Permissão django permission - criando permissões Django

create_group_permissions.py

'''
Add permissions to group.
'''


def create_permissions(self, obj, codename):
    # Criando permissão view_manage_career_pages
    content_type = ContentType.objects.get_for_model(obj)
    permission = Permission.objects.get(
        content_type=content_type,
        codename=codename
    )
    # Habilitando permissão para simpleuser
    g = Group.objects.get(name='simpleuser')
    g.permissions.add(permission)


create_permissions(User, 'view_manage_career_pages')

create_or_remove_user_permissions.py

def employee_update_permissions(request, pk):
    data = json.loads(request.body)
    user = User.objects.get(pk=pk)

    _old_permissions = Permission.objects.filter(user=user)
    old_permissions = [item.codename for item in _old_permissions]

    new_permissions = data.get('permission_codes')

    # Remove permissions.
    remove_permissions = set(old_permissions) - set(new_permissions)
    remove_user_permissions(user, remove_permissions)

    # Create permissions.
    create_user_permissions(user, new_permissions)

    permissions_pk = user.employee.to_dict()['permissions_pk']
    permission_codes = user.employee.to_dict()['permission_codes']

    response = {
        'permissions_pk': permissions_pk,
        'permission_codes': permission_codes,
    }
    return JsonResponse(response)


def _user_permissions(user, permission_codes, to_remove=False):
    '''
    Add or Remove permissions to user.

    Args:
        permission_codes (List): List of permissions.
        user (instance): User.
        to_remove (bool): Add or Remove? Default Add.
    '''
    permissions = Permission.objects.filter(codename__in=permission_codes)
    for permission in permissions:
        if to_remove:
            user.user_permissions.remove(permission)
        else:
            user.user_permissions.add(permission)


def create_user_permissions(user, permission_codes):
    '''
    Add permissions to user.
    '''
    _user_permissions(user, permission_codes)


def remove_user_permissions(user, permission_codes):
    '''
    Remove permissions from user.
    '''
    _user_permissions(user, permission_codes, to_remove=True)

create_user_permissions.py

def create_user_permissions(user, permission_codes):
    '''
    Add permissions to user.

    Args:
        permission_codes (List): List of permissions.
        user (instance): User.
    '''
    permissions = Permission.objects.filter(codename__in=permission_codes)

    for permission in permissions:
        user.user_permissions.add(permission)


user = User.objects.last()
permission_codes = ['add_timesheet', 'view_timesheet', 'change_timesheet']
create_user_permissions(user, permission_codes)

Leia mais em create_data.py.