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## Summary
This PR modifies our formatting of comments around the `.` in an
attribute. Specifically, the goal here is to avoid _reordering_
comments, and the net effect is that we generally leave comments
where-they-are when dealing with comments between around the dot (which
you can also think of as comments between attributes).
All comments around the dot are now treated as dangling and formatted
manually, with the exception of end-of-line or parenthesized comments on
the value, like those marked as trailing here, which remain trailing:
```python
(
(
a # trailing end-of-line
# trailing own-line
) # dangling before dot end-of-line
.b # trailing end-of-line
)
```
Closes https://github.com/astral-sh/ruff/issues/6823.
## Test Plan
`cargo test`
Before:
| project | similarity index |
|--------------|------------------|
| cpython | 0.76050 |
| django | 0.99820 |
| transformers | 0.99800 |
| twine | 0.99876 |
| typeshed | 0.99953 |
| warehouse | 0.99615 |
| zulip | 0.99729 |
After:
| project | similarity index |
|--------------|------------------|
| cpython | 0.76050 |
| django | 0.99820 |
| transformers | 0.99800 |
| twine | 0.99876 |
| typeshed | 0.99953 |
| warehouse | 0.99615 |
| zulip | 0.99729 |
|
||
|---|---|---|
| .. | ||
| flake8_to_ruff | ||
| ruff | ||
| ruff_benchmark | ||
| ruff_cache | ||
| ruff_cli | ||
| ruff_dev | ||
| ruff_diagnostics | ||
| ruff_formatter | ||
| ruff_index | ||
| ruff_macros | ||
| ruff_python_ast | ||
| ruff_python_codegen | ||
| ruff_python_formatter | ||
| ruff_python_index | ||
| ruff_python_literal | ||
| ruff_python_parser | ||
| ruff_python_resolver | ||
| ruff_python_semantic | ||
| ruff_python_stdlib | ||
| ruff_python_trivia | ||
| ruff_shrinking | ||
| ruff_source_file | ||
| ruff_text_size | ||
| ruff_wasm | ||