Ejemplo n.º 1
0
def cli_put_object(context, path):
    """
    Performs a PUT on the object.

    See :py:mod:`swiftly.cli.put` for context usage information.

    See :py:class:`CLIPut` for more information.
    """
    if context.different and context.encrypt:
        raise ReturnCode(
            'context.different will not work properly with context.encrypt '
            'since encryption may change the object size')
    put_headers = dict(context.headers)
    if context.empty:
        body = ''
        put_headers['content-length'] = '0'
    elif not context.input_ or context.input_ == '-':
        stdin = context.io_manager.get_stdin()

        if context.stdin_segmentation:

            def reader():
                while True:
                    chunk = stdin.read(65536)
                    if chunk:
                        yield chunk
                    else:
                        return

            segment_body = FileLikeIter(reader(), context.segment_size)

            prefix = _create_container(context, path, time.time(), 0)
            new_context = context.copy()
            new_context.stdin_segmentation = False
            new_context.stdin = segment_body
            new_context.headers = dict(context.headers)
            segment_n = 0
            path2info = {}
            while not segment_body.is_empty():
                segment_path = _get_segment_path(prefix, segment_n)
                etag = cli_put_object(new_context, segment_path)
                size = segment_body.limit - segment_body.left
                path2info[segment_path] = (size, etag)

                segment_body.reset_limit()
                segment_n += 1
            body = _get_manifest_body(context, prefix, path2info, put_headers)
        else:
            if hasattr(context, 'stdin'):
                body = context.stdin
            else:
                body = stdin
    elif context.seek is not None:
        if context.encrypt:
            raise ReturnCode(
                'putting object %r: Cannot use encryption and context.seek' %
                path)
        body = open(context.input_, 'rb')
        body.seek(context.seek)
    else:
        l_mtime = os.path.getmtime(context.input_)
        l_size = os.path.getsize(context.input_)
        put_headers['content-length'] = str(l_size)
        if context.newer or context.different:
            r_mtime = None
            r_size = None
            with context.client_manager.with_client() as client:
                status, reason, headers, contents = client.head_object(
                    *path.split('/', 1),
                    headers=context.headers,
                    query=context.query,
                    cdn=context.cdn)
                if hasattr(contents, 'read'):
                    contents.read()
            if status // 100 == 2:
                r_mtime = headers.get('x-object-meta-mtime')
                if r_mtime:
                    try:
                        r_mtime = float(r_mtime)
                    except ValueError:
                        r_mtime = None
                r_size = headers.get('content-length')
                if r_size:
                    try:
                        r_size = int(r_size)
                    except ValueError:
                        r_size = None
            elif status != 404:
                raise ReturnCode(
                    'could not head %r for conditional check; skipping put: '
                    '%s %s' % (path, status, reason))
            if context.newer and r_mtime is not None or l_mtime <= r_mtime:
                return
            if context.different and r_mtime is not None and \
                    l_mtime == r_mtime and r_size is not None and \
                    l_size == r_size:
                return
        put_headers['x-object-meta-mtime'] = '%f' % l_mtime
        size = os.path.getsize(context.input_)
        if size > context.segment_size:
            if context.encrypt:
                raise ReturnCode(
                    'putting object %r: Cannot use encryption for objects '
                    'greater than the segment size' % path)
            prefix = _create_container(context, path, l_mtime, size)
            conc = Concurrency(context.concurrency)
            start = 0
            segment = 0
            path2info = {}
            while start < size:
                new_context = context.copy()
                new_context.headers = dict(context.headers)
                new_context.headers['content-length'] = str(
                    min(size - start, context.segment_size))
                new_context.seek = start
                new_path = _get_segment_path(prefix, segment)
                for (ident, (exc_type, exc_value, exc_tb, result)) in \
                        six.iteritems(conc.get_results()):
                    if exc_value:
                        conc.join()
                        raise exc_value
                    path2info[ident] = result
                conc.spawn(new_path, cli_put_object, new_context, new_path)
                segment += 1
                start += context.segment_size
            conc.join()
            for (ident, (exc_type, exc_value, exc_tb, result)) in \
                    six.iteritems(conc.get_results()):
                if exc_value:
                    raise exc_value
                path2info[ident] = result
            body = _get_manifest_body(context, prefix, path2info, put_headers)
        else:
            body = open(context.input_, 'rb')
    with context.client_manager.with_client() as client:
        if context.encrypt:
            content_length = put_headers.get('content-length')
            if content_length:
                content_length = int(content_length)
            if hasattr(body, 'read'):
                body = FileLikeIter(
                    aes_encrypt(context.encrypt,
                                body,
                                preamble=AES256CBC,
                                chunk_size=getattr(client, 'chunk_size',
                                                   65536),
                                content_length=content_length))
            else:
                body = FileLikeIter(
                    aes_encrypt(context.encrypt,
                                FileLikeIter([body]),
                                preamble=AES256CBC,
                                chunk_size=getattr(client, 'chunk_size',
                                                   65536),
                                content_length=content_length))
            if 'content-length' in put_headers:
                del put_headers['content-length']
        container, obj = path.split('/', 1)
        status, reason, headers, contents = client.put_object(
            container,
            obj,
            body,
            headers=put_headers,
            query=context.query,
            cdn=context.cdn)
        if hasattr(contents, 'read'):
            contents = contents.read()
    if status // 100 != 2:
        raise ReturnCode('putting object %r: %s %s %r' %
                         (path, status, reason, contents))
    if context.seek is not None:
        content_length = put_headers.get('content-length')
        etag = headers.get('etag')
        if content_length and etag:
            content_length = int(content_length)
        else:
            with context.client_manager.with_client() as client:
                container, obj = path.split('/', 1)
                status, reason, headers, contents = client.head_object(
                    container, obj, cdn=context.cdn)
                if hasattr(contents, 'read'):
                    contents = contents.read()
            if status // 100 != 2:
                raise ReturnCode('heading object %r: %s %s %r' %
                                 (path, status, reason, contents))
            content_length = headers.get('content-length')
            etag = headers.get('etag')
            if content_length:
                content_length = int(content_length)
        return content_length, etag
    if context.stdin is not None:
        return headers.get('etag')
Ejemplo n.º 2
0
def cli_get_account_listing(context):
    """
    Performs a GET on the account as a listing request.

