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bpo-35928: io.TextIOWrapper drops the internal buffer during write() #22535

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bpo-35928: io.TextIOWrapper drops the internal buffer during write() #22535

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ZackerySpytz
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@ZackerySpytz ZackerySpytz commented Oct 4, 2020 •
edited by bedevere-bot

io.TextIOWrapper was dropping the internal decoding buffer
during read() and write() calls.

https://bugs.python.org/issue35928

@ZackerySpytz
bpo-35928: io.TextIOWrapper drops the internal buffer during write()
3845b41 
io.TextIOWrapper was dropping the internal decoding buffer
during read() and write() calls.
@MaxwellDupre
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MaxwellDupre commented May 21, 2022

Trying 127.0.0.1...
Connected to 127.0.0.1.
Escape character is '^]'.
Hello\nYou\n
Hello\nYou\n

Works for me on 3.9.9, 3.10.4 and 3.12.0a0 (just what I have installed).
Hence it looks like its fixed but I don't know how far back this goes.
Also, I note that _pyio.py has changed extensively but textio.c has not; so not sure if the changes there are applicable. The trail is here

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@ZackerySpytz @MaxwellDupre @the-knights-who-say-ni @ezio-melotti @bedevere-bot