mirror of https://github.com/astral-sh/ruff
109 lines
3.1 KiB
Rust
109 lines
3.1 KiB
Rust
use anyhow::{Context, Result};
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use std::sync::Arc;
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use zip::CompressionMethod;
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use ruff_db::Db as SourceDb;
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use ruff_db::files::{File, Files};
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use ruff_db::system::{OsSystem, System, SystemPathBuf};
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use ruff_db::vendored::{VendoredFileSystem, VendoredFileSystemBuilder};
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use ruff_python_ast::PythonVersion;
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use ty_python_semantic::lint::{LintRegistry, RuleSelection};
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use ty_python_semantic::{
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Db, Program, ProgramSettings, PythonEnvironment, PythonPlatform, PythonVersionSource,
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PythonVersionWithSource, SearchPathSettings, SysPrefixPathOrigin, default_lint_registry,
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};
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static EMPTY_VENDORED: std::sync::LazyLock<VendoredFileSystem> = std::sync::LazyLock::new(|| {
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let mut builder = VendoredFileSystemBuilder::new(CompressionMethod::Stored);
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builder.add_file("stdlib/VERSIONS", "\n").unwrap();
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builder.finish().unwrap()
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});
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#[salsa::db]
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#[derive(Default, Clone)]
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pub struct ModuleDb {
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storage: salsa::Storage<Self>,
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files: Files,
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system: OsSystem,
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rule_selection: Arc<RuleSelection>,
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}
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impl ModuleDb {
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/// Initialize a [`ModuleDb`] from the given source root.
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pub fn from_src_roots(
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src_roots: Vec<SystemPathBuf>,
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python_version: PythonVersion,
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venv_path: Option<SystemPathBuf>,
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) -> Result<Self> {
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let db = Self::default();
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let mut search_paths = SearchPathSettings::new(src_roots);
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// TODO: Consider calling `PythonEnvironment::discover` if the `venv_path` is not provided.
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if let Some(venv_path) = venv_path {
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let environment =
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PythonEnvironment::new(venv_path, SysPrefixPathOrigin::PythonCliFlag, db.system())?;
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search_paths.site_packages_paths = environment
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.site_packages_paths(db.system())
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.context("Failed to discover the site-packages directory")?
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.into_vec();
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}
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let search_paths = search_paths
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.to_search_paths(db.system(), db.vendored())
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.context("Invalid search path settings")?;
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Program::from_settings(
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&db,
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ProgramSettings {
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python_version: PythonVersionWithSource {
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version: python_version,
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source: PythonVersionSource::default(),
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},
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python_platform: PythonPlatform::default(),
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search_paths,
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},
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);
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Ok(db)
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}
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}
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#[salsa::db]
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impl SourceDb for ModuleDb {
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fn vendored(&self) -> &VendoredFileSystem {
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&EMPTY_VENDORED
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}
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fn system(&self) -> &dyn System {
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&self.system
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}
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fn files(&self) -> &Files {
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&self.files
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}
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fn python_version(&self) -> PythonVersion {
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Program::get(self).python_version(self)
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}
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}
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#[salsa::db]
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impl Db for ModuleDb {
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fn should_check_file(&self, file: File) -> bool {
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!file.path(self).is_vendored_path()
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}
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fn rule_selection(&self, _file: File) -> &RuleSelection {
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&self.rule_selection
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}
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fn lint_registry(&self) -> &LintRegistry {
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default_lint_registry()
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}
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fn verbose(&self) -> bool {
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false
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}
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}
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#[salsa::db]
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impl salsa::Database for ModuleDb {}
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