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Reliability & rate limiting

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

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Reliability & rate limiting medium

How to Mock a Circuit Breaker Reset Timeout in Python

This code implements a simple circuit breaker with a reset timeout test, simulating a flaky service to show half-open state transitions.

circuit-breaker reliability mock-testing
Python
import time
import random


class CircuitBreaker:
    def __init__(self, failure_threshold=3, reset_timeout=5):
        self.failure_threshold = failure_threshold
        self.reset_timeout = reset_timeout
        self.failure_count = 0
        self.last_failure_time = None
        self.state = "CLOSED"  # CLOSED (nor…
15 0 Open

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Reliability & rate limiting — Python code examples

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