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rustpythonWASI

0.1.1 Public • Published 9 days ago4.6 MB

A Python-3 (CPython >= 3.5.0) Interpreter written in Rust 🐍 😱 🤘

Copy and paste to install this package
wapm install rustpython

launchGithub (grade - call_split - error_outline - open issues/PRs)

RustPython

A Python-3 (CPython >= 3.5.0) Interpreter written in Rust :snake: :scream: :metal:.

Build Status Build Status codecov License: MIT Contributors Gitter

Usage

Check out our online demo running on WebAssembly.

RustPython requires Rust 1.36 or higher. To check Rust version: rustc --version If you wish to update, rustup update stable.

To test RustPython, do the following:

$ git clone https://github.com/RustPython/RustPython
$ cd RustPython
$ cargo run demo.py
Hello, RustPython!

Or use the interactive shell:

$ cargo run
Welcome to rustpython
>>>>> 2+2
4

WASI

You can compile RustPython to a standalone WebAssembly WASI module so it can run anywhere.

$ wapm install rustpython
$ wapm run rustpython
>>>>> 2+2
4

Building the WASI file

You can build the WebAssembly WASI file with:

cargo build --release --target wasm32-wasi --features="freeze-stdlib"

Note: we use the freeze-stdlib to include the standard libarary inside the binary.

Disclaimer

RustPython is in a development phase and should not be used in production or a fault intolerant setting.

Our current build supports only a subset of Python syntax.

Contribution is also more than welcome! See our contribution section for more information on this.

Conference videos

Checkout those talks on conferences:

Use cases

Allthough rustpython is a very young project, it is already used in the wild:

Goals

  • Full Python-3 environment entirely in Rust (not CPython bindings)
  • A clean implementation without compatibility hacks

Documentation

Currently along with other areas of the project, documentation is still in an early phase.

You can read the online documentation for the latest release.

You can also generate documentation locally by running:

$ cargo doc # Including documentation for all dependencies
$ cargo doc --no-deps --all # Excluding all dependencies

Documentation HTML files can then be found in the target/doc directory.

Contributing

Contributions are more than welcome, and in many cases we are happy to guide contributors through PRs or on gitter. Please refer to the development guide as well for tips on developments.

With that in mind, please note this project is maintained by volunteers, some of the best ways to get started are below:

Most tasks are listed in the issue tracker. Check issues labeled with good first issue if you wish to start coding.

Another approach is to checkout the source code: builtin functions and object methods are often the simplest and easiest way to contribute.

You can also simply run ./whats_left.sh to assist in finding any unimplemented method.

Using a standard library

As of now the standard library is under construction. You can use a standard library by setting the RUSTPYTHONPATH environment variable.

To do this, follow this method:

$ export RUSTPYTHONPATH=~/GIT/RustPython/Lib
$ cargo run -- -c 'import xdrlib'

You can play around with other standard libraries for python. For example, the ouroboros library.

Compiling to WebAssembly

See this doc

Community

Chat with us on gitter.

Code of conduct

Our code of conduct can be found here.

Credit

The initial work was based on windelbouwman/rspython and shinglyu/RustPython

These are some useful links to related projects:

License

This project is licensed under the MIT license. Please see the LICENSE file for more details.