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Reliability & rate limiting

Retries, exponential backoff, circuit breakers, token buckets, and idempotent handlers.

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Reliability & rate limiting easy

How to Stop Receiving Requests Until Ready in Python

A mock server that refuses requests until a readiness gate is passed, simulating fail-stop behavior for production reliability.

readiness fail-stop mock-server
Python 
import random
import time


class MockServer:
    def __init__(self):
        self.ready = False
        self.requests_received = 0

    def readiness_check(self):
        """Simulates a readiness probe. Returns True only when ready."""
        if not self.ready:
            return False
        return True

    def r…
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