Is the goal to append fake (virtual) rows to the result of a select(...) Massimo
On Aug 20, 11:33 am, Carlos <carlosgali...@gmail.com> wrote: > Hi Massimo, > > So far this is great ! > > But, while we're on the lazy fields topic, can you implement the following > specialized VirtualCommand (maybe named Virtual*Row*Command)?: > > class VirtualRowCommand(object): > def __init__(self, method, row): > self.method = method > if len(row) != 1: > a + b # raise an error. > self.row = *row.values()[0]* > def __call__(self, *args, **kwargs): > return self.method(self.row, *args, **kwargs) > > In my case, all my rows are a single item (whith is the table name), so it > would be much better and simpler to use 'self' for the direct row (see > "row.values()[0]" above). > > This way I can use virtual fields as follow: > > class VirtualTest(object): > def x_id(vv, self): > return *self*.id > > Note that 'vv' (or any other name) is the VirtualTest instance (which I > don't really care about), and 'self' is the actual specific row. > > Can you please consider this approach or something similar that accomplishes > the same thing?. > > Thanks!, > > Carlos