Reference library

Observability & SRE

Structured logging, metrics, tracing, health checks, and SLO-friendly instrumentation.

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Observability & SRE easy

How to Mock a Baggage Context (Key-Value Store) in Python

This code implements an in-memory key-value mock of a baggage context, letting you set, get, check, and delete keys for tracing-style metadata.

baggage tracing mock
Python 
class BaggageContext:
    def __init__(self):
        self._store = {}

    def set(self, key, value):
        self._store[key] = value
        return value

    def get(self, key, default=None):
        return self._store.get(key, default)

    def has(self, key):
        return key in self._store

    def delete(sel…
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