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() if like

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’, ‘content-type’: ‘application/json’}). Why is the authorization attribute not in the header despite of making a request with an auth header? Answer You are trying to

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 don’t have the “1” anymore, quite literally. which sure is a tad concerning…

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 be

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): Import Key (Javascript): Encrypt Data (Javascript): Transmit Data

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 those expressions are evaluated you can use the ast (abstract syntax tree)

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 this

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