Litestar Granian
Run Litestar applications with Granian while preserving Litestar startup, shutdown, logging, and server integrations.
Install
python -m pip install litestar-granian
Run your first app
Save this as example.py:
from litestar import Litestar, get
from litestar_granian import GranianPlugin
@get("/")
async def hello() -> dict[str, str]:
return {"hello": "world"}
app = Litestar(route_handlers=[hello], plugins=[GranianPlugin()])
Start the server:
litestar --app example:app run
Open http://127.0.0.1:8000/ in a browser, or run:
curl http://127.0.0.1:8000/
You should receive:
{"hello":"world"}
Press Ctrl+C in the server terminal to stop it.
Why use this plugin?
- Keep the familiar
litestar runcommand while using Granian. - Start Litestar server integrations once around all Granian workers.
- Configure workers, protocols, logging, metrics, and static files from one CLI.
What the plugin changes
GranianPlugin() replaces Litestar's standard run command with a
Granian-backed command. It does not change commands that start another ASGI
server directly.
Run the complete command reference with:
litestar --app example:app run --help
Optional event loops
The default installation uses Granian's standard loop selection and installs no optional event loop. Install and select one integration at a time:
python -m pip install "litestar-granian[uvloop]"
litestar --app example:app run --loop uvloop
On supported platforms, use the matching rloop or winloop extra and pass
--loop rloop or --loop winloop.
Next steps
- Quickstart — repeat the first run and learn what to check.
- Configuration — choose bindings, workers, protocols, TLS, reload, and event loops.
- Logging and metrics — see how Granian automatically matches Litestar's formatter or accepts a complete override.
- Deployment — forward signals and verify clean shutdown.
- CLI reference — browse every option and environment variable.
License
litestar-granian is distributed under the MIT License.
1 maintainer
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