mirror of
https://github.com/astral-sh/ruff
synced 2026-01-21 21:40:51 -05:00
73d0461d55
The idiomatic way in Rust is to make invalid types unrepresentable instead of paranoidly calling a validate method everywhere.
68 lines
2.2 KiB
Rust
68 lines
2.2 KiB
Rust
use std::path::Path;
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use anyhow::Result;
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use path_absolutize::path_dedot;
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use rustpython_parser::lexer::LexResult;
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use crate::linter::check_path;
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use crate::registry::Diagnostic;
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use crate::resolver::Relativity;
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use crate::rustpython_helpers::tokenize;
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use crate::settings::configuration::Configuration;
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use crate::settings::{flags, pyproject, Settings};
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use crate::source_code::{Indexer, Locator, Stylist};
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use crate::{directives, packaging, resolver};
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/// Load the relevant `Settings` for a given `Path`.
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fn resolve(path: &Path) -> Result<Settings> {
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if let Some(pyproject) = pyproject::find_settings_toml(path)? {
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// First priority: `pyproject.toml` in the current `Path`.
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Ok(resolver::resolve_settings(&pyproject, &Relativity::Parent)?.lib)
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} else if let Some(pyproject) = pyproject::find_user_settings_toml() {
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// Second priority: user-specific `pyproject.toml`.
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Ok(resolver::resolve_settings(&pyproject, &Relativity::Cwd)?.lib)
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} else {
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// Fallback: default settings.
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Settings::from_configuration(Configuration::default(), &path_dedot::CWD)
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}
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}
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/// Run Ruff over Python source code directly.
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pub fn check(path: &Path, contents: &str, autofix: bool) -> Result<Vec<Diagnostic>> {
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// Load the relevant `Settings` for the given `Path`.
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let settings = resolve(path)?;
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// Tokenize once.
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let tokens: Vec<LexResult> = tokenize(contents);
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// Map row and column locations to byte slices (lazily).
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let locator = Locator::new(contents);
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// Detect the current code style (lazily).
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let stylist = Stylist::from_contents(contents, &locator);
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// Extra indices from the code.
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let indexer: Indexer = tokens.as_slice().into();
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// Extract the `# noqa` and `# isort: skip` directives from the source.
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let directives =
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directives::extract_directives(&tokens, directives::Flags::from_settings(&settings));
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// Generate diagnostics.
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let diagnostics = check_path(
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path,
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packaging::detect_package_root(path, &settings.namespace_packages),
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contents,
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tokens,
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&locator,
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&stylist,
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&indexer,
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&directives,
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&settings,
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autofix.into(),
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flags::Noqa::Enabled,
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)?;
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Ok(diagnostics)
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}
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