Reference library

Reliability & rate limiting

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

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Reliability & rate limiting easy

How to implement rate limiting in Python

A beginner-friendly Python rate limiter that throttles API calls and retries parsing tasks with exponential backoff.

rate-limiting retry parsing
Python 
import time
import random

class RateLimiter:
    def __init__(self, max_calls, per_seconds):
        self.max_calls = max_calls
        self.per_seconds = per_seconds
        self.timestamps = []
    
    def allow(self):
        now = time.time()
        self.timestamps = [t for t in self.timestamps if now - t < sel…
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Reliability & rate limiting — Python code examples

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