see if a user is in a group django code example
Example: django user group check
from django.contrib.auth.models import User, Group
group = Group(name="Author")
group.save() # Create a sample group.
user = User.objects.get(username="Johndoe") # get Some User.
user.groups.add(group) # Add User 'Johndoe' to a Group.
# check if user belongs to certain group.
if user.groups.filter(name=group):
# do your stuff and give user access.
else:
# redirect him