Python CQRS: Building distributed systems without the pain (Sagas, Outbox, Event-Driven)
Vadim Kozyrevskii
Building distributed systems in Python? Here is how python-cqrs tackles consistency with orchestrated sagas, the mediator pattern, and a transactional outbox—without preaching theory for ten pages first. TL;DR Commands and queries stay in plain handlers: nothing in the handler depends on HTTP, Kafka, or CLI. Sagas: persisted state, automatic compensation, recovery after crashes; see the docs for fallback and circuit-style options. Transactional outbox: integration events in the same DB transacti