[Tkinter-discuss] How to automatically run some code upon GUI startup?

I have created a simple Tkinter GUI. I have a function that needs to be executed automatically upon launching the GUI application. How can it be done? -- View this message in context: http://www.nabble.com/How-to-automatically-run-some-code-upon-GUI-startup--tp16547636p16547636.html Sent from

Re: [Tkinter-discuss] How to automatically run some code upon GUI startup?

snakey wrote: > > Hi Fredrik, > Thanks for the suggestion. Let me try it now. I guess I need a deeper > understanding of this mainloop() thing. I am still unclear about how the > whole GUI concept of mainloop() works. > Fredrik Lundh wrote: > > Snakey wrote

Re: [Tkinter-discuss] How to catch when the root window closes?

would think that the root window is exited by using the "X" windows close button? If this is the case, you can bind the window manager event WM_DELETE_WINDOW to a handler. Try this: root = Tk() ... ... some other codes # -- # to bind the window manager's CLOSE event to

[Tkinter-discuss] Open a Dos prompt(cmd.exe) using a GUI, thus allowing user to execute batchfile

I have created a GUI which has a button that when pressed, opens a Dos prompt box. I am using os.system( '.somepath...\.\cmd.exe' ). In this dos box, the user can run watever application he wants eg. execute a batchfile or run dos commands. 1. I need the GUI to monitor this dos box such that

[Tkinter-discuss] How to detech change of variable state in Tk?

I have written a Tk GUI that upon pressing a button, will launch a subprocess to open a dos-box "cmd.exe". I need the GUI to monitor the returncode of this subprocess, so that when the dos box closes with return code 0, a subroutine can be executed to handle this event. BUT while the dos box is

Re: [Tkinter-discuss] Open a Dos prompt(cmd.exe) using a GUI, thus allowing user to execute batchfile

piping is taking place. Can this be done?? I tried >>> s = subprocess.popen( 'cmd.exe', stdout=subprocess.PIPE ) # when the new process ends, I do the following: out = s.stdout.readlines() # i do some string action on out Snakey wrote: > > I have created a GUI which ha

[Tkinter-discuss] how to get all the text from a text widget?

I created a text widget to allow my users to enter some lines of text. Now I need to dump all the text contents into a string variable. How can i do that? -- View this message in context: http://www.nabble.com/how-to-get-all-the-text-from-a-text-widget--tp17053954p17053954.html Sent from the P

[Tkinter-discuss] how to import a module that is not in the work dir?

I have written some functions in "my_functions.py". I need to use these functions in another program main.py. But, "my_functions.py" cannot reside in my local work folder. It resides in a shared directory somewhere else eg. in X:\shared\my_functions.py How can I import my_functions.py into m

Re: [Tkinter-discuss] how to get all the text from a text widget?

Hi Polo, Thanks for the tip! Guilherme Polo wrote: > > Snakey yahoo.com> writes: > >> >> >> I created a text widget to allow my users to enter some lines of text. >> Now I >> need to dump all the text contents into a string variable. How ca