Mailman 3 July 2009 - Tkinter-discuss

tkFileDialog.askopenfilenames returns unicode string instead of tuple in python 2.62
by Johnny Vestergaard Aug. 1, 2009

Aug. 1, 2009

Hi, I recently upgraded from Python 2.4 to Python 2.6.2 and have had some unexpected issues with unicode. I had the following code working properly in 2.4: ---code start--- import Tkinter import tkFileDialog root = Tkinter.Tk() input_files = tkFileDialog.askopenfilenames(filetypes = [('.TXT files', '.txt')], title ="Select files", multiple = 1 ) print type(input_files) for file in input_files: print file Tkinter.mainloop() ---code end--- In 2.4 it returned a tuple containing the selected filenames, but in 2.6.2 it seems to return a unicode string (which i cant really use for anything). It is the same computerm using (windows XP), only difference is the version of Python. Any hints to what might be going on? The output from 2.6.2: <type 'unicode'> { C : / D o c u m e n t s a n d s e t t i n g s ..... and continues that way

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Re: [Tkinter-discuss] Passing arguments to command in button.bind
by Sorin Schwimmer July 30, 2009

July 30, 2009

lambda is your friend: optiondict[option].bind("<Button>", lambda t='this is a string i want to pass': self.newdestination(t)) HTH SxN __________________________________________________________________ Be smarter than spam. See how smart SpamGuard is at giving junk email the boot with the All-new Yahoo! Mail. Click on Options in Mail and switch to New Mail today or register for free at http://mail.yahoo.ca

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Declarative-like tkinter code
by Francesco Bochicchio July 30, 2009

July 30, 2009

Hi all, I played a little to see how one could write gui-building code with Tkinter in a more 'declarative' way, sorta like a DSL, and also - and more importantly - less redundant. After a few iterations I got this: # code begin top = Tk( 'top' ) # first argument of any widget is the name top.add( Frame( 'frame' ) ) top.frame.add ( Pack( side = 'top' ), Frame ( 'panel1' ), Frame( 'panel2' ), Pack( side = 'bottom' ), # packing change Button( 'button', text='Click Me', command = functools.partial(button_cb, top) ) ) top.frame.panel1.add( Pack( side='left'), Label ( 'label', text="Entry 1 : " ), Entry ( 'entry' ) ) top.frame.panel2.add( Pack( side='left'), Label ( 'label', text="Entry 1 : " ), Entry( 'entry' ) ) top.realize().mainloop() # code end What do you think? I believe it is a nice result, although probbly is not worth the effort (but I was playing and it was fun :-). Advantages: - the GUI layout is quite readable ( that was the main goal ); you could also arrange it depth-first if you like, by chaining the add methods. - the widgets can be reached by traversing the tree hierarchy, in a way that remember tcl (although lazy-finger developers may object the length of the chain ) - the same geometry management can be specified once and used for more than one children in the add method Drawbacks: - yet another layer on the top of tkinter on the top of tcl/tk. - I needed to add realize, which is when all the widgets are created, because you need to create the master before the children. The widget hierarchy should be 'frozen' after that, or things might break To make this code work I had to wrote about 70 lines of python, including blanks, to create the wrapper classes for Button, Label. Entry, Frame, Tk ( all subclasses of Widget, which is the main class of this experiment ), and then again Pack, Place and Grid geometry classes. I will post the code, if anyone is interested, but it is quite obvious. So, again : what do you think ? Ciao ------- FB

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Passing arguments to command in button.bind.
by jkv July 28, 2009

July 28, 2009

Hi, Im playing around with Tkinter and cant figure out how to pass arguments to a def which are called when pressing a button. When i bind to self.newdestination('whatever') the def is called (with arguments) as soon as the button is drawn, whereas when i bind to self.newdestination the function is called when i press the button - but obviously without any arguments Any hints? ---code--- class guiclass(object): def __init__(self): self.root = Tkinter.Tk() self.root.title('MAIN WINDOW') def config(self): self.configwindow = Tkinter.Toplevel() row = 0 optiondict = {} #config_test.config.items('options') contains a dict from configparser.... for option, value in config_test.config.items('options'): #these two print statements are just for debugging... print option print value Tkinter.Label(self.configwindow, text=str(option) + ': ', anchor='w').grid(column=1, row=row, sticky='w') Tkinter.Label(self.configwindow, text=str(value), anchor='w').grid(column=2, row=row, sticky='w') optiondict[option] = Tkinter.Button(self.configwindow, text='Change destination') optiondict[option].grid(column=3, row=row) #When this button is pressed i want to pass a string to newdestination.... optiondict[option].bind("<Button>", self.newdestination('this is a string i want to pass')) row = row + 1 self.configwindow.title('Configuration window') def newdestination(self, test): #print the string if passed... print test #bah = tkFileDialog.asksaveasfilename(parent=self.configwindow, title='Choose savefile') --- code --- -- Regards, jkv http://unixcluster.dk/public.key