    See :py:mod:`swiftly.cli.get` for context usage information.

    See :py:class:`CLIGet` for more information.
    """
    limit = context.query.get('limit')
    delimiter = context.query.get('delimiter')
    prefix = context.query.get('prefix')
    marker = context.query.get('marker')
    end_marker = context.query.get('end_marker')
    if context.raw:
        with context.client_manager.with_client() as client:
            status, reason, headers, contents = client.get_account(
                decode_json=False, headers=context.headers, limit=limit,
                marker=marker, end_marker=end_marker, query=context.query,
                cdn=context.cdn)
            if hasattr(contents, 'read'):
                contents = contents.read()
        if status // 100 != 2:
            if status == 404 and context.ignore_404:
                return
            raise ReturnCode('listing account: %s %s' % (status, reason))
        with context.io_manager.with_stdout() as fp:
            if context.output_headers:
                context.write_headers(
                    fp, headers, context.muted_account_headers)
            fp.write(contents)
            fp.flush()
        return
    with context.client_manager.with_client() as client:
        status, reason, headers, contents = client.get_account(
            headers=context.headers, limit=limit, marker=marker,
            end_marker=end_marker, query=context.query, cdn=context.cdn)
        if status // 100 != 2:
            if status == 404 and context.ignore_404:
                return
            if hasattr(contents, 'read'):
                contents.read()
            raise ReturnCode('listing account: %s %s' % (status, reason))
    if context.output_headers and not context.all_objects:
        with context.io_manager.with_stdout() as fp:
            context.write_headers(
                fp, headers, context.muted_account_headers)
    while contents:
        if context.all_objects:
            new_context = context.copy()
            new_context.query = dict(new_context.query)
            for remove in (
                    'limit', 'delimiter', 'prefix', 'marker', 'end_marker'):
                if remove in new_context.query:
                    del new_context.query[remove]
            for item in contents:
                if 'name' in item:
                    new_path = item['name'].encode('utf8')
                    cli_get_container_listing(new_context, new_path)
        else:
            with context.io_manager.with_stdout() as fp:
                for item in contents:
                    if context.full:
                        fp.write('%13s %13s ' % (
                            item.get('bytes', '-'),
                            item.get('count', '-')))
                    fp.write(item.get(
                        'name', item.get('subdir')))
                    fp.write('\n')
                fp.flush()
        if limit:
            break
        marker = contents[-1].get('name', contents[-1].get('subdir', ''))
        with context.client_manager.with_client() as client:
            status, reason, headers, contents = client.get_account(
                headers=context.headers, limit=limit, delimiter=delimiter,
                prefix=prefix, end_marker=end_marker, marker=marker,
                query=context.query, cdn=context.cdn)
            if status // 100 != 2:
                if status == 404 and context.ignore_404:
                    return
                if hasattr(contents, 'read'):
                    contents.read()
                raise ReturnCode('listing account: %s %s' % (status, reason))
Ejemplo n.º 3
0
def cli_delete(context,
               path,
               body=None,
               recursive=False,
               yes_empty_account=False,
               yes_delete_account=False,
               until_empty=False):
    """
    Deletes the item (account, container, or object) at the path.

