__init__.py 文件源码

def _load_user(token) -> typing.Union[UserClass, AnonymousUser]:
    """Loads a user by their token.

    :returns: returns a UserClass instance if logged in, or an AnonymousUser() if not.
    """

    from ..api.utils import authentication

    if not token:
        return AnonymousUser()

    db_user = authentication.validate_this_token(token)
    if not db_user:
        # There is a token, but it's not valid. We should reset the user's session.
        session.clear()
        return AnonymousUser()

    user = UserClass.construct(token, db_user)

    return user