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Microservices patterns

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

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Microservices patterns easy

How to Order Partition Key Events in Python (Mock Stream)

Generate a mock event stream grouped by partition key and sort it deterministically by key then sequence in Python.

partition events sorting
Python 
import itertools
import random


def partition_key_events(keys, events_per_key=3, seed=None):
    """Produce a realistic-looking, but mock, event stream grouped by partition key.

    Args:
        keys: iterable of partition keys (e.g. strings or ints).
        events_per_key: how many events we want per key.
       …
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