A date converter function that can handle multiple date inputs types in the iso format and return a datetime.date object

date_converter.py

import string
import datetime as dt

def date_converter(date):
    """ converts multiple date formats into a datetime object """
    if isinstance(date, str):
        try:
            d = ""
            for char in date:
                if char in string.punctuation:
                    char = "-"
                d += char
            date = "-".join([str(int(i)) for i in d.split("-")])
            print(d)
            date_format = "%Y-%m-%d"
            return dt.datetime.strptime(date, date_format).date()
        except:
            raise TypeError("The string provided is not a valid date"
                            " - Use the YYYY-MM-DD format")
    elif isinstance(date, tuple):
        try:
            return dt.datetime(date).date()
        except:
            raise TypeError("The tuple provided is not a valid date"
                            " - Use the (YYYY, MM, DD) format")
    elif isinstance(date, dt.datetime):
        return date.date()
    elif isinstance(date, dt.date):
        return date
    else:
        raise TypeError("The date_converter function is not compatible"
                        " with this date type")

if __name__ == "__main__":
    today = dt.datetime.today()
    print(date_converter(today))