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from AccessControl import Permissions as permissions
from Products.ZenModel.Location import Location
from copy import deepcopy

local_factory = deepcopy(Location.factory_type_information)[0]
tab = { 'id'  : 'tabl',
        'name' : 'Tab1',
        'action' : 'tab1',
        'permissions' : (permissions.view,)
      }

tab2 = { 'id'  : 'tab2',
        'name' : 'Tab2',
        'action' : 'tab2',
        'permissions' : (permissions.view,)
      }

local_factory['actions'] += (tab1, tab2)

Location.factory_type_information = (local_factory,)