uv-distribution 0.0.92

This is an internal component crate of uv
Documentation 
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use uv_cache::{ARCHIVE_VERSION, ArchiveId, Cache};
use uv_distribution_filename::WheelFilename;
use uv_distribution_types::Hashed;
use uv_pypi_types::{HashDigest, HashDigests};

/// An archive (unzipped wheel) that exists in the local cache.
#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
pub struct Archive {
    /// The unique ID of the entry in the wheel's archive bucket.
    pub id: ArchiveId,
    /// The computed hashes of the archive.
    pub hashes: HashDigests,
    /// The filename of the wheel.
    pub filename: WheelFilename,
    /// The version of the archive bucket.
    pub version: u8,
    /// The size of the downloaded archive.
    pub size: Option<u64>,
}

impl Archive {
    /// Create a new [`Archive`] with the given ID and hashes.
    pub(crate) fn new(
        id: ArchiveId,
        hashes: HashDigests,
        filename: WheelFilename,
        size: Option<u64>,
    ) -> Self {
        Self {
            id,
            hashes,
            filename,
            version: ARCHIVE_VERSION,
            size,
        }
    }

    /// Returns `true` if the archive exists in the cache.
    pub(crate) fn exists(&self, cache: &Cache) -> bool {
        self.version == ARCHIVE_VERSION && cache.archive(&self.id).exists()
    }
}

impl Hashed for Archive {
    fn hashes(&self) -> &[HashDigest] {
        self.hashes.as_slice()
    }
}

#[cfg(test)]
mod tests {
    use std::str::FromStr;

    use super::*;

    #[test]
    fn round_trip_current_archive() {
        for size in [None, Some(42)] {
            let archive = Archive::new(
                ArchiveId::default(),
                HashDigests::from(
                    "sha256:0000000000000000000000000000000000000000000000000000000000000000"
                        .parse::<HashDigest>()
                        .expect("valid SHA-256 digest"),
                ),
                WheelFilename::from_str("iniconfig-2.0.0-py3-none-any.whl")
                    .expect("valid wheel filename"),
                size,
            );
            let bytes = rmp_serde::to_vec(&archive).expect("serialize archive");
            let parsed: Archive = rmp_serde::from_slice(&bytes).expect("deserialize archive");

            assert_eq!(parsed.id, archive.id);
            assert_eq!(parsed.hashes, archive.hashes);
            assert_eq!(parsed.filename, archive.filename);
            assert_eq!(parsed.version, archive.version);
            assert_eq!(parsed.size, archive.size);
        }
    }
}