before  <Session {'_csrf_token': '8cba6f3d-95a3-45ac-a96e-1c8f18e09711', 'viewed': [8]}>
after  <Session {'_csrf_token': '8cba6f3d-95a3-45ac-a96e-1c8f18e09711', 'viewed': [8, 2]}>
127.0.0.1 - - [23/Feb/2011 12:59:48] "GET /entry/test/2/ HTTP/1.1" 200 -
before  <Session {'_csrf_token': '8cba6f3d-95a3-45ac-a96e-1c8f18e09711', 'viewed': [8]}>
after  <Session {'_csrf_token': '8cba6f3d-95a3-45ac-a96e-1c8f18e09711', 'viewed': [8, 3]}>
127.0.0.1 - - [23/Feb/2011 13:00:13] "GET /entry/test/3/ HTTP/1.1" 200 -
before  <Session {'_csrf_token': '8cba6f3d-95a3-45ac-a96e-1c8f18e09711', 'viewed': [8]}>
after  <Session {'_csrf_token': '8cba6f3d-95a3-45ac-a96e-1c8f18e09711', 'viewed': [8, 4]}>
127.0.0.1 - - [23/Feb/2011 13:00:16] "GET /entry/test/4/ HTTP/1.1" 200 -


@entryapp.route('/test/<int:id>/')
def test(id):
    print 'before ', session
    if id not in session['viewed']:
        session['viewed'].append(id)
    print 'after ', session

    return '%s' % str(session)