[perflint] Allow list function calls to be replaced with a comprehension (PERF401)
#17519
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| code | total | + violation | - violation | + fix | - fix |
|---|---|---|---|---|---|
| PERF401 | 14 | 7 | 7 | 0 | 0 |
Linter (preview)
ℹ️ ecosystem check detected linter changes. (+7 -7 violations, +0 -0 fixes in 1 projects; 54 projects unchanged)
apache/superset (+7 -7 violations, +0 -0 fixes)
ruff check --no-cache --exit-zero --ignore RUF9 --no-fix --output-format concise --preview --select ALL
- tests/integration_tests/charts/api_tests.py:350:13: PERF401 Use `list.extend` to create a transformed list + tests/integration_tests/charts/api_tests.py:350:13: PERF401 Use a list comprehension to create a transformed list - tests/integration_tests/charts/api_tests.py:464:13: PERF401 Use `list.extend` to create a transformed list + tests/integration_tests/charts/api_tests.py:464:13: PERF401 Use a list comprehension to create a transformed list - tests/integration_tests/charts/api_tests.py:515:13: PERF401 Use `list.extend` to create a transformed list + tests/integration_tests/charts/api_tests.py:515:13: PERF401 Use a list comprehension to create a transformed list - tests/integration_tests/dashboards/api_tests.py:1280:13: PERF401 Use `list.extend` to create a transformed list + tests/integration_tests/dashboards/api_tests.py:1280:13: PERF401 Use a list comprehension to create a transformed list - tests/integration_tests/dashboards/api_tests.py:1307:13: PERF401 Use `list.extend` to create a transformed list + tests/integration_tests/dashboards/api_tests.py:1307:13: PERF401 Use a list comprehension to create a transformed list - tests/integration_tests/dashboards/api_tests.py:1441:13: PERF401 Use `list.extend` to create a transformed list + tests/integration_tests/dashboards/api_tests.py:1441:13: PERF401 Use a list comprehension to create a transformed list - tests/integration_tests/dashboards/api_tests.py:1506:13: PERF401 Use `list.extend` to create a transformed list + tests/integration_tests/dashboards/api_tests.py:1506:13: PERF401 Use a list comprehension to create a transformed list
Changes by rule (1 rules affected)
| code | total | + violation | - violation | + fix | - fix |
|---|---|---|---|---|---|
| PERF401 | 14 | 7 | 7 | 0 | 0 |
ntBre
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Apr 21, 2025
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Thanks for the follow-up and for the test cases! I don't think this needs to be in preview, as it's just a straightforward extension of the [] case to list().
dcreager
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Apr 22, 2025
* main: (37 commits) [red-knot] Add list of failing/slow ecosystem projects (#17474) [red-knot] mypy_primer: extend ecosystem checks (#17544) [red-knot] Move `InstanceType` to its own submodule (#17525) [red-knot] mypy_primer: capture backtraces (#17543) [red-knot] mypy_primer: Use upstream repo (#17500) [red-knot] `typing.dataclass_transform` (#17445) Update dependency react-resizable-panels to v2.1.8 (#17513) Update dependency smol-toml to v1.3.3 (#17505) Update dependency uuid to v11.1.0 (#17517) Update actions/setup-node action to v4.4.0 (#17514) [red-knot] Fix variable name (#17532) [red-knot] Add basic subtyping between class literal and callable (#17469) [`pyupgrade`] Add fix safety section to docs (`UP030`) (#17443) [`perflint`] Allow list function calls to be replaced with a comprehension (`PERF401`) (#17519) Update pre-commit dependencies (#17506) [red-knot] Simplify visibility constraint handling for `*`-import definitions (#17486) [red-knot] Detect (some) invalid protocols (#17488) [red-knot] Correctly identify protocol classes (#17487) Update dependency ruff to v0.11.6 (#17516) Update Rust crate shellexpand to v3.1.1 (#17512) ...
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This is an implementation of the discussion from #16719.
This change will allow list function calls to be replaced with comprehensions:
I added a new test to
PERF401.pyto verify that this fix will now work forlist().