uv/crates/uv-distribution-filename/src/lib.rs

106 lines
3.3 KiB
Rust

use std::fmt::{Display, Formatter};
use std::str::FromStr;
use uv_normalize::PackageName;
use uv_pep440::Version;
pub use build_tag::{BuildTag, BuildTagError};
pub use egg::{EggInfoFilename, EggInfoFilenameError};
pub use extension::{DistExtension, ExtensionError, SourceDistExtension};
pub use source_dist::{SourceDistFilename, SourceDistFilenameError};
pub use wheel::{TagSet, WheelFilename, WheelFilenameError};
mod build_tag;
mod egg;
mod extension;
mod source_dist;
mod splitter;
mod wheel;
#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord)]
pub enum DistFilename {
SourceDistFilename(SourceDistFilename),
WheelFilename(WheelFilename),
}
impl DistFilename {
/// Parse a filename as wheel or source dist name.
pub fn try_from_filename(filename: &str, package_name: &PackageName) -> Option<Self> {
match DistExtension::from_path(filename) {
Ok(DistExtension::Wheel) => {
if let Ok(filename) = WheelFilename::from_str(filename) {
return Some(Self::WheelFilename(filename));
}
}
Ok(DistExtension::Source(extension)) => {
if let Ok(filename) = SourceDistFilename::parse(filename, extension, package_name) {
return Some(Self::SourceDistFilename(filename));
}
}
Err(_) => {}
}
None
}
/// Like [`DistFilename::try_from_normalized_filename`], but without knowing the package name.
///
/// Source dist filenames can be ambiguous, e.g. `a-1-1.tar.gz`. Without knowing the package name, we assume that
/// source dist filename version doesn't contain minus (the version is normalized).
pub fn try_from_normalized_filename(filename: &str) -> Option<Self> {
if let Ok(filename) = WheelFilename::from_str(filename) {
Some(Self::WheelFilename(filename))
} else if let Ok(filename) = SourceDistFilename::parsed_normalized_filename(filename) {
Some(Self::SourceDistFilename(filename))
} else {
None
}
}
pub fn name(&self) -> &PackageName {
match self {
Self::SourceDistFilename(filename) => &filename.name,
Self::WheelFilename(filename) => &filename.name,
}
}
pub fn version(&self) -> &Version {
match self {
Self::SourceDistFilename(filename) => &filename.version,
Self::WheelFilename(filename) => &filename.version,
}
}
pub fn into_version(self) -> Version {
match self {
Self::SourceDistFilename(filename) => filename.version,
Self::WheelFilename(filename) => filename.version,
}
}
/// Whether the file is a `bdist_wheel` or an `sdist`.
pub fn filetype(&self) -> &'static str {
match self {
Self::SourceDistFilename(_) => "sdist",
Self::WheelFilename(_) => "bdist_wheel",
}
}
}
impl Display for DistFilename {
fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
match self {
Self::SourceDistFilename(filename) => Display::fmt(filename, f),
Self::WheelFilename(filename) => Display::fmt(filename, f),
}
}
}
#[cfg(test)]
mod tests {
use crate::WheelFilename;
#[test]
fn wheel_filename_size() {
assert_eq!(size_of::<WheelFilename>(), 48);
}
}