CODE EXAMPLE FOR PYTHON

Django custome login

in your urls.py
===============================================================================
from django.urls import path
from . import views

app_name = "main"   


urlpatterns = [
    path("", views.homepage, name="homepage"),
    ...
    path("register", views.register_request, name="register"),
    path("login", views.login_request, name="login")
]
================================================================================
in your views.py
================================================================================

from django.shortcuts import  render, redirect
from .forms import NewUserForm
from django.contrib.auth import login, authenticate #add this
from django.contrib import messages
from django.contrib.auth.forms import AuthenticationForm #add this

def register_request(request):
	...

def login_request(request):
	if request.method == "POST":
		form = AuthenticationForm(request, data=request.POST)
		if form.is_valid():
			username = form.cleaned_data.get('username')
			password = form.cleaned_data.get('password')
			user = authenticate(username=username, password=password)
			if user is not None:
				login(request, user)
				messages.info(request, f"You are now logged in as {username}.")
				return redirect("main:homepage")
			else:
				messages.error(request,"Invalid username or password.")
		else:
			messages.error(request,"Invalid username or password.")
	form = AuthenticationForm()
	return render(request=request, template_name="main/login.html", context={"login_form":form})