Using tkinter for making gui in python

Question

I am trying to make a gui for a basic dbms project and while tkinter seems pretty easy for the most part i am unable to get how to use Entry to actually take the input and store it to use later (like an if condition or something) eg:

root = Tk()
label = Label(root,text="Testing")
label.grid(row=0)
entry = Entry(root)
entry.grid(row=0,column=1)

Now what i want to do is use the value/word i just wrote in the entry field to say just print it out on for example the console.

I thought we could just write

print(entry)

but that justs prints some random decimal on the console, ideally id like to store the value in some variable (if its not possible to use just "entry") so i can also use it in if conditions etc

I am using python 3

Have you read through the documentation on the Entry widget? The methods for retrieving the data are documented. — Bryan Oakley
– Bryan Oakley, Commented Apr 14, 2017 at 14:29

hankym · Accepted Answer · 2017-04-14 13:52:07Z

1

you mean you want to show some data in entry?

you may just do it like this:

v = StringVar()
e = Entry(master, textvariable=v)
e.pack()

v.set("a default value")
s = e.get()

you can just set the value of "v", for example the Entry show " a default value" string. And you can get the value use "get" method.

answered Apr 14, 2017 at 13:52

hankym

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4 Comments

sgman Over a year ago

i am trying to combine it by using it such that i press a button and it prints the so i added s=v.get() button=Button(text="enter",command=print(s)) button.grid(row=1) but that did not print anything

hankym Over a year ago

button=Button(text="enter",command=print_fun), and in print_fun you call print s

sgman Over a year ago

@hankyman i know its trivail but i dont get how to do that, the function cannot have any arguments cause command= thing does not take function name with the brackets, as in i cant do print_fun(s): print(s) button=Button(text="enter",command=print_fun) so how would i write it ?

hankym Over a year ago

func = (lambda x = s : print(x)) button=Button(text="enter",command=func) you just pass the argument to the func

Astrom · Accepted Answer · 2017-04-14 13:49:45Z

1

you have to retrieve the value:

s=entry.get()
print(s)

answered Apr 14, 2017 at 13:49

Astrom

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Comments

Alex Boxall · Accepted Answer · 2017-04-14 22:12:45Z

1

By printing entry you are printing not what is in the entry, but the actual entry itself. You need to use entry.get() to grab the contents of the entry.

print(entry.get())

answered Apr 14, 2017 at 22:12

Alex Boxall

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