mirror of https://github.com/astral-sh/uv
38 lines
1.2 KiB
Rust
38 lines
1.2 KiB
Rust
use pep440_rs::Version;
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use pep508_rs::MarkerEnvironment;
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use puffin_interpreter::Interpreter;
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#[derive(Debug, Clone)]
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pub struct PythonRequirement<'a> {
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/// The installed version of Python.
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installed: &'a Version,
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/// The target version of Python; that is, the version of Python for which we are resolving
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/// dependencies. This is typically the same as the installed version, but may be different
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/// when specifying an alternate Python version for the resolution.
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target: &'a Version,
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}
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impl<'a> PythonRequirement<'a> {
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pub fn new(interpreter: &'a Interpreter, markers: &'a MarkerEnvironment) -> Self {
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Self {
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installed: interpreter.version(),
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target: &markers.python_version.version,
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}
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}
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/// Return the installed version of Python.
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pub(crate) fn installed(&self) -> &'a Version {
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self.installed
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}
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/// Return the target version of Python.
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pub(crate) fn target(&self) -> &'a Version {
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self.target
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}
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/// Returns an iterator over the versions of Python to consider when resolving dependencies.
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pub(crate) fn versions(&self) -> impl Iterator<Item = &'a Version> {
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std::iter::once(self.installed).chain(std::iter::once(self.target))
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}
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}
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