def __init__(self, urlfunc=mod_urlfunc, entid='<STR_LIT>', *args, **kwargs):
try:<EOL><INDENT>getattr(self,"<STR_LIT>")<EOL><DEDENT>except AttributeError:<EOL><INDENT>MambuStruct.__init__(self, urlfunc, entid, *args, **kwargs)<EOL><DEDENT>
If you have already retrieved products, you don't contact
        Mambu. If you haven't, you do.