Python

I would like to limit the borrowing objects in my Django app

django django-models django-views limit python

I have an app that displays games and users can borrow them. I want to limit the amount of borrowed games for each user to max 3 games. I created two models borrow and games. The methods work well except for the max borrowing. Answer You can check whether he has borrowed more than 3 games in form.is_valid() i…

FastAPI – Unable to get auth token from middleware’s Request object

api authentication fastapi python rest

Following Starlette documentation (FastAPI uses Starlette for middlewares), response.headers[“Authorization”] should allow me to get the bearer token, but I get a KeyError saying no such attribute exists. When I print response.headers, I get MutableHeaders({‘content-length’: ’14&…

how to select more options in “ManyToManyField()”?

django django-models python

i wanted to create a tag option for a a music model , well mainly musics accept more than one tag and there are amny kind of genres and tags ,so i wanted to make a ManyToManyField() that you can set more than 1 value ,also if you tag is not in add it in. to do that i thought

Is it possible to change the attribute value in the enum?

enums python python-3.x

I need to reassign the attribute value in Enum. I tried to reassign the attribute, but I got: AttributeError: cannot reassign member ‘number’ Answer Author’s note: This is a horrible idea. Let’s just delete the string “1” from Python and replace it with “2” You …

An Error while using bs4 and requests in replit

beautifulsoup python python-requests replit

When I use bs4 an requests locally it works but when i put my code In replit :(The Error): The ERROR Please Help Me ! If someone can explain what is the problem with replit . Answer This would be much easier to debug if you included a sample link [a plausible value of URL.format(username)]. The error seems to…

Sending RSA encoded message from JavaScript React to Python. Ciphertext length must be equal to key size. issue

cryptography javascript python reactjs subtlecrypto

I receive the error “Ciphertext length must be equal to key size.” when trying to send an encoded message from javascript to python. I have encoded the bytesarray to base64 in javascript and decoded the base64 back to a bytes array in Python. Yet, the issue seems to persist. Key Generation (Python…

Using multipe operators in Python sequentially

operators python python-3.x

I’m trying to understand how Python handles using multiple sequential operators to add and subtract numbers. Here is an example of what I mean: I don’t understand what decides whether to add or subtract these two integers. I’ve used Python 3.11.1 for this example. Answer To understand how th…

Is there a way to toggle/hide/show tkinter buttons

python tkinter user-interface

I am making blackjack in tkinter and instead of placing buttons over the existing buttons i want to toggle them when, say a new game. Answer There are many ways of doing this. One option (I think he simplest one) is to get your buttons in a frame that you can pack and unpack using pack and packing_forget. In …

Pyautogui taking screenshot of a region like sharex does

coordinates pyautogui python region screenshot

I am trying to make a program using pyautogui to screenshot a part of my screen. Everything is working as I intend it to, except when I click on the screenshot button, the only way I found to make it possible for me to choose the region is by doing this : So here I essentially make the program wait