[New-bugs-announce] [issue39724] IDLE threading + stdout/stdin observed blocking behavior
report at bugs.python.org
Sat Feb 22 05:29:37 EST 2020
New submission from John Smith <js5136317 at gmail.com>:
preamble: I am aware that I am not the first to encounter this issue but neither I could identify a preexisting ticket which fully matches nor is the commonly recommended "solution" (stay away from IDLE) satisfying.
environment: win10, python 3.7 (tested with 32 and 64 bit version)
description: If the attached script is started from IDLE the "alive" only shows up once for every input, while the script output "alive" frequently if ran from the terminal with python. So there is a discrepancy between the behavior of IDLE and "plain" python, which can lead to serious "irritations". If the print is replaced with logging.info and the logging is setup to write into a file everything works as expected and equal in both environments.
thoughts: the input call seems to block access to stdout(?) in "IDLE mode". I noticed that there are several topics/post regarding IDLE's stdout/in behavior but I was unabled to find a (convinient) solution besides "just quit using IDLE". It feels strange that the editor bundled with python has such a reputation and features such a deviation in behavior from "plain" python.
nosy: John Smith, terry.reedy
title: IDLE threading + stdout/stdin observed blocking behavior
versions: Python 3.7
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