[英]How to make an endless loop in flask
from flask import *
from redmine import Redmine
import sys
app = Flask(__name__)
REDMINE_KEY='sdfsdfsdfsdfsd'
REDMINE_URL='http://blabla/redmine'
redmine = Redmine(REDMINE_URL)
redmine = Redmine(REDMINE_URL, key=REDMINE_KEY)
neu = []
bearbeitung = []
erledigt = []
id_thema = ""
thema = ""
project = ""
zugewiesen = ""
def ticket_zugewiesen(diesTicket):
alleticket = redmine.issue.get(diesTicket)
try:
alleticket.assigned_to
except:
return True
def ticket_infos(diesTicket):
alleticket = redmine.issue.get(diesTicket)
try:
id_thema = alleticket.id
thema = alleticket.subject
project = alleticket.project.name
zugewiesen = alleticket.assigned_to
except:
id_thema = alleticket.id
thema = alleticket.subject
project = alleticket.project.name
return
neueIssues = redmine.issue.filter(status_id='1')
for i in neueIssues:
neu.append(i.id)
neueIssues = redmine.issue.filter(status_id='2')
for i in neueIssues:
bearbeitung.append(i.id)
neueIssues = redmine.issue.filter(status_id='5')
for i in neueIssues:
erledigt.append(i.id)
@app.route('/_sendinfo')
def info():
return jsonify(result=id_thema,thema=thema, project=project, zugewiesen=zugewiesen)
@app.route('/')
def home():
while True:
neu2 = []
bearbeitung2 = []
erledigt2 = []
neueIssues = redmine.issue.filter(status_id='1')
for neues in neueIssues:
neu2.append(neues.id)
neueIssues = redmine.issue.filter(status_id='2')
for bearbeitetes in neueIssues:
bearbeitung2.append(bearbeitetes.id)
neueIssues = redmine.issue.filter(status_id='5')
for erledigtes in neueIssues:
erledigt2.append(erledigtes.id)
for i in neu2:
if i not in neu:
janein = ticket_zugewiesen(i)
if janein is True:
l = ticket_infos(i)
else:
pass
neu = neu2
for ii in bearbeitung2:
if ii not in bearbeitung:
if ii in erledigt:
l = ticket_infos(ii)
erledigt = erledigt2
bearbeitung = bearbeitung2
for iii in erledigt2:
if iii not in erledigt:
l = ticket_infos(iii)
erledigt = erledigt2
return render_template("index.html")
if __name__ == '__main__':
app.run()
我怎样才能使home()
这个无限循环在烧瓶中工作? 现在不起作用。 还是有更好的方法从Redmine获取数据?
我将每轮检查一次是否有无限循环,如果neu2,bearbeitung2,erledigt2这三个列表等于neu,bearbeitung,erledigt。 如果“ list2”中还有更多数字,我将在前端(浏览器)上动态显示一些信息。
如果我对您的理解正确,则希望继续从一条Flask路由向浏览器推送更新。 可悲的是,那是不可能的。 您将需要研究使用浏览器端的JavaScript,并使用AJAX或websocket进行轮询以推送实时更新。
在AJAX和WS之间进行选择取决于您的特定用例。 尝试同时研究两者。 AJAX可能更容易设置,但是据我所知Flask有一些WS支持: https : //github.com/miguelgrinberg/Flask-SocketIO
编辑:如果您不需要支持旧的浏览器(尽管似乎有polyfill,它也提供旧浏览器的支持),您也可以尝试使用服务器发送的事件。 它们在这里得到了很好的解释: 如何在Flask框架中实现服务器推送? 尽管我从未亲自尝试过,但它似乎真的很容易使用。
我不知道这是否是个好主意,但我解决了。
from concurrent.futures import ThreadPoolExecutor
executor = ThreadPoolExecutor(1) # number of executor
executor.submit(home)
from concurrent.futures import ThreadPoolExecutor
from flask import *
from redmine import Redmine
import sys
app = Flask(__name__)
REDMINE_KEY='sdfsdfsdfsdfsd'
REDMINE_URL='http://blabla/redmine'
redmine = Redmine(REDMINE_URL)
redmine = Redmine(REDMINE_URL, key=REDMINE_KEY)
neu = []
bearbeitung = []
erledigt = []
id_thema = ""
thema = ""
project = ""
zugewiesen = ""
def ticket_zugewiesen(diesTicket):
alleticket = redmine.issue.get(diesTicket)
try:
alleticket.assigned_to
except:
return True
def ticket_infos(diesTicket):
alleticket = redmine.issue.get(diesTicket)
try:
id_thema = alleticket.id
thema = alleticket.subject
project = alleticket.project.name
zugewiesen = alleticket.assigned_to
except:
id_thema = alleticket.id
thema = alleticket.subject
project = alleticket.project.name
return
neueIssues = redmine.issue.filter(status_id='1')
for i in neueIssues:
neu.append(i.id)
neueIssues = redmine.issue.filter(status_id='2')
for i in neueIssues:
bearbeitung.append(i.id)
neueIssues = redmine.issue.filter(status_id='5')
for i in neueIssues:
erledigt.append(i.id)
@app.route('/_sendinfo')
def info():
return jsonify(result=id_thema,thema=thema, project=project, zugewiesen=zugewiesen)
executor = ThreadPoolExecutor(1) # number of executor
def home():
while True:
neu2 = []
bearbeitung2 = []
erledigt2 = []
neueIssues = redmine.issue.filter(status_id='1')
for neues in neueIssues:
neu2.append(neues.id)
neueIssues = redmine.issue.filter(status_id='2')
for bearbeitetes in neueIssues:
bearbeitung2.append(bearbeitetes.id)
neueIssues = redmine.issue.filter(status_id='5')
for erledigtes in neueIssues:
erledigt2.append(erledigtes.id)
for i in neu2:
if i not in neu:
janein = ticket_zugewiesen(i)
if janein is True:
l = ticket_infos(i)
else:
pass
neu = neu2
for ii in bearbeitung2:
if ii not in bearbeitung:
if ii in erledigt:
l = ticket_infos(ii)
erledigt = erledigt2
bearbeitung = bearbeitung2
for iii in erledigt2:
if iii not in erledigt:
l = ticket_infos(iii)
erledigt = erledigt2
return render_template("index.html")
if __name__ == '__main__':
executor.submit(home)
app.run()
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