if func_id in _endpoint_context_cache:
        return _endpoint_context_cache[func_id]

    try:
        ctx: EndpointContext = {}

        if (source_file := inspect.getsourcefile(func)) is not None:
            ctx["file"] = source_file
        if (line_number := inspect.getsourcelines(func)[1]) is not None:
            ctx["line"] = line_number
        if (func_name := getattr(func, "__name__", None)) is not None: