() |
490 |
raise
|
491 |
|
492 |
r = self.object_put(
|
493 |
obj, |
494 |
format='json',
|
495 |
hashmap=True,
|
496 |
content_type=content_type, |
497 |
content_encoding=content_encoding, |
498 |
if_etag_match=if_etag_match, |
499 |
if_etag_not_match='*' if if_not_exist else None, |
500 |
etag=etag, |
501 |
json=hashmap, |
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permissions=sharing, |
503 |
public=public, |
504 |
success=201)
|
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return r.headers
|
506 |
|
507 |
def upload_from_string( |
508 |
self, obj, input_str,
|
509 |
hash_cb=None,
|
510 |
upload_cb=None,
|
511 |
etag=None,
|
512 |
if_etag_match=None,
|
513 |
if_not_exist=None,
|
514 |
content_encoding=None,
|
515 |
content_disposition=None,
|
516 |
content_type=None,
|
517 |
sharing=None,
|
518 |
public=None,
|
519 |
container_info_cache=None):
|
520 |
"""Upload an object using multiple connections (threads)
|
521 |
|
522 |
:param obj: (str) remote object path
|
523 |
|
524 |
:param input_str: (str) upload content
|
525 |
|
526 |
:param hash_cb: optional progress.bar object for calculating hashes
|
527 |
|
528 |
:param upload_cb: optional progress.bar object for uploading
|
529 |
|
530 |
:param etag: (str)
|
531 |
|
532 |
:param if_etag_match: (str) Push that value to if-match header at file
|
533 |
creation
|
534 |
|
535 |
:param if_not_exist: (bool) If true, the file will be uploaded ONLY if
|
536 |
it does not exist remotely, otherwise the operation will fail.
|
537 |
Involves the case of an object with the same path is created while
|
538 |
the object is being uploaded.
|
539 |
|
540 |
:param content_encoding: (str)
|
541 |
|
542 |
:param content_disposition: (str)
|
543 |
|
544 |
:param content_type: (str)
|
545 |
|
546 |
:param sharing: {'read':[user and/or grp names],
|
547 |
'write':[usr and/or grp names]}
|
548 |
|
549 |
:param public: (bool)
|
550 |
|
551 |
:param container_info_cache: (dict) if given, avoid redundant calls to
|
552 |
server for container info (block size and hash information)
|
553 |
"""
|
554 |
self._assert_container()
|
555 |
|
556 |
blocksize, blockhash, size, nblocks = self._get_file_block_info(
|
557 |
fileobj=None, size=len(input_str), cache=container_info_cache) |
558 |
(hashes, hmap, offset) = ([], {}, 0)
|
559 |
if not content_type: |
560 |
content_type = 'application/octet-stream'
|
561 |
|
562 |
hashes = [] |
563 |
hmap = {} |
564 |
for blockid in range(nblocks): |
565 |
start = blockid * blocksize |
566 |
block = input_str[start: (start + blocksize)] |
567 |
hashes.append(_pithos_hash(block, blockhash)) |
568 |
hmap[hashes[blockid]] = (start, block) |
569 |
|
570 |
hashmap = dict(bytes=size, hashes=hashes)
|
571 |
missing, obj_headers = self._create_object_or_get_missing_hashes(
|
572 |
obj, hashmap, |
573 |
content_type=content_type, |
574 |
size=size, |
575 |
if_etag_match=if_etag_match, |
576 |
if_etag_not_match='*' if if_not_exist else None, |
577 |
content_encoding=content_encoding, |
578 |
content_disposition=content_disposition, |
579 |
permissions=sharing, |
580 |
public=public) |
581 |
if missing is None: |
582 |
return obj_headers
|
583 |
num_of_missing = len(missing)
|
584 |
|
585 |
if upload_cb:
|
586 |
self.progress_bar_gen = upload_cb(nblocks)
|
587 |
for i in range(nblocks + 1 - num_of_missing): |
588 |
self._cb_next()
|
589 |
|
590 |
tries = 7
|
591 |
old_failures = 0
|
592 |
try:
|
593 |
while tries and missing: |
594 |
flying = [] |
595 |
failures = [] |
596 |
for hash in missing: |
597 |
offset, block = hmap[hash]
|
598 |
bird = self._put_block_async(block, hash) |
599 |
flying.append(bird) |
600 |
unfinished = self._watch_thread_limit(flying)
|
601 |
for thread in set(flying).difference(unfinished): |
602 |
if thread.exception:
|
603 |
failures.append(thread.kwargs['hash'])
|
