8000 `-X showrefcount` doesn't do per-statement reports in new REPL · Issue #134097 · python/cpython · GitHub
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-X showrefcount doesn't do per-statement reports in new REPL #134097

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encukou opened this issue May 16, 2025 · 2 comments
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-X showrefcount doesn't do per-statement reports in new REPL #134097

encukou opened this issue May 16, 2025 · 2 comments
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@Eclips4
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3.13 bugs and security fixes 3.14 bugs and security fixes 3.15 new features, bugs and security fixes stdlib Python modules in the Lib dir topic-repl Related to the interactive shell type-bug An unexpected behavior, bug, or error

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@encukou
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encukou commented May 16, 2025 •
edited by bedevere-app bot
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Bug report

Bug description:

-X showrefcount should “output the total reference count and number of used memory blocks [...] after each statement in the interactive interpreter. This only works on debug builds.”

This works with PYTHON_BASIC_REPL=1, but with the new REPL the totals are only shown at exit.

CPython versions tested on:

3.13, 3.14, CPython main branch

Operating systems tested on:

Linux

Linked PRs
@encukou encukou added type-bug An unexpected behavior, bug, or error topic-repl Related to the interactive shell labels May 16, 2025
@picnixz picnixz added the stdlib Python modules in the Lib dir label May 16, 2025
@Eclips4
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Eclips4 commented May 16, 2025

Hi Petr, are you working on this? Happy to take it if you're busy! :)

@Eclips4 Eclips4 added 3.13 bugs and security fixes 3.14 bugs and security fixes 3.15 new features, bugs and security fixes stdlib Python modules in the Lib dir and removed stdlib Python modules in the Lib dir labels May 16, 2025
@encukou
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encukou commented May 16, 2025 via email

@Eclips4 Eclips4 self-assigned this May 16, 2025
@bedevere-app bedevere-app bot mentioned this issue May 17, 2025
Merged
ambv added a commit that referenced this issue May 19, 2025
@Eclips4 @ambv
gh-134097: Print number of refs & blocks after each statement in new …
c31547a 
…REPL (gh-134136)

Co-authored-by: Łukasz Langa <lukasz@langa.pl>
miss-islington pushed a commit to miss-islington/cpython that referenced this issue May 19, 2025
@Eclips4 @ambv @miss-islington 8000
pythongh-134097: Print number of refs & blocks after each statement i…
03cc8a8 
…n new REPL (pythongh-134136)

(cherry picked from commit c31547a)

Co-authored-by: Kirill Podoprigora <kirill.bast9@mail.ru>
Co-authored-by: Łukasz Langa <lukasz@langa.pl>
@bedevere-app bedevere-app bot mentioned this issue May 19, 2025
Merged
miss-islington pushed a commit to miss-islington/cpython that referenced this issue May 19, 2025
@Eclips4 @ambv @miss-islington
pythongh-134097: Print number of refs & blocks after each statement i…
3d35bc7 
…n new REPL (pythongh-134136)

(cherry picked from commit c31547a)

Co-authored-by: Kirill Podoprigora <kirill.bast9@mail.ru>
Co-authored-by: Łukasz Langa <lukasz@langa.pl>
@bedevere-app bedevere-app bot mentioned this issue May 19, 2025
Merged
ambv added a commit that referenced this issue May 19, 2025
@miss-islington @Eclips4 @ambv
[3.13] gh-134097: Print number of refs & blocks after each statement …
08c9ba5 
…in new REPL (gh-134136) (gh-134221)

(cherry picked from commit c31547a)

Co-authored-by: Kirill Podoprigora <kirill.bast9@mail.ru>
Co-authored-by: Łukasz Langa <lukasz@langa.pl>
ambv added a commit that referenced this issue May 19, 2025
@miss-islington @Eclips4 @ambv
[3.14] gh-134097: Print number of refs & blocks after each statement …
182464e 
…in new REPL (gh-134136) (gh-134220)

(cherry picked from commit c31547a)

Co-authored-by: Kirill Podoprigora <kirill.bast9@mail.ru>
Co-authored-by: Łukasz Langa <lukasz@langa.pl>
@ambv ambv closed this as completed May 19, 2025
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3.13 bugs and security fixes 3.14 bugs and security fixes 3.15 new features, bugs and security fixes stdlib Python modules in the Lib dir topic-repl Related to the interactive shell type-bug An unexpected behavior, bug, or error
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