[英]Running background Celery task in Flask
问题已更新,以包括取得的进展
我有以下代码,我的celery任务正常启动,我只是不知道应该将异步结果存储在哪里,以便以后可以再次查看
#!/usr/bin/env python
"""Page views."""
from flask import render_template, request
from flask import Flask
from celerytest import add
from time import sleep
app = Flask(__name__)
async_res = []
@app.route('/', methods=['GET', 'POST'])
def run():
if request.method == 'GET':
return render_template("template.html")
else:
form = request.form
n1 = str(form.get("n1"))
n2 = str(form.get("n2"))
aysnc_res = add.delay(n1,n2)
return render_template("loading.html")
@app.route('/loading')
def check_if_complete():
if async_res.ready() == True:
return render_template("template2.html", val=async_res.get())
else:
sleep(5)
return render_template("loading.html")
if __name__ == '__main__':
app.run()
似乎在我的flask应用程序async_res
作为全局变量存储会导致服务器错误。 那么存储结果的最佳方法是什么,以便我可以在“加载页面”中进行检查
我最终能够将任务的ID保存在Flask的会话字典中
参见下面的代码:
#!/usr/bin/env python
"""Page views."""
from flask import render_template, request
from flask import Flask
from celerytest import add
from time import sleep
app = Flask(__name__)
@app.route('/', methods=['GET', 'POST'])
def run():
if request.method == 'GET':
return render_template("template.html")
else:
form = request.form
n1 = str(form.get("n1"))
n2 = str(form.get("n2"))
aysnc_res = add.delay(n1,n2)
session['TASK_ID'] = async_res.id
return render_template("loading.html")
@app.route('/loading')
def check_if_complete():
aysnc_res = session['TASK_ID']
if async_res.ready() == True:
return render_template("template2.html", val=async_res.get())
else:
sleep(5)
return render_template("loading.html")
if __name__ == '__main__':
app.run()
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