Python Response.headers['etag']方法代码示例

# 需要导入模块: from swift.common.swob import Response [as 别名]
# 或者: from swift.common.swob.Response import headers['etag'] [as 别名]
    def best_response(self, req, statuses, reasons, bodies, server_type,
                      etag=None, headers=None):
        """
        Given a list of responses from several servers, choose the best to
        return to the API.

        :param req: swob.Request object
        :param statuses: list of statuses returned
        :param reasons: list of reasons for each status
        :param bodies: bodies of each response
        :param server_type: type of server the responses came from
        :param etag: etag
        :param headers: headers of each response
        :returns: swob.Response object with the correct status, body, etc. set
        """
        resp = Response(request=req)
        if len(statuses):
            for hundred in (HTTP_OK, HTTP_MULTIPLE_CHOICES, HTTP_BAD_REQUEST):
                hstatuses = \
                    [s for s in statuses if hundred <= s < hundred + 100]
                if len(hstatuses) >= quorum_size(len(statuses)):
                    status = max(hstatuses)
                    status_index = statuses.index(status)
                    resp.status = '%s %s' % (status, reasons[status_index])
                    resp.body = bodies[status_index]
                    if headers:
                        update_headers(resp, headers[status_index])
                    if etag:
                        resp.headers['etag'] = etag.strip('"')
                    return resp
        self.app.logger.error(_('%(type)s returning 503 for %(statuses)s'),
                              {'type': server_type, 'statuses': statuses})
        resp.status = '503 Internal Server Error'
        return resp

# 需要导入模块: from swift.common.swob import Response [as 别名]
# 或者: from swift.common.swob.Response import headers['etag'] [as 别名]
    def make_object_response(self, req, metadata, stream=None):
        conditional_etag = None
        if 'X-Backend-Etag-Is-At' in req.headers:
            conditional_etag = metadata.get(
                req.headers['X-Backend-Etag-Is-At'])

        resp = Response(request=req, conditional_response=True,
                        conditional_etag=conditional_etag)

        if config_true_value(metadata['deleted']):
            resp.headers['Content-Type'] = DELETE_MARKER_CONTENT_TYPE
        else:
            resp.headers['Content-Type'] = metadata.get(
                'mime_type', 'application/octet-stream')
        properties = metadata.get('properties')
        if properties:
            for k, v in properties.iteritems():
                if is_sys_or_user_meta('object', k) or \
                        is_object_transient_sysmeta(k) or \
                        k.lower() in self.allowed_headers:
                    resp.headers[str(k)] = v
        hash_ = metadata.get('hash')
        if hash_ is not None:
            hash_ = hash_.lower()
        resp.headers['etag'] = hash_
        resp.headers['x-object-sysmeta-version-id'] = metadata['version']
        ts = Timestamp(metadata['ctime'])
        resp.last_modified = math.ceil(float(ts))
        if stream:
            # Whether we are bothered with ranges or not, we wrap the
            # stream in order to handle exceptions.
            resp.app_iter = StreamRangeIterator(req, stream)

        length_ = metadata.get('length')
        if length_ is not None:
            length_ = int(length_)
        resp.content_length = length_
        resp.content_encoding = metadata.get('encoding')
        resp.accept_ranges = 'bytes'
        return resp

# 需要导入模块: from swift.common.swob import Response [as 别名]
# 或者: from swift.common.swob.Response import headers['etag'] [as 别名]
    def make_object_response(self, req, metadata, stream=None, ranges=None):
        conditional_etag = None
        if 'X-Backend-Etag-Is-At' in req.headers:
            conditional_etag = metadata.get(
                req.headers['X-Backend-Etag-Is-At'])

        resp = Response(request=req, conditional_response=True,
                        conditional_etag=conditional_etag)

        if config_true_value(metadata['deleted']):
            resp.headers['Content-Type'] = DELETE_MARKER_CONTENT_TYPE
        else:
            resp.headers['Content-Type'] = metadata.get(
                'mime_type', 'application/octet-stream')
        properties = metadata.get('properties')
        if properties:
            for k, v in properties.iteritems():
                if is_sys_or_user_meta('object', k) or \
                        is_object_transient_sysmeta(k) or \
                        k.lower() in self.allowed_headers:
                    resp.headers[str(k)] = v
        resp.headers['etag'] = metadata['hash'].lower()
        resp.headers['x-object-sysmeta-version-id'] = metadata['version']
        ts = Timestamp(metadata['ctime'])
        resp.last_modified = math.ceil(float(ts))
        if stream:
            if ranges:
                resp.app_iter = StreamRangeIterator(stream)
            else:
                resp.app_iter = stream

        resp.content_length = int(metadata['length'])
        try:
            resp.content_encoding = metadata['encoding']
        except KeyError:
            pass
        resp.accept_ranges = 'bytes'
        return resp