How to refresh a function every hour in tkinter?

Question

I am trying to make a simple program that gets information off an API and displays it on python GUI with tkinter. So far I have been able to do this but a new challenge is getting the information collected from the API to refresh every hour. Basically I need the data() function to be re-run every hour so that the information on the GUI updates.

from tkinter import *
import requests

def data():
    url = requests.get("https://stats.foldingathome.org/api/donor/PointofHorizon")
    json = str((url.json()))

    i = json.count(',')
    data = json.split(",")

    score = data[i]
    score = score.replace(" 'credit': ","")
    score = score.replace("}","")

    unit = data[0]
    unit = unit.replace("{'wus': ","")

    scores = Label(app, text = score)
    units = Label(app, text =  unit)

    scores.pack()
    units.pack()    

app = Tk()
app.geometry("500x200")
title = Label(app,text = "Folding Score")
title.pack()

I have looked around and haven't been able to find a way that works for me, would be amazing if someone could point me in the right direction. I'm still learning and all.

Does this answer your question? Waiting certain amount of time with Tkinter — AMC
– AMC, Commented Mar 23, 2020 at 1:06

Evan Simanovskis · Accepted Answer · 2020-03-23 18:40:42Z

2

I think what you're looking for is the after method in tkinter. I changed the data function to refresh data on the widgets. I moved the code that created the labels to be outside of the refresh_data function. Once the widgets were created, I called the refresh_data function to put information on the widgets. This function would tell tkinter to wait an hour before running it again which created a loop.

from tkinter import *
import requests

def refresh_data():
    url = requests.get("https://stats.foldingathome.org/api/donor/PointofHorizon")
    json = str((url.json()))

    i = json.count(',')
    data = json.split(",")

    score = data[i]
    score = score.replace(" 'credit': ","")
    score = score.replace("}","")

    unit = data[0]
    unit = unit.replace("{'wus': ","")

    scores.config(text=score)
    units.config(text=unit)

    app.after(3600000, refresh_data) #3600000 milliseconds in an hour

app = Tk()
app.geometry("500x200")
title = Label(app,text = "Folding Score")
title.pack()

scores = Label(app)
units = Label(app)


scores.pack()
units.pack()

refresh_data()

app.mainloop()

edited Mar 23, 2020 at 18:40

answered Mar 23, 2020 at 0:41

Evan Simanovskis

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1 Comment

Bryan Oakley Over a year ago

This answer would be a bit better if you took the time to explain what changes you made, so that the OP doesn't have to compare your code line-by-line and character-by-character to see what you changed.

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