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ruff/crates
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Roman Kitaev df0648aae0
[flake8-blind-except] Fix BLE001 false-positive on raise ... from None (#19755) 
## Summary

- Refactored `BLE001` logic for clarity and minor speed-up.
- Improved documentation and comments (previously, `BLE001` docs claimed
it catches bare `except:`s, but it doesn't).
- Fixed a false-positive bug with `from None` cause:

```python
# somefile.py

try:
    pass
except BaseException as e:
    raise e from None
```

### main branch
```
somefile.py:3:8: BLE001 Do not catch blind exception: `BaseException`
  |
1 | try:
2 |     pass
3 | except BaseException as e:
  |        ^^^^^^^^^^^^^ BLE001
4 |     raise e from None
  |

Found 1 error.
```

### this change

```cargo run -p ruff -- check somefile.py --no-cache --select=BLE001```

```
All checks passed!
```

## Test Plan

- Added a test case to cover `raise X from Y` clause
- Added a test case to cover `raise X from None` clause
2025-08-13 13:01:47 -04:00
..
ruff Add rule code to GitLab description (#19896) 2025-08-13 11:19:26 -04:00
ruff_annotate_snippets Move full diagnostic rendering to ruff_db (#19415) 2025-08-08 12:56:23 -04:00
ruff_benchmark Don't cache files with diagnostics (#19869) 2025-08-12 15:28:44 -04:00
ruff_cache Switch to Rust 2024 edition (#18129) 2025-05-16 13:25:28 +02:00
ruff_db [ty] Track heap usage of salsa structs (#19790) 2025-08-12 13:28:44 +02:00
ruff_dev Update Rust toolchain to 1.89 (#19807) 2025-08-07 18:21:50 +02:00
ruff_diagnostics [ty] Implement diagnostic caching (#19605) 2025-07-30 11:04:34 +01:00
ruff_formatter Update Rust toolchain to 1.89 (#19807) 2025-08-07 18:21:50 +02:00
ruff_graph [ty] Remove KnownModule::is_enum (#19681) 2025-08-01 10:31:12 +02:00
ruff_index Update Rust toolchain to 1.88 and MSRV to 1.86 (#19011) 2025-06-28 20:24:00 +02:00
ruff_linter [flake8-blind-except] Fix BLE001 false-positive on raise ... from None (#19755) 2025-08-13 13:01:47 -04:00
ruff_macros Don't cache files with diagnostics (#19869) 2025-08-12 15:28:44 -04:00
ruff_memory_usage [ty] Track heap usage of salsa structs (#19790) 2025-08-12 13:28:44 +02:00
ruff_notebook Switch to Rust 2024 edition (#18129) 2025-05-16 13:25:28 +02:00
ruff_options_metadata Update Rust toolchain to 1.89 (#19807) 2025-08-07 18:21:50 +02:00
ruff_python_ast Update Rust toolchain to 1.89 (#19807) 2025-08-07 18:21:50 +02:00
ruff_python_ast_integration_tests Disallow implicit concatenation of t-strings and other string types (#19485) 2025-07-27 12:41:03 +00:00
ruff_python_codegen Update Rust toolchain to 1.89 (#19807) 2025-08-07 18:21:50 +02:00
ruff_python_formatter Update Rust toolchain to 1.89 (#19807) 2025-08-07 18:21:50 +02:00
ruff_python_index Switch to Rust 2024 edition (#18129) 2025-05-16 13:25:28 +02:00
ruff_python_literal Switch to Rust 2024 edition (#18129) 2025-05-16 13:25:28 +02:00
ruff_python_parser Update Rust toolchain to 1.89 (#19807) 2025-08-07 18:21:50 +02:00
ruff_python_semantic Update Rust toolchain to 1.89 (#19807) 2025-08-07 18:21:50 +02:00
ruff_python_stdlib Switch to Rust 2024 edition (#18129) 2025-05-16 13:25:28 +02:00
ruff_python_trivia Treat ty: comments as pragma comments (#18532) 2025-06-07 16:02:43 +02:00
ruff_python_trivia_integration_tests Switch to Rust 2024 edition (#18129) 2025-05-16 13:25:28 +02:00
ruff_server Update Rust toolchain to 1.89 (#19807) 2025-08-07 18:21:50 +02:00
ruff_source_file Update Rust toolchain to 1.89 (#19807) 2025-08-07 18:21:50 +02:00
ruff_text_size [ty] Fix a few more diagnostic differences from Ruff (#19806) 2025-08-08 11:31:19 -04:00
ruff_wasm Bump 0.12.8 (#19813) 2025-08-07 13:52:16 -05:00
ruff_workspace [flake8_import_conventions] Avoid false positives for NFKC-normalized __debug__ import aliases in ICN001 (#19411) 2025-08-06 06:42:51 +00:00
ty Update Rust toolchain to 1.89 (#19807) 2025-08-07 18:21:50 +02:00
ty_combine [ty] Support LSP client settings (#19614) 2025-08-06 18:37:21 +05:30
ty_ide [ty] resolve docstrings for modules (#19898) 2025-08-13 12:24:01 -04:00
ty_project [ty] Track heap usage of salsa structs (#19790) 2025-08-12 13:28:44 +02:00
ty_python_semantic [ty] resolve docstrings for modules (#19898) 2025-08-13 12:24:01 -04:00
ty_server [ty] render docstrings in hover (#19882) 2025-08-13 14:59:20 +00:00
ty_static Update Rust toolchain to 1.89 (#19807) 2025-08-07 18:21:50 +02:00
ty_test [ty] Implement stdlib stub mapping (#19529) 2025-08-08 15:52:15 -04:00
ty_vendored [ty] Improve debuggability of protocol types (#19662) 2025-08-01 15:16:13 +01:00
ty_wasm [ty] render docstrings in hover (#19882) 2025-08-13 14:59:20 +00:00