single_rust 0.5.8

Single-cell analysis in Rust
Documentation 
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use std::path::Path;

use anndata::{AnnData, Backend};
use anndata_hdf5::H5;
use anndata_memory::{convert_to_in_memory, IMAnnData};

pub enum FileScope {
    Read = 0,
    ReadWrite = 1,
}

pub fn read_h5ad<P: AsRef<Path>>(
    path_to_file: P,
    scope: FileScope,
    enable_cache: bool,
) -> anyhow::Result<AnnData<H5>> {
    let h5_file = match scope {
        FileScope::Read => H5::open(path_to_file)?,
        FileScope::ReadWrite => H5::open_rw(path_to_file)?,
    };
    let adata = AnnData::<H5>::open(h5_file)?;
    if enable_cache {
        adata.get_x().inner().enable_cache();
    }
    Ok(adata)
}

pub fn read_h5ad_memory<P: AsRef<Path>>(path_to_file: P) -> anyhow::Result<IMAnnData> {
    let adata = read_h5ad(path_to_file, FileScope::Read, false)?;
    convert_to_in_memory(adata)
}

pub fn read_h5ad_fast_memory<P: AsRef<Path>>(path_to_file: P) -> anyhow::Result<IMAnnData> {
    anndata_memory::load_h5ad_fast(path_to_file)
}