爲了向客戶端瀏覽器發送實時信息followinf燒瓶片段http://flask.pocoo.org/snippets/80/,我試圖使用燒瓶的主機框架。向juggernaut發送實時數據給客戶端
當我嘗試爲我的代碼實現它時,它仍然不提供客戶端瀏覽器中的實時輸出。
這是我的Python代碼:
import flask
from flask.views import MethodView
from tweetStreamsRT import StreamerRt
from juggernaut import Juggernaut
app = flask.Flask(__name__)
app.secret_key = "xxxxx"
PORT = 8080
class View(MethodView):
def get(self):
return flask.render_template('index.html')
def post(self):
results = StreamerRt().filter(track=[flask.request.form['event']])
jug = Juggernaut()
jug.publish('channel', results)
return self.get()
app.add_url_rule('/', view_func = View.as_view('index'), methods=['GET', 'POST'])
app.debug = True
if __name__ == "__main__":
print 'Listening on http://localhost:%s' % PORT
app.run()
我的HTML頁面,從基本的HTML頁面繼承:
{% extends "base.html" %}
{% import "forms.html" as forms %}
{% block page_header %}
<div class="page-header">
<h1>Welcome</h1>
</div>
{% endblock %}
{% block content %}
<h2>Enter the Event you would like to follow</h2>
<form action="/" method="post">
<input type="text" name="event" />
<input type="submit" value="Submit Query" />
</form>
Results:
<pre>
<script type="text/javascript" charset="utf-8">
var jug = new Juggernaut;
jug.subscribe("channel", function(data){
alert("Got data: " + data);});
</script>
</pre>
{% endblock %}
我很困惑,爲什麼沒有被髮送到客戶端瀏覽器。
感謝
好吧首先是什麼'tweetStreamsRT' – John
tweetStreamsRT是一個模塊,它導入tweepy並監聽twitter流式api並存儲到mongoDB中。 – user94628
https://github.com/mitsuhiko/flask-pastebin是否適合您?你可以嘗試一些不太複雜的例子嗎? – soulseekah