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Choose most-compatible wheel in resolver and installer (#422)

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## Summary

This PR implements logic to sort wheels by priority, where priority is
defined as preferring more "specific" wheels over less "specific"
wheels. For example, in the case of Black, my machine now selects
`black-23.11.0-cp311-cp311-macosx_11_0_arm64.whl`, whereas sorting by
lowest priority instead gives me `black-23.11.0-py3-none-any.whl`.

As part of this change, I've also modified the resolver to fallback to
using incompatible wheels when determining package metadata, if no
compatible wheels are available.

The `VersionMap` was also moved out of `resolver.rs` and into its own
file with a wrapper type, for clarity.

Closes https://github.com/astral-sh/puffin/issues/380.
Closes https://github.com/astral-sh/puffin/issues/421.
This commit is contained in:
Charlie Marsh 2023-11-15 10:22:11 -08:00 • committed by GitHub
parent 1147a4de14
commit d3caf9ae86
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10 changed files with 254 additions and 87 deletions
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8
crates/distribution-filename/src/wheel.rs
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@ -5,7 +5,7 @@ use thiserror::Error;
use url::Url;
use pep440_rs::Version;
use platform_tags::Tags;
use platform_tags::{TagPriority, Tags};
use puffin_normalize::{InvalidNameError, PackageName};
#[derive(Debug, Clone, Eq, PartialEq)]
@ -122,6 +122,12 @@ impl WheelFilename {
compatible_tags.is_compatible(&self.python_tag, &self.abi_tag, &self.platform_tag)
}
/// Return the [`TagPriority`] score of the wheel with the given tags, or `None` if the wheel is
/// incompatible.
pub fn compatibility(&self, compatible_tags: &Tags) -> Option<TagPriority> {
compatible_tags.compatibility(&self.python_tag, &self.abi_tag, &self.platform_tag)
}
/// Get the tag for this wheel.
pub fn get_tag(&self) -> String {
format!(