42 lines
950 B
Python
42 lines
950 B
Python
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"""
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HTTP 工具模块
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"""
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import requests
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from requests.adapters import HTTPAdapter
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from urllib3.util.retry import Retry
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def get_retry_session(
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retries: int = 3,
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backoff_factor: float = 0.5,
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status_forcelist: tuple = (500, 502, 503, 504)
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) -> requests.Session:
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"""
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获取带重试机制的 HTTP Session
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Args:
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retries: 重试次数
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backoff_factor: 重试间隔因子
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status_forcelist: 需要重试的 HTTP 状态码
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Returns:
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配置好的 Session 实例
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"""
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session = requests.Session()
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retry = Retry(
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total=retries,
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read=retries,
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connect=retries,
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backoff_factor=backoff_factor,
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status_forcelist=status_forcelist,
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)
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adapter = HTTPAdapter(max_retries=retry)
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session.mount('http://', adapter)
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session.mount('https://', adapter)
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return session
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# 全局共享 Session
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global_session = get_retry_session()
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