api.py 文件源码

def user_is_registered(self, user):
        """Checks whether a ?User? is registered in the database.

        Parameters
        ----------
        user
            Can be a Discord `User` object or `Member` object, or a user ID.
        """

        if isinstance(user, discord.User) or isinstance(user, discord.Member):
            try:
                get_user_model().objects.get(id=user.id)
                return True
            except get_user_model().DoesNotExist:
                return False
        else:
            try:
                get_user_model().objects.get(id=user)
                return True
            except get_user_model().DoesNotExist:
                return False