represent is a lambda function binded to a Row object, look into row with shell it help to better understand.
Richard On Tue, Feb 14, 2012 at 4:07 PM, monotasker <[email protected]> wrote: > OK, I'm trying to create a generic controller function that will list the > rows in a table, representing each row using a flexible format that can be > user-defined (this is all for a plugin to provide a list-and-edit-records > widget). > > My testing model includes this table definition: > > db.define_table('npcs', > Field('name', 'string'), > Field('location', 'list:reference db.locations'), > Field('image', 'upload', uploadfolder = os.path.join(request.folder, > "static/images")), > Field('notes', 'text'), > format = '%(name)s') > db.npcs.id.represent = lambda id, row: row.name > db.npcs.location.requires = IS_IN_DB(db, 'locations.id', > db.locations._format, multiple = True) > db.npcs.location.widget = lambda field, value: AjaxSelect(field, value, > 'locations', multi = 'basic').widget() > > My controller then does a select() on the table and loops through the rows > (as rowlist): > > listset = [] > for r in rowlist: > listformat = r.id.represent > listset.append(listformat) > > At present this code generates an error saying that the int object "id" > doesn't have a property 'represent'. I've just re-read the book on the > represent property and it actually says very little about its > implementation. I also can't find any explanation of how to pass a row to > the _format property. So help with either/both would be much appreciated. > > Thanks, > > Ian >