604 |
if thread.isAlive():
|
605 |
flying.append(thread) |
606 |
else:
|
607 |
self._cb_next()
|
608 |
flying = unfinished |
609 |
for thread in flying: |
610 |
thread.join() |
611 |
if thread.exception:
|
612 |
failures.append(thread.kwargs['hash'])
|
613 |
self._cb_next()
|
614 |
missing = failures |
615 |
if missing and len(missing) == old_failures: |
616 |
tries -= 1
|
617 |
old_failures = len(missing)
|
618 |
if missing:
|
619 |
raise ClientError(
|
620 |
'%s blocks failed to upload' % len(missing), |
621 |
details=['%s' % thread.exception for thread in missing]) |
622 |
except KeyboardInterrupt: |
623 |
sendlog.info('- - - wait for threads to finish')
|
624 |
for thread in activethreads(): |
625 |
thread.join() |
626 |
raise
|
627 |
|
628 |
r = self.object_put(
|
629 |
obj, |
630 |
format='json',
|
631 |
hashmap=True,
|
632 |
content_type=content_type, |
633 |
content_encoding=content_encoding, |
634 |
if_etag_match=if_etag_match, |
635 |
if_etag_not_match='*' if if_not_exist else None, |
636 |
etag=etag, |
637 |
json=hashmap, |
638 |
permissions=sharing, |
639 |
public=public, |
640 |
success=201)
|
641 |
return r.headers
|
642 |
|
643 |
# download_* auxiliary methods
|
644 |
def _get_remote_blocks_info(self, obj, **restargs): |
645 |
#retrieve object hashmap
|
646 |
myrange = restargs.pop('data_range', None) |
647 |
hashmap = self.get_object_hashmap(obj, **restargs)
|
648 |
restargs['data_range'] = myrange
|
649 |
blocksize = int(hashmap['block_size']) |
650 |
blockhash = hashmap['block_hash']
|
651 |
total_size = hashmap['bytes']
|
652 |
#assert total_size/blocksize + 1 == len(hashmap['hashes'])
|
653 |
map_dict = {} |
654 |
for i, h in enumerate(hashmap['hashes']): |
655 |
# map_dict[h] = i CHAGE
|
656 |
if h in map_dict: |
657 |
map_dict[h].append(i) |
658 |
else:
|
659 |
map_dict[h] = [i] |
660 |
return (blocksize, blockhash, total_size, hashmap['hashes'], map_dict) |
661 |
|
662 |
def _dump_blocks_sync( |
663 |
self, obj, remote_hashes, blocksize, total_size, dst, crange,
|
664 |
**args): |
665 |
if not total_size: |
666 |
return
|
667 |
for blockid, blockhash in enumerate(remote_hashes): |
668 |
if blockhash:
|
669 |
start = blocksize * blockid |
670 |
is_last = start + blocksize > total_size |
671 |
end = (total_size - 1) if is_last else (start + blocksize - 1) |
672 |
data_range = _range_up(start, end, total_size, crange) |
673 |
if not data_range: |
674 |
self._cb_next()
|
675 |
continue
|
676 |
args['data_range'] = 'bytes=%s' % data_range |
677 |
r = self.object_get(obj, success=(200, 206), **args) |
678 |
self._cb_next()
|
679 |
dst.write(r.content) |
680 |
dst.flush() |
681 |
|
682 |
def _get_block_async(self, obj, **args): |
683 |
event = SilentEvent(self.object_get, obj, success=(200, 206), **args) |
684 |
event.start() |
685 |
return event
|
686 |
|
687 |
def _hash_from_file(self, fp, start, size, blockhash): |
688 |
fp.seek(start) |
689 |
block = readall(fp, size) |
690 |
h = newhashlib(blockhash) |
691 |
h.update(block.strip('\x00'))
|
692 |
return hexlify(h.digest())
|
693 |
|
694 |
def _thread2file(self, flying, blockids, local_file, offset=0, **restargs): |
695 |
"""write the results of a greenleted rest call to a file
|
696 |
|
697 |
:param offset: the offset of the file up to blocksize
|
698 |
- e.g. if the range is 10-100, all blocks will be written to
|
699 |
normal_position - 10
|
700 |
"""
|
701 |
for key, g in flying.items(): |
702 |
if g.isAlive():
|
703 |
continue
|
704 |
if g.exception:
|
705 |
raise g.exception
|
706 |
block = g.value.content |
707 |
for block_start in blockids[key]: |
708 |
local_file.seek(block_start + offset) |
709 |
local_file.write(block) |
710 |
self._cb_next()
|
711 |
flying.pop(key) |
712 |
blockids.pop(key) |
713 |
local_file.flush() |
714 |
|
715 |
def _dump_blocks_async( |
716 |
self, obj, remote_hashes, blocksize, total_size, local_file,
|
717 |
blockhash=None, resume=False, filerange=None, **restargs): |
718 |
file_size = fstat(local_file.fileno()).st_size if resume else 0 |
719 |
flying = dict()
|
720 |
blockid_dict = dict()
|
721 |
offset = 0
|
722 |
|
723 |
self._init_thread_limit()
|
724 |
for block_hash, blockids in remote_hashes.items(): |
725 |
blockids = [blk * blocksize for blk in blockids] |
726 |
unsaved = [blk for blk in blockids if not ( |
727 |
blk < file_size and block_hash == self._hash_from_file( |
728 |
local_file, blk, blocksize, blockhash))] |
729 |
self._cb_next(len(blockids) - len(unsaved)) |
730 |
if unsaved:
|
731 |
key = unsaved[0]
|
732 |
self._watch_thread_limit(flying.values())
|
733 |
self._thread2file(
|
734 |
flying, blockid_dict, local_file, offset, |
735 |
**restargs) |
736 |
end = total_size - 1 if ( |
737 |
key + blocksize > total_size) else key + blocksize - 1 |
738 |
data_range = _range_up(key, end, total_size, filerange) |
739 |
if not data_range: |
740 |
self._cb_next()
|
741 |
continue
|
742 |
restargs['async_headers'] = {'Range': 'bytes=%s' % data_range} |
743 |
flying[key] = self._get_block_async(obj, **restargs)
|
744 |
blockid_dict[key] = unsaved |
745 |
|
746 |
for thread in flying.values(): |
747 |
thread.join() |
748 |
self._thread2file(flying, blockid_dict, local_file, offset, **restargs)
|
749 |
|
750 |
def download_object( |
751 |
self, obj, dst,
|
752 |
download_cb=None,
|
753 |
version=None,
|
754 |
resume=False,
|
755 |
range_str=None,
|
756 |
if_match=None,
|
757 |
if_none_match=None,
|
758 |
if_modified_since=None,
|
759 |
if_unmodified_since=None):
|
760 |
"""Download an object (multiple connections, random blocks)
|
761 |
|
762 |
:param obj: (str) remote object path
|
763 |
|
764 |
:param dst: open file descriptor (wb+)
|
765 |
|
766 |
:param download_cb: optional progress.bar object for downloading
|
767 |
|
768 |
:param version: (str) file version
|
769 |
|
770 |
:param resume: (bool) if set, preserve already downloaded file parts
|
771 |
|
772 |
:param range_str: (str) from, to are file positions (int) in bytes
|
773 |
|
774 |
:param if_match: (str)
|
775 |
|
776 |
:param if_none_match: (str)
|
777 |
|
778 |
:param if_modified_since: (str) formated date
|
779 |
|
780 |
:param if_unmodified_since: (str) formated date"""
|
781 |
restargs = dict(
|
782 |
version=version, |
783 |
data_range=None if range_str is None else 'bytes=%s' % range_str, |
784 |
if_match=if_match, |
785 |
if_none_match=if_none_match, |
786 |
if_modified_since=if_modified_since, |
787 |
if_unmodified_since=if_unmodified_since) |
788 |
|
789 |
( |
790 |
blocksize, |
791 |
blockhash, |
792 |
total_size, |
793 |
hash_list, |
794 |
remote_hashes) = self._get_remote_blocks_info(obj, **restargs)
|
795 |
assert total_size >= 0 |
796 |
|
797 |
if download_cb:
|
798 |
self.progress_bar_gen = download_cb(len(hash_list)) |
799 |
self._cb_next()
|
800 |
|
801 |
if dst.isatty():
|
802 |
self._dump_blocks_sync(
|
803 |
obj, |
804 |
hash_list, |
805 |
blocksize, |
806 |
total_size, |
807 |
dst, |
808 |
range_str, |
809 |
**restargs) |
810 |
else:
|
811 |
self._dump_blocks_async(
|
812 |
obj, |
813 |
remote_hashes, |
814 |
blocksize, |
815 |
total_size, |
816 |
dst, |
817 |
blockhash, |
818 |
resume, |
819 |
range_str, |
820 |
**restargs) |
821 |
if not range_str: |
822 |
dst.truncate(total_size) |
823 |
|
824 |
self._complete_cb()
|
825 |
|
826 |
def download_to_string( |
827 |
self, obj,
|
828 |
download_cb=None,
|
829 |
version=None,
|
830 |
range_str=None,
|
831 |
if_match=None,
|
832 |
if_none_match=None,
|
833 |
if_modified_since=None,
|
834 |
if_unmodified_since=None):
|
835 |
"""Download an object to a string (multiple connections). This method
|
836 |
uses threads for http requests, but stores all content in memory.
|
837 |
|
838 |
:param obj: (str) remote object path
|
839 |
|
840 |
:param download_cb: optional progress.bar object for downloading
|
841 |
|
842 |
:param version: (str) file version
|
843 |
|
844 |
:param range_str: (str) from, to are file positions (int) in bytes
|
845 |
|
846 |
:param if_match: (str)
|
847 |
|
848 |
:param if_none_match: (str)
|
849 |
|
850 |
:param if_modified_since: (str) formated date
|
851 |
|
852 |
:param if_unmodified_since: (str) formated date
|
853 |
|
854 |
:returns: (str) the whole object contents
|
855 |
"""
|
856 |
restargs = dict(
|
857 |
version=version, |
858 |
data_range=None if range_str is None else 'bytes=%s' % range_str, |
859 |
if_match=if_match, |
860 |
if_none_match=if_none_match, |
861 |
if_modified_since=if_modified_since, |
862 |
if_unmodified_since=if_unmodified_since) |
863 |
|
864 |
( |
865 |
blocksize, |
866 |
blockhash, |
867 |
total_size, |
868 |
hash_list, |
869 |
remote_hashes) = self._get_remote_blocks_info(obj, **restargs)
|
870 |
assert total_size >= 0 |
871 |
|
872 |
if download_cb:
|
873 |
self.progress_bar_gen = download_cb(len(hash_list)) |
874 |
self._cb_next()
|
875 |
|
876 |
num_of_blocks = len(remote_hashes)
|
877 |
ret = [''] * num_of_blocks
|
878 |
self._init_thread_limit()
|
879 |
flying = dict()
|
880 |
try:
|
881 |
for blockid, blockhash in enumerate(remote_hashes): |
882 |
start = blocksize * blockid |
883 |
is_last = start + blocksize > total_size |
884 |
end = (total_size - 1) if is_last else (start + blocksize - 1) |
885 |
data_range_str = _range_up(start, end, end, range_str) |
886 |
if data_range_str:
|
887 |
self._watch_thread_limit(flying.values())
|
888 |
restargs['data_range'] = 'bytes=%s' % data_range_str |
889 |
flying[blockid] = self._get_block_async(obj, **restargs)
|
890 |
for runid, thread in flying.items(): |
891 |
if (blockid + 1) == num_of_blocks: |
892 |
thread.join() |
893 |
elif thread.isAlive():
|
894 |
continue
|
895 |
if thread.exception:
|
896 |
raise thread.exception
|
897 |
ret[runid] = thread.value.content |
898 |
self._cb_next()
|
899 |
flying.pop(runid) |
900 |
return ''.join(ret) |
901 |
except KeyboardInterrupt: |
902 |
sendlog.info('- - - wait for threads to finish')
|
903 |
for thread in activethreads(): |
904 |
thread.join() |
905 |
|
906 |
#Command Progress Bar method
|
907 |
def _cb_next(self, step=1): |
908 |
if hasattr(self, 'progress_bar_gen'): |
909 |
try:
|
910 |
for i in xrange(step): |
911 |
self.progress_bar_gen.next()
|
912 |
except:
|
913 |
pass
|
914 |
|
915 |
def _complete_cb(self): |
916 |
while True: |
917 |
try:
|
918 |
self.progress_bar_gen.next()
|
919 |
except:
|
920 |
break
|
921 |
|
922 |
def get_object_hashmap( |
923 |
self, obj,
|
924 |
version=None,
|
925 |
if_match=None,
|
926 |
if_none_match=None,
|
927 |
if_modified_since=None,
|
928 |
if_unmodified_since=None):
|
929 |
"""
|
930 |
:param obj: (str) remote object path
|
931 |
|
932 |
:param if_match: (str)
|
933 |
|
934 |
:param if_none_match: (str)
|
935 |
|
936 |
:param if_modified_since: (str) formated date
|
937 |
|
938 |
:param if_unmodified_since: (str) formated date
|
939 |
|
940 |
:returns: (list)
|
941 |
"""
|
942 |
try:
|
943 |
r = self.object_get(
|
944 |
obj, |
945 |
hashmap=True,
|
946 |
version=version, |
947 |
if_etag_match=if_match, |
948 |
if_etag_not_match=if_none_match, |
949 |
if_modified_since=if_modified_since, |
950 |
if_unmodified_since=if_unmodified_since) |
951 |
except ClientError as err: |
952 |
if err.status == 304 or err.status == 412: |
953 |
return {}
|
954 |
raise
|
955 |
return r.json
|
956 |
|
957 |
def set_account_group(self, group, usernames): |
958 |
"""
|
959 |
:param group: (str)
|
960 |
|
961 |
:param usernames: (list)
|
962 |
"""
|
963 |
r = self.account_post(update=True, groups={group: usernames}) |
964 |
return r
|
965 |
|
966 |
def del_account_group(self, group): |
967 |
"""
|
968 |
:param group: (str)
|
969 |
"""
|
970 |
self.account_post(update=True, groups={group: []}) |
971 |
|
972 |
def get_account_info(self, until=None): |
973 |
"""
|
974 |
:param until: (str) formated date
|
975 |
|
976 |
:returns: (dict)
|
977 |
"""
|
978 |
r = self.account_head(until=until)
|
979 |
if r.status_code == 401: |
980 |
raise ClientError("No authorization", status=401) |
981 |
return r.headers
|
982 |
|
983 |
def get_account_quota(self): |
984 |
"""
|
985 |
:returns: (dict)
|
986 |
"""
|
987 |
return filter_in(
|
988 |
self.get_account_info(),
|
989 |
'X-Account-Policy-Quota',
|
990 |
exactMatch=True)
|
991 |
|
992 |
#def get_account_versioning(self):
|
993 |
# """
|
994 |
# :returns: (dict)
|
995 |
# """
|
996 |
# return filter_in(
|
997 |
# self.get_account_info(),
|
998 |
# 'X-Account-Policy-Versioning',
|
999 |
# exactMatch=True)
|
1000 |
|
1001 |
def get_account_meta(self, until=None): |
1002 |
"""
|
1003 |
:param until: (str) formated date
|
1004 |
|
1005 |
:returns: (dict)
|
1006 |
"""
|
1007 |
return filter_in(self.get_account_info(until=until), 'X-Account-Meta-') |
1008 |
|
1009 |
def get_account_group(self): |
1010 |
"""
|
1011 |
:returns: (dict)
|
1012 |
"""
|
1013 |
return filter_in(self.get_account_info(), 'X-Account-Group-') |
1014 |
|
1015 |
def set_account_meta(self, metapairs): |
1016 |
"""
|
1017 |
:param metapairs: (dict) {key1:val1, key2:val2, ...}
|
1018 |
"""
|
1019 |
assert(type(metapairs) is dict) |
1020 |
r = self.account_post(update=True, metadata=metapairs) |
1021 |
return r.headers
|
1022 |
|
1023 |
def del_account_meta(self, metakey): |
1024 |
"""
|
1025 |
:param metakey: (str) metadatum key
|
1026 |
"""
|
1027 |
r = self.account_post(update=True, metadata={metakey: ''}) |
1028 |
return r.headers
|
1029 |
|
1030 |
#def set_account_quota(self, quota):
|
1031 |
# """
|
1032 |
# :param quota: (int)
|
1033 |
# """
|
1034 |
# self.account_post(update=True, quota=quota)
|
1035 |
|
1036 |
#def set_account_versioning(self, versioning):
|
1037 |
# """
|
1038 |
# :param versioning: (str)
|
1039 |
# """
|
1040 |
# r = self.account_post(update=True, versioning=versioning)
|
1041 |
# return r.headers
|
1042 |
|
1043 |
def list_containers(self): |
1044 |
"""
|
1045 |
:returns: (dict)
|
1046 |
"""
|
1047 |
r = self.account_get()
|
1048 |
return r.json
|
1049 |
|
1050 |
def del_container(self, until=None, delimiter=None): |
1051 |
"""
|
1052 |
:param until: (str) formated date
|
1053 |
|
1054 |
:param delimiter: (str) with / empty container
|
1055 |
|
1056 |
:raises ClientError: 404 Container does not exist
|
1057 |
|
1058 |
:raises ClientError: 409 Container is not empty
|
1059 |
"""
|
1060 |
self._assert_container()
|
1061 |
r = self.container_delete(
|
1062 |
until=until, |
1063 |
delimiter=delimiter, |
1064 |
success=(204, 404, 409)) |
1065 |
if r.status_code == 404: |
1066 |
raise ClientError(
|
1067 |
'Container "%s" does not exist' % self.container, |
1068 |
r.status_code) |
1069 |
elif r.status_code == 409: |
1070 |
raise ClientError(
|
1071 |
'Container "%s" is not empty' % self.container, |
1072 |
r.status_code) |
1073 |
return r.headers
|
1074 |
|
1075 |
def get_container_versioning(self, container=None): |
1076 |
"""
|
1077 |
:param container: (str)
|
1078 |
|
1079 |
:returns: (dict)
|
1080 |
"""
|
1081 |
cnt_back_up = self.container
|
1082 |
try:
|
1083 |
self.container = container or cnt_back_up |
1084 |
return filter_in(
|
1085 |
self.get_container_info(),
|
1086 |
'X-Container-Policy-Versioning')
|
1087 |
finally:
|
1088 |
self.container = cnt_back_up
|
1089 |
|
1090 |
def get_container_limit(self, container=None): |
1091 |
"""
|
1092 |
:param container: (str)
|
1093 |
|
1094 |
:returns: (dict)
|
1095 |
"""
|
1096 |
cnt_back_up = self.container
|
1097 |
try:
|
1098 |
self.container = container or cnt_back_up |
1099 |
return filter_in(
|
1100 |
self.get_container_info(),
|
1101 |
'X-Container-Policy-Quota')
|
1102 |
finally:
|
1103 |
self.container = cnt_back_up
|
1104 |
|
1105 |
def get_container_info(self, until=None): |
1106 |
"""
|
1107 |
:param until: (str) formated date
|
1108 |
|
1109 |
:returns: (dict)
|
1110 |
|
1111 |
:raises ClientError: 404 Container not found
|
1112 |
"""
|
1113 |
try:
|
1114 |
r = self.container_head(until=until)
|
1115 |
except ClientError as err: |
1116 |
err.details.append('for container %s' % self.container) |
1117 |
raise err
|
1118 |
return r.headers
|
1119 |
|
1120 |
def get_container_meta(self, until=None): |
1121 |
"""
|
1122 |
:param until: (str) formated date
|
1123 |
|
1124 |
:returns: (dict)
|
1125 |
"""
|
1126 |
return filter_in(
|
1127 |
self.get_container_info(until=until),
|
1128 |
'X-Container-Meta')
|
1129 |
|
1130 |
def get_container_object_meta(self, until=None): |
1131 |
"""
|
1132 |
:param until: (str) formated date
|
1133 |
|
