On Wed, Oct 1, 2014 at 5:58 AM, <c...@isbd.net> wrote: > I have a dictionary as follows:- > > { > u'StarterAmps1': Row(id=4, ain=u'AIN3', name=u'StarterAmps1', > conv=6834.374834509803, Description=u'Starter Amps'), > u'LeisureVolts': Row(id=1, ain=u'AIN0', name=u'LeisureVolts', > conv=29.01374215995874, Description=u'Leisure Volts'), > u'RudderPos': Row(id=6, ain=u'AIN5', name=u'RudderPos', conv=0.028125, > Description=u'Rudder Position'), > u'xx': Row(id=7, ain=u'AIN6', name=u'xx', conv=0.028125, Description=u''), > u'LeisureAmps1': Row(id=3, ain=u'AIN2', name=u'LeisureAmps1', > conv=32.727273081945, Description=u'Leisure Amps'), > u'StarterVolts': Row(id=2, ain=u'AIN1', name=u'StarterVolts', > conv=28.94469628911757, Description=u'Starter Volts') > }
Is Row a function? Or do you have a key with a tuple as the value? > > I want to output a menu to a user comprising some parts of the > dictionary (ain and Description) sorted by ain. > > Is there some incantation of sorted() that will do what I want? I > can't quite fathom out the 'key=' parameter needed to sort it by the > tuple item. Maybe I need a cmp= ? > > E.g. I want to do something like:- > > for meas in sorted(adc.cfg, key=???): > print(adc.cfg[meas].ain, adc.cfg[meas].Description) > > What's needed in the ??? > > -- > Chris Green > ยท You might read here: http://www.pythoncentral.io/how-to-sort-python-dictionaries-by-key-or-value/ > -- > https://mail.python.org/mailman/listinfo/python-list -- Joel Goldstick http://joelgoldstick.com -- https://mail.python.org/mailman/listinfo/python-list