[pyflakes] Improve error message for UndefinedName when a builtin was added in a newer version than specified in Ruff config (F821)#13293
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AlexWaygood merged 3 commits intomainfrom Sep 10, 2024
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AlexWaygood
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Sep 9, 2024
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| "Undefined name `{name}`. \ | ||
| Added as a builtin in Python 3.{minor_version_builtin_added}; \ | ||
| consider specifying a newer `target-version` in your Ruff config." |
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This feels quite verbose but I'm not sure how to make it any shorter :/
pyflakes] Improve error message for UndefinedName when a builtin was added in a newer version than specified in Ruff config (F821))pyflakes] Improve error message for UndefinedName when a builtin was added in a newer version than specified in Ruff config (F821)
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CodSpeed Performance ReportMerging #13293 will not alter performanceComparing Summary
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Seems spurious to me |
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| code | total | + violation | - violation | + fix | - fix |
|---|---|---|---|---|---|
| F821 | 2 | 1 | 1 | 0 | 0 |
Linter (preview)
ℹ️ ecosystem check detected linter changes. (+1 -1 violations, +0 -0 fixes in 1 projects; 53 projects unchanged)
pytest-dev/pytest (+1 -1 violations, +0 -0 fixes)
ruff check --no-cache --exit-zero --ignore RUF9 --output-format concise --preview
- testing/_py/test_local.py:22:45: F821 Undefined name `EncodingWarning` + testing/_py/test_local.py:22:45: F821 Undefined name `EncodingWarning`. Consider specifying `requires-python = ">= 3.10"` or `tool.ruff.target-version = "py310"` in your `pyproject.toml` file.
Changes by rule (1 rules affected)
| code | total | + violation | - violation | + fix | - fix |
|---|---|---|---|---|---|
| F821 | 2 | 1 | 1 | 0 | 0 |
… was added in a newer version than specified in Ruff config
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AlexWaygood
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Sep 9, 2024
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| let tip = minor_version_builtin_added.map(|version_added| { | ||
| format!( | ||
| "Added as a builtin in Python 3.{version_added}; \ | ||
| consider specifying a newer `target-version` in your Ruff config." | ||
| ) | ||
| }); | ||
|
|
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| if let Some(tip) = tip { | ||
| format!("Undefined name `{name}`. {tip}") | ||
| } else { | ||
| format!("Undefined name `{name}`") | ||
| } | ||
| } |
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This could be done as a single if-let, but we get nicer docs if we split it up like this (the generated summary message in the table is very long otherwise):
MichaReiser
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Sep 9, 2024
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I'm probably too jetlag to understand the new function you added but maybe you can explain.
MichaReiser
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Sep 10, 2024
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Summary
Fixes #13287.
This adds a new function to
ruff_python_stdlib::builtinsthat allows us to query if a symbol is a Python builtin that was added in a later version than the one that was specified in a user's Ruff configuration. This function allows us to provide a better error message if a builtin such asaiter,anextetc. is used, but the user either specified a lowtarget-versionin their Ruff configuration or didn't specify atarget-versionat all (which leads us to infer the default, currentlypy38).Test Plan
cargo test -p ruff_linter --lib