Falcon 是个看起来很霸道的一个web框架，他的小伙伴有cython（一个python c代码扩展），gunicorn（一个要比uwsgi给力的网关）

[root@66 ~]#  pip install cython falcon
Downloading/unpacking cython
  Downloading Cython-0.20.2.tar.gz (1.4MB): 1.4MB downloaded
  Running setup.py egg_info for package cython
    Compiling module Cython.Plex.Scanners …
    Compiling module Cython.Plex.Actions …
    Compiling module Cython.Compiler.Lexicon …
    Compiling module Cython.Compiler.Scanning …
    Compiling module Cython.Compiler.Parsing …
    Compiling module Cython.Compiler.Visitor …
    Compiling module Cython.Compiler.FlowControl …
    Compiling module Cython.Compiler.Code …
    Compiling module Cython.Runtime.refnanny …
    Compiling module Cython.Tempita._tempita …
    warning: no files found matching ‘*.pyx’ under directory ‘Cython/Debugger/Tests’
    warning: no files found matching ‘*.pxd’ under directory ‘Cython/Debugger/Tests’
    warning: no files found matching ‘*.h’ under directory ‘Cython/Debugger/Tests’
    warning: no files found matching ‘*.pxd’ under directory ‘Cython/Utility’

来个简单的例子：  大家会发现，和咱们常用的web框架用法大同小异。

import falcon

class ThingsResource:
    def on_get(self, req, resp):
        “”"Handles GET requests”"”
        resp.status = falcon.HTTP_200  # This is the default status
        resp.body = (‘this is ceshi’)
# 注册web
app = falcon.API()

# 创建实例
things = ThingsResource()

#这里是接收路由
app.add_route(‘/things/’, things)
启动比较简单直接，直接 gunicorn run:app ，这里是用gunicorn来启动falcon的。
my-web-app.png

看了下Falcon的相关帖子，好多人都是在用他的rest接口模式，支持on_get,on_post,on_put，on_head。 他本身也有msgpack的序列化。
def on_get(self, req, resp):
    resp.data = msgpack.packb({‘message’: ‘Hello world!”})
    resp.content_type = ‘application/msgpack’
    resp.status = falcon.HTTP_200

falcon的post的用法
import falcon
import json

class ThingsResource(object):
    def on_get(self, req, resp):
        “”"Handles GET requests”"”
        resp.status = falcon.HTTP_200
        resp.body = ‘Hello world!’

    def on_post(self, req, resp):
        “”"Handles POST requests”"”
        try:
            raw_json = req.stream.read()
        except Exception as ex:
            raise falcon.HTTPError(falcon.HTTP_400,
                ‘Error’,
                ex.message)

        try:
            result_json = json.loads(raw_json, encoding=’utf-8′)
        except ValueError:
            raise falcon.HTTPError(falcon.HTTP_400,
                ‘Malformed JSON’,
                ‘Could not decode the request body. The ‘
                ‘JSON was incorrect.’)

        resp.status = falcon.HTTP_202
        resp.body = json.dumps(result_json, encoding=’utf-8′)

# falcon.API instances are callable WSGI apps
wsgi_app = api = falcon.API()

# Resources are represented by long-lived class instances
things = ThingsResource()

# things will handle all requests to the ‘/things’ URL path
api.add_route(‘/things’, things)

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