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Response middleware are useful to apply some post-process information, just before send to the user. For example: Add some HTTP headers (security headers, for example), remove "Server" banner (for security reasons) or cookie management. The change is very very simple: although an "request" middleware has produced any response, we'll even apply the response middlewares. |
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docs | ||
examples | ||
sanic | ||
tests | ||
.coveragerc | ||
.gitattributes | ||
.gitignore | ||
.travis.yml | ||
CHANGELOG.md | ||
LICENSE | ||
README.md | ||
requirements-dev.txt | ||
requirements.txt | ||
setup.py | ||
tox.ini |
Sanic
Sanic is a Flask-like Python 3.5+ web server that's written to go fast. It's based on the work done by the amazing folks at magicstack, and was inspired by this article: https://magic.io/blog/uvloop-blazing-fast-python-networking/.
On top of being Flask-like, Sanic supports async request handlers. This means you can use the new shiny async/await syntax from Python 3.5, making your code non-blocking and speedy.
Benchmarks
All tests were run on an AWS medium instance running ubuntu, using 1 process. Each script delivered a small JSON response and was tested with wrk using 100 connections. Pypy was tested for Falcon and Flask but did not speed up requests.
Server | Implementation | Requests/sec | Avg Latency |
---|---|---|---|
Sanic | Python 3.5 + uvloop | 33,342 | 2.96ms |
Wheezy | gunicorn + meinheld | 20,244 | 4.94ms |
Falcon | gunicorn + meinheld | 18,972 | 5.27ms |
Bottle | gunicorn + meinheld | 13,596 | 7.36ms |
Flask | gunicorn + meinheld | 4,988 | 20.08ms |
Kyoukai | Python 3.5 + uvloop | 3,889 | 27.44ms |
Aiohttp | Python 3.5 + uvloop | 2,979 | 33.42ms |
Tornado | Python 3.5 | 2,138 | 46.66ms |
Hello World
from sanic import Sanic
from sanic.response import json
app = Sanic()
@app.route("/")
async def test(request):
return json({"hello": "world"})
if __name__ == "__main__":
app.run(host="0.0.0.0", port=8000)
Installation
python -m pip install sanic
Documentation
- Getting started
- Request Data
- Routing
- Middleware
- Exceptions
- Blueprints
- Class Based Views
- Cookies
- Static Files
- Deploying
- Contributing
- License
TODO:
- Streamed file processing
- File output
- Examples of integrations with 3rd-party modules
- RESTful router
Limitations:
- No wheels for uvloop and httptools on Windows :(
Final Thoughts:
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