New submission from George King <[email protected]>:
Using macOS 11.6 Terminal.app with Python 3.10.0 installed directly from
python.org.
I open the REPL. If I enter `char(0xff)` I get back 'ÿ' as expected (U00FF
LATIN SMALL LETTER Y WITH DIAERESIS).
However, If I copy this character with surrounding quotes, and then paste it
into the REPL, it pastes as '' and evaluates to the empty string.
If I copy it without quotes and then paste into the REPL, I see nothing. When I
hit return, the prompt renders as `>>> ^M>>>`. This suggests that the character
is getting misinterpreted as a control character or something.
If I paste it into the terminal shell when the Python REPL is not running, it
appears as the latin1 letter that I expect.
If I run `python3 -c 'print("ÿ")'` the character prints fine.
It seems to me that the python REPL is setting some terminal mode that fails on
this particular character. Perhaps this is a problem with the macOS
readline/libedit implementation?
It seems that only U00FF is problematic; U00FE and U01000 both paste in just
fine.
I verified that my terminal profile is set to UTF-8 encoding. I also repeated
this experiment in the Kitty terminal emulator, and got identical results.
Here is the readline version:
>>> readline._READLINE_LIBRARY_VERSION
'EditLine wrapper'
>>> readline._READLINE_RUNTIME_VERSION
1026
>>> readline._READLINE_VERSION
1026
----------
messages: 407065
nosy: gwk
priority: normal
severity: normal
status: open
title: Pasting the U00FF character into Python REPL misinterprets character
type: behavior
versions: Python 3.10
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Python tracker <[email protected]>
<https://bugs.python.org/issue45904>
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