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New Python REPL double-prints completion suggestions #127073

@ucodery

Description

@ucodery

Bug report

Bug description:

If a keyboard interrupt is given while TAB autocomplete suggestions are being displayed, they are re-printed also below the last line, and continue to be re-printed as long as new keyboard interrupts are given.

after the keystrokes int.<TAB><TAB>

int.as_integer_ratio(  int.bit_length(        int.denominator        int.imag               int.mro()              int.real
int.bit_count(         int.conjugate(         int.from_bytes(        int.is_integer(        int.numerator          int.to_bytes(
>>> int.

then <CTRL-C>

int.as_integer_ratio(  int.bit_length(        int.denominator        int.imag               int.mro()              int.real
int.bit_count(         int.conjugate(         int.from_bytes(        int.is_integer(        int.numerator          int.to_bytes(
>>> int.
KeyboardInterrupt
int.as_integer_ratio(  int.bit_length(        int.denominator        int.imag               int.mro()              int.real
int.bit_count(         int.conjugate(         int.from_bytes(        int.is_integer(        int.numerator          int.to_bytes(
>>>

another <CTRL-C>

int.as_integer_ratio(  int.bit_length(        int.denominator        int.imag               int.mro()              int.real
int.bit_count(         int.conjugate(         int.from_bytes(        int.is_integer(        int.numerator          int.to_bytes(
>>> int.
KeyboardInterrupt
int.as_integer_ratio(  int.bit_length(        int.denominator        int.imag               int.mro()              int.real
int.bit_count(         int.conjugate(         int.from_bytes(        int.is_integer(        int.numerator          int.to_bytes(
>>>
KeyboardInterrupt
int.as_integer_ratio(  int.bit_length(        int.denominator        int.imag               int.mro()              int.real
int.bit_count(         int.conjugate(         int.from_bytes(        int.is_integer(        int.numerator          int.to_bytes(
>>>

<ENTER> makes the last set of printed suggestions disappear, as does typing any printing characters.

int.as_integer_ratio(  int.bit_length(        int.denominator        int.imag               int.mro()              int.real
int.bit_count(         int.conjugate(         int.from_bytes(        int.is_integer(        int.numerator          int.to_bytes(
>>> int.
KeyboardInterrupt
int.as_integer_ratio(  int.bit_length(        int.denominator        int.imag               int.mro()              int.real
int.bit_count(         int.conjugate(         int.from_bytes(        int.is_integer(        int.numerator          int.to_bytes(
>>>
KeyboardInterrupt
>>>
>>>

CPython versions tested on:

3.14

Operating systems tested on:

macOS

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    stdlibPython modules in the Lib dirtopic-replRelated to the interactive shelltype-bugAn unexpected behavior, bug, or error

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