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Robyn is a Super Fast Async Python Web Framework with a Rust runtime.

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Robyn

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Robyn is a High-Performance, Community-Driven, and Innovator Friendly Web Framework with a Rust runtime. You can learn more by checking our community resources!

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Source: TechEmpower Round 22

πŸ“¦ Installation

You can simply use Pip for installation.

pip install robyn

Or, with conda-forge

conda install -c conda-forge robyn

πŸ€” Usage

πŸš€ Define your API

To define your API, you can add the following code in an app.py file.

from robyn import Robyn

app = Robyn(__file__)

@app.get("/")
async def h(request):
    return "Hello, world!"

app.start(port=8080)

πŸƒ Run your code

Simply run the app.py file you created. You will then have access to a server on the localhost:8080, that you can request from an other program. Robyn provides several options to customize your web server.

$ python3 app.py

To see the usage

usage: app.py [-h] [--processes PROCESSES] [--workers WORKERS] [--dev] [--log-level LOG_LEVEL]

Robyn, a fast async web framework with a rust runtime.

options:
  -h, --help            show this help message and exit
  --processes PROCESSES
                        Choose the number of processes. [Default: 1]
  --workers WORKERS     Choose the number of workers. [Default: 1]
  --dev                 Development mode. It restarts the server based on file changes.
  --log-level LOG_LEVEL
                        Set the log level name
  --create              Create a new project template.
  --docs                Open the Robyn documentation.
  --open-browser        Open the browser on successful start.
  --version             Show the Robyn version.
  --compile-rust-path COMPILE_RUST_PATH
                        Compile rust files in the given path.
  --create-rust-file CREATE_RUST_FILE
                        Create a rust file with the given name.
  --disable-openapi     Disable the OpenAPI documentation.
  --fast                Enable the fast mode.

Log level can be DEBUG, INFO, WARNING, or ERROR.

When running the app using --open-browser a new browser window will open at the app location, e.g:

$ python3 app.py --open-browser

πŸ’» Add more routes

You can add more routes to your API. Check out the routes in this file as examples.

🐍 Python Version Support

Robyn is compatible with the following Python versions:

Python >= 3.8

It is recommended to use the latest version of Python for the best performances.

Please make sure you have the correct version of Python installed before starting to use this project. You can check your Python version by running the following command in your terminal:

python --version

πŸ’‘ Features

  • Under active development!
  • Written in Rust, btw xD
  • A multithreaded Runtime
  • Extensible
  • A simple API
  • Sync and Async Function Support
  • Dynamic URL Routing
  • Multi Core Scaling
  • WebSockets!
  • Middlewares
  • Built in form data handling
  • Dependency Injection
  • Hot Reloading
  • Direct Rust Integration
  • Community First and truly FOSS!

πŸ—’οΈ How to contribute

🏁 Get started

Please read the code of conduct and go through CONTRIBUTING.md before contributing to Robyn. Feel free to open an issue for any clarifications or suggestions.

If you're feeling curious. You can take a look at a more detailed architecture here.

If you still need help to get started, feel free to reach out on our community discord.

βš™οΈ To Develop Locally

  • Setup a virtual environment:
python3 -m venv .venv
source .venv/bin/activate
  • Install required packages
pip install pre-commit poetry maturin
  • Install development dependencies
poetry install --with dev --with test
  • Install pre-commit git hooks
pre-commit install
  • Build & install Robyn Rust package
maturin develop
  • Build & install Robyn Rust package (experimental)
maturin develop --cargo-extra-args="--features=io-uring"
  • Run!
poetry run test_server
  • Run tests
pytest integration_tests
  • Test (refer to integration_tests/base_routes.py for more endpoints)
curl http://localhost:8080/sync/str
  • tip: One liners for testing changes!
maturin develop && poetry run test_server
maturin develop && pytest integration_tests
  • Potential errors
    • install patchelf with pip install patchelf if you face patchelf not found issue during maturin develop (esp. on Arch Linux)

✨ Special thanks

✨ Contributors/Supporters

Thanks to all the contributors of the project. Robyn will not be what it is without all your support ❀️.

Special thanks to the PyO3 community and Andrew from PyO3-asyncio for their amazing libraries and their support for my queries. πŸ’–

✨ Sponsors

These sponsors help us make the magic happen!

DigitalOcean Referral Badge Appwrite Logo

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