INNER CODE UNIT · Python

PrometheusMiddleware

stephenhillier/starlette_exporter · starlette_exporter/middleware.py:123

class PrometheusMiddleware:
    """Middleware that collects Prometheus metrics for each request.
    Use in conjuction with the Prometheus exporter endpoint handler.
    """

    _metrics: ClassVar[Dict[str, MetricWrapperBase]] = {}

    def __init__(
        self,
        app: ASGIApp,
        group_paths: bool = True,
        app_name: str = "starlette",
        prefix: str = "starlette",
        buckets: Optional[Sequence[Union[float, str]]] = None,
        filter_unhandled_paths: bool = True,
        skip_paths: Optional[List[str]] = None,
        skip_methods: Optional[List[str]] = None,
        optional_metrics: Optional[List[str]] = None,

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