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from StringIO import StringIOfrom Products.CMFCore.utils import getToolByNamefrom Products.Archetypes import listTypesfrom Products.Archetypes.Extensions.utils import installTypes, install_subskinfrom Products.Escola.config import GLOBALS, PROJECTNAME def install(self):    out = StringIO()        print >> out, "Installing Escola"        # Install types    classes = listTypes(PROJECTNAME)    installTypes(self, out,                 classes,                 PROJECTNAME)    print >> out, "Installed types"        # Install skin    install_subskin(self, out, GLOBALS)    print >> out, "Installed subskin"        # Register types with portal_factory    factory = getToolByName(self, 'portal_factory')    types = factory.getFactoryTypes().keys()    if 'Escola' not in types:         types.append('Escola')         factory.manage_setPortalFactoryTypes(listOfTypeIds = types)        print >> out, "Added Escola to portal_factory"        return out.getvalue()