Questions tagged [python-class]
For questions that relate to the use of classes as a language feature in Python.
python-class
506
questions
0
votes
1
answer
39
views
How to inherit (from a parent class) dataclass field introspection functionality?
I have a parent dataclass, and various other classes will then extend this parent dataclass. Let's call these dataclasses DCs. In the example code below, see ParentDC, and an example ChildDC:
from ...
- 3,842
0
votes
1
answer
29
views
Trying to center and uniformly space a 4x4 grid of entry widgets within a frame, within a frame class. What am I missing?
First up, I'm really pretty bad at OOP and tkinter/customtkinter and this is only my third project I've built with classes over straight functions, so please excuse my mess. I'm getting there, and ...
- 121
0
votes
2
answers
50
views
Python decorators with class methods
I want a decorator that I can use as both @decorator and decorator() with class methods, like this :
def decorator_with_args(name):
print(f'Hello {name} !')
def decorator(func):
def ...
0
votes
0
answers
33
views
Having a problem with calling the class twice
import tkinter as tk
import math,time,random
from PIL import ImageTk, Image,ImageEnhance
start_time = time.time()
window = tk.Tk()
window.geometry("300x300")
canvas = tk.Canvas(window, ...
- 41
1
vote
3
answers
69
views
How to display an image with classes in tkinter?
import tkinter as tk
from PIL import ImageTk, Image
window = tk.Tk()
window.geometry("300x300")
canvas = tk.Canvas(window, width=300, height=300,bg="red")
canvas.pack()
class ...
- 41
0
votes
0
answers
108
views
OpenAI API upgrade from 0.28 to 1.x
I am trying to upgrade the OpenAI 0.28 version to 1.2.2. For doing that I defined the client and replaced the openai chatcompletion with client.
Below is the constant file which will be used in the ...
0
votes
1
answer
33
views
How can I substitute an imported python class in a .py file without modifying the file itself?
What I'd like to achieve is:
b.py(might be in a third party package I cannot modify):
from xxx import A
class B:
def __init__():
self.a = A()
The file I actually execute:
execute.py
...
- 143
0
votes
3
answers
44
views
For class created from Python turtle module, instead of return functions at each method, how can data created from a method be used in different one?
For a class (snake class) created from the turtle module in Python:
Problem 1.
when the move() method is called, the snake segments are moving backwards instead of forward . The problem seems to be ...
- 23
-1
votes
1
answer
83
views
How to add class variable values to a list, python 3x?
I'm trying to add class variable values to a list inside a function, but I'm not seeing any errors or the expected output? The comboxbox doesn't display when I uncomment the list code.
Outside of the ...
- 15.7k
0
votes
0
answers
34
views
Unable to properly initialize a tkinter scrollbar inside a UI
I'm not an expert python programmer. After some time and effort I've built a tkinter UI that properly works. Recently, I've found myself needing to add a scrollbar inside the frame, since I need to ...
0
votes
3
answers
46
views
How to run multiple instances of an object with two threads inside each object?
I'm trying to wrap two threaded functions inside an object and run a couple of instances of the object. So far I could only run the objects if I pull the threading outside the class.
import threading
...
- 3
0
votes
2
answers
278
views
List all properties defined on a Pydantic BaseModel
Is there an elegant way to list all properties defined on a Pydantic BaseModel?
It's possible to extract the list of fields via BaseModel.model_fields and the list of computed fields via BaseModel....
- 16.2k
1
vote
2
answers
70
views
On demand Python imports
I have the following situation: A module that contains a class Foo with some additional convenience functions for assembling Foo objects. A Foo object contains methods for interacting with data in an ...
- 205
0
votes
1
answer
114
views
Programatically create multiple instances of CustomTkinter Combobox Python
New to python and trying to create an app with customtkinter. The app lets users pick values from different drop-downs and generates codes based on the chosen value.
Updated per comment from Mike-SMT:
...
- 2,713
4
votes
3
answers
204
views
How to correctly define a classmethod that accesses a value of a mangled child attribute?
In Python, how do I correctly define a classmethod of a parent class that references an attribute of a child class?
from enum import Enum
class LabelledEnum(Enum):
@classmethod
def ...
- 16.2k