Anthony, thank you. I get it now. I somehow thought these two are equivalent:
session[request.controller].something = 'foo' session[request.controller]['something'] = 'foo' Obviously they aren't. On Feb 10, 8:41 am, Anthony <[email protected]> wrote: > > # I think this should work: > > if 'column_select_value' in session[request.controller].keys(): > > column_select_value = > > session[request.controller].column_select_value > > > # But I get this: > > AttributeError: 'dict' object has no attribute 'column_select_value' > > In Python, you cannot access dict items that way -- it would have to be: > > session[request.controller]['column_select_value'] > > Or you could do: > from gluon.storage import Storage > session[request.controller] = Storage() > > Then you can use session[request.controller].column_select_value, and you > don't even have to test whether "column_select_value" is one of the keys -- > Storage objects simply return None when you try to access a key that > doesn't exist. > > Also, side note -- with a Python dict, instead of "if 'mykey' in > mydict.keys()" you can just do "if 'mykey' in mydict". > > Anthony
