Method sending_headers

python/examples/flight/middleware.py:68–72

(self)

class TracingClientMiddleware(flight.ClientMiddleware):
    def sending_headers(self):
        print("Sending trace ID:", TraceContext.current_trace_id())
        return {
            "x-tracing-id": TraceContext.current_trace_id(),
        }

    def received_headers(self, headers):
        if TRACE_HEADER in headers: