Tx, I tried Your proposal. Just as an example, it works: (ZnClient new
url: 'http://api.wunderground.com/api/APIKEY/hourly/q/germany/munich.json '; contentReader: [ :entity | (NeoJSONReader on: entity readStream) mapClass: NeoJSONObject; propertyNamesAsSymbols: true; next ]; get ) hourly_forecast collect: [:e | e FCTTIME hour_padded asInteger ] P.S.: Editor in Playground shows NeoJSONObject keys in red color? Am 24.04.2017 9:00 nachm. schrieb "Udo Schneider" < udo.schnei...@homeaddress.de>: > If you are using NeoJSON you might want to take a look at the > NeoJSONObject class. It's basically a Dictionary with "JavaScript" behavior. > I.e. you can simply use messages to access keys and non existing keys > return nil. Your example can thus be written as: > > val := dict1 key1 key2 key3. > > When using NeoJSON you can simply configure your Mapper (Reader/Writer) to > use NeoJSONObject using #mapClass: > > CU, > > Udo > > > On 24/04/2017 20:04, Markus Böhm wrote: > >> Tx for advice. >> >> P.S.: I got nested dictionaries after JSON API call at wunderground >> weather API. To see all the response in Pharo inspector "live" is really >> great :-) >> >> BR Mike >> >> >> On Mon, Apr 24, 2017 at 7:51 PM, Cyril Ferlicot D. < >> cyril.ferli...@gmail.com <mailto:cyril.ferli...@gmail.com>> wrote: >> >> Le 24/04/2017 à 19:42, Markus Böhm a écrit : >> > May I ask: >> > What's the idiomatic way to retrieve values from nested >> dictionaries? >> > >> > (((dict1 at: 'key1') at: 'key2') at: 'key3') >> > >> > Are all the brackets really necessary? >> > >> > BR Mike >> >> Hi, >> >> To know if brackets are necessary you can use the "Format" option in >> your method. >> >> Right click -> format >> >> or cmd/alt/ctrl + shift + f >> >> In this case you can just write: >> >> ((dict1 at: 'key1') at: 'key2') at: 'key3'. >> >> >> >> -- >> Cyril Ferlicot >> https://ferlicot.fr >> >> http://www.synectique.eu >> 2 rue Jacques Prévert 01, >> 59650 Villeneuve d'ascq France >> >> >> > > >
