Flask实现异步非阻塞请求功能（flask 异步请求）

Flask实现异步非阻塞请求功能（flask 异步请求）

pip install gevent

关于gevent

Gevent 是一个 Python 并发网络库，它使用了基于 libevent 事件循环的 greenlet 来提供一个高级同步 API。下面是代码示例：

from gevent.wsgi import WSGIServerfrom yourapplication import app= WSGIServer(('', 5000), app)coding=utf-8# Python Version: 3.5.1# Flaskfrom flask import Flask, request, g# geventfrom gevent import monkeyfrom gevent.pywsgi import WSGIServermonkey.patch_all()# gevent endimport timeapp = Flask(__name__)app.config.update(DEBUG=True)@app.route('/asyn/', methods=['GET'])def test_asyn_one(): print("asyn has a request!") time.sleep(10) return 'hello asyn'@app.route('/test/', methods=['GET'])def test(): return 'hello test'if __name__ == "__main__": # app.run() = WSGIServer(('', 5000), app) has a request!127.0.0.1 - - [2016-10-24 20:45:10] "GET /test/ HTTP/1.1" 200 126 0.000000127.0.0.1 - - [2016-10-24 20:45:11] "GET /test/ HTTP/1.1" 200 126 0.000000127.0.0.1 - - [2016-10-24 20:45:11] "GET /test/ HTTP/1.1" 200 126 0.000000127.0.0.1 - - [2016-10-24 20:45:12] "GET /test/ HTTP/1.1" 200 126 0.000000127.0.0.1 - - [2016-10-24 20:45:12] "GET /test/ HTTP/1.1" 200 126 0.000998127.0.0.1 - - [2016-10-24 20:45:13] "GET /test/ HTTP/1.1" 200 126 0.001001127.0.0.1 - - [2016-10-24 20:45:14] "GET /test/ HTTP/1.1" 200 126 0.000000127.0.0.1 - - [2016-10-24 20:45:14] "GET /test/ HTTP/1.1" 200 126 0.001014127.0.0.1 - - [2016-10-24 20:45:15] "GET /test/ HTTP/1.1" 200 126 0.001000127.0.0.1 - - [2016-10-24 20:45:15] "GET /test/ HTTP/1.1" 200 126 0.000000127.0.0.1 - - [2016-10-24 20:45:18] "GET /asyn/ HTTP/1.1" 200 126 10.000392

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