How to cal tcl commands inside my python script using tkinter?

Question

I am running my performance test on python and I want to call some Tcl commands using Tkinter inside my python script.

Can somebody please help me to write the code,

import Tkinter

root = Tkinter.Tk()

root.tk.eval('puts {printed by tcl}')

I tried simply above example, here when I do root=tkinter.tk() it opens up a window, I just want to execute my command and get the result

Does this answer your question? Using Python functions in Tkinter.Tcl() — Saad
– Saad, Commented Jun 7, 2020 at 14:26
Your code works for me. The tcl code is executed and the message is printed. — Bryan Oakley
– Bryan Oakley, Commented Jun 7, 2020 at 14:44

Prathamesh · Accepted Answer · 2020-06-07 14:24:52Z

1

The code you have tried will not show any window until you put the root.mainloop(),but you can try something like this,

import tkinter

root = tkinter.Tk()
root.withdraw()

root.tk.eval('puts {printed by tcl}')

root.destroy()
root.mainloop()

here withdraw() will remove the window from the screen without destroying it and then you can perform your tasks and then destroy it at the end of code.

answered Jun 7, 2020 at 14:24

Prathamesh

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1 Comment

pbalakka Over a year ago

In my actual code, I have to run a command call "vsi", when I run the command vsi using tclscript, vsi gets executed,Here I get error from tkinter import Tcl tcl= Tcl() tcl.eval('puts {printed by tcl}') tcl.eval('vsi') Error :printed by tcl Traceback (most recent call last): File "./tkex.py", line 5, in <module> tcl.eval('vsi') _tkinter.TclError: invalid command name "vsi" I am seeing above error

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