django-access | application introducing dynamic evaluation-based instance | Authorization library

from __future__ import unicode_literals

from django.db import models
from django.db.models.query import Q
from django.contrib.auth.models import User, Group, Permission

from access.plugins import CompoundPlugin, ApplyAblePlugin, CheckAblePlugin, Dj  

from django.contrib import admin
from django.contrib.auth import models
from django.contrib.auth.admin import UserAdmin, GroupAdmin
from access.admin import *

# Register your models here.
class AccessUserAdmin(AccessControlMixin,UserAdmin):
    pass  

...
from access.managers import AccessManager
...

...
    def has_add_permission(self, request):
        r = AccessManager(self.model).appendable(request) is not False
        return r

    def has_delete_permission(self, request, obj=None):