Python yaml.MarkedYAMLError() Examples

def get_folder_semver(folder_path: str):
    for item in os.listdir(folder_path):
        item_path = os.path.join(folder_path, item)
        if not os.path.isfile(item_path) or not is_yaml_file(item_path):
            continue

        with open(item_path, 'r') as f:
            file_content = f.read()

        if identify.get_operator_artifact_type(file_content) == 'ClusterServiceVersion':
            try:
                csv_version = safe_load(file_content)['spec']['version']
            except MarkedYAMLError:
                msg = f'{item} is not a valid YAML file.'
                logger.error(msg)
                raise OpCourierBadYaml(msg)
            except KeyError:
                msg = f'{item} is not a valid CSV file as "spec.version" ' \
                      f'field is required'
                logger.error(msg)
                raise OpCourierBadBundle(msg, {})
            return csv_version

    return None 

def get_operator_artifact_type(operatorArtifactString):
    """get_operator_artifact_type takes a yaml string and determines if it is
    one of the expected bundle types.

    :param operatorArtifactString: Yaml string to type check
    """

    # Default to unknown file unless identified
    artifact_type = UNKNOWN_FILE

    try:
        operatorArtifact = safe_load(operatorArtifactString)
    except MarkedYAMLError:
        msg = "Courier requires valid input YAML files"
        logger.error(msg)
        raise OpCourierBadYaml(msg)
    else:
        if isinstance(operatorArtifact, dict):
            if "packageName" in operatorArtifact:
                artifact_type = PKG_STR
            elif operatorArtifact.get("kind") in {CRD_STR, CSV_STR}:
                artifact_type = operatorArtifact["kind"]
        return artifact_type 

def _parse_yaml_file(file_path: str) -> Tuple[Dict[str, List[str]], List[FileSyntaxError]]:
    """
    Parse a file in the YAML format.

    :param file_path: The location of the file that will be processed.
    :type file_path: str
    :return: Tuple with mapping of key and list of values and list of syntax errors
    """
    with open(file_path) as f:
        content = f.read()

    if not content:
        return {}, [FileSyntaxError(line_no=1, message="The file is empty.")]
    try:
        secrets = yaml.safe_load(content)
    except yaml.MarkedYAMLError as e:
        return {}, [FileSyntaxError(line_no=e.problem_mark.line, message=str(e))]
    if not isinstance(secrets, dict):
        return {}, [FileSyntaxError(line_no=1, message="The file should contain the object.")]

    return secrets, [] 

def make_rosparam(self, name, ns, value, condition):
    # ---- lazy rosparam import as per the oringinal roslaunch code
        global rosparam
        if rosparam is None:
            import rosparam
        try:
            value = yaml.safe_load(value)
        except yaml.MarkedYAMLError as e:
            raise ConfigurationError(str(e))
    # ----- try to use given name, namespace or both
        ns = self._ns_join(ns or self.private_ns, self.private_ns)
        if name:
            name = self._ns_join(name, ns)
        else:
            if not isinstance(value, dict):
                raise ConfigurationError("'param' attribute must be set"
                                         " for non-dictionary values")
    # ----- this will unfold, so we can use namespace in place of a name
            name = ns
        conditions = list(self.conditions)
        if not condition is True:
            conditions.append(condition)
        self._yaml_param(name, value, conditions, private = False) 

def load(self):
		# Prepare + load directory.
		super().load()

		# Load the files and parse Yaml.
		parsed_settings = dict()

		try:
			for file_name in self.files:
				file_path = os.path.join(self.directory, file_name)
				with open(file_path, 'r') as file_handle:
					parsed_settings.update(yaml.safe_load(file_handle))
		except (yaml.YAMLError, yaml.MarkedYAMLError) as e:
			raise ImproperlyConfigured(
				'Your settings file(s) contain invalid YAML syntax! Please fix and restart!, {}'.format(str(e))
			)

		# Loop and set in local settings (+ uppercase keys).
		for key, value in parsed_settings.items():
			self.settings[key.upper()] = value 

def check_api_params(checker: t.Trafaret, loads: Callable[[str], Any] = None,
                     query_param_checker: t.Trafaret = None) -> Any:
    # FIXME: replace ... with [web.Request, Any...] in the future mypy
    def wrap(handler: Callable[..., Awaitable[web.Response]]):

        @functools.wraps(handler)
        async def wrapped(request: web.Request, *args, **kwargs) -> web.Response:
            orig_params: Any
            body: str = ''
            try:
                body_exists = request.can_read_body
                if body_exists:
                    body = await request.text()
                    if request.content_type == 'text/yaml':
                        orig_params = yaml.load(body, Loader=yaml.BaseLoader)
                    else:
                        orig_params = (loads or json.loads)(body)
                else:
                    orig_params = dict(request.query)
                stripped_params = orig_params.copy()
                stripped_params.pop('owner_access_key', None)
                log.debug('stripped raw params: {}', mask_sensitive_keys(stripped_params))
                checked_params = checker.check(stripped_params)
                if body_exists and query_param_checker:
                    query_params = query_param_checker.check(request.query)
                    kwargs['query'] = query_params
            except (json.decoder.JSONDecodeError, yaml.YAMLError, yaml.MarkedYAMLError):
                raise InvalidAPIParameters('Malformed body')
            except t.DataError as e:
                raise InvalidAPIParameters('Input validation error',
                                           extra_data=e.as_dict())
            return await handler(request, checked_params, *args, **kwargs)

        return wrapped

    return wrap 

def put(request: web.Request, params: Any) -> web.Response:
    dbpool = request.app['dbpool']
    template_id = request.match_info['template_id']

    requester_access_key, owner_access_key = await get_access_key_scopes(request, params)
    log.info('PUT (ak:{0}/{1})',
             requester_access_key, owner_access_key if owner_access_key != requester_access_key else '*')

    async with dbpool.acquire() as conn, conn.begin():
        query = (sa.select([session_templates.c.id])
                   .select_from(session_templates)
                   .where((session_templates.c.id == template_id) &
                          (session_templates.c.is_active)
                          ))
        result = await conn.scalar(query)
        if not result:
            raise TaskTemplateNotFound
        try:
            body = json.loads(params['payload'])
        except json.JSONDecodeError:
            body = yaml.load(params['payload'], Loader=yaml.BaseLoader)
        except (yaml.YAMLError, yaml.MarkedYAMLError):
            raise InvalidAPIParameters('Malformed payload')
        body = task_template_v1.check(body)
        query = (sa.update(session_templates)
                   .values(template=body, name=body['metadata']['name'])
                   .where((session_templates.c.id == template_id)))
        result = await conn.execute(query)
        assert result.rowcount == 1

        return web.json_response({'success': True}) 

def __init__(self, yaml_file: str):

        ConfigParser.check_for_tabs_in_file(yaml_file)

        try:
            self._configuration = yaml.safe_load(open(yaml_file, "r"))
        except yaml.MarkedYAMLError as excep:
            extra_info = (
                f"There is something wrong in the configuration file {yaml_file}. "
            )

            if hasattr(excep, "problem_mark"):
                extra_info += (
                    "The typo is probably somewhere around "
                    f"line {excep.problem_mark.line + 1}."
                )

            raise type(excep)(
                f"{excep}. {terminal_colors.RED}{terminal_colors.BOLD}"
                f"{extra_info}{terminal_colors.END}"
            ).with_traceback(sys.exc_info()[2])

        self._config_folder = pathlib.Path(yaml_file).parent
        self._page_ids: typing.List[str] = []
        self._assets: set = set()
        self.clean_configuration()