🔒 Needing help to understand the coincidents beetween self and attributes

[scarlet mesa]

@inland sail

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[inland sail]

https://paste.pythondiscord.com/5SXQ

So what I’m trying is to just do 1 command, which then works based on which button was clicked. To indicate that, I’m trying to give 2 values into the function

But that leads to the posted problem. I guess it’s caused by my relative new python skills

So if someone can explain me what I might misunderstood, I would highly appreciate.

Needing help to understand the coincidents beetween self and missing attributes

[fringe sand]

In a nutshell:

self.scoreboard_frame_button_1 = customtkinter.CTkButton(self.scoreboard_frame, text="+", height=20, width=20, command=self.on_scoreboard_change(1, 1))
...
self.team1_score_label = customtkinter.CTkLabel(self.scoreboard_frame, text="0", font=customtkinter.CTkFont(size=25))

Because on_scoreboard_change is being called in the first line above, and that method attempts to reference self.team1_score_label, at the time the CTkButton is being created there is no attribute team1_score_label (because it has not been assigned yet).

Try moving the assignment of self.team1_score_label above the assignment for self.score_board_frame_button1 inside __init__.

Generally, we should try to avoid too many other method calls inside __init__ for this reason. The order of operations is important, and if something is trying to reference something that hasn't been assigned yet, you get these errors.

In this case, though, just re-ordering things in __init__ should be fine

[inland sail]

Oh I See. I will try that out. Seems like I even got the “basics” wrong

[fringe sand]

Don't be too hard on yourself. These are good lessons to find out about. 🙂

[inland sail]

🙂

[inland sail]

~~Ok this got me a step forward. However i now get this.
File "c:\Users\lucao\Documents\GitHub\WTeS-Scoreboard-Tool\ScoreTest.py", line 73, in init
self.scoreboard_frame_button_1 = customtkinter.CTkButton(self.scoreboard_frame, text="+", height=20, width=20, command=self.on_scoreboard_change(1, 1))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "c:\Users\lucao\Documents\GitHub\WTeS-Scoreboard-Tool\ScoreTest.py", line 117, in on_scoreboard_change
self.team2_score_label.configure(text=self.scoreboard[2])
~~~~~~~~~~~~~^^^
IndexError: list index out of range fixed it by adding self.scoreboard= [0, 0, 0] to the definitions of the variables

is it that list start reading from 0 on?

But still nothing changes when clicking my plus an minus buttons

[inland sail]

Updated the code

[fringe sand]

List indices are 0-based, yes.

Don't know enough about tkinter unfortunately, I don't think I can be of much more help.

[inland sail]

You were a big help already

[inland sail]

So actual problem, basically nothing changes when clicking + or -

No error or anything. Just no change when clicking

[scarlet mesa]

Python help channel closed

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