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API design & gRPC

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API design & gRPC easy

How to Propagate X-Request-ID in Python

Generate a unique request ID when one is missing and pass it through API calls for distributed tracing.

request-id tracing api
Python
import uuid


def generate_request_id() -> str:
    """Generate a unique request ID similar to X-Request-ID header."""
    return str(uuid.uuid4())


def propagate_request_id(request_id: str | None) -> str:
    """Return the request ID for propagation, generating one if missing."""
    if request_id:
        return re…
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