I am writing some tests to evaluate a rest service my response is
[ { "Title_Id": 1, "Title": "Mr", "TitleDescription": "Mr", "TitleGender": "Male", "Update_Date": "2012-07-21T18:43:04" }, { "Title_Id": 2, "Title": "Mrs", "TitleDescription": "Mrs", "TitleGender": "Female", "Update_Date": "2012-07-21T18:42:59" }, { "Title_Id": 3, "Title": "Sir", "TitleDescription": "Sir", "TitleGender": "Male", "Update_Date": null } ]
and need to create multiple instance of the class
class TitleInfo:
def __init__(self, Title_Id, Title, TitleDescription, TitleGender, Update_Date ):
self.Title_Id = Title_Id
self.Title = Title
self.TitleDescription = TitleDescription
self.TitleGender = TitleGender
self.Update_Date = Update_Date
what I have done is
def GetTitle(self):
try:
response = *#......"The string shown above"*
if isinstance(response, str) :
Records = json.loads(response)
RecTitles = []
for num in range(0, len(Records)):
RecTitle =TitleInfo(Records[num]['Title_Id'],Records[num]['Title'],Records[num]['TitleDescription'],Records[num]['TitleGender'],Records[num]['Update_Date'])
RecTitles.append(RecTitle)
This is working fine ....I need to know is there more short and sweet way to do that?
You could just unpack each dict and give that as an argument to TitleInfo:
RecTitles = [TitleInfo(**x) for x in json.loads(response)]
Here's the explanation from Python tutorial:
In the same fashion, dictionaries can deliver keyword arguments with the **-operator:
>>> def parrot(voltage, state='a stiff', action='voom'):
... print("-- This parrot wouldn't", action, end=' ')
... print("if you put", voltage, "volts through it.", end=' ')
... print("E's", state, "!")
...
>>> d = {"voltage": "four million", "state": "bleedin' demised", "action": "VOOM"}
>>> parrot(**d)
-- This parrot wouldn't VOOM if you put four million volts through it. E's bleedin' demised !
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