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我正在尝试使用自动更新来自url的标签。 我想做类似寻呼机的东西。当服务器上的文件被改变时,标签也应该改变。用按钮我可以手动下载,但我想自动化它。我在哪里犯错?TKinter自动更新urllib的标签
from tkinter import *
import urllib.request
import time
root = Tk()
check = ""
#functions
def auto():
time.sleep(5) #becouse I don't want kill server
page = "http://howan.pl/pychal/plik.txt"
g = urllib.request.urlopen(page)
data = g.read()
g.close()
return (str(data, encoding='utf-8'))
def click():
page = "http://howan.pl/pychal/plik.txt"
g = urllib.request.urlopen(page)
data = g.read()
g.close()
label.config(text=str(data, encoding='utf-8'))
#Widgets
label = Label(root, text="zer0")
button = Button(root, text="hey", command= click)
if auto() == check:
check = auto
label.config(text=check)
print(auto())
label.pack()
button.pack()
root.mainloop()