avoid an unexpected keyword argument

avoid_an_unexpected_keyword_argument.py

from inspect import signature
from typing import Callable
import datetime


def print_time(text="this is"):
    print(text, datetime.datetime.now())


def print_time_with_self(self, text="this is"):
    print(text, self)



def call_method_or_function(f: Callable):
    sig = signature(f)
    if "self" in sig.parameters:
        f(datetime.datetime.fromtimestamp(0))
    else:
        f()


if __name__ == "__main__":
    call_method_or_function(print_time)
    call_method_or_function(print_time_with_self)