1134 |
:returns: (dict)
|
1135 |
"""
|
1136 |
return filter_in(
|
1137 |
self.get_container_info(until=until),
|
1138 |
'X-Container-Object-Meta')
|
1139 |
|
1140 |
def set_container_meta(self, metapairs): |
1141 |
"""
|
1142 |
:param metapairs: (dict) {key1:val1, key2:val2, ...}
|
1143 |
"""
|
1144 |
assert(type(metapairs) is dict) |
1145 |
r = self.container_post(update=True, metadata=metapairs) |
1146 |
return r.headers
|
1147 |
|
1148 |
def del_container_meta(self, metakey): |
1149 |
"""
|
1150 |
:param metakey: (str) metadatum key
|
1151 |
|
1152 |
:returns: (dict) response headers
|
1153 |
"""
|
1154 |
r = self.container_post(update=True, metadata={metakey: ''}) |
1155 |
return r.headers
|
1156 |
|
1157 |
def set_container_limit(self, limit): |
1158 |
"""
|
1159 |
:param limit: (int)
|
1160 |
"""
|
1161 |
r = self.container_post(update=True, quota=limit) |
1162 |
return r.headers
|
1163 |
|
1164 |
def set_container_versioning(self, versioning): |
1165 |
"""
|
1166 |
:param versioning: (str)
|
1167 |
"""
|
1168 |
r = self.container_post(update=True, versioning=versioning) |
1169 |
return r.headers
|
1170 |
|
1171 |
def del_object(self, obj, until=None, delimiter=None): |
1172 |
"""
|
1173 |
:param obj: (str) remote object path
|
1174 |
|
1175 |
:param until: (str) formated date
|
1176 |
|
1177 |
:param delimiter: (str)
|
1178 |
"""
|
1179 |
self._assert_container()
|
1180 |
r = self.object_delete(obj, until=until, delimiter=delimiter)
|
1181 |
return r.headers
|
1182 |
|
1183 |
def set_object_meta(self, obj, metapairs): |
1184 |
"""
|
1185 |
:param obj: (str) remote object path
|
1186 |
|
1187 |
:param metapairs: (dict) {key1:val1, key2:val2, ...}
|
1188 |
"""
|
1189 |
assert(type(metapairs) is dict) |
1190 |
r = self.object_post(obj, update=True, metadata=metapairs) |
1191 |
return r.headers
|
1192 |
|
1193 |
def del_object_meta(self, obj, metakey): |
1194 |
"""
|
1195 |
:param obj: (str) remote object path
|
1196 |
|
1197 |
:param metakey: (str) metadatum key
|
1198 |
"""
|
1199 |
r = self.object_post(obj, update=True, metadata={metakey: ''}) |
1200 |
return r.headers
|
1201 |
|
1202 |
def publish_object(self, obj): |
1203 |
"""
|
1204 |
:param obj: (str) remote object path
|
1205 |
|
1206 |
:returns: (str) access url
|
1207 |
"""
|
1208 |
self.object_post(obj, update=True, public=True) |
1209 |
info = self.get_object_info(obj)
|
1210 |
return info['x-object-public'] |
1211 |
pref, sep, rest = self.base_url.partition('//') |
1212 |
base = rest.split('/')[0] |
1213 |
return '%s%s%s/%s' % (pref, sep, base, info['x-object-public']) |
1214 |
|
1215 |
def unpublish_object(self, obj): |
1216 |
"""
|
1217 |
:param obj: (str) remote object path
|
1218 |
"""
|
1219 |
r = self.object_post(obj, update=True, public=False) |
1220 |
return r.headers
|
1221 |
|
1222 |
def get_object_info(self, obj, version=None): |
1223 |
"""
|
1224 |
:param obj: (str) remote object path
|
1225 |
|
1226 |
:param version: (str)
|
1227 |
|
1228 |
:returns: (dict)
|
1229 |
"""
|
1230 |
try:
|
1231 |
r = self.object_head(obj, version=version)
|
1232 |
return r.headers
|
1233 |
except ClientError as ce: |
1234 |
if ce.status == 404: |
1235 |
raise ClientError('Object %s not found' % obj, status=404) |
1236 |
raise
|
1237 |
|
1238 |
def get_object_meta(self, obj, version=None): |
1239 |
"""
|
1240 |
:param obj: (str) remote object path
|
1241 |
|
1242 |
:param version: (str)
|
1243 |
|
1244 |
:returns: (dict)
|
1245 |
"""
|
1246 |
return filter_in(
|
1247 |
self.get_object_info(obj, version=version),
|
1248 |
'X-Object-Meta')
|
1249 |
|
1250 |
def get_object_sharing(self, obj): |
1251 |
"""
|
1252 |
:param obj: (str) remote object path
|
1253 |
|
1254 |
:returns: (dict)
|
1255 |
"""
|
1256 |
r = filter_in( |
1257 |
self.get_object_info(obj),
|
1258 |
'X-Object-Sharing',
|
1259 |
exactMatch=True)
|
1260 |
reply = {} |
1261 |
if len(r) > 0: |
1262 |
perms = r['x-object-sharing'].split(';') |
1263 |
for perm in perms: |
1264 |
try:
|
1265 |
perm.index('=')
|
1266 |
except ValueError: |
1267 |
raise ClientError('Incorrect reply format') |
1268 |
(key, val) = perm.strip().split('=')
|
1269 |
reply[key] = val |
1270 |
return reply
|
1271 |
|
1272 |
def set_object_sharing( |
1273 |
self, obj,
|
1274 |
read_permission=False, write_permission=False): |
1275 |
"""Give read/write permisions to an object.
