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bpo-40968: Send http/1.1 ALPN extension (#20959)

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Signed-off-by: Christian Heimes <christian@python.org>
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Christian Heimes 2020-11-13 16:37:52 +01:00 • committed by GitHub
parent 09490a109f
commit f97406be4c
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5 changed files with 17 additions and 0 deletions
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Lib/urllib/request.py
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@ -202,6 +202,8 @@ def urlopen(url, data=None, timeout=socket._GLOBAL_DEFAULT_TIMEOUT,
context = ssl.create_default_context(ssl.Purpose.SERVER_AUTH,
cafile=cafile,
capath=capath)
# send ALPN extension to indicate HTTP/1.1 protocol
context.set_alpn_protocols(['http/1.1'])
https_handler = HTTPSHandler(context=context)
opener = build_opener(https_handler)
elif context: