flask执行python脚本_如何在Flask中运行python脚本
我有一個Flask腳本,可以創建網站并動態打印一些數據。-打印的數據應來自另一個python腳本。
我目前面臨的問題是,如果我將執行python腳本的行放在執行Flask應用程序的行之前,它將運行Python腳本而不運行Flask;反之亦然。
Python腳本:
import websocket
from bitmex_websocket import Instrument
from bitmex_websocket.constants import InstrumentChannels
from bitmex_websocket.constants import Channels
import json
websocket.enableTrace(True)
sells = 0
buys = 0
channels = [
InstrumentChannels.trade,
]
XBTUSD = Instrument(symbol='XBTUSD',
channels=channels)
XBTUSD.on('action', lambda msg: test(msg))
def test(msg):
parsed = json.loads(json.dumps(msg))
print(parsed)
XBTUSD.run_forever()
Flask腳本(注意:價格應為其他腳本的“解析”變量):
# Start with a basic flask app webpage.
from flask_socketio import SocketIO, emit
from flask import Flask, render_template, url_for, copy_current_request_context
from random import random
from time import sleep
from threading import Thread, Event
import requests, json
import time
__author__ = 'slynn'
app = Flask(__name__)
app.config['SECRET_KEY'] = 'secret!'
app.config['DEBUG'] = True
#turn the flask app into a socketio app
socketio = SocketIO(app)
#random number Generator Thread
thread = Thread()
thread_stop_event = Event()
class RandomThread(Thread):
def __init__(self):
self.delay = 1
super(RandomThread, self).__init__()
def randomNumberGenerator(self):
while not thread_stop_event.isSet():
socketio.emit('newnumber', {'number': parsed}, namespace='/test')
sleep(self.delay)
def run(self):
self.randomNumberGenerator()
@app.route('/')
def index():
#only by sending this page first will the client be connected to the socketio instance
return render_template('index.html')
@socketio.on('connect', namespace='/test')
def test_connect():
# need visibility of the global thread object
global thread
print('Client connected')
#Start the random number generator thread only if the thread has not been started before.
if not thread.isAlive():
print("Starting Thread")
thread = RandomThread()
thread.start()
@socketio.on('disconnect', namespace='/test')
def test_disconnect():
print('Client disconnected')
if __name__ == '__main__':
socketio.run(app)
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