Some dumb thing

foo.py

class Something:
    def __init__(*args, **kwargs):
        pass

def foo(a=None, b=None, c=None, d=100):
    # We can't add *args and Something specific **kwargs to above signature 
    # since *args need to come before **kwargs
    something = Something()
    
#

def _foo_helper(a, b, c, d, *args, **kwargs):
    something = Something(*args, **kwargs)

def foo2(*args, **kwargs):
    
    a, b, c, d = kwargs.pop('a', None), kwargs.pop('b', None), kwargs.pop('c', None) kwargs.pop('d', 100)
    _foo_helper(a, b, c, d, *args, **kwargs)