    See :py:mod:`swiftly.cli.delete` for context usage information.

    See :py:class:`CLIDelete` for more information.

    :param context: The :py:class:`swiftly.cli.context.CLIContext` to
        use.
    :param path: The path of the item (acount, container, or object)
        to delete.
    :param body: The body to send with the DELETE request. Bodies are
        not normally sent with DELETE requests, but this can be
        useful with bulk deletes for instance.
    :param recursive: If True and the item is an account or
        container, deletes will be issued for any containing items as
        well. This does one pass at the deletion; so if objects revert
        to previous versions or if new objects otherwise arise during
        the process, the container(s) may not be empty once done. Set
        `until_empty` to True if you want multiple passes to keep trying
        to fully empty the containers.
    :param until_empty: If True and recursive is True, this will cause
        Swiftly to keep looping through the deletes until the containers
        are completely empty. Useful if you have object versioning
        turned on or otherwise have objects that seemingly reappear
        after being deleted. It could also run forever if you have
        something that's uploading objects at a faster rate than they
        are deleted.
    :param yes_empty_account: This must be set to True for
        verification when the item is an account and recursive is
        True.
    :param yes_delete_account: This must be set to True for
        verification when the item is an account and you really wish
        a delete to be issued for the account itself.
    """
    path = path.lstrip('/') if path else ''
    if not path:
        if yes_empty_account:
            cli_empty_account(context,
                              yes_empty_account=yes_empty_account,
                              until_empty=until_empty)
        if yes_delete_account:
            with context.client_manager.with_client() as client:
                status, reason, headers, contents = client.delete_account(
                    headers=context.headers,
                    query=context.query,
                    cdn=context.cdn,
                    body=body,
                    yes_i_mean_delete_the_account=yes_delete_account)
                if status // 100 != 2:
                    if status == 404 and context.ignore_404:
                        return
                    raise ReturnCode('deleting account: %s %s' %
                                     (status, reason))
    elif '/' not in path.rstrip('/'):
        path = path.rstrip('/')
        if recursive:
            cli_empty_container(context, path, until_empty=until_empty)
        with context.client_manager.with_client() as client:
            status, reason, headers, contents = client.delete_container(
                path,
                headers=context.headers,
                query=context.query,
                cdn=context.cdn,
                body=body)
            if status // 100 != 2:
                if status == 404 and context.ignore_404:
                    return
                raise ReturnCode('deleting container %r: %s %s' %
                                 (path, status, reason))
    else:
        with context.client_manager.with_client() as client:
            status, reason, headers, contents = client.delete_object(
                *path.split('/', 1),
                headers=context.headers,
                query=context.query,
                cdn=context.cdn,
                body=body)
            if status // 100 != 2:
                if status == 404 and context.ignore_404:
                    return
                raise ReturnCode('deleting object %r: %s %s' %
                                 (path, status, reason))
Ejemplo n.º 4
0
def cli_get(context, path=None):
    """
    Performs a GET on the item (account, container, or object).

    See :py:mod:`swiftly.cli.get` for context usage information.

