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9 commits

Author SHA1 Message Date
Dan Parizher
46decd4feb
[pyupgrade] Fix UP008 to not apply when __class__ is a local variable (UP008) (#20497)
## Summary

Fixes #20491
2025-09-23 10:56:39 -04:00
Dan Parizher
91995aa516
[pyupgrade] Fix false positive when class name is shadowed by local variable (UP008) (#20427)
## Summary

Fixes #20422

---------

Co-authored-by: Brent Westbrook <36778786+ntBre@users.noreply.github.com>
2025-09-18 14:05:05 +00:00
Igor Drokin
54df73c9f7
[pyupgrade] Apply UP008 only when the __class__ cell exists (#19424)
## Summary

Resolves #19357 

Skip UP008 diagnostic for `builtins.super(P, self)` calls when
`__class__` is not referenced locally, preventing incorrect fixes.

**Note:** I haven't found concrete information about which cases
`__class__` will be loaded into the scope. Let me know if anyone has
references, it would be useful to enhance the implementation. I did a
lot of tests to determine when `__class__` is loaded. Considered
sources:
1. [Python doc
super](https://docs.python.org/3/library/functions.html#super)
2. [Python doc classes](https://docs.python.org/3/tutorial/classes.html)
3. [pep-3135](https://peps.python.org/pep-3135/#specification)

As I understand it, Python will inject at runtime into local scope a
`__class__` variable if it detects references to `super` or `__class__`.
This allows calling `super()` and passing appropriate parameters.
However, the compiler doesn't do the same for `builtins.super`, so we
need to somehow introduce `__class__` into the local scope.

I figured out `__class__` will be in scope with valid value when two
conditions are met:
1. `super` or `__class__` names have been loaded within function scope
4. `__class__` is not overridden.

I think my solution isn't elegant, so I would be appreciate a detailed
review.

## Test Plan

Added 19 test cases, updated snapshots.

---------

Co-authored-by: Igor Drokin <drokinii1017@gmail.com>
2025-09-09 14:59:23 -04:00
Dan Parizher
221edcba5c
[pyupgrade] Keyword arguments in super should suppress the UP008 fix (#19131)
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## Summary

Fixes #19096
2025-07-09 15:13:22 -04:00
Robsdedude
a3638b3adc
[pyupgrade] Mark UP008 fix safe if no comments in range (#18683)
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## Summary
Mark `UP008`'s fix safe if it won't delete comments.

## Relevant Issues
Fixes: https://github.com/astral-sh/ruff/issues/18533

---------

Co-authored-by: Brent Westbrook <36778786+ntBre@users.noreply.github.com>
2025-06-30 09:42:05 -04:00
Victor Hugo Gomes
cff5adf324
[pyupgrade] Suppress UP008 diagnostic if super symbol is not builtin (#18688)
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## Summary

Fixes #18684
<!-- What's the purpose of the change? What does it do, and why? -->

## Test Plan

Add regression test
<!-- How was it tested? -->
2025-06-16 15:09:31 -04:00
chiri
dbb0d60caa
[pyupgrade] Fix super(__class__, self) detection in UP008 (super-call-with-parameters) (#18478) 2025-06-12 08:52:45 +02:00
Charlie Marsh
998bfe0847
Avoid recommending no-argument super in slots=True dataclasses (#12530)
## Summary

Closes https://github.com/astral-sh/ruff/issues/12506.
2024-07-26 10:09:51 -04:00
Charlie Marsh
5849a75223
Rename ruff crate to ruff_linter (#7529) 2023-09-20 08:38:27 +02:00
Renamed from crates/ruff/resources/test/fixtures/pyupgrade/UP008.py (Browse further)