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Summary -- Closes #19467 and also removes the warning about using Python 3.14 without preview enabled. I also bumped `PythonVersion::default` to 3.9 because it reaches EOL this month, but we could also defer that for now if we wanted. The first three commits are related to the `latest` bump to 3.14; the fourth commit bumps the default to 3.10. Note that this PR also bumps the default Python version for ty to 3.10 because there was a test asserting that it stays in sync with `ast::PythonVersion`. Test Plan -- Existing tests I spot-checked the ecosystem report, and I believe these are all expected. Inbits doesn't specify a target Python version, so I guess we're applying the default. UP007, UP035, and UP045 all use the new default value to emit new diagnostics. |
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CONTRIBUTING.md | ||
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README.md |
Ruff Formatter
The Ruff formatter is an extremely fast Python code formatter that ships as part of the ruff
CLI.
Goals
The formatter is designed to be a drop-in replacement for Black, but with an excessive focus on performance and direct integration with Ruff.
Specifically, the formatter is intended to emit near-identical output when run over Black-formatted code. When run over extensive Black-formatted projects like Django and Zulip, > 99.9% of lines are formatted identically. When migrating an existing project from Black to Ruff, you should expect to see a few differences on the margins, but the vast majority of your code should be unchanged.
If you identify deviations in your project, spot-check them against the intentional deviations enumerated below, as well as the unintentional deviations filed in the issue tracker. If you've identified a new deviation, please file an issue.
When run over non-Black-formatted code, the formatter makes some different decisions than Black, and so more deviations should be expected, especially around the treatment of end-of-line comments. For details, see Style Guide.
Getting started
Head to The Ruff Formatter for usage instructions and a comparison to Black.