15 lines
474 B
Python
15 lines
474 B
Python
#!/usr/bin/env python3
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import time
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from urllib.error import URLError
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from urllib.request import Request, urlopen
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def urlopen_with_retry(req: Request, timeout: int = 30):
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"""urlopen wrapper that retries transient network failures (3s, 10s backoff)."""
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for delay in (3, 10, None):
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try:
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return urlopen(req, timeout=timeout)
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except (URLError, TimeoutError):
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if delay is None:
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raise
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time.sleep(delay)
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