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POHow to redirect stdout to a Tkinter Text widget
 

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  1. POHow to redirect stdout to a Tkinter Text widget
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    <p>My base program imports it's GUI interface from a script GUI.py</p> <pre><code>old_stdout = sys.stdout root = Tk.Tk() root.title('Coursera-dl') root.geometry("345x230") app = GUI.Interface(root) app.mainloop() if app.button_press() == True and app.return_data(): data = app.return_data() main(data[0],data[1],data[2],data[3],data[4],data[5],data[6],data[7],data[8]) sys.stdout = old_stdout </code></pre> <p>In my GUI.py :</p> <pre><code>class Interface(ttk.Frame): def __init__(self,parent=None): ttk.Frame.__init__(self,parent) self.parent = parent self.New_Window() def New_Window(self): self.newWindow = Tk.Toplevel(self.parent) self.app = CoreGUI(self.newWindow) class StdoutRedirector(object): def __init__(self,text_widget): self.text_space = text_widget def write(self,string): self.text_space.insert('end', string) self.text_space.see('end') class CoreGUI(object): def __init__(self,parent): self.parent = parent self.InitUI() def InitUI(self): self.text_box = Tk.Text(self.parent, wrap='word', height = 11, width=50) self.text_box.grid(column=0, row=0, columnspan = 2, sticky='NSWE', padx=5, pady=5) sys.stdout = StdoutRedirector(self.text_box) </code></pre> <p>But what It does is it opens two windows and the first window <em>(the toplevel one)</em> works as expected and the second is <strong>idle</strong> , <em>This is what is expected until I click a certain button</em> which after pressing prints data continuously and the data printed should appear in the second window's text widget <strong>however</strong> this doesn't happen and there is no response from the program and when I close the Toplevel window an error message appears</p> <blockquote> <p>"TclError: invalid command name "".33328904.33329104"""</p> </blockquote> <p>So How can I print the data in Text Widget rather than in the console?</p> <hr> <h1>EDIT:</h1> <p>Inorder to help ya'll if you struggling with this, I've made a script to redirect stdout to a Tkinter Text widget, see it in action <a href="https://gist.github.com/K-DawG007/7729555" rel="nofollow">here</a> :-)</p>
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    1. COIt may benefit you to create a [short, self-contained, runnable example](http://sscce.org/) that demonstrates your problem. There are a lot of lazy users on SO ([as there should be](http://c2.com/cgi/wiki?LazinessImpatienceHubris)), so the easier you make it to debug your program, the more answers you will receive.
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