Function hf_cache_dir

cake-core/src/utils/hf.rs:86–106

Return the HuggingFace hub cache directory if it exists.

()

/// Return the HuggingFace hub cache directory if it exists.
pub fn hf_cache_dir() -> Option<PathBuf> {
    if let Ok(dir) = std::env::var("HF_HUB_CACHE") {
        let p = PathBuf::from(dir);
        if p.exists() {
            return Some(p);
        }
    }
    if let Ok(dir) = std::env::var("HF_HOME") {
        let p = PathBuf::from(dir).join("hub");
        if p.exists() {
            return Some(p);
        }
    }
    let home = dirs::home_dir()?;
    let p = home.join(".cache/huggingface/hub");
    if p.exists() {
        Some(p)
    } else {
        None
    }
}

/// Downloads all required model files from HuggingFace Hub.
/// Returns the local directory path containing the downloaded files.