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Add support for Metadata 2.2 (#2293)

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## Summary

PyPI now supports Metadata 2.2, which means distributions with Metadata
2.2-compliant metadata will start to appear. The upside is that if a
source distribution includes a `PKG-INFO` file with (1) a metadata
version of 2.2 or greater, and (2) no dynamic fields (at least, of the
fields we rely on), we can read the metadata from the `PKG-INFO` file
directly rather than running _any_ of the PEP 517 build hooks.

Closes https://github.com/astral-sh/uv/issues/2009.
This commit is contained in:
Charlie Marsh 2024-03-08 08:02:32 -08:00 • committed by GitHub
parent 41c911fc41
commit 2e9678e5d3
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14 changed files with 263 additions and 70 deletions
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8
crates/uv-distribution/src/distribution_database.rs
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@ -12,7 +12,7 @@ use distribution_types::{
BuiltDist, DirectGitUrl, Dist, FileLocation, IndexLocations, LocalEditable, Name, SourceDist,
};
use platform_tags::Tags;
use pypi_types::Metadata21;
use pypi_types::Metadata23;
use uv_cache::{ArchiveTarget, ArchiveTimestamp, Cache, CacheBucket, WheelCache};
use uv_client::{CacheControl, CachedClientError, Connectivity, RegistryClient};
@ -344,14 +344,14 @@ impl<'a, Context: BuildContext + Send + Sync> DistributionDatabase<'a, Context>
/// Either fetch the only wheel metadata (directly from the index or with range requests) or
/// fetch and build the source distribution.
///
/// Returns the [`Metadata21`], along with a "precise" URL for the source distribution, if
/// Returns the [`Metadata23`], along with a "precise" URL for the source distribution, if
/// possible. For example, given a Git dependency with a reference to a branch or tag, return a
/// URL with a precise reference to the current commit of that branch or tag.
#[instrument(skip_all, fields(%dist))]
pub async fn get_or_build_wheel_metadata(
&self,
dist: &Dist,
) -> Result<(Metadata21, Option<Url>), Error> {
) -> Result<(Metadata23, Option<Url>), Error> {
match dist {
Dist::Built(built_dist) => {
Ok((self.client.wheel_metadata(built_dist).boxed().await?, None))
@ -393,7 +393,7 @@ impl<'a, Context: BuildContext + Send + Sync> DistributionDatabase<'a, Context>
&self,
editable: &LocalEditable,
editable_wheel_dir: &Path,
) -> Result<(LocalWheel, Metadata21), Error> {
) -> Result<(LocalWheel, Metadata23), Error> {
let (dist, disk_filename, filename, metadata) = self
.builder
.build_editable(editable, editable_wheel_dir)