Import static method of a class without importing the whole class [duplicate]

Question

i want to import some function in a class without needing to import the whole class.

I have some class as follows

MyClassFile.py

class MyClass: def __init__(self): pass #Some init stuff def some_funcs(self): pass #Some other funcs @staticmethod def desired_func(): pass #The func i want to import

MyScript.py

from MyClassFile import MyClass.desired_func

or

from MyClassFile.MyClass import desired_func

I tried to import that way but isn't work, is there any way to do it?

Hi Ivan, what's your reason for not wanting to import the class? — David Z
– David Z, Commented Jan 9, 2018 at 23:14
There is no way to do it in one import statement. When would that be useful? If it's a static method, make it a standalone function. — vaultah
– vaultah, Commented Jan 9, 2018 at 23:14
@Miket25 That doesn't seem to be asking the same question. This is asking about using import to access attributes of a class, which is not a factor in the question you linked. — David Z
– David Z, Commented Jan 9, 2018 at 23:19
@DavidZ The question asks how do you import some function of a class and have its use available in another file. The question I linked with the accepted answer points to that it's not possible to link attributes of a class, being the methods. Can you please explain what's different; I'm not sure if I get your difference? — Miket25
– Miket25, Commented Jan 9, 2018 at 23:23

2 revs · Accepted Answer · 2018-01-09 23:39:00Z

To play devil's advocate:

# MyScript.py desired_func = __import__('MyClassFile').MyClass.desired_func

On a more serious note, it sounds like your staticmethod should actually just be a module level function. Python is not Java.

If you insist on having a staticmethod, pick one of the options below:

Import the class as usual and then bind a local function: f = MyClass.desired_func
In MyClassFile.py, after the class definition block, alias a module-level function to the staticmethod and then import that name directly.

Awesome, this works. I will search more about module level function, thank you
@IvanGonzalez While it works, this backdoor use of __import__ should be discouraged.

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Import static method of a class without importing the whole class [duplicate]

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