Tkinter how to access the widget by name

[Владимир Пылев]

вторник, 16 октября 2012 г., 2:26:22 UTC+4 пользователь Prasad, Ramit написал:
> ???????? ????? wrote:
> 
> > I'm a little teapot ... himself the question: if I want to appeal to the widget, knowing his name... ?
> 
> > 
> 
> > # appropriated the name of the widget
> 
> > label = Label(frame, width = 40, text='text', name = 'name')
> 
> > ...
> 
> > name_='name'
> 
> > configure(name_)
> 
> > ...
> 
> > def configure(name_)
> 
> >         #And how can that be?
> 
> >         # At least let the text you want to change ....
> 
> > 
> 
> > I beg you ..!!!!
> 
> > --
> 
> 
> 
> I am unfamiliar with Tkinter, so this might not be very helpful.
> 
> 
> 
> Usually with the GUI I have created before I uses classes and store 
> 
> the widgets inside the classes. That makes it easier to use
> 
> `self.widgetname` or `getattr(self, widgetname)`. If that is not
> 
> something you can instead store the attributes in a list/dictionary.
> 
> In both cases make sure not to have multiple widgets created with
> 
> the same name.
> 
> 
> 
> Note the following is all untested and should be considered pseudo-code.
> 
> 
> 
> widgets = {}
> 
> label = Label(frame, width = 40, text='text', name = 'name')
> 
> widgets['name'] = label
> 
> 
> 
> def configure(name_):
> 
>     widget = widgets[name_] 
> 
> 
> 
> OR
> 
> 
> 
> widgets = []
> 
> label = Label(frame, width = 40, text='text', name = 'name')
> 
> widgets.append( label )
> 
> 
> 
> def configure(name_):
> 
>     found = False
> 
>     for w in widgets:
> 
>          if w.name == name_: # No idea how to get name from Tk widget
> 
>                found = True
> 
>                break
> 
>      if found:
> 
>         # configure here
> 
> 
> 
> 
> 
> Ramit Prasad
> 
> 
> 
> 
> 
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ok thanks, that this method is suitable in full: "widgets.append( label )" , аlthough at the beginning wanted to access the widget by its internal name, but I left this venture )).