Python etree.tostring函数代码示例

 def append_copy_resp_body(self, controller_name, last_modified):
     elem = Element("Copy%sResult" % controller_name)
     SubElement(elem, "LastModified").text = last_modified
     SubElement(elem, "ETag").text = '"%s"' % self.etag
     self.headers["Content-Type"] = "application/xml"
     self.body = tostring(elem)
     self.etag = None

    def GET(self, req):
        """
        Handle GET Service request
        """
        resp = req.get_response(self.app, query={'format': 'json'})

        containers = loads(resp.body)
        # we don't keep the creation time of a backet (s3cmd doesn't
        # work without that) so we use something bogus.
        elem = Element('ListAllMyBucketsResult')

        owner = SubElement(elem, 'Owner')
        SubElement(owner, 'ID').text = req.user_id
        SubElement(owner, 'DisplayName').text = req.user_id

        buckets = SubElement(elem, 'Buckets')
        for c in containers:
            bucket = SubElement(buckets, 'Bucket')
            SubElement(bucket, 'Name').text = c['name']
            SubElement(bucket, 'CreationDate').text = \
                '2009-02-03T16:45:09.000Z'

        body = tostring(elem)

        return HTTPOk(content_type='application/xml', body=body)

 def test_tostring_with_nonascii_text(self):
     elem = etree.Element('Test')
     sub = etree.SubElement(elem, 'FOO')
     sub.text = '\xef\xbc\xa1'
     self.assertTrue(isinstance(sub.text, str))
     xml_string = etree.tostring(elem)
     self.assertTrue(isinstance(xml_string, str))

    def test_bucket_acl_PUT(self):
        elem = Element('AccessControlPolicy')
        owner = SubElement(elem, 'Owner')
        SubElement(owner, 'ID').text = 'id'
        acl = SubElement(elem, 'AccessControlList')
        grant = SubElement(acl, 'Grant')
        grantee = SubElement(grant, 'Grantee', nsmap={'xsi': XMLNS_XSI})
        grantee.set('{%s}type' % XMLNS_XSI, 'Group')
        SubElement(grantee, 'URI').text = \
            'http://acs.amazonaws.com/groups/global/AllUsers'
        SubElement(grant, 'Permission').text = 'READ'

        xml = tostring(elem)
        req = Request.blank('/bucket?acl',
                            environ={'REQUEST_METHOD': 'PUT'},
                            headers={'Authorization': 'AWS test:tester:hmac'},
                            body=xml)
        status, headers, body = self.call_swift3(req)
        self.assertEquals(status.split()[0], '200')

        req = Request.blank('/bucket?acl',
                            environ={'REQUEST_METHOD': 'PUT',
                                     'wsgi.input': StringIO(xml)},
                            headers={'Authorization': 'AWS test:tester:hmac',
                                     'Transfer-Encoding': 'chunked'})
        self.assertIsNone(req.content_length)
        self.assertIsNone(req.message_length())
        status, headers, body = self.call_swift3(req)
        self.assertEquals(status.split()[0], '200')

    def _test_object_multi_DELETE(self, account):
        self.keys = ['Key1', 'Key2']
        self.swift.register(
            'DELETE', '/v1/AUTH_test/bucket/%s' % self.keys[0],
            swob.HTTPNoContent, {}, None)
        self.swift.register(
            'DELETE', '/v1/AUTH_test/bucket/%s' % self.keys[1],
            swob.HTTPNotFound, {}, None)

        elem = Element('Delete')
        for key in self.keys:
            obj = SubElement(elem, 'Object')
            SubElement(obj, 'Key').text = key
        body = tostring(elem, use_s3ns=False)
        content_md5 = md5(body).digest().encode('base64').strip()

        req = Request.blank('/bucket?delete',
                            environ={'REQUEST_METHOD': 'POST'},
                            headers={'Authorization': 'AWS %s:hmac' % account,
                                     'Date': self.get_date_header(),
                                     'Content-MD5': content_md5},
                            body=body)
        req.date = datetime.now()
        req.content_type = 'text/plain'

