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High performance web framework built with uvloop and httptools.

Project description

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Build License Pypi Python

High performance web framework built with uvloop and httptools

In Xweb, everything is asynchronous.

Features

  • High performance.
  • Asynchronous.
  • Small.

Requirements

  • Python3.6+

Installation

pip install xweb

Get Started

Hello World

from xweb import App

app = App()

@app.use
async def response(ctx):
    ctx.res.body = "Hello World"


if __name__ == '__main__':
    app.listen(8000)

Example with middleware.

A middleware is an async function or an async callable object which looks like: async def logger(ctx, fn)

# app.py

import time

from xweb import App

app = App()


@app.use
async def logger(ctx, fn):
    await fn()
    rt = ctx['X-Response-Time']
    print(rt)


@app.use
async def response_time(ctx, fn):
    start = time.time()
    await fn()
    usage = (time.time() - start) * 1000_000
    ctx['X-Response-Time'] = f'{usage:.0f}µs'


@app.use
async def response(ctx):
    ctx.res.body = "Hello World"


if __name__ == '__main__':
    app.listen(8000)

App

  • app.use(fn)
  • app.listen(host='127.0.0.1', port=8000, debug=True)

Context

  • ctx.req
  • ctx.res
  • ctx.send
  • ctx.abort(self, status, msg="", properties="")
  • ctx.check(self, value, status=400, msg='', properties="")

Request

ctx.req is a Request object.

  • ctx.req.headers dict
  • ctx.req.method str
  • ctx.req.url str
  • ctx.req.raw bytes
  • ctx.req.ip str

Response

ctx.res is a Request object.

  • ctx.res.body str
  • ctx.res.status int
  • ctx.res.msg str
  • ctx.res.headers dict

Benchmark

  • Benchmark code in benchmarks/.
  • environment: iMac (Retina 4K, 21.5-inch, 2017), 3 GHz Intel Core i5, 8 GB 2400 MHz DDR4
  • test command: wrk http://127.0.0.1:8000/ -c 100 -t 10 -d 10 -T 10
Frameworks Requests/Sec Version
xweb 100000 0.1.1
vibora 90000 0.0.6
meinheld + wsgi 77000 0.6.1
sanic 50000 0.7.0

Deploy and Run

python app.py.

Test

  1. pip install -r requirement.txt
  2. pytest --cov xweb.py

Contributing

Build Middleware.

XWeb is inspired by koajs. I need some help for writing middleware as in koa. For example:

  1. Body parser. Convert the raw bytes body into dict or file.
  2. Data validator. Async data validator with high performance.
  3. Router. High performance router like koa-router.
  4. etc..

Open issue.

  1. Suggestion.
  2. Bug.

Project details


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