Python XML.find方法代码示例

# 需要导入模块: from txaws.util import XML [as 别名]
# 或者: from txaws.util.XML import find [as 别名]
 def get_console_output(self, xml_bytes):
     root = XML(xml_bytes)
     output_node = root.find("output")
     instance_id = root.find("instanceId").text.decode("ascii").strip()
     timestamp = parse_timestamp(root.find("timestamp").text)
     console_text = output_node.text.decode("base64").decode("utf-8")
     return model.ConsoleOutput(
         instance_id,
         timestamp,
         console_text,
     )

# 需要导入模块: from txaws.util import XML [as 别名]
# 或者: from txaws.util.XML import find [as 别名]
 def from_xml(cls, xml_bytes):
     root = XML(xml_bytes)
     owner_node = root.find("Owner")
     owner = Owner(owner_node.findtext("ID"),
                   owner_node.findtext("DisplayName"))
     acl_node = root.find("AccessControlList")
     acl = []
     for grant_node in acl_node.findall("Grant"):
         grantee_node = grant_node.find("Grantee")
         grantee = Grantee(grantee_node.findtext("ID"),
                           grantee_node.findtext("DisplayName"))
         permission = grant_node.findtext("Permission")
         acl.append(Grant(grantee, permission))
     return cls(owner, acl)

# 需要导入模块: from txaws.util import XML [as 别名]
# 或者: from txaws.util.XML import find [as 别名]
    def describe_instances(self, xml_bytes):
        """
        Parse the reservations XML payload that is returned from an AWS
        describeInstances API call.

        Instead of returning the reservations as the "top-most" object, we
        return the object that most developers and their code will be
        interested in: the instances. In instances reservation is available on
        the instance object.

        The following instance attributes are optional:
            * ami_launch_index
            * key_name
            * kernel_id
            * product_codes
            * ramdisk_id
            * reason

        @param xml_bytes: raw XML payload from AWS.
        """
        root = XML(xml_bytes)
        results = []
        # May be a more elegant way to do this:
        for reservation_data in root.find("reservationSet"):
            # Create a reservation object with the parsed data.
            reservation = model.Reservation(
                reservation_id=reservation_data.findtext("reservationId"),
                owner_id=reservation_data.findtext("ownerId"))
            # Get the list of instances.
            instances = self.instances_set(
                reservation_data, reservation)
            results.extend(instances)
        return results

# 需要导入模块: from txaws.util import XML [as 别名]
# 或者: from txaws.util.XML import find [as 别名]
    def describe_volumes(self, xml_bytes):
        """Parse the XML returned by the C{DescribeVolumes} function.

        @param xml_bytes: XML bytes with a C{DescribeVolumesResponse} root
            element.
        @return: A list of L{Volume} instances.

        TODO: attachementSetItemResponseType#deleteOnTermination
        """
        root = XML(xml_bytes)
        result = []
        for volume_data in root.find("volumeSet"):
            volume_id = volume_data.findtext("volumeId")
            size = int(volume_data.findtext("size"))
            snapshot_id = volume_data.findtext("snapshotId")
            availability_zone = volume_data.findtext("availabilityZone")
            status = volume_data.findtext("status")
            create_time = volume_data.findtext("createTime")
            create_time = datetime.strptime(
                create_time[:19], "%Y-%m-%dT%H:%M:%S")
            volume = model.Volume(
                volume_id, size, status, create_time, availability_zone,
                snapshot_id)
            result.append(volume)
            for attachment_data in volume_data.find("attachmentSet"):
                instance_id = attachment_data.findtext("instanceId")
                device = attachment_data.findtext("device")
                status = attachment_data.findtext("status")
                attach_time = attachment_data.findtext("attachTime")
                attach_time = datetime.strptime(
                    attach_time[:19], "%Y-%m-%dT%H:%M:%S")
                attachment = model.Attachment(
                    instance_id, device, status, attach_time)
                volume.attachments.append(attachment)
        return result

# 需要导入模块: from txaws.util import XML [as 别名]
# 或者: from txaws.util.XML import find [as 别名]
    def snapshots(self, xml_bytes):
        """Parse the XML returned by the C{DescribeSnapshots} function.

        @param xml_bytes: XML bytes with a C{DescribeSnapshotsResponse} root
            element.
        @return: A list of L{Snapshot} instances.

        TODO: ownersSet, restorableBySet, ownerId, volumeSize, description,
              ownerAlias.
        """
        root = XML(xml_bytes)
        result = []
        for snapshot_data in root.find("snapshotSet"):
            snapshot_id = snapshot_data.findtext("snapshotId")
            volume_id = snapshot_data.findtext("volumeId")
            status = snapshot_data.findtext("status")
            start_time = snapshot_data.findtext("startTime")
            start_time = datetime.strptime(
                start_time[:19], "%Y-%m-%dT%H:%M:%S")
            progress = snapshot_data.findtext("progress")[:-1]
            progress = float(progress or "0") / 100.
            snapshot = model.Snapshot(
                snapshot_id, volume_id, status, start_time, progress)
            result.append(snapshot)
        return result

# 需要导入模块: from txaws.util import XML [as 别名]
# 或者: from txaws.util.XML import find [as 别名]
 def _parse_describe_availability_zones(self, xml_bytes):
     results = []
     root = XML(xml_bytes)
     for zone_data in root.find("availabilityZoneInfo"):
         zone_name = zone_data.findtext("zoneName")
         zone_state = zone_data.findtext("zoneState")
         results.append(model.AvailabilityZone(zone_name, zone_state))
     return results