|
1276 |
|
1277 |
:param obj: (str) remote object path
|
1278 |
|
1279 |
:param read_permission: (list - bool) users and user groups that get
|
1280 |
read permission for this object - False means all previous read
|
1281 |
permissions will be removed
|
1282 |
|
1283 |
:param write_permission: (list - bool) of users and user groups to get
|
1284 |
write permission for this object - False means all previous write
|
1285 |
permissions will be removed
|
1286 |
|
1287 |
:returns: (dict) response headers
|
1288 |
"""
|
1289 |
|
1290 |
perms = dict(read=read_permission or '', write=write_permission or '') |
1291 |
r = self.object_post(obj, update=True, permissions=perms) |
1292 |
return r.headers
|
1293 |
|
1294 |
def del_object_sharing(self, obj): |
1295 |
"""
|
1296 |
:param obj: (str) remote object path
|
1297 |
"""
|
1298 |
return self.set_object_sharing(obj) |
1299 |
|
1300 |
def append_object(self, obj, source_file, upload_cb=None): |
1301 |
"""
|
1302 |
:param obj: (str) remote object path
|
1303 |
|
1304 |
:param source_file: open file descriptor
|
1305 |
|
1306 |
:param upload_db: progress.bar for uploading
|
1307 |
"""
|
1308 |
self._assert_container()
|
1309 |
meta = self.get_container_info()
|
1310 |
blocksize = int(meta['x-container-block-size']) |
1311 |
filesize = fstat(source_file.fileno()).st_size |
1312 |
nblocks = 1 + (filesize - 1) // blocksize |
1313 |
offset = 0
|
1314 |
headers = {} |
1315 |
if upload_cb:
|
1316 |
self.progress_bar_gen = upload_cb(nblocks)
|
1317 |
self._cb_next()
|
1318 |
flying = {} |
1319 |
self._init_thread_limit()
|
1320 |
try:
|
1321 |
for i in range(nblocks): |
1322 |
block = source_file.read(min(blocksize, filesize - offset))
|
1323 |
offset += len(block)
|
1324 |
|
1325 |
self._watch_thread_limit(flying.values())
|
1326 |
unfinished = {} |
1327 |
flying[i] = SilentEvent( |
1328 |
method=self.object_post,
|
1329 |
obj=obj, |
1330 |
update=True,
|
1331 |
content_range='bytes */*',
|
1332 |
content_type='application/octet-stream',
|
1333 |
content_length=len(block),
|
1334 |
data=block) |
1335 |
flying[i].start() |
1336 |
|
1337 |
for key, thread in flying.items(): |
1338 |
if thread.isAlive():
|
1339 |
if i < nblocks:
|
1340 |
unfinished[key] = thread |
1341 |
continue
|
1342 |
thread.join() |
1343 |
if thread.exception:
|
1344 |
raise thread.exception
|
1345 |
headers[key] = thread.value.headers |
1346 |
self._cb_next()
|
1347 |
flying = unfinished |
1348 |
except KeyboardInterrupt: |
1349 |
sendlog.info('- - - wait for threads to finish')
|
1350 |
for thread in activethreads(): |
1351 |
thread.join() |
1352 |
finally:
|
1353 |
from time import sleep |
1354 |
sleep(2 * len(activethreads())) |
1355 |
return headers.values()
|
1356 |
|
1357 |
def truncate_object(self, obj, upto_bytes): |
1358 |
"""
|
1359 |
:param obj: (str) remote object path
|
1360 |
|
1361 |
:param upto_bytes: max number of bytes to leave on file
|
1362 |
|
1363 |
:returns: (dict) response headers
|
1364 |
"""
|
1365 |
r = self.object_post(
|
1366 |
obj, |
1367 |
update=True,
|
1368 |
content_range='bytes 0-%s/*' % upto_bytes,
|
1369 |
content_type='application/octet-stream',
|
1370 |
object_bytes=upto_bytes, |
1371 |
source_object=path4url(self.container, obj))
|
1372 |
return r.headers
|
1373 |
|
1374 |
def overwrite_object(self, obj, start, end, source_file, upload_cb=None): |
1375 |
"""Overwrite a part of an object from local source file
|
1376 |
|
1377 |
:param obj: (str) remote object path
|
1378 |
|
1379 |
:param start: (int) position in bytes to start overwriting from
|
1380 |
|
1381 |
:param end: (int) position in bytes to stop overwriting at
|
1382 |
|
1383 |
:param source_file: open file descriptor
|
1384 |
|
1385 |
:param upload_db: progress.bar for uploading
|
1386 |
"""
|
1387 |
|
1388 |
r = self.get_object_info(obj)
|
1389 |
rf_size = int(r['content-length']) |
1390 |
if rf_size < int(start): |
1391 |
raise ClientError(
|
1392 |
'Range start exceeds file size',
|
1393 |
status=416)
|
1394 |
elif rf_size < int(end): |
1395 |
raise ClientError(
|
1396 |
'Range end exceeds file size',
|
1397 |
status=416)
|
1398 |
self._assert_container()
|
1399 |
meta = self.get_container_info()
|
1400 |
blocksize = int(meta['x-container-block-size']) |
1401 |
filesize = fstat(source_file.fileno()).st_size |
1402 |
datasize = int(end) - int(start) + 1 |
1403 |