    See :py:class:`CLIGet` for more information.
    """
    path = path.lstrip('/') if path else None
    if not path:
        return cli_get_account_listing(context)
    elif '/' not in path.rstrip('/'):
        return cli_get_container_listing(context, path)
    status, reason, headers, contents = 0, 'Unknown', {}, ''
    with context.client_manager.with_client() as client:
        status, reason, headers, contents = client.get_object(
            *path.split('/', 1), headers=context.headers, query=context.query,
            cdn=context.cdn)
        if status // 100 != 2:
            if status == 404 and context.ignore_404:
                return
            if hasattr(contents, 'read'):
                contents.read()
            raise ReturnCode(
                'getting object %r: %s %s' % (path, status, reason))
        if context.decrypt:
            crypt_type = contents.read(1)
            if crypt_type == AES256CBC:
                contents = FileLikeIter(aes_decrypt(
                    context.decrypt, contents,
                    chunk_size=getattr(client, 'chunk_size', 65536)))
            else:
                raise ReturnCode(
                    'getting object %r: contents encrypted with unsupported '
                    'type %r' % (path, crypt_type))

        def disk_closed_callback(disk_path):
            if context.remove_empty_files and not os.path.getsize(disk_path):
                os.unlink(disk_path)
                if context.io_manager.stdout_root:
                    dirname = os.path.dirname(disk_path)
                    while dirname and dirname.startswith(
                            context.io_manager.stdout_root):
                        try:
                            os.rmdir(dirname)
                        except OSError:
                            pass
                        dirname = os.path.dirname(dirname)
                return
            if (headers.get('content-type') in
                    ['text/directory', 'application/directory'] and
                    headers.get('content-length') == '0'):
                os.unlink(disk_path)
                os.makedirs(disk_path)
            mtime = 0
            if 'x-object-meta-mtime' in headers:
                mtime = float(headers['x-object-meta-mtime'])
            elif 'last-modified' in headers:
                mtime = time.mktime(time.strptime(
                    headers['last-modified'], '%a, %d %b %Y %H:%M:%S %Z'))
            if mtime:
                os.utime(disk_path, (mtime, mtime))

        out_path = path
        if context.suppress_container_name:
            out_path = out_path.split('/', 1)[1]
        out_path = context.io_manager.client_path_to_os_path(out_path)
        with context.io_manager.with_stdout(
                out_path, disk_closed_callback=disk_closed_callback) as fp:
            if context.output_headers:
                context.write_headers(
                    fp, headers, context.muted_object_headers)
                fp.write('\n')
            chunk = contents.read(65536)
            while chunk:
                fp.write(chunk)
                chunk = contents.read(65536)
            fp.flush()
Ejemplo n.º 5
0
def cli_get_container_listing(context, path=None):
    """
    Performs a GET on the container as a listing request.

    See :py:mod:`swiftly.cli.get` for context usage information.

