mirror of https://github.com/astral-sh/uv
46 lines
1.6 KiB
Rust
46 lines
1.6 KiB
Rust
use rustc_hash::FxHashSet;
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use pep508_rs::Requirement;
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use puffin_normalize::PackageName;
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#[derive(Debug, Default, Clone, Copy, PartialEq, Eq)]
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#[cfg_attr(feature = "clap", derive(clap::ValueEnum))]
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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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/// 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(mode: ResolutionMode, direct_dependencies: &[Requirement]) -> 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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direct_dependencies
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.iter()
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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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