check permission django code example

Example 1: user login validation django

from django.contrib.auth import authenticate, login

def my_view(request):
    username = request.POST['username']
    password = request.POST['password']
    user = authenticate(request, username=username, password=password)
    if user is not None:
        login(request, user)
        # Redirect to a success page.
        ...
    else:
        # Return an 'invalid login' error message.
        ...

Example 2: django user permission check

# all your import goes here for Models.py
...

# Adding Permissions to a Model.
class BlogPost(models.Model):
  ... # model fields
  class Meta:
    permissions = [('can_write_blog', 'Can Write Blog')]
    

# Checking permissions in Views.py
if request.user.has_perm('app_name.can_write_blog'):
  # give access to blog post form
else:
  # restrict user from access the page.

Example 3: loginrequiredmixin django

from django.contrib.auth.mixins import LoginRequiredMixin

class MyView(LoginRequiredMixin, View):
    login_url = '/login/'
    redirect_field_name = 'redirect_to'