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Fixed Window Counter Rate Limiting in Python

A simple fixed window counter rate limiter that allows a maximum number of requests per 60-second window, with a mock time simulation.

rate-limiting fixed-window time

Python

from collections import deque
from time import time

class FixedWindowCounter:
    def __init__(self, max_requests):
        self.max_requests = max_requests
        self.window_start = int(time())
        self.window_count = 0

    def allow_request(self):
        current_time = int(time())
        if current_time >=…

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