mirror of https://github.com/astral-sh/uv
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<!-- Thank you for contributing to uv! To help us out with reviewing, please consider the following: - Does this pull request include a summary of the change? (See below.) - Does this pull request include a descriptive title? - Does this pull request include references to any relevant issues? --> ## Summary Update [schemars 0.9.0](https://github.com/GREsau/schemars/releases/tag/v0.9.0) There are differences in the generated JSON Schema and I will [contact the author](https://github.com/GREsau/schemars/issues/407). ## Test Plan --------- Co-authored-by: konstin <konstin@mailbox.org> |
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Readme.md
Dependency specifiers (PEP 508) in Rust
A library for dependency specifiers, previously known as PEP 508.
Usage
use std::str::FromStr;
use pep508_rs::Requirement;
let marker = r#"requests [security,tests] >= 2.8.1, == 2.8.* ; python_version > "3.8""#;
let dependency_specification = Requirement::from_str(marker).unwrap();
assert_eq!(dependency_specification.name, "requests");
assert_eq!(dependency_specification.extras, Some(vec!["security".to_string(), "tests".to_string()]));
Markers
Markers allow you to install dependencies only in specific environments (python version, operating
system, architecture, etc.) or when a specific feature is activated. E.g., you can say
importlib-metadata ; python_version < "3.8" or itsdangerous (>=1.1.0) ; extra == 'security'.
Unfortunately, the marker grammar has some oversights (e.g.
https://github.com/pypa/packaging.python.org/pull/1181) and the design of comparisons (PEP 440
comparisons with lexicographic fallback) leads to confusing outcomes. This implementation tries to
carefully validate everything and emit warnings whenever bogus comparisons with unintended semantics
are made.