Mailman 3 December 2016 - Tkinter-discuss

Putting a Smartphone veneer over a tkinter user interface
by Alan L Dickman Dec. 22, 2016

Dec. 22, 2016

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Unit Testing Tkinter App
by James Pascoe Dec. 21, 2016

Dec. 21, 2016

Hi Everybody, I like Tkinter a lot and am using it to create Gui driven Python tools for my company. I was wondering if somebody could give me a current answer on what the best way of writing unit tests is for Tkinter programs? I am looking for a programmatic approach that I can automate at git commit time. I looked at dogtail and PyUseCase? Are these tools current? What does everybody else do? Apologies for asking a question that I am sure has been asked several times before, but I can't seem to find a good recent answer. Thank you very much for the help, James

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Re: [Tkinter-discuss] Learning Python/Tkinter and struggling with the text object
by Michael Lange Dec. 9, 2016

Dec. 9, 2016

Hi, On Fri, 9 Dec 2016 10:50:45 -0700 "Alan L Dickman" <adickman(a)us.ibm.com> wrote: > Michael - This is just one example. I've tried so many version of this > program. Some run but don't update the t1 text window. Others throw an > error trying to access t1. For example, the version below throws an > error at t1.grid(). It seems like there must be a simple answer but I > have found no good examples on the internet. > > What would you change so that text is inserted into t1 when the start > button is clicked? > > from tkinter import * > > class Window(Frame): > t1 = Text() the way you initialize the Text widget here effectiveley makes it into self.t1 , so you will get an error when you try to grid() the widget, because there is no t1. You will get the same error when the start() function is called. To make sure the code works as expected, you need to take care that the widget is properly referenced, so it can be accessed later. The way to go is something like: def __init__(self, master=None): Frame.__init__(self, master) self.t1 = Text() self.t1.grid() (...) def start(self): print('I am here') self.t1.insert(END, 'some text') Best regards Michael .-.. .. ...- . .-.. --- -. --. .- -. -.. .--. .-. --- ... .--. . .-. "Can you imagine how life could be improved if we could do away with jealousy, greed, hate ..." "It can also be improved by eliminating love, tenderness, sentiment -- the other side of the coin" -- Dr. Roger Corby and Kirk, "What are Little Girls Made Of?", stardate 2712.4

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Control position of Tkinter common dialogs?
by python＠bdurham.com Dec. 9, 2016

Dec. 9, 2016

Python 2.7 under Windows: How can we control the position of Tkinter's common dialogs? Here's what we've discovered: * Certain common dialogs always open up relative to their parent window * Certain common dialogs always open up centered on the user's desktop * All common dialogs appear to ignore the optional parent= parameter Questions: * How can we force a dialog to open up relative to its parent window? * How can we force a dialog to open up centered on the user's desktop? Background: import tkColorChooser as colorchooser import tkFileDialog as filedialog import tkMessageBox as messagebox # always open up relative to parent windows fileOpen = filedialog.askopenfilename() fileOpens = filedialog.askopenfilenames() fileSaveAs = filedialog.asksaveasfilename() color = colorchooser.askcolor() # always open up centered on desktop folderOpen = filedialog.askdirectory() messagebox.askquestion() Malcolm

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Learning Python/Tkinter and struggling with the text object
by Alan L Dickman Dec. 9, 2016

Dec. 9, 2016

Thanks in advance for any help! I'm just learning Python and Tkinter. Can anyone suggest why this program does not insert 'some text' into text box t1 when the start button is clicked? No errors are thrown when I run the program in PyCharm from tkinter import * class Window(Frame): t1 = [] def __init__(self, master=None) Frame.__init__(self, master) self.master = master self.master.title("My Title") StartButton = Button(self, text="Start", command=self.start, bg= '#006ba6', fg="white") StartButton.grid(row=0, columnspan=3, sticky=(N, S, W, E)) Label(self, text="Your Name").grid(row=1, sticky=(N, S, W, E)) t1 = Text(self, height=2) t1.grid(row=1, column=1, sticky=(N, S, W, E)) self.t1.insert( 0, 'some text') quitButton = Button(self, text="Quit", command=self.client_quit, bg='#006ba6', fg="white") quitButton.grid(row=5, columnspan=3, sticky=(N, S, W, E)) self.grid(sticky=(N, S, W, E)) def start(self): self.t1.insert(0, 'some text') def client_quit(self): exit() root = Tk() root.geometry() app = Window(root) root.mainloop() Alan Dickman IBM Cloud Technical Sales Specialist, Process Transformation North America Public Sector Email: adickman(a)us.ibm.com Mobile: +1 303 324 9353 Find me on: LinkedIn

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