def get_metric()

in src/mozanalysis/config.py [0:0]

• 24 lines of code
• 3 McCabe index (conditional complexity)

    def get_metric(self, metric_slug: str, app_name: str) -> Metric:
        """Load a metric definition for the given app.

        Returns a :class:`mozanalysis.metrics.Metric` instance.
        """

        metric_definition = self.configs.get_metric_definition(metric_slug, app_name)
        if metric_definition is None:
            if self.check_configs_for_app(app_name):
                raise MetricNotFound(
                    f"Could not find definition for metric {metric_slug} in application {app_name}"  # noqa:E501
                )
            else:
                raise ApplicationNotFound(
                    f"Could not find application {app_name}, so metric {metric_slug} could not be resolved"  # noqa:E501
                )

        return Metric(
            name=metric_definition.name,
            select_expr=self.configs.get_env()
            .from_string(metric_definition.select_expression)
            .render(),
            friendly_name=metric_definition.friendly_name,
            description=metric_definition.description,
            data_source=self.get_data_source(
                metric_definition.data_source.name, app_name
            ),
            bigger_is_better=metric_definition.bigger_is_better,
            app_name=app_name,
        )