objectify.py

from functools import wraps

def objectify(func):
    expected_prefixes = ("with", "for", "and", "or")
    @wraps(func)
    def objectified_func(*args, **kwargs):
        real_kwargs = {}
        for k, v in kwargs.items():
            try:
                if k[0:k.index("_")] in expected_prefixes:
                    k = k[k.index("_")+1:]
            except ValueError, e:
                print "error: %s" % e
            real_kwargs[k] = v
        return func(*args, **real_kwargs)
    return objectified_func

@objectify
def print_name(user):
    print "name is %s" % user

print_name(for_user="Travis Swicegood")