marcocamma

from inspect import signature

def auto_args(f):
    sig = signature(f)  # Get a signature object for the target:
    def replacement(self, *args, **kwargs):
        # Parse the provided arguments using the target's signature:
        bound_args = sig.bind(self, *args, **kwargs)
        # add defaults otherwise defaults are unbonund, thus not in the list
        bound_args.apply_defaults();
        # Save away the arguments on `self`: