gregmuellegger

from django.core.exceptions import PermissionDenied
from django.contrib import admin
from crm.models import Customer


class ReadPermissionModelAdmin(admin.ModelAdmin):
    def has_change_permission(self, request, obj=None):
        if getattr(request, 'readonly', False):
            return True
        return super(ReadPermissionModelAdmin, self).has_change_permission(request, obj)