nblocks = 1 + (datasize - 1) // blocksize |
1404 |
offset = 0
|
1405 |
if upload_cb:
|
1406 |
self.progress_bar_gen = upload_cb(nblocks)
|
1407 |
self._cb_next()
|
1408 |
headers = [] |
1409 |
for i in range(nblocks): |
1410 |
read_size = min(blocksize, filesize - offset, datasize - offset)
|
1411 |
block = source_file.read(read_size) |
1412 |
r = self.object_post(
|
1413 |
obj, |
1414 |
update=True,
|
1415 |
content_type='application/octet-stream',
|
1416 |
content_length=len(block),
|
1417 |
content_range='bytes %s-%s/*' % (
|
1418 |
start + offset, |
1419 |
start + offset + len(block) - 1), |
1420 |
data=block) |
1421 |
headers.append(dict(r.headers))
|
1422 |
offset += len(block)
|
1423 |
|
1424 |
self._cb_next
|
1425 |
return headers
|
1426 |
|
1427 |
def copy_object( |
1428 |
self, src_container, src_object, dst_container,
|
1429 |
dst_object=None,
|
1430 |
source_version=None,
|
1431 |
source_account=None,
|
1432 |
public=False,
|
1433 |
content_type=None,
|
1434 |
delimiter=None):
|
1435 |
"""
|
1436 |
:param src_container: (str) source container
|
1437 |
|
1438 |
:param src_object: (str) source object path
|
1439 |
|
1440 |
:param dst_container: (str) destination container
|
1441 |
|
1442 |
:param dst_object: (str) destination object path
|
1443 |
|
1444 |
:param source_version: (str) source object version
|
1445 |
|
1446 |
:param source_account: (str) account to copy from
|
1447 |
|
1448 |
:param public: (bool)
|
1449 |
|
1450 |
:param content_type: (str)
|
1451 |
|
1452 |
:param delimiter: (str)
|
1453 |
|
1454 |
:returns: (dict) response headers
|
1455 |
"""
|
1456 |
self._assert_account()
|
1457 |
self.container = dst_container
|
1458 |
src_path = path4url(src_container, src_object) |
1459 |
r = self.object_put(
|
1460 |
dst_object or src_object,
|
1461 |
success=201,
|
1462 |
copy_from=src_path, |
1463 |
content_length=0,
|
1464 |
source_version=source_version, |
1465 |
source_account=source_account, |
1466 |
public=public, |
1467 |
content_type=content_type, |
1468 |
delimiter=delimiter) |
1469 |
return r.headers
|
1470 |
|
1471 |
def move_object( |
1472 |
self, src_container, src_object, dst_container,
|
1473 |
dst_object=False,
|
1474 |
source_account=None,
|
1475 |
source_version=None,
|
1476 |
public=False,
|
1477 |
content_type=None,
|
1478 |
delimiter=None):
|
1479 |
"""
|
1480 |
:param src_container: (str) source container
|
1481 |
|
1482 |
:param src_object: (str) source object path
|
1483 |
|
1484 |
:param dst_container: (str) destination container
|
1485 |
|
1486 |
:param dst_object: (str) destination object path
|
1487 |
|
1488 |
:param source_account: (str) account to move from
|
1489 |
|
1490 |
:param source_version: (str) source object version
|
1491 |
|
1492 |
:param public: (bool)
|
1493 |
|
1494 |
:param content_type: (str)
|
1495 |
|
1496 |
:param delimiter: (str)
|
1497 |
|
1498 |
:returns: (dict) response headers
|
1499 |
"""
|
1500 |
self._assert_account()
|
1501 |
self.container = dst_container
|
1502 |
dst_object = dst_object or src_object
|
1503 |
src_path = path4url(src_container, src_object) |
1504 |
r = self.object_put(
|
1505 |
dst_object, |
1506 |
success=201,
|
1507 |
move_from=src_path, |
1508 |
content_length=0,
|
1509 |
source_account=source_account, |
1510 |
source_version=source_version, |
1511 |
public=public, |
1512 |
content_type=content_type, |
1513 |
delimiter=delimiter) |
1514 |
return r.headers
|
1515 |
|
1516 |
def get_sharing_accounts(self, limit=None, marker=None, *args, **kwargs): |
1517 |
"""Get accounts that share with self.account
|
1518 |
|
1519 |
:param limit: (str)
|
1520 |
|
1521 |
:param marker: (str)
|
1522 |
|
1523 |
:returns: (dict)
|
1524 |
"""
|
1525 |
self._assert_account()
|
1526 |
|
1527 |
self.set_param('format', 'json') |
1528 |
self.set_param('limit', limit, iff=limit is not None) |
1529 |
self.set_param('marker', marker, iff=marker is not None) |
1530 |
|
1531 |
path = ''
|
1532 |
success = kwargs.pop('success', (200, 204)) |
1533 |
r = self.get(path, *args, success=success, **kwargs)
|
1534 |
return r.json
|
1535 |
|
1536 |
def get_object_versionlist(self, obj): |
1537 |
"""
|
1538 |
:param obj: (str) remote object path
|
1539 |
|
1540 |
:returns: (list)
|
1541 |
"""
|
1542 |
self._assert_container()
|
1543 |
r = self.object_get(obj, format='json', version='list') |
1544 |
return r.json['versions'] |