        return self.call_swift3(req)

    def _gen_invalid_multi_delete_xml(self, hasObjectTag=False):
        elem = Element('Delete')
        if hasObjectTag:
            obj = SubElement(elem, 'Object')
            SubElement(obj, 'Key').text = ''

        return tostring(elem, use_s3ns=False)

    def to_xml(self):
        conf_elem = Element('LifecycleConfiguration')
        for rule in self.rules:
            rule_elem = SubElement(conf_elem, 'Rule')
            rule.to_xml(rule_elem)

        return tostring(conf_elem)

 def _gen_comp_xml(self, etags):
     elem = Element('CompleteMultipartUpload')
     for i, etag in enumerate(etags):
         elem_part = SubElement(elem, 'Part')
         SubElement(elem_part, 'PartNumber').text = str(i + 1)
         SubElement(elem_part, 'ETag').text = etag
     return tostring(elem)

    def POST(self, req):
        """
        Handles Initiate Multipart Upload.
        """

        # Create a unique S3 upload id from UUID to avoid duplicates.
        upload_id = unique_id()

        container = req.container_name + MULTIUPLOAD_SUFFIX
        try:
            req.get_response(self.app, 'PUT', container, '')
        except BucketAlreadyExists:
            pass

        obj = '%s/%s' % (req.object_name, upload_id)

        req.get_response(self.app, 'PUT', container, obj, body='')

        result_elem = Element('InitiateMultipartUploadResult')
        SubElement(result_elem, 'Bucket').text = req.container_name
        SubElement(result_elem, 'Key').text = req.object_name
        SubElement(result_elem, 'UploadId').text = upload_id

        body = tostring(result_elem)

        return HTTPOk(body=body, content_type='application/xml')

    def POST(self, req):
        if not req.object_name:
            raise InvalidRequest('A key must be specified')

        # Create a unique S3 upload id from UUID to avoid duplicates.
        upload_id = unique_id()

        container = req.container_name + '+segments'
        try:
            req.put_swift_container(self.app, container=container)
        except BucketAlreadyExists:
            pass
        req.put_upload_status(self.app, upload_id)

        #
        # Return the S3 response
        #
        result_elem = Element('InitiateMultipartUploadResult')
        SubElement(result_elem, 'Bucket').text = req.container_name
        SubElement(result_elem, 'Key').text = req.object_name
        SubElement(result_elem, 'UploadId').text = upload_id

        body = tostring(result_elem)

        return HTTPOk(body=body, content_type='application/xml')

    def PUT(self, req):
        if 'uploadId' not in req.params:
            raise InvalidArgument('ResourceType', 'partNumber',
                                  'Unexpected query string parameter')

        try:
            partNumber = int(req.params['partNumber'])
            if partNumber < 1 or utils.MAX_MAX_PARTS < partNumber:
                raise Exception()
        except Exception:
            err_msg = 'Part number must be an integer between 1 and ' \
                '%d, inclusive' % utils.MAX_MAX_PARTS
            raise InvalidArgument('partNumber', req.params['partNumber'],
                                  err_msg)

        upload_id = req.params['uploadId']
        _check_owner_from_upload_id(self.app, req, upload_id)

        container = req.container_name + '+segments'
        obj = '%s/%s/%d' % (req.object_name, upload_id,
                            int(req.params['partNumber']))
        resp = req.put_swift_object(self.app, container=container, obj=obj,
                                    access_check=True)

        if req.copy_source is not None:
            result_elem = Element('CopyPartResult', use_s3ns=False)
            SubElement(result_elem, 'LastModified').text = \
                resp.last_modified.isoformat()[:-6] + '.000Z'
            SubElement(result_elem, 'ETag').text = resp.etag
            resp.body = tostring(result_elem)

        resp.status = 200
        resp.etag = resp.etag  # add '"'
        return resp

    def test_object_multi_DELETE(self):
        self.swift.register('DELETE', '/v1/AUTH_test/bucket/Key1',
                            swob.HTTPNoContent, {}, None)
        self.swift.register('DELETE', '/v1/AUTH_test/bucket/Key2',
                            swob.HTTPNotFound, {}, None)

        elem = Element('Delete')
        for key in ['Key1', 'Key2']:
            obj = SubElement(elem, 'Object')
            SubElement(obj, 'Key').text = key
        body = tostring(elem, use_s3ns=False)
        content_md5 = md5(body).digest().encode('base64').strip()

        req = Request.blank('/bucket?delete',
                            environ={'REQUEST_METHOD': 'POST'},
                            headers={'Authorization': 'AWS test:tester:hmac',
                                     'Content-MD5': content_md5},
                            body=body)
        req.date = datetime.now()
        req.content_type = 'text/plain'
        status, headers, body = self.call_swift3(req)
        self.assertEquals(status.split()[0], '200')

        elem = fromstring(body)
        self.assertEquals(len(elem.findall('Deleted')), 2)

    def _test_object_acl_PUT(self, account, permission='FULL_CONTROL'):
        acl = ACL(self.default_owner, [Grant(User(account), permission)])
        req = Request.blank('/bucket/object?acl',
                            environ={'REQUEST_METHOD': 'PUT'},
                            headers={'Authorization': 'AWS %s:hmac' % account},
                            body=tostring(acl.elem()))

        return self.call_swift3(req)

    def _gen_multi_delete_xml(self, objects, quiet=None):
        elem = Element('Delete')
        if quiet:
            SubElement(elem, 'Quiet').text = quiet
        for key in objects:
            obj = SubElement(elem, 'Object')
            SubElement(obj, 'Key').text = key

        return tostring(elem, use_s3ns=False)

    def GET(self, req):
        """
        Handle GET Bucket (List Objects) request
        """
        if 'max-keys' in req.params:
            if req.params.get('max-keys').isdigit() is False:
                raise InvalidArgument('max-keys', req.params['max-keys'])

        max_keys = min(int(req.params.get('max-keys', MAX_BUCKET_LISTING)),
                       MAX_BUCKET_LISTING)

        query = {
            'format': 'json',
            'limit': max_keys + 1,
        }
        if 'marker' in req.params:
            query.update({'marker': req.params['marker']})
        if 'prefix' in req.params:
            query.update({'prefix': req.params['prefix']})
        if 'delimiter' in req.params:
            query.update({'delimiter': req.params['delimiter']})

        resp = req.get_response(self.app, query=query)

        objects = loads(resp.body)

        elem = Element('ListBucketResult')
        SubElement(elem, 'Prefix').text = req.params.get('prefix')
        SubElement(elem, 'Marker').text = req.params.get('marker')
        SubElement(elem, 'Delimiter').text = req.params.get('delimiter')
        if max_keys > 0 and len(objects) == max_keys + 1:
            is_truncated = 'true'
        else:
            is_truncated = 'false'
        SubElement(elem, 'IsTruncated').text = is_truncated
        SubElement(elem, 'MaxKeys').text = str(max_keys)
        SubElement(elem, 'Name').text = req.container_name

        for o in objects[:max_keys]:
            if 'subdir' not in o:
                contents = SubElement(elem, 'Contents')
                SubElement(contents, 'Key').text = o['name']
                SubElement(contents, 'LastModified').text = \
                    o['last_modified'] + 'Z'
                SubElement(contents, 'ETag').text = o['hash']
                SubElement(contents, 'Size').text = str(o['bytes'])
                add_canonical_user(contents, 'Owner', req.access_key)

        for o in objects[:max_keys]:
            if 'subdir' in o:
                common_prefixes = SubElement(elem, 'CommonPrefixes')
                SubElement(common_prefixes, 'Prefix').text = o['subdir']

        body = tostring(elem)

        return HTTPOk(body=body, content_type='application/xml')