34 lines
868 B
Python
34 lines
868 B
Python
from datetime import datetime
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import http
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import urllib
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import urllib.request
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HTTPRequest = urllib.request.Request
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HTTPResponse = http.client.HTTPResponse
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HTTPException = http.client.HTTPException
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def parse_iso(iso: str) -> datetime:
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return datetime.fromisoformat(iso.replace("Z", "+00:00"))
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def send_with_retry(request: HTTPRequest, retries: int) -> HTTPResponse:
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"""
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Send an HTTP request and retry in case of failure.
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:param request: request to try sending
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:param retries: number of retries
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:returns: response sent by the server
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:throws HTTPException: if the number of retries is exceeded
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"""
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last_err = HTTPException()
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while retries:
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try:
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return urllib.request.urlopen(request, timeout=3)
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except HTTPException as err:
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retries -= 1
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last_err = err
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raise last_err
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