# 需要导入模块: from txaws.util import XML [as 别名]
# 或者: from txaws.util.XML import find [as 别名]
 def _parse_describe_addresses(self, xml_bytes):
     results = []
     root = XML(xml_bytes)
     for address_data in root.find("addressesSet"):
         address = address_data.findtext("publicIp")
         instance_id = address_data.findtext("instanceId")
         results.append((address, instance_id))
     return results

# 需要导入模块: from txaws.util import XML [as 别名]
# 或者: from txaws.util.XML import find [as 别名]
 def _parse_terminate_instances(self, xml_bytes):
     root = XML(xml_bytes)
     result = []
     # May be a more elegant way to do this:
     for instance in root.find("instancesSet"):
         instanceId = instance.findtext("instanceId")
         previousState = instance.find("previousState").findtext("name")
         shutdownState = instance.find("shutdownState").findtext("name")
         result.append((instanceId, previousState, shutdownState))
     return result

# 需要导入模块: from txaws.util import XML [as 别名]
# 或者: from txaws.util.XML import find [as 别名]
 def _parse_describe_keypairs(self, xml_bytes):
     results = []
     root = XML(xml_bytes)
     keypairs = root.find("keySet")
     if not keypairs:
         return results
     for keypair_data in keypairs:
         key_name = keypair_data.findtext("keyName")
         key_fingerprint = keypair_data.findtext("keyFingerprint")
         results.append(model.Keypair(key_name, key_fingerprint))
     return results

# 需要导入模块: from txaws.util import XML [as 别名]
# 或者: from txaws.util.XML import find [as 别名]
 def _parse_list_buckets(self, xml_bytes):
     """
     Parse XML bucket list response.
     """
     root = XML(xml_bytes)
     buckets = []
     for bucket_data in root.find("Buckets"):
         name = bucket_data.findtext("Name")
         date_text = bucket_data.findtext("CreationDate")
         date_time = parseTime(date_text)
         bucket = Bucket(name, date_time)
         buckets.append(bucket)
     return buckets

# 需要导入模块: from txaws.util import XML [as 别名]
# 或者: from txaws.util.XML import find [as 别名]
 def _parse_list_buckets(self, xml_bytes):
     """
     Parse XML bucket list response.
     """
     root = XML(xml_bytes)
     buckets = []
     for bucket_data in root.find("Buckets"):
         name = bucket_data.findtext("Name")
         date_text = bucket_data.findtext("CreationDate")
         date_time = Time.fromISO8601TimeAndDate(date_text).asDatetime()
         bucket = model.Bucket(name, date_time)
         buckets.append(bucket)
     return buckets

# 需要导入模块: from txaws.util import XML [as 别名]
# 或者: from txaws.util.XML import find [as 别名]
 def _parse_snapshots(self, xml_bytes):
     root = XML(xml_bytes)
     result = []
     for snapshot_data in root.find("snapshotSet"):
         snapshot_id = snapshot_data.findtext("snapshotId")
         volume_id = snapshot_data.findtext("volumeId")
         status = snapshot_data.findtext("status")
         start_time = snapshot_data.findtext("startTime")
         start_time = datetime.strptime(start_time[:19], "%Y-%m-%dT%H:%M:%S")
         progress = snapshot_data.findtext("progress")[:-1]
         progress = float(progress or "0") / 100.0
         snapshot = model.Snapshot(snapshot_id, volume_id, status, start_time, progress)
         result.append(snapshot)
     return result

# 需要导入模块: from txaws.util import XML [as 别名]
# 或者: from txaws.util.XML import find [as 别名]
    def describe_addresses(self, xml_bytes):
        """Parse the XML returned by the C{DescribeAddresses} function.

        @param xml_bytes: XML bytes with a C{DescribeAddressesResponse} root
            element.
        @return: a C{list} of L{tuple} of (publicIp, instancId).
        """
        results = []
        root = XML(xml_bytes)
        for address_data in root.find("addressesSet"):
            address = address_data.findtext("publicIp")
            instance_id = address_data.findtext("instanceId")
            results.append((address, instance_id))
        return results

# 需要导入模块: from txaws.util import XML [as 别名]
# 或者: from txaws.util.XML import find [as 别名]
    def describe_availability_zones(self, xml_bytes):
        """Parse the XML returned by the C{DescribeAvailibilityZones} function.

        @param xml_bytes: XML bytes with a C{DescribeAvailibilityZonesResponse}
            root element.
        @return: a C{list} of L{AvailabilityZone}.
        """
        results = []
        root = XML(xml_bytes)
        for zone_data in root.find("availabilityZoneInfo"):
            zone_name = zone_data.findtext("zoneName")
            zone_state = zone_data.findtext("zoneState")
            results.append(model.AvailabilityZone(zone_name, zone_state))
        return results

# 需要导入模块: from txaws.util import XML [as 别名]
# 或者: from txaws.util.XML import find [as 别名]
    def describe_keypairs(self, xml_bytes):
        """Parse the XML returned by the C{DescribeKeyPairs} function.

        @param xml_bytes: XML bytes with a C{DescribeKeyPairsResponse} root
            element.
        @return: a C{list} of L{Keypair}.
        """
        results = []
        root = XML(xml_bytes)
        keypairs = root.find("keySet")
        if keypairs is None:
            return results
        for keypair_data in keypairs:
            key_name = keypair_data.findtext("keyName")
            key_fingerprint = keypair_data.findtext("keyFingerprint")
            results.append(model.Keypair(key_name, key_fingerprint))
        return results