Reference library

Microservices patterns

Service boundaries, discovery, inter-service calls, and decomposition patterns.

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Microservices patterns medium

Python Saga Compensating Steps Mock

Mock a distributed transaction saga with forward steps and compensating actions that reverse partial progress on failure.

saga microservices compensation
Python 
from datetime import datetime


def make_payment(user_id, amount):
    print(f"[{datetime.now():%H:%M:%S}] Payment of ${amount} processed for user {user_id}")
    return {"step": "payment", "status": "ok", "details": f"${amount} charged"}


def deduct_inventory(order_id, items):
    print(f"[{datetime.now():%H:%M:%S}]…
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Microservices patterns — Python code examples

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