AIL-framework/var/www/Flask_server.py

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#!/usr/bin/env python2
# -*-coding:UTF-8 -*
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import redis
import ConfigParser
import json
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from flask import Flask, render_template, jsonify, request
import flask
import os
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# CONFIG #
configfile = os.path.join(os.environ['AIL_BIN'], 'packages/config.cfg')
if not os.path.exists(configfile):
raise Exception('Unable to find the configuration file. \
Did you set environment variables? \
Or activate the virtualenv.')
cfg = ConfigParser.ConfigParser()
cfg.read(configfile)
# REDIS #
r_serv = redis.StrictRedis(
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host=cfg.get("Redis_Queues", "host"),
port=cfg.getint("Redis_Queues", "port"),
db=cfg.getint("Redis_Queues", "db"))
r_serv_log = redis.StrictRedis(
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host=cfg.get("Redis_Log", "host"),
port=cfg.getint("Redis_Log", "port"),
db=cfg.getint("Redis_Log", "db"))
app = Flask(__name__, static_url_path='/static/')
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def event_stream():
pubsub = r_serv_log.pubsub()
pubsub.psubscribe("Script" + '.*')
for msg in pubsub.listen():
level = msg['channel'].split('.')[1]
if msg['type'] == 'pmessage' and level != "DEBUG":
yield 'data: %s\n\n' % json.dumps(msg)
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def get_queues(r):
# We may want to put the llen in a pipeline to do only one query.
return [(queue, int(card)) for queue, card in
r.hgetall("queues").iteritems()]
@app.route("/_logs")
def logs():
return flask.Response(event_stream(), mimetype="text/event-stream")
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@app.route("/_stuff", methods=['GET'])
def stuff():
return jsonify(row1=get_queues(r_serv))
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@app.route("/search", methods=['POST'])
def search():
query = request.form['query']
q = []
q.append(query)
r = []
# Search
from whoosh import index
from whoosh.fields import Schema, TEXT, ID
schema = Schema(title=TEXT(stored=True), path=ID(stored=True), content=TEXT)
indexpath = os.path.join(os.environ['AIL_HOME'], cfg.get("Indexer", "path"))
ix = index.open_dir(indexpath)
from whoosh.qparser import QueryParser
with ix.searcher() as searcher:
query = QueryParser("content", ix.schema).parse(" ".join(q))
results = searcher.search(query, limit=None)
for x in results:
r.append(x.items()[0][1])
return render_template("search.html", r=r)
@app.route("/")
def index():
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return render_template("index.html")
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@app.route("/monitoring/")
def monitoring():
for queue in r_serv.smembers("queues"):
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return render_template("Queue_live_Monitoring.html", last_value=queue)
@app.route("/wordstrending/")
def wordstrending():
return render_template("Wordstrending.html")
if __name__ == "__main__":
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app.run(host='0.0.0.0', port=7000, threaded=True)