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Sanic is a Python 3.7+ web server and web framework that's written to go fast. It allows the usage of the async/await syntax added in Python 3.5, which makes your code non-blocking and speedy.
Sanic is also ASGI compliant, so you can deploy it with an alternative ASGI webserver.
Source code on GitHub | Help and discussion board | User Guide | Chat on Discord
The project is maintained by the community, for the community. Contributions are welcome!
The goal of the project is to provide a simple way to get up and running a highly performant HTTP server that is easy to build, to expand, and ultimately to scale.
Manage pull requests and conduct code reviews in your IDE with full source-tree context. Comment on any line, not just the diffs. Use jump-to-definition, your favorite keybindings, and code intelligence with more of your workflow.
Thank you to our sponsor. Check out open collective to learn more about helping to fund Sanic.
pip3 install sanic
Sanic makes use of
uvloopandujsonto help with performance. If you do not want to use those packages, simply add an environmental variableSANIC_NO_UVLOOP=trueorSANIC_NO_UJSON=trueat install time.$ export SANIC_NO_UVLOOP=true $ export SANIC_NO_UJSON=true $ pip3 install --no-binary :all: sanic
Note
If you are running on a clean install of Fedora 28 or above, please make sure you have the redhat-rpm-config package installed in case if you want to
use sanic with ujson dependency.
Note
Windows support is currently "experimental" and on a best-effort basis. Multiple workers are also not currently supported on Windows (see Issue #1517), but setting workers=1 should launch the server successfully.
from sanic import Sanic
from sanic.response import json
app = Sanic("My Hello, world app")
@app.route('/')
async def test(request):
return json({'hello': 'world'})
if __name__ == '__main__':
app.run()Sanic can now be easily run using sanic hello.app.
[2018-12-30 11:37:41 +0200] [13564] [INFO] Goin' Fast @ http://127.0.0.1:8000 [2018-12-30 11:37:41 +0200] [13564] [INFO] Starting worker [13564]
And, we can verify it is working: curl localhost:8000 -i
HTTP/1.1 200 OK
Connection: keep-alive
Keep-Alive: 5
Content-Length: 17
Content-Type: application/json
{"hello":"world"}
Now, let's go build something fast!
Minimum Python version is 3.7. If you need Python 3.6 support, please use v20.12LTS.
User Guide and API Documentation.
Ask a question or join the conversation.
We are always happy to have new contributions. We have marked issues good for anyone looking to get started, and welcome questions on the forums. Please take a look at our Contribution guidelines.