Easy way to get a list of tuples.

[Mark Lawrence]

On 21/09/2017 11:18, Sayth Renshaw wrote:
> Hi
> 
> I have been toying with json and I particular area where I cannot get the desired result a list of tuples as my return. The json from the API is way to long but I don't think it will matter.
> 
> .. hitting url
> data = r.json()
> 
> for item in data["RaceDay"]['Meetings'][0]['Races']:
>      raceDetails = item['RacingFormGuide']['Event']['Race']
>      print(raceDetails)
> 
> This returns
> 
> {'Number': 1, 'NumberDisplay': '01', 'Distance': 1000, 'DistanceDisplay': '1000 METRES', 'Name': 'CLASS 3 HANDICAP', 'NameForm': 'HIGHWAY-C3'}
> {'Number': 2, 'NumberDisplay': '02', 'Distance': 1600, 'DistanceDisplay': '1600 METRES', 'Name': 'BM 90 HANDICAP', 'NameForm': 'BM90'}
> {'Number': 3, 'NumberDisplay': '03', 'Distance': 1100, 'DistanceDisplay': '1100 METRES', 'Name': 'HERITAGE STAKES', 'NameForm': 'HERITAGE'}
> {'Number': 4, 'NumberDisplay': '04', 'Distance': 1400, 'DistanceDisplay': '1400 METRES', 'Name': 'BILL RITCHIE HANDICAP', 'NameForm': 'RITCHIE'}
> {'Number': 5, 'NumberDisplay': '05', 'Distance': 1400, 'DistanceDisplay': '1400 METRES', 'Name': 'TEA ROSE STAKES', 'NameForm': 'TEA ROSE'}
> {'Number': 6, 'NumberDisplay': '06', 'Distance': 1600, 'DistanceDisplay': '1600 METRES', 'Name': 'GEORGE MAIN STAKES', 'NameForm': 'GEO MAIN'}
> {'Number': 7, 'NumberDisplay': '07', 'Distance': 1100, 'DistanceDisplay': '1100 METRES', 'Name': 'THE SHORTS', 'NameForm': 'THE SHORTS'}
> {'Number': 8, 'NumberDisplay': '08', 'Distance': 2000, 'DistanceDisplay': '2000 METRES', 'Name': 'KINGTON TOWN STAKES', 'NameForm': 'KING TOWN'}
> {'Number': 9, 'NumberDisplay': '09', 'Distance': 1200, 'DistanceDisplay': '1200 METRES', 'Name': 'BM 84 HANDICAP', 'NameForm': 'BM84'}
> 
> My goal is to select a few elements and create a list of 3 element tuples
> like this
> [('CLASS 3 HANDICAP', 1, 1000), ('BM 90 HANDICAP', 2, 1600), ('HERITAGE STAKES', 3, 1100), ('BILL RITCHIE HANDICAP', 4, 1400), ('TEA ROSE STAKES', 5, 1400), ('GEORGE MAIN STAKES', 6, 1600), ('THE SHORTS', 7, 1100), ('KINGTON TOWN STAKES', 8, 2000), ('BM 84 HANDICAP', 9, 1200)]
> 
> I get close creating a list of elements but each attempt I try to create the list of tuples fails.
> 
> This is my closest code
> 
> data = r.json()
> 
> raceData = []
> 
> for item in data["RaceDay"]['Meetings'][0]['Races']:
>      raceDetails = item['RacingFormGuide']['Event']['Race']
>      raceData += (raceDetails['Name'],raceDetails['Number'],raceDetails['Distance'])
> 
> print(raceDetails)
> 
> which returns
> 
> ['CLASS 3 HANDICAP', 1, 1000, 'BM 90 HANDICAP', 2, 1600, 'HERITAGE STAKES', 3, 1100, 'BILL RITCHIE HANDICAP', 4, 1400, 'TEA ROSE STAKES', 5, 1400, 'GEORGE MAIN STAKES', 6, 1600, 'THE SHORTS', 7, 1100, 'KINGTON TOWN STAKES', 8, 2000, 'BM 84 HANDICAP', 9, 1200]
> 
> How do I get the tuples?
> 
> Cheers
> 
> Sayth
> 
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> 

After a quick glance and hence completely untested:-

raceData.append((raceDetails['Name'],raceDetails['Number'],raceDetails['Distance']))

-- 
My fellow Pythonistas, ask not what our language can do for you, ask
what you can do for our language.

Mark Lawrence