[issue42175] long lines from interactive stdin are truncated

[Eryk Sun]

Eryk Sun <eryksun at gmail.com> added the comment:

For Windows see issue 41849. The legacy limit (i.e. PYTHONLEGACYWINDOWSSTDIO) for reading input via io.FileIO is 8K characters in Windows, but with io._WindowsConsoleIO, it's only 512 characters, which is far too small in general. The legacy implementation of input() based on C fgets() is capped at 4K characters in Windows, which is the same as a Linux terminal. The new implementation of input() in Windows (i.e. _PyOS_WindowsConsoleReadline) increases the limit to 16K characters. I'd like to see both cases increased to 32K characters, which is the length limit of a command line or file path in Windows.

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nosy: +eryksun

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue42175>
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