server_info_item.py

import logging
import warnings
import xml

from defusedxml.ElementTree import fromstring
from tableauserverclient.helpers.logging import logger


class ServerInfoItem(object):
    def __init__(self, product_version, build_number, rest_api_version):
        self._product_version = product_version
        self._build_number = build_number
        self._rest_api_version = rest_api_version

    def __repr__(self):
        return (
            "ServerInfoItem: [product version: "
            + self._product_version
            + ", build no.:"
            + self._build_number
            + ", REST API version:"
            + self.rest_api_version
            + "]"
        )

    @property
    def product_version(self):
        return self._product_version

    @property
    def build_number(self):
        return self._build_number

    @property
    def rest_api_version(self):
        return self._rest_api_version

    @classmethod
    def from_response(cls, resp, ns):
        try:
            parsed_response = fromstring(resp)
        except xml.etree.ElementTree.ParseError as error:
            logger.info("Unexpected response for ServerInfo: {}".format(resp))
            logger.info(error)
            return cls("Unknown", "Unknown", "Unknown")
        except Exception as error:
            logger.info("Unexpected response for ServerInfo: {}".format(resp))
            logger.info(error)
            return cls("Unknown", "Unknown", "Unknown")

        product_version_tag = parsed_response.find(".//t:productVersion", namespaces=ns)
        rest_api_version_tag = parsed_response.find(".//t:restApiVersion", namespaces=ns)

        build_number = product_version_tag.get("build", None)
        product_version = product_version_tag.text
        rest_api_version = rest_api_version_tag.text

        return cls(product_version, build_number, rest_api_version)