urls.py:

urlpatterns = [
    url('^$', 'evr.views.main', name='main'),
    url('^signup/$', 'evr.views.signup', name='signup'),
    url('^login/$', 'evr.views.my_login', name='my_login'),
    url('^home/$', 'evr.views.home', name='home'),
]

views.py:

from django.shortcuts import render, redirect
from django.core.urlresolvers import reverse
from django.contrib.auth import authenticate, login
from django.contrib.auth.forms import AuthenticationForm, UserCreationForm


def main(request):
    return redirect(reverse('my_login'))

def home(request):
    return render(request, 'home.html', {})

def my_login(request):
    if request.method == 'POST':
        form = AuthenticationForm(request.POST)
        if form.is_valid():
            username = form.cleaned_data['username']
            password = form.cleaned_data['password']
            user = authenticate(username=username, password=password)
            if user is not None:
                if user.is_active:
                    login(request, user)
                    return render(request, 'home.html', {})

                else:
                    # Return a 'disabled account' error message
                    pass
            else:
                # send to signup
                return render(request, 'signup.html', {})
    else:
        form = AuthenticationForm()
        return render(request, 'login.html', {'form': form})


def signup(request):
    if request.method == 'POST':
        form = UserCreationForm(request.POST)
        if form.is_valid():
            form.save()
    else:
        form = UserCreationForm()
        context = {'form': form}
        return render(request, 'signup.html', context)