[ty] Add a note to the diagnostic if a new builtin is used on an old Python version #18068
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AlexWaygood
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May 13, 2025
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all the line numbers here changed because I added an import to the top of diagnostic.rs...
MichaReiser
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May 13, 2025
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| // TODO: can we tell the user *why* we're inferring this target version? | ||
| // CLI flag? pyproject.toml? Python environment? | ||
| diagnostic.info(format_args!( | ||
| "The inferred target version of your project is Python {}", | ||
| Program::get(context.db()).python_version(context.db()) | ||
| )); |
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This shouldn't be too hard. We have the information if it comes from the CLI or configuration but we throw it away when converting it to a ProgramSettings.
carljm
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May 13, 2025
| // TODO: can we tell the user *why* we're inferring this target version? | ||
| // CLI flag? pyproject.toml? Python environment? | ||
| diagnostic.info(format_args!( | ||
| "The inferred target version of your project is Python {}", |
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It seems a bit odd to call it the "inferred" Python version if it came from eg a CLI flag. But I guess this is part of the TODO above?
dcreager
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May 13, 2025
…eep-dish * origin/main: [ty] __file__ is always a string inside a Python module (#18071) [ty] Recognize submodules in self-referential imports (#18005) [ty] Add a note to the diagnostic if a new builtin is used on an old Python version (#18068) [ty] Add tests for `else` branches of `hasattr()` narrowing (#18067) [ty] Improve diagnostics for `assert_type` and `assert_never` (#18050) [ty] contribution guide (#18061) [ty] Implement `DataClassInstance` protocol for dataclasses. (#18018) [ruff_python_ast] Fix redundant visitation of test expressions in elif clause statements (#18064)
Glyphack
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May 21, 2025
…Python version (astral-sh#18068) ## Summary If the user tries to use a new builtin on an old Python version, tell them what Python version the builtin was added on, what our inferred Python version is for their project, and what configuration settings they can tweak to fix the error. ## Test Plan Snapshots and screenshots: 
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Summary
If the user tries to use a new builtin on an old Python version, tell them what Python version the builtin was added on, what our inferred Python version is for their project, and what configuration settings they can tweak to fix the error.
Test Plan
Snapshots and screenshots: