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Fix formatting for if clauses in match-case blocks #4269

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merged 8 commits into from
Mar 16, 2024

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@rdrll rdrll commented Mar 9, 2024

Description

Fixes #3793.

Now the if clauses in the case-match blocks will be correctly wrapped with parenthesis.

The previous problem of having redundant parentheses being added to case statement when it's accompanied by an if clause that was too long, like the example mentioned in #3793 discussion, is also resolved.

Checklist - did you ...

  • Add an entry in CHANGES.md if necessary?
  • Add / update tests if necessary?
  • Add new / update outdated documentation?

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github-actions bot commented Mar 9, 2024

diff-shades reports zero changes comparing this PR (c87416a) to main (8332a75).


What is this? | Workflow run | diff-shades documentation

@JelleZijlstra JelleZijlstra self-requested a review March 9, 2024 02:49
@rdrll rdrll requested a review from JelleZijlstra March 12, 2024 07:52
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Thanks!

@rdrll rdrll requested a review from JelleZijlstra March 16, 2024 06:19
@JelleZijlstra JelleZijlstra merged commit f78b157 into psf:main Mar 16, 2024
46 checks passed
@rdrll rdrll deleted the pattern_matching_with_long_if_stmt_fix branch January 3, 2025 01:28
luketainton pushed a commit to luketainton/PwnedPW that referenced this pull request Feb 10, 2025
This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [black](https://github.com/psf/black) ([changelog](https://github.com/psf/black/blob/main/CHANGES.md)) | dependency-groups | major | `<25.0.0,>=24.10.0` -> `<25.2.0,>=25.1.0` |

---

### Release Notes

<details>
<summary>psf/black (black)</summary>

### [`v25.1.0`](https://github.com/psf/black/blob/HEAD/CHANGES.md#2510)

[Compare Source](psf/black@24.10.0...25.1.0)

##### Highlights

This release introduces the new 2025 stable style ([#&#8203;4558](psf/black#4558)), stabilizing
the following changes:

-   Normalize casing of Unicode escape characters in strings to lowercase ([#&#8203;2916](psf/black#2916))
-   Fix inconsistencies in whether certain strings are detected as docstrings ([#&#8203;4095](psf/black#4095))
-   Consistently add trailing commas to typed function parameters ([#&#8203;4164](psf/black#4164))
-   Remove redundant parentheses in if guards for case blocks ([#&#8203;4214](psf/black#4214))
-   Add parentheses to if clauses in case blocks when the line is too long ([#&#8203;4269](psf/black#4269))
-   Whitespace before `# fmt: skip` comments is no longer normalized ([#&#8203;4146](psf/black#4146))
-   Fix line length computation for certain expressions that involve the power operator ([#&#8203;4154](psf/black#4154))
-   Check if there is a newline before the terminating quotes of a docstring ([#&#8203;4185](psf/black#4185))
-   Fix type annotation spacing between `*` and more complex type variable tuple ([#&#8203;4440](psf/black#4440))

The following changes were not in any previous release:

-   Remove parentheses around sole list items ([#&#8203;4312](psf/black#4312))
-   Generic function definitions are now formatted more elegantly: parameters are
    split over multiple lines first instead of type parameter definitions ([#&#8203;4553](psf/black#4553))

##### Stable style

-   Fix formatting cells in IPython notebooks with magic methods and starting or trailing
    empty lines ([#&#8203;4484](psf/black#4484))
-   Fix crash when formatting `with` statements containing tuple generators/unpacking
    ([#&#8203;4538](psf/black#4538))

##### Preview style

-   Fix/remove string merging changing f-string quotes on f-strings with internal quotes
    ([#&#8203;4498](psf/black#4498))
-   Collapse multiple empty lines after an import into one ([#&#8203;4489](psf/black#4489))
-   Prevent `string_processing` and `wrap_long_dict_values_in_parens` from removing
    parentheses around long dictionary values ([#&#8203;4377](psf/black#4377))
-   Move `wrap_long_dict_values_in_parens` from the unstable to preview style ([#&#8203;4561](psf/black#4561))

##### Packaging

-   Store license identifier inside the `License-Expression` metadata field, see
    [PEP 639](https://peps.python.org/pep-0639/). ([#&#8203;4479](psf/black#4479))

##### Performance

-   Speed up the `is_fstring_start` function in Black's tokenizer ([#&#8203;4541](psf/black#4541))

##### Integrations

-   If using stdin with `--stdin-filename` set to a force excluded path, stdin won't be
    formatted. ([#&#8203;4539](psf/black#4539))

</details>

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

♻ **Rebasing**: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update again.

---

 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box

---

This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzOS4xNjQuMSIsInVwZGF0ZWRJblZlciI6IjM5LjE2NC4xIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6WyJsaW50aW5nIl19-->

Reviewed-on: https://git.tainton.uk/repos/PwnedPW/pulls/283
Reviewed-by: Luke Tainton <[email protected]>
Co-authored-by: Renovate [BOT] <[email protected]>
Co-committed-by: Renovate [BOT] <[email protected]>
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if clauses in match-case blocks aren't reformatted to fit the line width limit
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