    See :py:class:`CLIGet` for more information.
    """
    path = path.strip('/') if path else None
    if not path or '/' in path:
        raise ReturnCode(
            'tried to get a container listing for non-container path %r' %
            path)
    context.suppress_container_name = True
    limit = context.query.get('limit')
    delimiter = context.query.get('delimiter')
    prefix = context.query.get('prefix')
    marker = context.query.get('marker')
    end_marker = context.query.get('end_marker')
    if context.raw:
        with context.client_manager.with_client() as client:
            status, reason, headers, contents = client.get_container(
                path, decode_json=False, headers=context.headers, limit=limit,
                marker=marker, end_marker=end_marker, query=context.query,
                cdn=context.cdn)
            if hasattr(contents, 'read'):
                contents = contents.read()
        if status // 100 != 2:
            if status == 404 and context.ignore_404:
                return
            raise ReturnCode(
                'listing container %r: %s %s' % (path, status, reason))
        with context.io_manager.with_stdout() as fp:
            if context.output_headers:
                context.write_headers(
                    fp, headers, context.muted_container_headers)
            fp.write(contents)
            fp.flush()
        return
    with context.client_manager.with_client() as client:
        status, reason, headers, contents = client.get_container(
            path, headers=context.headers, limit=limit, delimiter=delimiter,
            prefix=prefix, marker=marker, end_marker=end_marker,
            query=context.query, cdn=context.cdn)
        if status // 100 != 2:
            if status == 404 and context.ignore_404:
                return
            if hasattr(contents, 'read'):
                contents.read()
            raise ReturnCode(
                'listing container %r: %s %s' % (path, status, reason))
    if context.output_headers and not context.all_objects:
        with context.io_manager.with_stdout() as fp:
            context.write_headers(
                fp, headers, context.muted_container_headers)
    conc = Concurrency(context.concurrency)
    while contents:
        if context.all_objects:
            new_context = context.copy()
            new_context.query = dict(new_context.query)
            for remove in (
                    'limit', 'delimiter', 'prefix', 'marker', 'end_marker'):
                if remove in new_context.query:
                    del new_context.query[remove]
            for item in contents:
                if 'name' in item:
                    for (exc_type, exc_value, exc_tb, result) in \
                            six.itervalues(conc.get_results()):
                        if exc_value:
                            conc.join()
                            raise exc_value
                    new_path = path + '/' + item['name'].encode('utf8')
                    conc.spawn(new_path, cli_get, new_context, new_path)
        else:
            with context.io_manager.with_stdout() as fp:
                for item in contents:
                    if context.full:
                        fp.write('%13s %22s %32s %25s ' % (
                            item.get('bytes', '-'),
                            item.get('last_modified', '-')[:22].replace(
                                'T', ' '),
                            item.get('hash', '-'),
                            item.get('content_type', '-')))
                    fp.write(item.get(
                        'name', item.get('subdir')))
                    fp.write('\n')
                fp.flush()
        if limit:
            break
        marker = contents[-1].get('name', contents[-1].get('subdir', ''))
        with context.client_manager.with_client() as client:
            status, reason, headers, contents = client.get_container(
                path, headers=context.headers, limit=limit,
                delimiter=delimiter, prefix=prefix, end_marker=end_marker,
                marker=marker, query=context.query, cdn=context.cdn)
            if status // 100 != 2:
                if status == 404 and context.ignore_404:
                    return
                if hasattr(contents, 'read'):
                    contents.read()
                raise ReturnCode(
                    'listing container %r: %s %s' % (path, status, reason))
    conc.join()
    for (exc_type, exc_value, exc_tb, result) in \
        six.itervalues(conc.get_results()):
        if exc_value:
            raise exc_value
Ejemplo n.º 6
0
def cli_fordo(context, path=None):
    """
    Issues commands for each item in an account or container listing.

    See :py:mod:`swiftly.cli.fordo` for context usage information.

    See :py:class:`CLIForDo` for more information.
    """
    path = path.lstrip('/') if path else None
    if path and '/' in path:
        raise ReturnCode(
            'path must be an empty string or a container name; was %r' % path)
    limit = context.query.get('limit')
    delimiter = context.query.get('delimiter')
    prefix = context.query.get('prefix')
    marker = context.query.get('marker')
    end_marker = context.query.get('end_marker')
    conc = Concurrency(context.concurrency)
    while True:
        with context.client_manager.with_client() as client:
            if not path:
                status, reason, headers, contents = client.get_account(
                    headers=context.headers, prefix=prefix,
                    delimiter=delimiter, marker=marker, end_marker=end_marker,
                    limit=limit, query=context.query, cdn=context.cdn)
            else:
                status, reason, headers, contents = client.get_container(
                    path, headers=context.headers, prefix=prefix,
                    delimiter=delimiter, marker=marker, end_marker=end_marker,
                    limit=limit, query=context.query, cdn=context.cdn)
            if status // 100 != 2:
                if status == 404 and context.ignore_404:
                    return
                if hasattr(contents, 'read'):
                    contents.read()
                if not path:
                    raise ReturnCode(
                        'listing account: %s %s' % (status, reason))
                else:
                    raise ReturnCode(
                        'listing container %r: %s %s' % (path, status, reason))
        if not contents:
            break
        for item in contents:
            name = (path + '/' if path else '') + item.get(
                'name', item.get('subdir'))
            args = list(context.remaining_args)
            try:
                index = args.index('<item>')
            except ValueError:
                raise ReturnCode(
                    'No "<item>" designation found in the "do" clause.')
            args[index] = name
            for (exc_type, exc_value, exc_tb, result) in \
                    six.itervalues(conc.get_results()):
                if exc_value:
                    conc.join()
                    raise exc_value
            conc.spawn(name, _cli_call, context, name, args)
        marker = contents[-1]['name']
        if limit:
            break
    conc.join()
    for (exc_type, exc_value, exc_tb, result) in \
            six.itervalues(conc.get_results()):
        if exc_value:
            conc.join()
            raise exc_value
Ejemplo n.º 7
0
def cli_put_directory_structure(context, path):
    """
    Performs PUTs rooted at the path using a directory structure
    pointed to by context.input\_.