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Tkinter Geometry Management and Other Basics
by Wayne Watson July 26, 2009

July 26, 2009

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Tktable: Can not find the dll.
by Harm Kirchhoff July 26, 2009

July 26, 2009

I am trying to use tktable with Python on Windows and am getting the notorious "tktable isn't loaded statically" error. I read the comments available on the www but could not make it work. It is clear, that my installation can not find the Tktable files. But how can I tell it where to find them ? (I am not a Tcl programmer). I am using python 2.6 on windowsXP: I can see the Tkinter wrapper in C:\Python26\Lib\lib-tk\tktable.py the tcl is in: C:\Python26\tcl\tk8.5\tkTable.tcl and under C:\Python26\DLLs I have 2 dlls: tcl85.dll and tk85.dll there is no tktable.dll but I assume it should be in the tk85.dll ??? I thought I could simply modify the wrapper to point to the tcl: def __init__(self, master=None, **kw): master = _setup_master(master) try: master.tk.call('package', 'require', 'Tktable') except Tkinter.TclError: try: master.tk.call('load', 'tkTable.dll', 'Tktable') except Tkinter.TclError: master.tk.call('load','C:\\Python26\\tcl\\tk8.5\\tkTable.tcl', 'Tktable') #master.tk.call('load', '', 'tkTable') But that does not work either. Anybody using tkTable on windows: How did you do it ? I guess I have to modify the TCL standard path to make it find the tcl or DLL but not having any TCL experience, I have no idea how to do that from python. Regards, HK

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How to open a Microsoft Word file from Tkinter?
by The Helmbolds July 19, 2009

July 19, 2009

I managed to open a plain *.txt file in Microsoft Notepad from TkInter by using Python's "spawnv" command in its "os" module. That does not seem to work for opening a *.txt or a *.doc file in Microsoft Word. How do I open a *.doc file in Microsoft Word from TkInter? Or is this so complicated it's not worth it? Bob

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Re: [Tkinter-discuss] Anyone needs old demo programs ?
by Jeff Epler July 16, 2009

July 16, 2009

On Wed, Jul 15, 2009 at 02:50:52PM +0000, Cameron Laird wrote: > On Wed, Jul 15, 2009 at 04:44:13PM +0200, Francesco Bochicchio wrote: > . > . > . > > Ok. I decided that both sourceforge and googlecode are overkill for my demo > > programs. So I would like to create a page in the wiki explaining who and > > what and why and then annexing the tarball with the demo. > > I started creating the account FrancescoBochicchio, but seem to be unable to > > create pages, not even my home page. How do I do it? > . > . > . > Jeff, can you help? > As I mentioned on the mailing list, spammers have forced me to make further restrictions on who can edit the wiki: http://mail.python.org/pipermail/tkinter-discuss/2009-March/001842.html I have added FrancescoBochicchio as an approved editor, and I have also (just) changed the acl on the ApprovedEditorsGroup page so that all signed-in users can edit that page to add themselves, granting themselves the ability to edit other pages. We'll see whether this is a bar that will still deter spammers but let newcomers contribute. Francesco, sorry for the inconvenience. Please feel free to contact me directly if you still can't make contributions on the wiki. Jeff

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Finding variable associated with checkbutton
by VladPotrosky July 9, 2009

July 9, 2009

How do you find the variable which a checkbutton is linked to? example: v = IntVar() c = Checkbutton(master, text='Foo', variable=v) how do you then find out (with code) that v is linked to c? ----- --------------------------------------------------- "I'd like to share a revelation that I've had during my time here. It came to me when I tried to classify your species and I realized that you're not actually mammals." -- Agent Smith -- View this message in context: http://www.nabble.com/Finding-variable-associated-with-checkbutton-tp243988… Sent from the Python - tkinter-discuss mailing list archive at Nabble.com.

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Finding variable associated with checkbutton
by VladPotrosky July 8, 2009

July 8, 2009

----- --------------------------------------------------- "I'd like to share a revelation that I've had during my time here. It came to me when I tried to classify your species and I realized that you're not actually mammals." -- Agent Smith -- View this message in context: http://www.nabble.com/Finding-variable-associated-with-checkbutton-tp243988… Sent from the Python - tkinter-discuss mailing list archive at Nabble.com.

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