失败: Request timed out.

报错分析报告

1. 错误翻译

原文：Request timed out.
译文：请求超时。

2. 原因分析

3.解决方案

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

# 1. 配置重试策略（指数退避）
session = requests.Session()
retry = Retry(
    total=3,               # 总重试次数
    backoff_factor=1,      # 重试间隔：1s → 2s → 4s
    status_forcelist=[429, 500, 502, 503, 504]  # 需重试的状态码
)
adapter = HTTPAdapter(max_retries=retry)
session.mount("http://", adapter)
session.mount("https://", adapter)

# 2. 发起带超时的请求（连接超时5s，读取超时10s）
try:
    response = session.get(
        "https://api.example.com/endpoint",
        timeout=(5, 10)  # (连接超时, 读取超时)
    )
    response.raise_for_status()  # 抛出HTTP错误（如404/500）
except requests.exceptions.Timeout:
    print("错误：请求超时，请检查网络或服务可用性")
except requests.exceptions.RequestException as e:
    print(f"请求失败：{e}")

4. 预防措施