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Always accept already-installed pre-releases (#5419)

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## Summary

If a pre-release is already installed, we should allow it to be used
even if it doesn't match the strategy.

Closes https://github.com/astral-sh/uv/issues/5418.
This commit is contained in:
Charlie Marsh 2024-07-24 15:23:14 -04:00 • committed by GitHub
parent 7bcafec778
commit fff3a7d8f9
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2 changed files with 51 additions and 16 deletions
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24
crates/uv-resolver/src/candidate_selector.rs
View file

@ -120,14 +120,6 @@ impl CandidateSelector {
break 'preference;
}
// Respect the pre-release strategy for this fork.
if version.any_prerelease()
&& self.prerelease_strategy.allows(package_name, markers)
!= AllowPreRelease::Yes
{
break 'preference;
}
// Check for a locally installed distribution that matches the preferred version
if !exclusions.contains(package_name) {
let installed_dists = installed_packages.get_packages(package_name);
@ -155,6 +147,14 @@ impl CandidateSelector {
}
}
// Respect the pre-release strategy for this fork.
if version.any_prerelease()
&& self.prerelease_strategy.allows(package_name, markers)
!= AllowPreRelease::Yes
{
break 'preference;
}
// Check for a remote distribution that matches the preferred version
if let Some(file) = version_maps
.iter()
@ -183,14 +183,6 @@ impl CandidateSelector {
return None;
}
// Respect the pre-release strategy for this fork.
if version.any_prerelease()
&& self.prerelease_strategy.allows(package_name, markers)
!= AllowPreRelease::Yes
{
return None;
}
debug!("Found installed version of {dist} that satisfies {range}");
return Some(Candidate {
name: package_name,

43
crates/uv/tests/pip_install.rs
View file

@ -6105,3 +6105,46 @@ fn local_index_fallback() -> Result<()> {
Ok(())
}
#[test]
fn accept_existing_prerelease() -> Result<()> {
let context = TestContext::new("3.12").with_filtered_counts();
let requirements_txt = context.temp_dir.child("requirements.txt");
requirements_txt.write_str("Flask==2.0.0rc1")?;
// Install a pre-release version of `flask`.
uv_snapshot!(context.filters(), context.pip_install().arg("Flask==2.0.0rc1"), @r###"
success: true
exit_code: 0
----- stdout -----
----- stderr -----
Resolved [N] packages in [TIME]
Prepared [N] packages in [TIME]
Installed [N] packages in [TIME]
+ click==8.1.7
+ flask==2.0.0rc1
+ itsdangerous==2.1.2
+ jinja2==3.1.3
+ markupsafe==2.1.5
+ werkzeug==3.0.1
"###
);
// Install `flask-login`, without enabling pre-releases. The existing version of `flask` should
// still be accepted.
uv_snapshot!(context.filters(), context.pip_install().arg("flask-login==0.6.0"), @r###"
success: true
exit_code: 0
----- stdout -----
----- stderr -----
Resolved [N] packages in [TIME]
Prepared [N] packages in [TIME]
Installed [N] packages in [TIME]
+ flask-login==0.6.0
"###
);
Ok(())
}