    See :py:mod:`swiftly.cli.put` for context usage information.

    See :py:class:`CLIPut` for more information.
    """
    if not context.input_:
        raise ReturnCode(
            'called cli_put_directory_structure without context.input_ set')
    if not os.path.isdir(context.input_):
        raise ReturnCode('%r is not a directory' % context.input_)
    if not path:
        raise ReturnCode(
            'uploading a directory structure requires at least a container '
            'name')
    new_context = context.copy()
    new_context.input_ = None
    container = path.split('/', 1)[0]
    cli_put_container(new_context, container)
    ilen = len(context.input_)
    if not context.input_.endswith(os.sep):
        ilen += 1
    conc = Concurrency(context.concurrency)
    for (dirpath, dirnames, filenames) in os.walk(context.input_):
        if not dirnames and not filenames:
            new_context = context.copy()
            new_context.headers = dict(context.headers)
            new_context.headers['content-type'] = 'text/directory'
            new_context.headers['x-object-meta-mtime'] = \
                '%f' % os.path.getmtime(context.input_)
            new_context.input_ = None
            new_context.empty = True
            new_path = path
            if path[-1] != '/':
                new_path += '/'
            new_path += dirpath[ilen:]
            for (exc_type, exc_value, exc_tb, result) in \
                    conc.get_results().itervalues():
                if exc_value:
                    conc.join()
                    raise exc_value
            conc.spawn(new_path, cli_put_object, new_context, new_path)
        else:
            for fname in filenames:
                new_context = context.copy()
                new_context.input_ = os.path.join(dirpath, fname)
                new_path = path
                if path[-1] != '/':
                    new_path += '/'
                if dirpath[ilen:]:
                    new_path += dirpath[ilen:] + '/'
                new_path += fname
                for (exc_type, exc_value, exc_tb, result) in \
                        conc.get_results().itervalues():
                    if exc_value:
                        conc.join()
                        raise exc_value
                conc.spawn(new_path, cli_put_object, new_context, new_path)
    conc.join()
    for (exc_type, exc_value, exc_tb, result) in \
            conc.get_results().itervalues():
        if exc_value:
            raise exc_value
Ejemplo n.º 8
0
def cli_put_object(context, path):
    """
    Performs a PUT on the object.

    See :py:mod:`swiftly.cli.put` for context usage information.

