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Performance-critical tools to manipulate, analyze, and process genomic interval data. Primarily focused on building tools for geniml - our genomic machine learning python package.

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codecov crates.io

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gtars is a rust crate that provides a set of tools for working with genomic interval data. Its primary goal is to provide processors for our python package, geniml, a library for machine learning on genomic intervals. However, it can be used as a standalone library for working with genomic intervals as well.

gtars provides three things:

  1. A rust library crate.
  2. A command-line interface, written in rust.
  3. A Python package that provides bindings to the rust library.

Repository organization (for developers)

This repo is organized like so:

  1. A rust library crate (/gtars/lib.rs) that provides functions, traits, and structs for working with genomic interval data.
  2. A rust binary crate (in /gtars/main.rs), a small, wrapper command-line interface for the library crate.
  3. A rust crate (in /bindings) that provides Python bindings, and a resulting Python package, so that it can be used within Python.

This repository is a work in progress, and still in early development.

Installation

To install gtars, you must have the rust toolchain installed. You can install it by following the instructions here.

You may build the binary locally using cargo build --release. This will create a binary in target/release/gtars. You can then add this to your path, or run it directly.

Usage

gtars is very early in development, and as such, it does not have a lot of functionality yet. However, it does have a few useful tools. To see the available tools, run gtars --help. To see the help for a specific tool, run gtars <tool> --help.

Alternatively, you can link gtars as a library in your rust project. To do so, add the following to your Cargo.toml file:

[dependencies]
gtars = { git = "https://github.com/databio/gtars" }

Testing

To run the tests, run cargo test.

Contributing

New internal library crate tools

If you'd like to add a new tool, you can do so by creating a new module within the src folder.

New public library crate tools

If you want this to be available to users of gtars, you can add it to the gtars library crate as well. To do so, add the following to src/lib.rs:

pub mod <tool_name>;

New binary crate tools

Finally, if you want to have command-line functionality, you can add it to the gtars binary crate. This requires two steps:

  1. Create a new cli using clap inside the interfaces module of src/cli.rs:
pub fn make_new_tool_cli() -> Command {

}
  1. Write your logic in a wrapper function. This will live inside the functions module of src/cli.rs:
// top of file:
use tool_name::{ ... }

// inside the module:
pub fn new_tool_wrapper() -> Result<(), Box<dyn Error>> {
    // your logic here
}

Please make sure you update the changelog and bump the version number in Cargo.toml when you add a new tool.

VSCode users

If you are using VSCode, make sure you link to the Cargo.toml inside the .vscode folder, so that rust-analyzer can link it all together:

{
    "rust-analyzer.linkedProjects": [
        "./vocab/Cargo.toml",
        "./Cargo.toml"
        "./new-tool/Cargo.toml"
    ]
}

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Performance-critical tools to manipulate, analyze, and process genomic interval data. Primarily focused on building tools for geniml - our genomic machine learning python package.

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