def login():
    """Does the login via OpenID.  Has to call into `oid.try_login`
    to start the OpenID machinery.
    """
    # if we are already logged in, go back to were we came from
    if g.user is not None:
        return redirect(oid.get_next_url())
    if request.method == 'POST':
        openid = request.form.get('openid')
        if openid:
            return oid.try_login(openid, ask_for=['email', 'fullname',
                                                  'nickname'])
    return render_template('login.html', next=oid.get_next_url(),
                           error=oid.fetch_error())
def login ( ) : if g . user is not None : return redirect ( oid . get_next_url ( ) ) if request . method == 'POST' : openid = request . form . get ( 'openid' ) if openid : return oid . try_login ( openid , ask_for = [ 'email' , 'fullname' , 'nickname' ] ) return render_template ( 'login.html' , next = oid . get_next_url ( ) , error = oid . fetch_error ( ) )
Does the login via OpenID.  Has to call into `oid.try_login`
    to start the OpenID machinery.