As you can sort by multiple fields, it should be .sort([(fieldname, order)]) you miss a [ ]
On Mon, Oct 17, 2016 at 6:32 PM, Ferdinand Holzner < [email protected]> wrote: > Hi, > > i'm trying to figure out how to implement sorting into the DataGrid using > MongoDB with ming. > > Basically i took the example in the DataGrid documentation and tried to > change it for Ming. > > ordering = kw.get('ordercol') > > if ordering and ordering[0] == '+': > places = places.sort(ordering[1:], ming.DESCENDING) # Descending > > elif ordering and ordering[0] == '-': > places = places.sort(ordering[1:], ming.ASCENDING) # Ascending > > But for some reason it doesn't work. It crashes with the following error > message: > > TypeError: must use keyword argument for key function > > > > I also tried to enter the keyword instead of "ordering[1:]", but i get the > same error. Any idea what's wrong? > > -- > You received this message because you are subscribed to the Google Groups > "TurboGears" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at https://groups.google.com/group/turbogears. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "TurboGears" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/turbogears. For more options, visit https://groups.google.com/d/optout.
