How to see function attributes?

Question

In Python functions (function objects) can have attributes.

For example:

def func(a):
    return a*a

func.attr = 1

Is there is a way to see this attribute and its value?

I have tried inspect.getfullargspec from inspect module but it shows only function arguments.

FullArgSpec(args=['a'], varargs=None, varkw=None, defaults=None, kwonlyargs=[], kwonlydefaults=None, annotations={})

`getfullargspec` is to get the *full* *arg*ument *spec*ification, the parameters the function expects. If you want to see *attributes*, try e.g. `dir`. — jonrsharpe, Dec 25 '20 at 13:02

score 2 · Accepted Answer · answered Dec 25 '20 at 13:03

2

Just like any other object, you can use vars:

def func(a):
    return a*a

func.attr = 1

print(vars(func))
# {'attr': 1}

answered Dec 25 '20 at 13:03

DeepSpace

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score 0 · Answer 2 · answered Dec 25 '20 at 13:36

Python vars() function can be used here to get the entire object

Code

def func(a):
    return a**3

func.function = "Cubic Function"
func.arguments = "Integers"

print(func(99))

print(vars(func))

print(vars(func)["function"])

print(vars(func)["arguments"])

OUTPUT

970299
{'function': 'Cubic Function', 'arguments': 'Integers'}
Cubic Function
Integers

How to see function attributes?

2 Answers2