code: 429

1. 🌐 错误翻译

原文：Error code: 429
译文：错误代码：429

2. 🎯 原因分析

3. 💡 解决方案

import time
import requests
from requests.adapters import HTTPAdapter
from urllib3.util.retry import Retry

def safe_api_call(url, headers=None, params=None, max_retries=5, backoff_factor=2):
    """带限流重试机制的API调用函数"""
    session = requests.Session()
    # 配置重试策略：针对429状态码重试
    retry_strategy = Retry(
        total=max_retries,
        backoff_factor=backoff_factor,
        status_forcelist=[429],  # 重点对429错误进行重试
        allowed_methods=["GET", "POST"]
    )
    adapter = HTTPAdapter(max_retries=retry_strategy)
    session.mount("http://", adapter)
    session.mount("https://", adapter)

    try:
        response = session.get(url, headers=headers, params=params)
        response.raise_for_status()
        return response.json()
    except requests.exceptions.RetryError as e:
        if "429" in str(e):
            print("触发API限流，已超过最大重试次数，请降低请求频率或联系API服务商提高额度")
        raise e

4. 🛡️ 预防措施