mirror of https://github.com/astral-sh/uv
64 lines
2.2 KiB
Rust
64 lines
2.2 KiB
Rust
use rustc_hash::FxHashSet;
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use uv_normalize::PackageName;
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use crate::{DependencyMode, Manifest, ResolverMarkers};
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#[derive(Debug, Default, Clone, Copy, PartialEq, Eq, serde::Deserialize, serde::Serialize)]
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#[serde(deny_unknown_fields, rename_all = "kebab-case")]
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#[cfg_attr(feature = "clap", derive(clap::ValueEnum))]
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#[cfg_attr(feature = "schemars", derive(schemars::JsonSchema))]
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pub enum ResolutionMode {
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/// Resolve the highest compatible version of each package.
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#[default]
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Highest,
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/// Resolve the lowest compatible version of each package.
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Lowest,
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/// Resolve the lowest compatible version of any direct dependencies, and the highest
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/// compatible version of any transitive dependencies.
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LowestDirect,
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}
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impl std::fmt::Display for ResolutionMode {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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match self {
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Self::Highest => write!(f, "highest"),
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Self::Lowest => write!(f, "lowest"),
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Self::LowestDirect => write!(f, "lowest-direct"),
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}
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}
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}
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/// Like [`ResolutionMode`], but with any additional information required to select a candidate,
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/// like the set of direct dependencies.
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#[derive(Debug, Clone)]
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pub(crate) enum ResolutionStrategy {
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/// Resolve the highest compatible version of each package.
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Highest,
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/// Resolve the lowest compatible version of each package.
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Lowest,
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/// Resolve the lowest compatible version of any direct dependencies, and the highest
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/// compatible version of any transitive dependencies.
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LowestDirect(FxHashSet<PackageName>),
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}
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impl ResolutionStrategy {
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pub(crate) fn from_mode(
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mode: ResolutionMode,
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manifest: &Manifest,
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markers: &ResolverMarkers,
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dependencies: DependencyMode,
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) -> Self {
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match mode {
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ResolutionMode::Highest => Self::Highest,
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ResolutionMode::Lowest => Self::Lowest,
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ResolutionMode::LowestDirect => Self::LowestDirect(
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manifest
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.user_requirements(markers, dependencies)
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.map(|requirement| requirement.name.clone())
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.collect(),
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),
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}
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}
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}
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