mirror of
https://github.com/astral-sh/uv
synced 2026-01-28 17:00:17 -05:00
cfd84d6365
## Summary Low-priority but fun thing to end the day. You can now pass `--target-version py37`, and we'll generate a resolution for Python 3.7. See: https://github.com/astral-sh/puffin/issues/183.
71 lines
2.3 KiB
Rust
71 lines
2.3 KiB
Rust
use std::str::FromStr;
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use pep508_rs::{MarkerEnvironment, StringVersion};
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#[derive(Debug, Clone, Copy, clap::ValueEnum)]
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pub(crate) enum PythonVersion {
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Py37,
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Py38,
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Py39,
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Py310,
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Py311,
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Py312,
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}
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impl PythonVersion {
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/// Return the `python_version` marker for a [`PythonVersion`].
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fn python_version(self) -> &'static str {
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match self {
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Self::Py37 => "3.7",
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Self::Py38 => "3.8",
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Self::Py39 => "3.9",
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Self::Py310 => "3.10",
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Self::Py311 => "3.11",
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Self::Py312 => "3.12",
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}
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}
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/// Return the `python_full_version` marker for a [`PythonVersion`].
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fn python_full_version(self) -> &'static str {
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match self {
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Self::Py37 => "3.7.0",
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Self::Py38 => "3.8.0",
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Self::Py39 => "3.9.0",
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Self::Py310 => "3.10.0",
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Self::Py311 => "3.11.0",
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Self::Py312 => "3.12.0",
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}
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}
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/// Return the `implementation_version` marker for a [`PythonVersion`].
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fn implementation_version(self) -> &'static str {
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match self {
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Self::Py37 => "3.7.0",
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Self::Py38 => "3.8.0",
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Self::Py39 => "3.9.0",
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Self::Py310 => "3.10.0",
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Self::Py311 => "3.11.0",
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Self::Py312 => "3.12.0",
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}
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}
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/// Return a [`MarkerEnvironment`] compatible with the given [`PythonVersion`], based on
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/// a base [`MarkerEnvironment`].
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///
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/// The returned [`MarkerEnvironment`] will preserve the base environment's platform markers,
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/// but override its Python version markers.
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pub(crate) fn markers(self, base: &MarkerEnvironment) -> MarkerEnvironment {
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let mut markers = base.clone();
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// Ex) `python_version == "3.12"`
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markers.python_version = StringVersion::from_str(self.python_version()).unwrap();
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// Ex) `python_full_version == "3.12.0"`
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markers.python_full_version = StringVersion::from_str(self.python_full_version()).unwrap();
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// Ex) `implementation_version == "3.12.0"`
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if markers.implementation_name == "cpython" {
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markers.implementation_version =
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StringVersion::from_str(self.implementation_version()).unwrap();
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}
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markers
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}
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}
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