[Python] Check if request.json() is NoneType

I am making API Calls and expect to get some null responses or NoneTypes. However I am trying to handle them gracefully.

This is the default behavior:


res = req.json()
res.get("key", {}).get("key")

AttributeError: 'NoneType' object has no attribute 'get'


Below are the ways I've tried to catch it, but didn't work:

if res is None or isinstance(res, type(None)) or len(res) == 0


The NoneType errors in question have len(req.text) = 16 ?
Vs +1k for the not NoneType errors.

Currently catching them this way:

if len(req.text) < 100: # Empty JSON Object
return None


But I am pretty sure this isn't the best practice.
Can someone help resolve this issue ?

UPDATE


print(type(res))
<class 'dict'>

print(res)
{'key': None}


SOLUTION

if res.get("key") is None:
return None


Should have inspected further.

MEA CULPA

I am realizing that the AttributeError was about the second .get("key") and not the former .get("key", {}) while I didn't include it (the 2nd get) in my original, unedited, post.

The type of res.get("key", {}) is None

Sorry & Thanks to all !

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