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bpo-45328: Avoid failure in OSs without TCP_NODELAY support (GH-28646)

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Operating systems without support for TCP_NODELAY will raise an OSError
when trying to set the socket option, but the show can still go on.
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rtobar 2021-10-07 01:49:44 +08:00 • committed by GitHub
parent 470145f572
commit 0571b934f5
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2 changed files with 8 additions and 1 deletions
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8
Lib/http/client.py
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@ -70,6 +70,7 @@ Req-sent-unread-response _CS_REQ_SENT <response_class>
import email.parser
import email.message
import errno
import http
import io
import re
@ -939,7 +940,12 @@ class HTTPConnection:
sys.audit("http.client.connect", self, self.host, self.port)
self.sock = self._create_connection(
(self.host,self.port), self.timeout, self.source_address)
self.sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
# Might fail in OSs that don't implement TCP_NODELAY
try:
self.sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
except OSError as e:
if e.errno != errno.ENOPROTOOPT:
raise
if self._tunnel_host:
self._tunnel()