    See :py:class:`CLIPut` for more information.
    """
    if context.different and context.encrypt:
        raise ReturnCode(
            'context.different will not work properly with context.encrypt '
            'since encryption may change the object size')
    put_headers = dict(context.headers)
    if context.empty:
        body = ''
        put_headers['content-length'] = '0'
    elif not context.input_ or context.input_ == '-':
        body = context.io_manager.get_stdin()
    elif context.seek is not None:
        if context.encrypt:
            raise ReturnCode(
                'putting object %r: Cannot use encryption and context.seek' %
                path)
        body = open(context.input_, 'rb')
        body.seek(context.seek)
    else:
        l_mtime = os.path.getmtime(context.input_)
        l_size = os.path.getsize(context.input_)
        put_headers['content-length'] = str(l_size)
        if context.newer or context.different:
            r_mtime = None
            r_size = None
            with context.client_manager.with_client() as client:
                status, reason, headers, contents = client.head_object(
                    *path.split('/', 1),
                    headers=context.headers,
                    query=context.query,
                    cdn=context.cdn)
                if hasattr(contents, 'read'):
                    contents.read()
            if status // 100 == 2:
                r_mtime = headers.get('x-object-meta-mtime')
                if r_mtime:
                    try:
                        r_mtime = float(r_mtime)
                    except ValueError:
                        r_mtime = None
                r_size = headers.get('content-length')
                if r_size:
                    try:
                        r_size = int(r_size)
                    except ValueError:
                        r_size = None
            elif status != 404:
                raise ReturnCode(
                    'could not head %r for conditional check; skipping put: '
                    '%s %s' % (path, status, reason))
            if context.newer and r_mtime is not None or l_mtime <= r_mtime:
                return
            if context.different and r_mtime is not None and \
                    l_mtime == r_mtime and r_size is not None and \
                    l_size == r_size:
                return
        put_headers['x-object-meta-mtime'] = '%f' % l_mtime
        size = os.path.getsize(context.input_)
        if size > context.segment_size:
            if context.encrypt:
                raise ReturnCode(
                    'putting object %r: Cannot use encryption for objects '
                    'greater than the segment size' % path)
            new_context = context.copy()
            new_context.input_ = None
            new_context.headers = None
            new_context.query = None
            container = path.split('/', 1)[0] + '_segments'
            cli_put_container(new_context, container)
            prefix = container + '/' + path.split('/', 1)[1]
            prefix = '%s/%s/%s/' % (prefix, l_mtime, size)
            conc = Concurrency(context.concurrency)
            start = 0
            segment = 0
            path2info = {}
            while start < size:
                new_context = context.copy()
                new_context.headers = dict(context.headers)
                new_context.headers['content-length'] = str(
                    min(size - start, context.segment_size))
                new_context.seek = start
                new_path = '%s%08d' % (prefix, segment)
                for (ident, (exc_type, exc_value, exc_tb, result)) in \
                        conc.get_results().iteritems():
                    if exc_value:
                        conc.join()
                        raise exc_value
                    path2info[ident] = result
                conc.spawn(new_path, cli_put_object, new_context, new_path)
                segment += 1
                start += context.segment_size
            conc.join()
            for (ident, (exc_type, exc_value, exc_tb, result)) in \
                    conc.get_results().iteritems():
                if exc_value:
                    raise exc_value
                path2info[ident] = result
            if context.static_segments:
                body = json.dumps([{
                    'path': '/' + p,
                    'size_bytes': s,
                    'etag': e
                } for p, (s, e) in sorted(path2info.iteritems())])
                put_headers['content-length'] = str(len(body))
                context.query['multipart-manifest'] = 'put'
            else:
                body = ''
                put_headers['content-length'] = '0'
                put_headers['x-object-manifest'] = prefix
        else:
            body = open(context.input_, 'rb')
    with context.client_manager.with_client() as client:
        if context.encrypt:
            content_length = put_headers.get('content-length')
            if content_length:
                content_length = int(content_length)
            if hasattr(body, 'read'):
                body = FileLikeIter(
                    aes_encrypt(context.encrypt,
                                body,
                                preamble=AES256CBC,
                                chunk_size=getattr(client, 'chunk_size',
                                                   65536),
                                content_length=content_length))
            else:
                body = FileLikeIter(
                    aes_encrypt(context.encrypt,
                                FileLikeIter([body]),
                                preamble=AES256CBC,
                                chunk_size=getattr(client, 'chunk_size',
                                                   65536),
                                content_length=content_length))
            if 'content-length' in put_headers:
                del put_headers['content-length']
        container, obj = path.split('/', 1)
        status, reason, headers, contents = client.put_object(
            container,
            obj,
            body,
            headers=put_headers,
            query=context.query,
            cdn=context.cdn)
        if hasattr(contents, 'read'):
            contents = contents.read()
    if status // 100 != 2:
        raise ReturnCode('putting object %r: %s %s %r' %
                         (path, status, reason, contents))
    if context.seek is not None:
        content_length = put_headers.get('content-length')
        etag = headers.get('etag')
        if content_length and etag:
            content_length = int(content_length)
        else:
            with context.client_manager.with_client() as client:
                container, obj = path.split('/', 1)
                status, reason, headers, contents = client.head_object(
                    container, obj, cdn=context.cdn)
                if hasattr(contents, 'read'):
                    contents = contents.read()
            if status // 100 != 2:
                raise ReturnCode('heading object %r: %s %s %r' %
                                 (path, status, reason, contents))
            content_length = headers.get('content-length')
            etag = headers.get('etag')
            if content_length:
                content_length = int(content_length)
        return content_length, etag