Image not displayed on label

[nazish zehra]

I am making a label containing a gif image.Image is not displayed and program gives the following error :

Exception in Tkinter callback
Traceback (most recent call last):
  File "C:\Python26\lib\lib-tk\Tkinter.py", line 1410, in __call__
    return self.func(*args)
  File "D:\7th sem\abiabi\pythoproj2\toplevelchanges.py", line 114, in about
    label = Label(imageff,image=photo)
  File "C:\Python26\lib\lib-tk\Tkinter.py", line 2464, in __init__
    Widget.__init__(self, master, 'label', cnf, kw)
  File "C:\Python26\lib\lib-tk\Tkinter.py", line 1930, in __init__
    (widgetName, self._w) + extra + self._options(cnf))
TclError: image "pyimage3" doesn't exist

My Code for image label is:

imageff=Frame(root1)
photo = PhotoImage(file="toolbar-search.gif")
label = Label(imageff,image=photo)
imageff["pady"]=10
label.pack()
imageff.pack()
......#other code of program
root1.pack()#at the end

[dwblas]

TclError: image "pyimage3" doesn't exist

photo = PhotoImage(file="/path/to/file/toolbar-search.gif")

To start debugging, try using the full file path and post back with any additional errors.

[nazish zehra]

I have tried the full path but it is giving the same Error.

[bvdet]

Tkinter garbage collects image objects that are stored in local variables after a function returns even if it is being displayed. To avoid this, keep an extra reference by creating an attribute. Example:

import Tkinter
class Application(Tkinter.Frame):
    def __init__(self, master=None):
        Tkinter.Frame.__init__(self, master)
        self.master = master
        self.grid()
        self.image = self.createWidgets()

    def createWidgets(self):
        self.quitButton = Tkinter.Button (self, text='Quit',
                                          command=self.quit)
        self.quitButton.grid()
        
        img = Tkinter.PhotoImage(file="image.gif")
        w = Tkinter.Label(self,image=img)
        w.grid()
        return img
        
root = Tkinter.Tk()
app = Application(root)
app.master.title("Sample application")
root.mainloop()

[dwblas]

That is true but it would then just create an empty/blank label. It would not give an "image doesn't exist error" which can mean only one thing, that the program can not find the image. So something here doesn't make sense; either the posted error message was different from the actual message, or the path used to find the image was incorrect.

[dwblas]

The original code does display an image on my computer so it almost has to be a path problem.

try:
    import Tkinter as tk     ## Python 2.x
except ImportError:
    import tkinter as tk     ## Python 3.x

root1 = tk.Tk()
imageff=tk.Frame(root1)
fname='/home/david/python/Tkinter/Grayson/Examples/Chapter04/img52.gif'
photo = tk.PhotoImage(file=fname)
label = tk.Label(imageff,image=photo)
label.photo=photo     ## keep a copy
imageff["pady"]=10
label.pack()
imageff.pack()
root1.mainloop()

[nazish zehra]

It is not path problem because image is there it is something else and "pyimag3" does not exist is not path error.I am displaying image label by callling a function and if i remove the image then everything else is displayed but with label it is not.

[bvdet]

nazish zehra,

Is your problem solved?

[nazish zehra]

No it is not solved yet.

[bvdet]

nazish zehra - Would you post your code with the problem (enough of your code so we can test it) and any error message you received?

[nazish zehra]

following is the function which i am calling

def about():
        root1 = Tk()
        root1.title("ABOUT")
        root1["padx"] = 25
        root1["pady"] = 25


        TopLabel = Label(root1)

        TopLabel["text"] ="         STRING SEARCHER            "
        TopLabel["font"]="Helvetica",12
        TopLabel["relief"]= RIDGE
        TopLabel.pack()


        image_name = "toolbar-search.gif"
        imageff =PhotoImage(file=image_name)
        imageff=Frame(root1)
        label = Label(imageff,image=photo)
        label.image = photo 
        imageff["pady"]=10
        label.pack()
        imageff.pack()
        root1.mainloop()

and next i am calling it from the same program.Calling the function by making a menubar.Code is:

root = Tk()
menubar = Menu(root)
helpmenu = Menu(menubar, tearoff=0)
helpmenu.add_command(label="About...", command=about)
root.config(menu=menubar)

root.mainloop()

and error is same that "pyimage3" doesnot exist

[dwblas]

        label = Label(imageff,image=photo)

The variable "photo" has not been declared in the program. Also, imageff is used twice

        imageff =PhotoImage(file=image_name)
        imageff=Frame(root1)

Take another look at the working code posted above.