转自: http://stackoverflow.com/questions/19109436/gevent-ssl-wsgiserver-blocks-when-it-shouldnt

import gevent
import gevent.monkey
gevent.monkey.patch_all()

import requests

from gevent.pywsgi import WSGIServer
from flask import Flask


app = Flask(__name__)
app.debug = True

# Simple catch-all server
@app.route('/', defaults={'path': ''}, methods=['GET', 'POST'])
@app.route('/', methods=['GET', 'POST'])
def catch_all(path):
    return 'It is Working!'


if __name__ == '__main__':
    http_server = WSGIServer(('', 4430), app, keyfile='server.key', certfile='server.crt')
    srv_greenlet = gevent.spawn(http_server.start)
    gevent.sleep(0.5)
    resp = requests.get('https://127.0.0.1:4430/')
    print resp.text
    http_server.stop()
    gevent.joinall([srv_greenlet])