Treat Python version as a lower bound in --universal (#4597)

## Summary

Closes https://github.com/astral-sh/uv/issues/4591.
This commit is contained in:
Charlie Marsh 2024-06-27 14:41:45 -04:00 committed by GitHub
parent 86e6f76836
commit 9ac1a29c7a
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2 changed files with 12 additions and 5 deletions

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@ -569,8 +569,12 @@ pub struct PipCompileArgs {
pub python_platform: Option<TargetTriple>,
/// Perform a universal resolution, attempting to generate a single `requirements.txt` output
/// file that is compatible with all operating systems, architectures and supported Python
/// versions.
/// file that is compatible with all operating systems, architectures, and Python
/// implementations.
///
/// In universal mode, the current Python version (or user-provided `--python-version`) will be
/// treated as a lower bound. For example, `--universal --python-version 3.7` would produce a
/// universal resolution for Python 3.7 and later.
#[arg(long, overrides_with("no_universal"))]
pub universal: bool,

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@ -74,12 +74,15 @@ impl PythonRequirement {
let version_major_minor_only = Version::new(version.release().iter().take(2));
let expr_python_version = MarkerExpression::Version {
key: MarkerValueVersion::PythonVersion,
specifier: VersionSpecifier::from_version(Operator::Equal, version_major_minor_only)
.unwrap(),
specifier: VersionSpecifier::from_version(
Operator::GreaterThanEqual,
version_major_minor_only,
)
.unwrap(),
};
let expr_python_full_version = MarkerExpression::Version {
key: MarkerValueVersion::PythonFullVersion,
specifier: VersionSpecifier::from_version(Operator::Equal, version).unwrap(),
specifier: VersionSpecifier::from_version(Operator::GreaterThanEqual, version).unwrap(),
};
MarkerTree::And(vec![
MarkerTree::Expression(expr_python_version),