Il 27/09/2017 22:05, Sayth Renshaw ha scritto:
Hi

I have got a successful script setup to rotate through dates and download json 
data from the url.

As the api returns 200 whether successful I want to check if the file returned 
is not successful.

when a file doesn't exist the api returns
{'RaceDay': None, 'ErrorInfo': {'SystemId': 200, 'ErrorNo': 55013, 
'DisplayMessage': 'File Not Found.', 'ContactSupport': False, 
'SupportErrorReference': '200-55013'}, 'Success': False}

    You got None on the member 'RaceDay' of the data, not on all the data. So you should check for something like:

    if data['RaceDay'] is None:
        # Missing data
        ....
    else:
        # ok, do what you need
        ...

When I call data = r.json() it says its type is None if it is not successful so 
I thought it easier to check that.

However checking for None does not work the flow in my if else falls straight 
to else.

for dates in fullUrl:
     r = requests.get(dates)
     data = r.json()
     if data is None:
         print("Nothing here")
     else:
         print(data["RaceDay"])

and I get output of

None
None
{'MeetingDate': '2017-01- ... and so on.

How can I actually get this to check?

If i use type(data) I also get None.

Cheers

Sayth


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